Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 14518:d8041d695d19
Merged with jdk9/dev/hotspot changeset 3812c088b945
| author | twisti |
|---|---|
| date | Tue, 11 Mar 2014 18:45:59 -0700 |
| parents | b1838411e896 7f0e0366ec81 |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
| 0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 0 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
| 6162 | 28 #include "classfile/altHashing.hpp" |
| 1972 | 29 #include "classfile/classLoader.hpp" |
| 30 #include "classfile/javaClasses.hpp" | |
| 31 #include "classfile/symbolTable.hpp" | |
| 32 #include "classfile/systemDictionary.hpp" | |
| 33 #include "classfile/vmSymbols.hpp" | |
| 34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #ifdef GRAAL |
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37 #include "graal/graalCompiler.hpp" |
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38 #endif |
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39 #if INCLUDE_ALL_GCS |
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40 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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41 #endif // INCLUDE_ALL_GCS |
| 6197 | 42 #include "memory/allocation.hpp" |
| 1972 | 43 #include "memory/allocation.inline.hpp" |
| 44 #include "memory/gcLocker.inline.hpp" | |
| 45 #include "memory/oopFactory.hpp" | |
| 46 #include "memory/universe.inline.hpp" | |
| 47 #include "oops/instanceKlass.hpp" | |
| 48 #include "oops/instanceOop.hpp" | |
| 49 #include "oops/markOop.hpp" | |
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50 #include "oops/method.hpp" |
| 1972 | 51 #include "oops/objArrayKlass.hpp" |
| 52 #include "oops/objArrayOop.hpp" | |
| 53 #include "oops/oop.inline.hpp" | |
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54 #include "oops/symbol.hpp" |
| 1972 | 55 #include "oops/typeArrayKlass.hpp" |
| 56 #include "oops/typeArrayOop.hpp" | |
| 57 #include "prims/jni.h" | |
| 58 #include "prims/jniCheck.hpp" | |
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59 #include "prims/jniExport.hpp" |
| 1972 | 60 #include "prims/jniFastGetField.hpp" |
| 61 #include "prims/jvm.h" | |
| 62 #include "prims/jvm_misc.hpp" | |
| 63 #include "prims/jvmtiExport.hpp" | |
| 64 #include "prims/jvmtiThreadState.hpp" | |
| 65 #include "runtime/compilationPolicy.hpp" | |
| 66 #include "runtime/fieldDescriptor.hpp" | |
| 67 #include "runtime/fprofiler.hpp" | |
| 68 #include "runtime/handles.inline.hpp" | |
| 69 #include "runtime/interfaceSupport.hpp" | |
| 70 #include "runtime/java.hpp" | |
| 71 #include "runtime/javaCalls.hpp" | |
| 72 #include "runtime/jfieldIDWorkaround.hpp" | |
| 73 #include "runtime/reflection.hpp" | |
| 74 #include "runtime/sharedRuntime.hpp" | |
| 75 #include "runtime/signature.hpp" | |
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76 #include "runtime/thread.inline.hpp" |
| 1972 | 77 #include "runtime/vm_operations.hpp" |
| 78 #include "services/runtimeService.hpp" | |
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79 #include "trace/tracing.hpp" |
| 1972 | 80 #include "utilities/defaultStream.hpp" |
| 81 #include "utilities/dtrace.hpp" | |
| 82 #include "utilities/events.hpp" | |
| 83 #include "utilities/histogram.hpp" | |
| 84 #ifdef TARGET_OS_FAMILY_linux | |
| 85 # include "os_linux.inline.hpp" | |
| 86 #endif | |
| 87 #ifdef TARGET_OS_FAMILY_solaris | |
| 88 # include "os_solaris.inline.hpp" | |
| 89 #endif | |
| 90 #ifdef TARGET_OS_FAMILY_windows | |
| 91 # include "os_windows.inline.hpp" | |
| 92 #endif | |
| 3960 | 93 #ifdef TARGET_OS_FAMILY_bsd |
| 94 # include "os_bsd.inline.hpp" | |
| 95 #endif | |
| 0 | 96 |
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97 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 98 |
| 99 | |
| 100 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 101 // '-return' probe regardless of the return path is taken out of the function. | |
| 102 // Methods that have multiple return paths use this to avoid having to | |
| 103 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 104 // since those macros can cause an immedate uninstrumented return. | |
| 105 // | |
| 106 // In order to get the return value, a reference to the variable containing | |
| 107 // the return value must be passed to the contructor of the object, and | |
| 108 // the return value must be set before return (since the mark object has | |
| 109 // a reference to it). | |
| 110 // | |
| 111 // Example: | |
| 112 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 113 // JNI_ENTRY(int, SomeFunc, ...) | |
| 114 // int return_value = 0; | |
| 115 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 116 // foo(CHECK_0) | |
| 117 // return_value = 5; | |
| 118 // return return_value; | |
| 119 // JNI_END | |
| 4006 | 120 #define DT_RETURN_MARK_DECL(name, type, probe) \ |
| 121 DTRACE_ONLY( \ | |
| 122 class DTraceReturnProbeMark_##name { \ | |
| 123 public: \ | |
| 124 const type& _ret_ref; \ | |
| 125 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 126 ~DTraceReturnProbeMark_##name() { \ | |
| 127 probe; \ | |
| 128 } \ | |
| 129 } \ | |
| 130 ) | |
| 131 // Void functions are simpler since there's no return value | |
| 132 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 133 DTRACE_ONLY( \ | |
| 134 class DTraceReturnProbeMark_##name { \ | |
| 135 public: \ | |
| 136 ~DTraceReturnProbeMark_##name() { \ | |
| 137 probe; \ | |
| 138 } \ | |
| 139 } \ | |
| 140 ) | |
| 0 | 141 |
| 142 // Place these macros in the function to mark the return. Non-void | |
| 143 // functions need the type and address of the return value. | |
| 144 #define DT_RETURN_MARK(name, type, ref) \ | |
| 145 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 146 #define DT_VOID_RETURN_MARK(name) \ | |
| 147 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 148 | |
| 149 | |
| 150 // Use these to select distinct code for floating-point vs. non-floating point | |
| 151 // situations. Used from within common macros where we need slightly | |
| 152 // different behavior for Float/Double | |
| 153 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 154 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 155 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 156 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 157 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 158 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 159 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 160 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 161 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 162 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 163 FP_SELECT_##TypeName(intcode, fpcode) | |
| 164 | |
| 165 #define COMMA , | |
| 166 | |
| 167 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 168 // (dtrace doesn't do FP yet) | |
| 4006 | 169 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ |
| 170 FP_SELECT(TypeName, \ | |
| 171 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 0 | 172 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 173 FP_SELECT(TypeName, \ | |
| 174 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 175 | |
| 176 | |
| 177 // out-of-line helpers for class jfieldIDWorkaround: | |
| 178 | |
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179 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 180 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 181 uintptr_t as_uint = (uintptr_t) id; | |
| 182 intptr_t offset = raw_instance_offset(id); | |
| 183 if (is_checked_jfieldID(id)) { | |
| 184 if (!klass_hash_ok(k, id)) { | |
| 185 return false; | |
| 186 } | |
| 187 } | |
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188 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 189 } else { |
| 190 JNIid* result = (JNIid*) id; | |
| 191 #ifdef ASSERT | |
| 192 return result != NULL && result->is_static_field_id(); | |
| 193 #else | |
| 194 return result != NULL; | |
| 195 #endif | |
| 196 } | |
| 197 } | |
| 198 | |
| 199 | |
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200 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 201 if (offset <= small_offset_mask) { |
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202 Klass* field_klass = k; |
| 6983 | 203 Klass* super_klass = field_klass->super(); |
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204 // With compressed oops the most super class with nonstatic fields would |
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205 // be the owner of fields embedded in the header. |
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206 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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207 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 208 field_klass = super_klass; // super contains the field also |
| 6983 | 209 super_klass = field_klass->super(); |
| 0 | 210 } |
| 211 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 212 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 213 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 214 } else { | |
| 215 #if 0 | |
| 216 #ifndef PRODUCT | |
| 217 { | |
| 218 ResourceMark rm; | |
| 6983 | 219 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 220 } |
| 221 #endif | |
| 222 #endif | |
| 223 return 0; | |
| 224 } | |
| 225 } | |
| 226 | |
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227 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 228 uintptr_t as_uint = (uintptr_t) id; |
| 229 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 230 do { | |
| 231 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 232 // Could use a non-blocking query for identity_hash here... | |
| 233 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 234 return true; | |
| 6983 | 235 k = k->super(); |
| 0 | 236 } while (k != NULL); |
| 237 return false; | |
| 238 } | |
| 239 | |
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240 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 241 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 242 uintptr_t as_uint = (uintptr_t) id; | |
| 243 intptr_t offset = raw_instance_offset(id); | |
| 244 if (VerifyJNIFields) { | |
| 245 if (is_checked_jfieldID(id)) { | |
| 246 guarantee(klass_hash_ok(k, id), | |
| 247 "Bug in native code: jfieldID class must match object"); | |
| 248 } else { | |
| 249 #if 0 | |
| 250 #ifndef PRODUCT | |
| 251 if (Verbose) { | |
| 252 ResourceMark rm; | |
| 6983 | 253 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 254 } |
| 255 #endif | |
| 256 #endif | |
| 257 } | |
| 258 } | |
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259 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 260 "Bug in native code: jfieldID offset must address interior of object"); |
| 261 } | |
| 262 | |
| 263 // Pick a reasonable higher bound for local capacity requested | |
| 264 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 265 // high because a test (or very unusual application) may try to allocate | |
| 266 // that many handles and run out of swap space. An implementation is | |
| 267 // permitted to allocate more handles than the ensured capacity, so this | |
| 268 // value is set high enough to prevent compatibility problems. | |
| 269 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 270 | |
| 271 | |
| 272 // Wrapper to trace JNI functions | |
| 273 | |
| 274 #ifdef ASSERT | |
| 275 Histogram* JNIHistogram; | |
| 276 static volatile jint JNIHistogram_lock = 0; | |
| 277 | |
| 278 class JNITraceWrapper : public StackObj { | |
| 279 public: | |
| 280 JNITraceWrapper(const char* format, ...) { | |
| 281 if (TraceJNICalls) { | |
| 282 va_list ap; | |
| 283 va_start(ap, format); | |
| 284 tty->print("JNI "); | |
| 285 tty->vprint_cr(format, ap); | |
| 286 va_end(ap); | |
| 287 } | |
| 288 } | |
| 289 }; | |
| 290 | |
| 291 class JNIHistogramElement : public HistogramElement { | |
| 292 public: | |
| 293 JNIHistogramElement(const char* name); | |
| 294 }; | |
| 295 | |
| 296 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 297 _name = elementName; | |
| 298 uintx count = 0; | |
| 299 | |
| 300 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 301 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 302 count +=1; | |
| 303 if ( (WarnOnStalledSpinLock > 0) | |
| 304 && (count % WarnOnStalledSpinLock == 0)) { | |
| 305 warning("JNIHistogram_lock seems to be stalled"); | |
| 306 } | |
| 307 } | |
| 308 } | |
| 309 | |
| 310 | |
| 311 if(JNIHistogram == NULL) | |
| 312 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 313 | |
| 314 JNIHistogram->add_element(this); | |
| 315 Atomic::dec(&JNIHistogram_lock); | |
| 316 } | |
| 317 | |
| 318 #define JNICountWrapper(arg) \ | |
| 319 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 320 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 321 if (e != NULL) e->increment_count() | |
| 322 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 323 #else | |
| 324 #define JNIWrapper(arg) | |
| 325 #endif | |
| 326 | |
| 327 | |
| 328 // Implementation of JNI entries | |
| 329 | |
| 4006 | 330 DT_RETURN_MARK_DECL(DefineClass, jclass |
| 331 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 0 | 332 |
| 333 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 334 const jbyte *buf, jsize bufLen)) | |
| 335 JNIWrapper("DefineClass"); | |
| 336 | |
| 4006 | 337 HOTSPOT_JNI_DEFINECLASS_ENTRY( |
| 338 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 14380 | 339 |
| 0 | 340 jclass cls = NULL; |
| 341 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 342 | |
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343 TempNewSymbol class_name = NULL; |
| 0 | 344 // Since exceptions can be thrown, class initialization can take place |
| 345 // if name is NULL no check for class name in .class stream has to be made. | |
| 346 if (name != NULL) { | |
| 347 const int str_len = (int)strlen(name); | |
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348 if (str_len > Symbol::max_length()) { |
| 0 | 349 // It's impossible to create this class; the name cannot fit |
| 350 // into the constant pool. | |
| 351 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 352 } | |
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353 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 354 } |
| 355 ResourceMark rm(THREAD); | |
| 356 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 357 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 358 | |
| 359 if (UsePerfData && !class_loader.is_null()) { | |
| 360 // check whether the current caller thread holds the lock or not. | |
| 361 // If not, increment the corresponding counter | |
| 362 if (ObjectSynchronizer:: | |
| 363 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 364 ObjectSynchronizer::owner_self) { | |
| 365 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 366 } | |
| 367 } | |
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368 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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369 Handle(), &st, true, |
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370 CHECK_NULL); |
| 0 | 371 |
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372 if (TraceClassResolution && k != NULL) { |
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373 trace_class_resolution(k); |
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374 } |
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375 |
| 0 | 376 cls = (jclass)JNIHandles::make_local( |
| 6983 | 377 env, k->java_mirror()); |
| 0 | 378 return cls; |
| 379 JNI_END | |
| 380 | |
| 381 | |
| 382 | |
| 383 static bool first_time_FindClass = true; | |
| 384 | |
| 4006 | 385 DT_RETURN_MARK_DECL(FindClass, jclass |
| 386 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 0 | 387 |
| 388 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 389 JNIWrapper("FindClass"); | |
| 14380 | 390 |
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391 HOTSPOT_JNI_FINDCLASS_ENTRY(env, (char *)name); |
| 0 | 392 |
| 393 jclass result = NULL; | |
| 394 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 395 | |
| 396 // Remember if we are the first invocation of jni_FindClass | |
| 397 bool first_time = first_time_FindClass; | |
| 398 first_time_FindClass = false; | |
| 399 | |
| 400 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 401 // name we can fit in the constant pool. | |
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402 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 403 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 404 } | |
| 405 | |
| 406 //%note jni_3 | |
| 407 Handle loader; | |
| 408 Handle protection_domain; | |
| 409 // Find calling class | |
| 410 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 411 if (k.not_null()) { | |
| 412 loader = Handle(THREAD, k->class_loader()); | |
| 413 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 414 // in the correct class context. | |
| 415 if (loader.is_null() && | |
| 416 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 417 JavaValue result(T_OBJECT); | |
| 418 JavaCalls::call_static(&result, k, | |
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419 vmSymbols::getFromClass_name(), |
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420 vmSymbols::void_class_signature(), |
| 0 | 421 thread); |
| 422 if (HAS_PENDING_EXCEPTION) { | |
| 423 Handle ex(thread, thread->pending_exception()); | |
| 424 CLEAR_PENDING_EXCEPTION; | |
| 425 THROW_HANDLE_0(ex); | |
| 426 } | |
| 427 oop mirror = (oop) result.get_jobject(); | |
| 428 loader = Handle(THREAD, | |
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429 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 430 protection_domain = Handle(THREAD, |
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431 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 432 } |
| 433 } else { | |
| 434 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 435 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 436 } | |
| 437 | |
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438 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 439 result = find_class_from_class_loader(env, sym, true, loader, |
| 440 protection_domain, true, thread); | |
| 441 | |
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442 if (TraceClassResolution && result != NULL) { |
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443 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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444 } |
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445 |
| 0 | 446 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 447 // rather than just allowing invocation counter to overflow and decay. | |
| 448 // Controlled by flag DelayCompilationDuringStartup. | |
| 449 if (first_time && !CompileTheWorld) | |
| 450 CompilationPolicy::completed_vm_startup(); | |
| 451 | |
| 452 return result; | |
| 453 JNI_END | |
| 454 | |
| 4006 | 455 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID |
| 456 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 0 | 457 |
| 458 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 459 JNIWrapper("FromReflectedMethod"); | |
| 14380 | 460 |
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461 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY(env, method); |
| 14380 | 462 |
| 0 | 463 jmethodID ret = NULL; |
| 464 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 465 | |
| 466 // method is a handle to a java.lang.reflect.Method object | |
| 467 oop reflected = JNIHandles::resolve_non_null(method); | |
| 468 oop mirror = NULL; | |
| 469 int slot = 0; | |
| 470 | |
| 1142 | 471 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 472 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 473 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 474 } else { | |
| 1142 | 475 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 476 mirror = java_lang_reflect_Method::clazz(reflected); |
| 477 slot = java_lang_reflect_Method::slot(reflected); | |
| 478 } | |
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479 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 480 |
| 481 KlassHandle k1(THREAD, k); | |
| 482 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 483 k1()->initialize(CHECK_NULL); |
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484 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 485 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 486 return ret; | |
| 487 JNI_END | |
| 488 | |
| 4006 | 489 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID |
| 490 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 0 | 491 |
| 492 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 493 JNIWrapper("FromReflectedField"); | |
| 14380 | 494 |
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495 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY(env, field); |
| 14380 | 496 |
| 0 | 497 jfieldID ret = NULL; |
| 498 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 499 | |
| 500 // field is a handle to a java.lang.reflect.Field object | |
| 501 oop reflected = JNIHandles::resolve_non_null(field); | |
| 502 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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503 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 504 int slot = java_lang_reflect_Field::slot(reflected); |
| 505 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 506 | |
| 507 KlassHandle k1(THREAD, k); | |
| 508 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 509 k1()->initialize(CHECK_NULL); |
| 0 | 510 |
| 511 // First check if this is a static field | |
| 512 if (modifiers & JVM_ACC_STATIC) { | |
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513 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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514 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 515 assert(id != NULL, "corrupt Field object"); |
| 516 debug_only(id->set_is_static_field_id();) | |
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517 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 518 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 519 return ret; | |
| 520 } | |
| 521 | |
| 522 // The slot is the index of the field description in the field-array | |
| 523 // The jfieldID is the offset of the field within the object | |
| 524 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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525 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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526 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 527 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 528 return ret; | |
| 529 JNI_END | |
| 530 | |
| 14380 | 531 |
| 4006 | 532 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject |
| 533 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 0 | 534 |
| 535 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 536 JNIWrapper("ToReflectedMethod"); | |
| 14380 | 537 |
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538 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY(env, cls, (uintptr_t) method_id, isStatic); |
| 14380 | 539 |
| 0 | 540 jobject ret = NULL; |
| 541 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 542 | |
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543 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 544 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 545 oop reflection_method; | |
| 546 if (m->is_initializer()) { | |
| 547 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 548 } else { | |
| 549 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 550 } | |
| 551 ret = JNIHandles::make_local(env, reflection_method); | |
| 552 return ret; | |
| 553 JNI_END | |
| 554 | |
| 4006 | 555 DT_RETURN_MARK_DECL(GetSuperclass, jclass |
| 556 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 0 | 557 |
| 558 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 559 JNIWrapper("GetSuperclass"); | |
| 14380 | 560 |
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561 HOTSPOT_JNI_GETSUPERCLASS_ENTRY(env, sub); |
| 14380 | 562 |
| 0 | 563 jclass obj = NULL; |
| 564 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 565 | |
| 566 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 567 // primitive classes return NULL | |
| 568 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 569 | |
| 570 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 571 // arrays return Object | |
| 572 // interfaces return NULL | |
| 573 // proper classes return Klass::super() | |
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574 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 575 if (k->is_interface()) return NULL; |
| 0 | 576 |
| 577 // return mirror for superclass | |
| 6983 | 578 Klass* super = k->java_super(); |
| 0 | 579 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 580 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 581 ? SystemDictionary::Object_klass() |
| 6983 | 582 : k->super() ) ); |
| 0 | 583 assert(super == super2, |
| 584 "java_super computation depends on interface, array, other super"); | |
| 6983 | 585 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 586 return obj; |
| 587 JNI_END | |
| 588 | |
| 589 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 590 JNIWrapper("IsSubclassOf"); | |
| 14380 | 591 |
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592 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY(env, sub, super); |
| 14380 | 593 |
| 0 | 594 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 595 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 596 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 597 java_lang_Class::is_primitive(super_mirror)) { | |
| 598 jboolean ret = (sub_mirror == super_mirror); | |
| 14380 | 599 |
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600 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret); |
| 0 | 601 return ret; |
| 602 } | |
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603 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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604 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 605 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 606 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 607 JNI_TRUE : JNI_FALSE; |
| 14380 | 608 |
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609 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret); |
| 0 | 610 return ret; |
| 611 JNI_END | |
| 612 | |
| 14380 | 613 |
| 4006 | 614 DT_RETURN_MARK_DECL(Throw, jint |
| 615 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 0 | 616 |
| 617 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 618 JNIWrapper("Throw"); | |
| 14380 | 619 |
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620 HOTSPOT_JNI_THROW_ENTRY(env, obj); |
| 14380 | 621 |
| 0 | 622 jint ret = JNI_OK; |
| 623 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 624 | |
| 625 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 626 ShouldNotReachHere(); | |
| 627 JNI_END | |
| 628 | |
| 14380 | 629 |
| 4006 | 630 DT_RETURN_MARK_DECL(ThrowNew, jint |
| 631 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 0 | 632 |
| 633 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 634 JNIWrapper("ThrowNew"); | |
| 14380 | 635 |
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636 HOTSPOT_JNI_THROWNEW_ENTRY(env, clazz, (char *) message); |
| 14380 | 637 |
| 0 | 638 jint ret = JNI_OK; |
| 639 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 640 | |
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641 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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642 Symbol* name = k->name(); |
| 0 | 643 Handle class_loader (THREAD, k->class_loader()); |
| 644 Handle protection_domain (THREAD, k->protection_domain()); | |
| 645 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 646 ShouldNotReachHere(); | |
| 647 JNI_END | |
| 648 | |
| 649 | |
| 650 // JNI functions only transform a pending async exception to a synchronous | |
| 651 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 652 // delivering an async exception in other places won't change the native | |
| 653 // code's control flow and would be harmful when native code further calls | |
| 654 // JNI functions with a pending exception. Async exception is also checked | |
| 655 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 656 // false but deliver the async exception at the very end during | |
| 657 // state transition. | |
| 658 | |
| 659 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 660 assert(thread == Thread::current(), "must be itself"); | |
| 661 thread->check_and_handle_async_exceptions(); | |
| 662 } | |
| 663 | |
| 664 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 665 JNIWrapper("ExceptionOccurred"); | |
| 14380 | 666 |
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667 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY(env); |
| 14380 | 668 |
| 0 | 669 jni_check_async_exceptions(thread); |
| 670 oop exception = thread->pending_exception(); | |
| 671 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 14380 | 672 |
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673 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN(ret); |
| 0 | 674 return ret; |
| 675 JNI_END | |
| 676 | |
| 677 | |
| 678 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 679 JNIWrapper("ExceptionDescribe"); | |
| 14380 | 680 |
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681 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY(env); |
| 14380 | 682 |
| 0 | 683 if (thread->has_pending_exception()) { |
| 684 Handle ex(thread, thread->pending_exception()); | |
| 685 thread->clear_pending_exception(); | |
| 1142 | 686 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 687 // Don't print anything if we are being killed. |
| 688 } else { | |
| 689 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 690 if (thread != NULL && thread->threadObj() != NULL) { | |
| 691 ResourceMark rm(THREAD); | |
| 692 jio_fprintf(defaultStream::error_stream(), | |
| 693 "in thread \"%s\" ", thread->get_thread_name()); | |
| 694 } | |
| 1142 | 695 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 696 JavaValue result(T_VOID); |
| 697 JavaCalls::call_virtual(&result, | |
| 698 ex, | |
| 699 KlassHandle(THREAD, | |
| 1142 | 700 SystemDictionary::Throwable_klass()), |
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701 vmSymbols::printStackTrace_name(), |
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702 vmSymbols::void_method_signature(), |
| 0 | 703 THREAD); |
| 704 // If an exception is thrown in the call it gets thrown away. Not much | |
| 705 // we can do with it. The native code that calls this, does not check | |
| 706 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 707 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 708 // is expected. | |
| 709 CLEAR_PENDING_EXCEPTION; | |
| 710 } else { | |
| 711 ResourceMark rm(THREAD); | |
| 712 jio_fprintf(defaultStream::error_stream(), | |
| 713 ". Uncaught exception of type %s.", | |
| 6983 | 714 ex->klass()->external_name()); |
| 0 | 715 } |
| 716 } | |
| 717 } | |
| 14380 | 718 |
|
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719 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN(); |
| 0 | 720 JNI_END |
| 721 | |
| 722 | |
| 723 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 724 JNIWrapper("ExceptionClear"); | |
| 14380 | 725 |
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726 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY(env); |
| 0 | 727 |
| 728 // The jni code might be using this API to clear java thrown exception. | |
| 729 // So just mark jvmti thread exception state as exception caught. | |
| 730 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 731 if (state != NULL && state->is_exception_detected()) { | |
| 732 state->set_exception_caught(); | |
| 733 } | |
| 734 thread->clear_pending_exception(); | |
| 14380 | 735 |
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736 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN(); |
| 0 | 737 JNI_END |
| 738 | |
| 739 | |
| 740 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 741 JNIWrapper("FatalError"); | |
| 14380 | 742 |
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743 HOTSPOT_JNI_FATALERROR_ENTRY(env, (char *) msg); |
| 14380 | 744 |
| 0 | 745 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 746 thread->print_stack(); | |
|
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747 os::abort(); // Dump core and abort |
| 0 | 748 JNI_END |
| 749 | |
| 750 | |
| 751 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 752 JNIWrapper("PushLocalFrame"); | |
| 14380 | 753 |
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754 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY(env, capacity); |
| 14380 | 755 |
| 0 | 756 //%note jni_11 |
|
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757 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
|
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758 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN((uint32_t)JNI_ERR); |
| 0 | 759 return JNI_ERR; |
| 760 } | |
| 761 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 762 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 763 assert(new_handles != NULL, "should not be NULL"); | |
| 764 new_handles->set_pop_frame_link(old_handles); | |
| 765 thread->set_active_handles(new_handles); | |
| 766 jint ret = JNI_OK; | |
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767 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(ret); |
| 0 | 768 return ret; |
| 769 JNI_END | |
| 770 | |
| 771 | |
| 772 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 773 JNIWrapper("PopLocalFrame"); | |
| 14380 | 774 |
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775 HOTSPOT_JNI_POPLOCALFRAME_ENTRY(env, result); |
| 14380 | 776 |
| 0 | 777 //%note jni_11 |
| 778 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 779 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 780 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 781 if (new_handles != NULL) { | |
| 782 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 783 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 784 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 785 // the release_block call will release the blocks. | |
| 786 thread->set_active_handles(new_handles); | |
| 787 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 788 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 789 result = JNIHandles::make_local(thread, result_handle()); | |
| 790 } | |
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791 HOTSPOT_JNI_POPLOCALFRAME_RETURN(result); |
| 0 | 792 return result; |
| 793 JNI_END | |
| 794 | |
| 795 | |
| 796 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 797 JNIWrapper("NewGlobalRef"); | |
| 14380 | 798 |
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799 HOTSPOT_JNI_NEWGLOBALREF_ENTRY(env, ref); |
| 14380 | 800 |
| 0 | 801 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 802 jobject ret = JNIHandles::make_global(ref_handle); | |
| 14380 | 803 |
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804 HOTSPOT_JNI_NEWGLOBALREF_RETURN(ret); |
| 0 | 805 return ret; |
| 806 JNI_END | |
| 807 | |
| 808 // Must be JNI_ENTRY (with HandleMark) | |
| 809 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 810 JNIWrapper("DeleteGlobalRef"); | |
| 14380 | 811 |
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812 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY(env, ref); |
| 14380 | 813 |
| 0 | 814 JNIHandles::destroy_global(ref); |
| 14380 | 815 |
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816 HOTSPOT_JNI_DELETEGLOBALREF_RETURN(); |
| 0 | 817 JNI_END |
| 818 | |
| 819 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 820 JNIWrapper("DeleteLocalRef"); | |
| 14380 | 821 |
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822 HOTSPOT_JNI_DELETELOCALREF_ENTRY(env, obj); |
| 14380 | 823 |
| 0 | 824 JNIHandles::destroy_local(obj); |
| 14380 | 825 |
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826 HOTSPOT_JNI_DELETELOCALREF_RETURN(); |
| 0 | 827 JNI_END |
| 828 | |
| 829 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 830 JNIWrapper("IsSameObject"); | |
| 14380 | 831 |
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832 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY(env, r1, r2); |
| 14380 | 833 |
| 0 | 834 oop a = JNIHandles::resolve(r1); |
| 835 oop b = JNIHandles::resolve(r2); | |
| 836 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 14380 | 837 |
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838 HOTSPOT_JNI_ISSAMEOBJECT_RETURN(ret); |
| 0 | 839 return ret; |
| 840 JNI_END | |
| 841 | |
| 842 | |
| 843 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 844 JNIWrapper("NewLocalRef"); | |
| 14380 | 845 |
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846 HOTSPOT_JNI_NEWLOCALREF_ENTRY(env, ref); |
| 14380 | 847 |
| 0 | 848 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 14380 | 849 |
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850 HOTSPOT_JNI_NEWLOCALREF_RETURN(ret); |
| 0 | 851 return ret; |
| 852 JNI_END | |
| 853 | |
| 854 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 855 JNIWrapper("EnsureLocalCapacity"); | |
| 14380 | 856 |
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857 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY(env, capacity); |
| 14380 | 858 |
| 0 | 859 jint ret; |
| 860 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 861 ret = JNI_OK; | |
| 862 } else { | |
| 863 ret = JNI_ERR; | |
| 864 } | |
| 14380 | 865 |
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866 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN(ret); |
| 0 | 867 return ret; |
| 868 JNI_END | |
| 869 | |
| 870 // Return the Handle Type | |
| 871 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 872 JNIWrapper("GetObjectRefType"); | |
| 14380 | 873 |
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874 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY(env, obj); |
| 14380 | 875 |
| 0 | 876 jobjectRefType ret; |
| 877 if (JNIHandles::is_local_handle(thread, obj) || | |
| 878 JNIHandles::is_frame_handle(thread, obj)) | |
| 879 ret = JNILocalRefType; | |
| 880 else if (JNIHandles::is_global_handle(obj)) | |
| 881 ret = JNIGlobalRefType; | |
| 882 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 883 ret = JNIWeakGlobalRefType; | |
| 884 else | |
| 885 ret = JNIInvalidRefType; | |
| 14380 | 886 |
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887 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN((void *) ret); |
| 0 | 888 return ret; |
| 889 JNI_END | |
| 890 | |
| 891 | |
| 892 class JNI_ArgumentPusher : public SignatureIterator { | |
| 893 protected: | |
| 894 JavaCallArguments* _arguments; | |
| 895 | |
| 896 virtual void get_bool () = 0; | |
| 897 virtual void get_char () = 0; | |
| 898 virtual void get_short () = 0; | |
| 899 virtual void get_byte () = 0; | |
| 900 virtual void get_int () = 0; | |
| 901 virtual void get_long () = 0; | |
| 902 virtual void get_float () = 0; | |
| 903 virtual void get_double () = 0; | |
| 904 virtual void get_object () = 0; | |
| 905 | |
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906 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 907 this->_return_type = T_ILLEGAL; |
| 908 _arguments = NULL; | |
| 909 } | |
| 910 | |
| 911 public: | |
| 912 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 913 | |
| 914 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 915 | |
| 916 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 917 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 918 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 919 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 920 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 921 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 922 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 923 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 924 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 925 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 926 inline void do_void() { } | |
| 927 | |
| 928 JavaCallArguments* arguments() { return _arguments; } | |
| 929 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 930 }; | |
| 931 | |
| 932 | |
| 933 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 934 protected: | |
| 935 va_list _ap; | |
| 936 | |
| 937 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 938 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 939 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 940 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 941 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 942 | |
| 943 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 944 | |
| 945 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 946 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 947 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 948 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 949 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 950 | |
| 951 inline void set_ap(va_list rap) { | |
| 952 #ifdef va_copy | |
| 953 va_copy(_ap, rap); | |
| 954 #elif defined (__va_copy) | |
| 955 __va_copy(_ap, rap); | |
| 956 #else | |
| 957 _ap = rap; | |
| 958 #endif | |
| 959 } | |
| 960 | |
| 961 public: | |
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962 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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963 : JNI_ArgumentPusher(signature) { |
| 0 | 964 set_ap(rap); |
| 965 } | |
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966 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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967 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 968 set_ap(rap); |
| 969 } | |
| 970 | |
| 971 // Optimized path if we have the bitvector form of signature | |
| 972 void iterate( uint64_t fingerprint ) { | |
| 973 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 974 else { | |
| 975 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 976 result_feature_mask); | |
| 977 | |
| 978 assert(fingerprint, "Fingerprint should not be 0"); | |
| 979 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 980 while ( 1 ) { | |
| 981 switch ( fingerprint & parameter_feature_mask ) { | |
| 982 case bool_parm: | |
| 983 case char_parm: | |
| 984 case short_parm: | |
| 985 case byte_parm: | |
| 986 case int_parm: | |
| 987 get_int(); | |
| 988 break; | |
| 989 case obj_parm: | |
| 990 get_object(); | |
| 991 break; | |
| 992 case long_parm: | |
| 993 get_long(); | |
| 994 break; | |
| 995 case float_parm: | |
| 996 get_float(); | |
| 997 break; | |
| 998 case double_parm: | |
| 999 get_double(); | |
| 1000 break; | |
| 1001 case done_parm: | |
| 1002 return; | |
| 1003 break; | |
| 1004 default: | |
| 1005 ShouldNotReachHere(); | |
| 1006 break; | |
| 1007 } | |
| 1008 fingerprint >>= parameter_feature_size; | |
| 1009 } | |
| 1010 } | |
| 1011 } | |
| 1012 }; | |
| 1013 | |
| 1014 | |
| 1015 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1016 protected: | |
| 1017 const jvalue *_ap; | |
| 1018 | |
| 1019 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1020 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1021 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1022 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1023 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1024 | |
| 1025 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1026 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1027 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1028 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1029 | |
| 1030 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1031 | |
| 1032 public: | |
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1033 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1034 : JNI_ArgumentPusher(signature) { |
| 0 | 1035 set_ap(rap); |
| 1036 } | |
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1037 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1038 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1039 set_ap(rap); |
| 1040 } | |
| 1041 | |
| 1042 // Optimized path if we have the bitvector form of signature | |
| 1043 void iterate( uint64_t fingerprint ) { | |
| 1044 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1045 else { | |
| 1046 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1047 result_feature_mask); | |
| 1048 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1049 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1050 while ( 1 ) { | |
| 1051 switch ( fingerprint & parameter_feature_mask ) { | |
| 1052 case bool_parm: | |
| 1053 get_bool(); | |
| 1054 break; | |
| 1055 case char_parm: | |
| 1056 get_char(); | |
| 1057 break; | |
| 1058 case short_parm: | |
| 1059 get_short(); | |
| 1060 break; | |
| 1061 case byte_parm: | |
| 1062 get_byte(); | |
| 1063 break; | |
| 1064 case int_parm: | |
| 1065 get_int(); | |
| 1066 break; | |
| 1067 case obj_parm: | |
| 1068 get_object(); | |
| 1069 break; | |
| 1070 case long_parm: | |
| 1071 get_long(); | |
| 1072 break; | |
| 1073 case float_parm: | |
| 1074 get_float(); | |
| 1075 break; | |
| 1076 case double_parm: | |
| 1077 get_double(); | |
| 1078 break; | |
| 1079 case done_parm: | |
| 1080 return; | |
| 1081 break; | |
| 1082 default: | |
| 1083 ShouldNotReachHere(); | |
| 1084 break; | |
| 1085 } | |
| 1086 fingerprint >>= parameter_feature_size; | |
| 1087 } | |
| 1088 } | |
| 1089 } | |
| 1090 }; | |
| 1091 | |
| 1092 | |
| 1093 enum JNICallType { | |
| 1094 JNI_STATIC, | |
| 1095 JNI_VIRTUAL, | |
| 1096 JNI_NONVIRTUAL | |
| 1097 }; | |
| 1098 | |
| 1099 | |
| 1100 | |
| 1101 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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1102 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1103 |
| 1104 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1105 // the jni parser | |
| 1106 ResourceMark rm(THREAD); | |
| 1107 int number_of_parameters = method->size_of_parameters(); | |
| 1108 JavaCallArguments java_args(number_of_parameters); | |
| 1109 args->set_java_argument_object(&java_args); | |
| 1110 | |
| 1111 assert(method->is_static(), "method should be static"); | |
| 1112 | |
| 1113 // Fill out JavaCallArguments object | |
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1114 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1115 // Initialize result type |
| 1116 result->set_type(args->get_ret_type()); | |
| 1117 | |
| 1118 // Invoke the method. Result is returned as oop. | |
| 1119 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1120 | |
| 1121 // Convert result | |
| 1122 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1123 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1124 } | |
| 1125 } | |
| 1126 | |
| 1127 | |
| 1128 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1129 oop recv = JNIHandles::resolve(receiver); | |
| 1130 if (recv == NULL) { | |
| 1131 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1132 } | |
| 1133 Handle h_recv(THREAD, recv); | |
| 1134 | |
| 1135 int number_of_parameters; | |
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1136 Method* selected_method; |
| 0 | 1137 { |
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1138 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1139 number_of_parameters = m->size_of_parameters(); |
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1140 Klass* holder = m->method_holder(); |
| 6983 | 1141 if (!(holder)->is_interface()) { |
| 0 | 1142 // non-interface call -- for that little speed boost, don't handlize |
| 1143 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1144 if (call_type == JNI_VIRTUAL) { | |
| 1145 // jni_GetMethodID makes sure class is linked and initialized | |
| 1146 // so m should have a valid vtable index. | |
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1147 assert(!m->has_itable_index(), ""); |
| 0 | 1148 int vtbl_index = m->vtable_index(); |
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1149 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1150 Klass* k = h_recv->klass(); |
| 0 | 1151 // k might be an arrayKlassOop but all vtables start at |
| 1152 // the same place. The cast is to avoid virtual call and assertion. | |
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1153 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1154 selected_method = ik->method_at_vtable(vtbl_index); |
| 1155 } else { | |
| 1156 // final method | |
| 1157 selected_method = m; | |
| 1158 } | |
| 1159 } else { | |
| 1160 // JNI_NONVIRTUAL call | |
| 1161 selected_method = m; | |
| 1162 } | |
| 1163 } else { | |
| 1164 // interface call | |
| 1165 KlassHandle h_holder(THREAD, holder); | |
| 1166 | |
| 14320 | 1167 if (call_type == JNI_VIRTUAL) { |
| 1168 int itbl_index = m->itable_index(); | |
| 1169 Klass* k = h_recv->klass(); | |
| 1170 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); | |
| 1171 } else { | |
| 1172 selected_method = m; | |
| 1173 } | |
| 0 | 1174 } |
| 1175 } | |
| 1176 | |
| 1177 methodHandle method(THREAD, selected_method); | |
| 1178 | |
| 1179 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1180 // the jni parser | |
| 1181 ResourceMark rm(THREAD); | |
| 1182 JavaCallArguments java_args(number_of_parameters); | |
| 1183 args->set_java_argument_object(&java_args); | |
| 1184 | |
| 1185 // handle arguments | |
| 1186 assert(!method->is_static(), "method should not be static"); | |
| 1187 args->push_receiver(h_recv); // Push jobject handle | |
| 1188 | |
| 1189 // Fill out JavaCallArguments object | |
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1190 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1191 // Initialize result type |
| 1192 result->set_type(args->get_ret_type()); | |
| 1193 | |
| 1194 // Invoke the method. Result is returned as oop. | |
| 1195 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1196 | |
| 1197 // Convert result | |
| 1198 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1199 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1200 } | |
| 1201 } | |
| 1202 | |
| 1203 | |
| 1204 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1205 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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1206 if (k == NULL) { |
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1207 ResourceMark rm(THREAD); |
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1208 THROW_(vmSymbols::java_lang_InstantiationException(), NULL); |
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1209 } |
| 6983 | 1210 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1211 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1212 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1213 return ih; |
| 1214 } | |
| 1215 | |
| 4006 | 1216 DT_RETURN_MARK_DECL(AllocObject, jobject |
| 1217 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 0 | 1218 |
| 1219 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1220 JNIWrapper("AllocObject"); | |
| 1221 | |
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1222 HOTSPOT_JNI_ALLOCOBJECT_ENTRY(env, clazz); |
| 14380 | 1223 |
| 0 | 1224 jobject ret = NULL; |
| 1225 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1226 | |
| 1227 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1228 ret = JNIHandles::make_local(env, i); | |
| 1229 return ret; | |
| 1230 JNI_END | |
| 1231 | |
| 4006 | 1232 DT_RETURN_MARK_DECL(NewObjectA, jobject |
| 1233 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 0 | 1234 |
| 1235 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1236 JNIWrapper("NewObjectA"); | |
| 14380 | 1237 |
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1238 HOTSPOT_JNI_NEWOBJECTA_ENTRY(env, clazz, (uintptr_t) methodID); |
| 14380 | 1239 |
| 0 | 1240 jobject obj = NULL; |
| 1241 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1242 | |
| 1243 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1244 obj = JNIHandles::make_local(env, i); | |
| 1245 JavaValue jvalue(T_VOID); | |
|
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1246 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1247 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1248 return obj; | |
| 1249 JNI_END | |
| 1250 | |
| 14380 | 1251 |
| 4006 | 1252 DT_RETURN_MARK_DECL(NewObjectV, jobject |
| 1253 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 0 | 1254 |
| 1255 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1256 JNIWrapper("NewObjectV"); | |
| 14380 | 1257 |
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1258 HOTSPOT_JNI_NEWOBJECTV_ENTRY(env, clazz, (uintptr_t) methodID); |
| 14380 | 1259 |
| 0 | 1260 jobject obj = NULL; |
| 1261 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1262 | |
| 1263 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1264 obj = JNIHandles::make_local(env, i); | |
| 1265 JavaValue jvalue(T_VOID); | |
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1266 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1267 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1268 return obj; | |
| 1269 JNI_END | |
| 1270 | |
| 14380 | 1271 |
| 4006 | 1272 DT_RETURN_MARK_DECL(NewObject, jobject |
| 1273 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 0 | 1274 |
| 1275 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1276 JNIWrapper("NewObject"); | |
| 14380 | 1277 |
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1278 HOTSPOT_JNI_NEWOBJECT_ENTRY(env, clazz, (uintptr_t) methodID); |
| 14380 | 1279 |
| 0 | 1280 jobject obj = NULL; |
| 1281 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1282 | |
| 1283 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1284 obj = JNIHandles::make_local(env, i); | |
| 1285 va_list args; | |
| 1286 va_start(args, methodID); | |
| 1287 JavaValue jvalue(T_VOID); | |
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1288 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1289 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1290 va_end(args); | |
| 1291 return obj; | |
| 1292 JNI_END | |
| 1293 | |
| 1294 | |
| 1295 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1296 JNIWrapper("GetObjectClass"); | |
| 14380 | 1297 |
|
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1298 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(env, obj); |
| 14380 | 1299 |
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1300 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1301 jclass ret = |
| 6983 | 1302 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 14380 | 1303 |
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1304 HOTSPOT_JNI_GETOBJECTCLASS_RETURN(ret); |
| 0 | 1305 return ret; |
| 1306 JNI_END | |
| 1307 | |
| 1308 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1309 JNIWrapper("IsInstanceOf"); | |
| 14380 | 1310 |
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1311 HOTSPOT_JNI_ISINSTANCEOF_ENTRY(env, obj, clazz); |
| 14380 | 1312 |
| 0 | 1313 jboolean ret = JNI_TRUE; |
| 1314 if (obj != NULL) { | |
| 1315 ret = JNI_FALSE; | |
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1316 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1317 JNIHandles::resolve_non_null(clazz)); |
| 1318 if (k != NULL) { | |
| 1319 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1320 } | |
| 1321 } | |
| 14380 | 1322 |
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1323 HOTSPOT_JNI_ISINSTANCEOF_RETURN(ret); |
| 0 | 1324 return ret; |
| 1325 JNI_END | |
| 1326 | |
| 1327 | |
| 1328 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1329 const char *sig, bool is_static, TRAPS) { | |
| 1330 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1331 // | |
| 1332 // The class should have been loaded (we have an instance of the class | |
| 1333 // passed in) so the method and signature should already be in the symbol | |
| 1334 // table. If they're not there, the method doesn't exist. | |
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1335 const char *name_to_probe = (name_str == NULL) |
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1336 ? vmSymbols::object_initializer_name()->as_C_string() |
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1337 : name_str; |
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1338 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1339 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1340 |
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1341 if (name == NULL || signature == NULL) { |
| 0 | 1342 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1343 } | |
| 1344 | |
| 1345 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1346 // primitive java.lang.Class | |
| 1347 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1348 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1349 } | |
| 1350 | |
| 1351 KlassHandle klass(THREAD, | |
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1352 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1353 |
| 1354 // Make sure class is linked and initialized before handing id's out to | |
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1355 // Method*s. |
| 6983 | 1356 klass()->initialize(CHECK_NULL); |
| 0 | 1357 |
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1358 Method* m; |
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1359 if (name == vmSymbols::object_initializer_name() || |
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1360 name == vmSymbols::class_initializer_name()) { |
| 0 | 1361 // Never search superclasses for constructors |
| 1362 if (klass->oop_is_instance()) { | |
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1363 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1364 } else { |
| 1365 m = NULL; | |
| 1366 } | |
| 1367 } else { | |
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1368 m = klass->lookup_method(name, signature); |
|
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1369 if (m == NULL && klass->oop_is_instance()) { |
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1370 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
| 0 | 1371 } |
| 1372 } | |
| 1373 if (m == NULL || (m->is_static() != is_static)) { | |
| 1374 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1375 } | |
| 1376 return m->jmethod_id(); | |
| 1377 } | |
| 1378 | |
| 1379 | |
| 1380 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1381 const char *name, const char *sig)) | |
| 1382 JNIWrapper("GetMethodID"); | |
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1383 HOTSPOT_JNI_GETMETHODID_ENTRY(env, clazz, (char *) name, (char *) sig); |
| 0 | 1384 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
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1385 HOTSPOT_JNI_GETMETHODID_RETURN((uintptr_t) ret); |
| 0 | 1386 return ret; |
| 1387 JNI_END | |
| 1388 | |
| 1389 | |
| 1390 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1391 const char *name, const char *sig)) | |
| 1392 JNIWrapper("GetStaticMethodID"); | |
|
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1393 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY(env, (char *) clazz, (char *) name, (char *)sig); |
| 0 | 1394 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
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1395 HOTSPOT_JNI_GETSTATICMETHODID_RETURN((uintptr_t) ret); |
| 0 | 1396 return ret; |
| 1397 JNI_END | |
| 1398 | |
| 1399 | |
| 1400 | |
| 1401 // | |
| 1402 // Calling Methods | |
| 1403 // | |
| 1404 | |
| 4006 | 1405 |
| 1406 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1407 , EntryProbe, ReturnProbe) \ | |
| 1408 \ | |
| 1409 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1410 , ReturnProbe); \ | |
| 1411 \ | |
| 1412 JNI_ENTRY(ResultType, \ | |
| 1413 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1414 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1415 \ | |
| 1416 EntryProbe; \ | |
| 1417 ResultType ret = 0;\ | |
| 1418 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1419 (const ResultType&)ret);\ | |
| 1420 \ | |
| 1421 va_list args; \ | |
| 1422 va_start(args, methodID); \ | |
| 1423 JavaValue jvalue(Tag); \ | |
| 1424 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1425 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1426 va_end(args); \ | |
| 1427 ret = jvalue.get_##ResultType(); \ | |
| 1428 return ret;\ | |
| 1429 JNI_END | |
| 1430 | |
| 1431 // the runtime type of subword integral basic types is integer | |
| 1432 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1433 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1434 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1435 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1436 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1437 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1438 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1439 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1440 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1441 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1442 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1443 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1444 | |
| 1445 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1446 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1447 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1448 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1449 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1450 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1451 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1452 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1453 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1454 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1455 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1456 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1457 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1458 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1459 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1460 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1461 | |
| 1462 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1463 , EntryProbe, ReturnProbe) \ | |
| 1464 \ | |
| 1465 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1466 , ReturnProbe); \ | |
| 1467 \ | |
| 1468 JNI_ENTRY(ResultType, \ | |
| 1469 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1470 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1471 \ | |
| 1472 EntryProbe;\ | |
| 1473 ResultType ret = 0;\ | |
| 1474 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1475 (const ResultType&)ret);\ | |
| 1476 \ | |
| 1477 JavaValue jvalue(Tag); \ | |
| 1478 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1479 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1480 ret = jvalue.get_##ResultType(); \ | |
| 1481 return ret;\ | |
| 1482 JNI_END | |
| 1483 | |
| 1484 // the runtime type of subword integral basic types is integer | |
| 1485 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
|
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1486 , HOTSPOT_JNI_CALLBOOLEANMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1487 HOTSPOT_JNI_CALLBOOLEANMETHODV_RETURN(_ret_ref)) |
| 4006 | 1488 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE |
|
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1489 , HOTSPOT_JNI_CALLBYTEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1490 HOTSPOT_JNI_CALLBYTEMETHODV_RETURN(_ret_ref)) |
| 4006 | 1491 DEFINE_CALLMETHODV(jchar, Char, T_CHAR |
|
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1492 , HOTSPOT_JNI_CALLCHARMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1493 HOTSPOT_JNI_CALLCHARMETHODV_RETURN(_ret_ref)) |
| 4006 | 1494 DEFINE_CALLMETHODV(jshort, Short, T_SHORT |
|
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1495 , HOTSPOT_JNI_CALLSHORTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1496 HOTSPOT_JNI_CALLSHORTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1497 |
| 1498 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
|
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1499 , HOTSPOT_JNI_CALLOBJECTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1500 HOTSPOT_JNI_CALLOBJECTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1501 DEFINE_CALLMETHODV(jint, Int, T_INT, |
|
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1502 HOTSPOT_JNI_CALLINTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1503 HOTSPOT_JNI_CALLINTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1504 DEFINE_CALLMETHODV(jlong, Long, T_LONG |
|
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1505 , HOTSPOT_JNI_CALLLONGMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1506 HOTSPOT_JNI_CALLLONGMETHODV_RETURN(_ret_ref)) |
| 4006 | 1507 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1508 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
|
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1509 , HOTSPOT_JNI_CALLFLOATMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1510 HOTSPOT_JNI_CALLFLOATMETHODV_RETURN()) |
| 4006 | 1511 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE |
|
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1512 , HOTSPOT_JNI_CALLDOUBLEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1513 HOTSPOT_JNI_CALLDOUBLEMETHODV_RETURN()) |
| 4006 | 1514 |
| 1515 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1516 , EntryProbe, ReturnProbe) \ | |
| 1517 \ | |
| 1518 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1519 , ReturnProbe); \ | |
| 1520 \ | |
| 1521 JNI_ENTRY(ResultType, \ | |
| 1522 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1523 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1524 EntryProbe; \ | |
| 1525 ResultType ret = 0;\ | |
| 1526 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1527 (const ResultType&)ret);\ | |
| 1528 \ | |
| 1529 JavaValue jvalue(Tag); \ | |
| 1530 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1531 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1532 ret = jvalue.get_##ResultType(); \ | |
| 1533 return ret;\ | |
| 1534 JNI_END | |
| 1535 | |
| 1536 // the runtime type of subword integral basic types is integer | |
| 1537 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
|
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1538 , HOTSPOT_JNI_CALLBOOLEANMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1539 HOTSPOT_JNI_CALLBOOLEANMETHODA_RETURN(_ret_ref)) |
| 4006 | 1540 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE |
|
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1541 , HOTSPOT_JNI_CALLBYTEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1542 HOTSPOT_JNI_CALLBYTEMETHODA_RETURN(_ret_ref)) |
| 4006 | 1543 DEFINE_CALLMETHODA(jchar, Char, T_CHAR |
|
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1544 , HOTSPOT_JNI_CALLCHARMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1545 HOTSPOT_JNI_CALLCHARMETHODA_RETURN(_ret_ref)) |
| 4006 | 1546 DEFINE_CALLMETHODA(jshort, Short, T_SHORT |
|
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1547 , HOTSPOT_JNI_CALLSHORTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1548 HOTSPOT_JNI_CALLSHORTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1549 |
| 1550 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
|
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1551 , HOTSPOT_JNI_CALLOBJECTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1552 HOTSPOT_JNI_CALLOBJECTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1553 DEFINE_CALLMETHODA(jint, Int, T_INT, |
|
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1554 HOTSPOT_JNI_CALLINTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1555 HOTSPOT_JNI_CALLINTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1556 DEFINE_CALLMETHODA(jlong, Long, T_LONG |
|
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1557 , HOTSPOT_JNI_CALLLONGMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1558 HOTSPOT_JNI_CALLLONGMETHODA_RETURN(_ret_ref)) |
| 4006 | 1559 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1560 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
|
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1561 , HOTSPOT_JNI_CALLFLOATMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1562 HOTSPOT_JNI_CALLFLOATMETHODA_RETURN()) |
| 4006 | 1563 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE |
|
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1564 , HOTSPOT_JNI_CALLDOUBLEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
|
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1565 HOTSPOT_JNI_CALLDOUBLEMETHODA_RETURN()) |
| 4006 | 1566 |
| 1567 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1568 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1569 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1570 | |
| 1571 | |
| 0 | 1572 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1573 JNIWrapper("CallVoidMethod"); | |
|
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1574 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY(env, obj, (uintptr_t) methodID); |
| 0 | 1575 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1576 | |
| 1577 va_list args; | |
| 1578 va_start(args, methodID); | |
| 1579 JavaValue jvalue(T_VOID); | |
|
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1580 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1581 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1582 va_end(args); | |
| 1583 JNI_END | |
| 1584 | |
| 1585 | |
| 1586 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1587 JNIWrapper("CallVoidMethodV"); | |
|
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1588 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY(env, obj, (uintptr_t) methodID); |
| 0 | 1589 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1590 | |
| 1591 JavaValue jvalue(T_VOID); | |
|
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1592 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1593 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1594 JNI_END | |
| 1595 | |
| 1596 | |
| 1597 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1598 JNIWrapper("CallVoidMethodA"); | |
|
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1599 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY(env, obj, (uintptr_t) methodID); |
| 0 | 1600 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1601 | |
| 1602 JavaValue jvalue(T_VOID); | |
|
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1603 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1604 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1605 JNI_END | |
| 1606 | |
| 1607 | |
| 4006 | 1608 |
| 1609 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 1610 , EntryProbe, ReturnProbe) \ | |
| 1611 \ | |
| 1612 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 1613 , ReturnProbe);\ | |
| 1614 \ | |
| 1615 JNI_ENTRY(ResultType, \ | |
| 1616 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1617 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1618 \ | |
| 1619 EntryProbe;\ | |
| 1620 ResultType ret;\ | |
| 1621 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1622 (const ResultType&)ret);\ | |
| 1623 \ | |
| 1624 va_list args; \ | |
| 1625 va_start(args, methodID); \ | |
| 1626 JavaValue jvalue(Tag); \ | |
| 1627 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1628 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1629 va_end(args); \ | |
| 1630 ret = jvalue.get_##ResultType(); \ | |
| 1631 return ret;\ | |
| 1632 JNI_END | |
| 1633 | |
| 1634 // the runtime type of subword integral basic types is integer | |
| 1635 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1636 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1637 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1638 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 1639 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1640 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 1641 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 1642 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1643 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 1644 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 1645 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1646 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 1647 | |
| 1648 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 1649 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1650 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1651 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 1652 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1653 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 1654 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 1655 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1656 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1657 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 1658 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 1659 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1660 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 1661 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 1662 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1663 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 1664 | |
| 1665 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 1666 , EntryProbe, ReturnProbe) \ | |
| 1667 \ | |
| 1668 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 1669 , ReturnProbe);\ | |
| 1670 \ | |
| 1671 JNI_ENTRY(ResultType, \ | |
| 1672 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1673 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 1674 \ | |
| 1675 EntryProbe;\ | |
| 1676 ResultType ret;\ | |
| 1677 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1678 (const ResultType&)ret);\ | |
| 1679 \ | |
| 1680 JavaValue jvalue(Tag); \ | |
| 1681 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1682 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1683 ret = jvalue.get_##ResultType(); \ | |
| 1684 return ret;\ | |
| 1685 JNI_END | |
| 1686 | |
| 1687 // the runtime type of subword integral basic types is integer | |
| 1688 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1689 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1690 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 1691 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 1692 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1693 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 1694 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 1695 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1696 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 1697 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 1698 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1699 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 1700 | |
| 1701 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 1702 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1703 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 1704 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 1705 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1706 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 1707 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 1708 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1709 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1710 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 1711 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 1712 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1713 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 1714 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 1715 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1716 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 1717 | |
| 1718 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 1719 , EntryProbe, ReturnProbe) \ | |
| 1720 \ | |
| 1721 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 1722 , ReturnProbe);\ | |
| 1723 \ | |
| 1724 JNI_ENTRY(ResultType, \ | |
| 1725 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1726 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1727 \ | |
| 1728 EntryProbe;\ | |
| 1729 ResultType ret;\ | |
| 1730 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 1731 (const ResultType&)ret);\ | |
| 1732 \ | |
| 1733 JavaValue jvalue(Tag); \ | |
| 1734 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1735 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1736 ret = jvalue.get_##ResultType(); \ | |
| 1737 return ret;\ | |
| 1738 JNI_END | |
| 1739 | |
| 1740 // the runtime type of subword integral basic types is integer | |
| 1741 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1742 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1743 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 1744 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 1745 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1746 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 1747 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 1748 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1749 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 1750 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 1751 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1752 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 1753 | |
| 1754 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 1755 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1756 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 1757 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 1758 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1759 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 1760 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 1761 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1762 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1763 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 1764 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 1765 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1766 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 1767 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 1768 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 1769 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 1770 | |
| 1771 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 1772 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 1773 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 1774 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 1775 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 1776 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 1777 | |
| 0 | 1778 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 1779 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 1780 | |
|
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1781 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY(env, obj, cls, (uintptr_t) methodID); |
| 0 | 1782 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 1783 | |
| 1784 va_list args; | |
| 1785 va_start(args, methodID); | |
| 1786 JavaValue jvalue(T_VOID); | |
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1787 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1788 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 1789 va_end(args); | |
| 1790 JNI_END | |
| 1791 | |
| 1792 | |
| 1793 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 1794 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 1795 | |
| 4006 | 1796 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( |
| 1797 env, obj, cls, (uintptr_t) methodID); | |
| 0 | 1798 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 1799 | |
| 1800 JavaValue jvalue(T_VOID); | |
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1801 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1802 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 1803 JNI_END | |
| 1804 | |
| 1805 | |
| 1806 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 1807 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 1808 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( |
| 1809 env, obj, cls, (uintptr_t) methodID); | |
| 0 | 1810 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 1811 JavaValue jvalue(T_VOID); | |
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1812 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1813 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 1814 JNI_END | |
| 1815 | |
| 1816 | |
| 4006 | 1817 |
| 1818 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 1819 , EntryProbe, ResultProbe) \ | |
| 1820 \ | |
| 1821 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 1822 , ResultProbe); \ | |
| 1823 \ | |
| 1824 JNI_ENTRY(ResultType, \ | |
| 1825 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 1826 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 1827 \ | |
| 1828 EntryProbe; \ | |
| 1829 ResultType ret = 0;\ | |
| 1830 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 1831 (const ResultType&)ret);\ | |
| 1832 \ | |
| 1833 va_list args; \ | |
| 1834 va_start(args, methodID); \ | |
| 1835 JavaValue jvalue(Tag); \ | |
| 1836 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1837 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 1838 va_end(args); \ | |
| 1839 ret = jvalue.get_##ResultType(); \ | |
| 1840 return ret;\ | |
| 1841 JNI_END | |
| 1842 | |
| 1843 // the runtime type of subword integral basic types is integer | |
| 1844 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1845 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1846 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 1847 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 1848 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1849 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 1850 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 1851 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1852 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 1853 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 1854 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1855 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 1856 | |
| 1857 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 1858 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1859 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 1860 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 1861 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1862 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 1863 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 1864 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1865 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 1866 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1867 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 1868 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1869 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 1870 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 1871 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1872 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 1873 | |
| 1874 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 1875 , EntryProbe, ResultProbe) \ | |
| 1876 \ | |
| 1877 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 1878 , ResultProbe); \ | |
| 1879 \ | |
| 1880 JNI_ENTRY(ResultType, \ | |
| 1881 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1882 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 1883 \ | |
| 1884 EntryProbe; \ | |
| 1885 ResultType ret = 0;\ | |
| 1886 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 1887 (const ResultType&)ret);\ | |
| 1888 \ | |
| 1889 JavaValue jvalue(Tag); \ | |
| 1890 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1891 /* Make sure class is initialized before trying to invoke its method */ \ | |
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1892 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 1893 k()->initialize(CHECK_0); \ |
| 4006 | 1894 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 1895 va_end(args); \ | |
| 1896 ret = jvalue.get_##ResultType(); \ | |
| 1897 return ret;\ | |
| 1898 JNI_END | |
| 1899 | |
| 1900 // the runtime type of subword integral basic types is integer | |
| 1901 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1902 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1903 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 1904 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 1905 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1906 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 1907 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 1908 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1909 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 1910 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 1911 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1912 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 1913 | |
| 1914 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 1915 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1916 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 1917 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 1918 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1919 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 1920 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 1921 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1922 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 1923 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1924 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 1925 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1926 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 1927 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 1928 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1929 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 1930 | |
| 1931 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 1932 , EntryProbe, ResultProbe) \ | |
| 1933 \ | |
| 1934 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 1935 , ResultProbe); \ | |
| 1936 \ | |
| 1937 JNI_ENTRY(ResultType, \ | |
| 1938 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1939 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 1940 \ | |
| 1941 EntryProbe; \ | |
| 1942 ResultType ret = 0;\ | |
| 1943 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 1944 (const ResultType&)ret);\ | |
| 1945 \ | |
| 1946 JavaValue jvalue(Tag); \ | |
| 1947 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1948 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 1949 ret = jvalue.get_##ResultType(); \ | |
| 1950 return ret;\ | |
| 1951 JNI_END | |
| 1952 | |
| 1953 // the runtime type of subword integral basic types is integer | |
| 1954 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1955 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1956 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 1957 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 1958 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1959 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 1960 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 1961 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1962 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 1963 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 1964 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1965 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 1966 | |
| 1967 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 1968 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1969 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 1970 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 1971 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1972 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 1973 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 1974 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1975 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 1976 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1977 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 1978 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1979 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 1980 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 1981 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 1982 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 1983 | |
| 1984 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 1985 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 1986 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 1987 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 1988 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 1989 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 1990 | |
| 0 | 1991 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 1992 JNIWrapper("CallStaticVoidMethod"); | |
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1993 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY(env, cls, (uintptr_t) methodID); |
| 0 | 1994 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 1995 | |
| 1996 va_list args; | |
| 1997 va_start(args, methodID); | |
| 1998 JavaValue jvalue(T_VOID); | |
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1999 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2000 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2001 va_end(args); | |
| 2002 JNI_END | |
| 2003 | |
| 2004 | |
| 2005 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2006 JNIWrapper("CallStaticVoidMethodV"); | |
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2007 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY(env, cls, (uintptr_t) methodID); |
| 0 | 2008 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2009 | |
| 2010 JavaValue jvalue(T_VOID); | |
|
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2011 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2012 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2013 JNI_END | |
| 2014 | |
| 2015 | |
| 2016 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2017 JNIWrapper("CallStaticVoidMethodA"); | |
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2018 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY(env, cls, (uintptr_t) methodID); |
| 0 | 2019 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2020 | |
| 2021 JavaValue jvalue(T_VOID); | |
|
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2022 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2023 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2024 JNI_END | |
| 2025 | |
| 2026 | |
| 2027 // | |
| 2028 // Accessing Fields | |
| 2029 // | |
| 2030 | |
| 2031 | |
| 4006 | 2032 DT_RETURN_MARK_DECL(GetFieldID, jfieldID |
| 2033 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 0 | 2034 |
| 2035 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2036 const char *name, const char *sig)) | |
| 2037 JNIWrapper("GetFieldID"); | |
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2038 HOTSPOT_JNI_GETFIELDID_ENTRY(env, clazz, (char *) name, (char *) sig); |
| 0 | 2039 jfieldID ret = 0; |
| 2040 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2041 | |
| 2042 // The class should have been loaded (we have an instance of the class | |
| 2043 // passed in) so the field and signature should already be in the symbol | |
| 2044 // table. If they're not there, the field doesn't exist. | |
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2045 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2046 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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2047 if (fieldname == NULL || signame == NULL) { |
| 0 | 2048 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2049 } | |
| 2050 KlassHandle k(THREAD, | |
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2051 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2052 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2053 k()->initialize(CHECK_NULL); |
| 0 | 2054 |
| 2055 fieldDescriptor fd; | |
| 6983 | 2056 if (!k()->oop_is_instance() || |
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2057 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2058 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2059 } | |
| 2060 | |
| 2061 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2062 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2063 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2064 return ret; | |
| 2065 JNI_END | |
| 2066 | |
| 2067 | |
| 2068 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2069 JNIWrapper("GetObjectField"); | |
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2070 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY(env, obj, (uintptr_t) fieldID); |
| 0 | 2071 oop o = JNIHandles::resolve_non_null(obj); |
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2072 Klass* k = o->klass(); |
| 0 | 2073 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2074 // Keep JVMTI addition small and only check enabled flag here. | |
| 2075 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2076 if (JvmtiExport::should_post_field_access()) { | |
| 2077 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2078 } | |
| 2079 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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2080 #if INCLUDE_ALL_GCS |
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2081 // If G1 is enabled and we are accessing the value of the referent |
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2082 // field in a reference object then we need to register a non-null |
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2083 // referent with the SATB barrier. |
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2084 if (UseG1GC) { |
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2085 bool needs_barrier = false; |
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2086 |
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2087 if (ret != NULL && |
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2088 offset == java_lang_ref_Reference::referent_offset && |
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2089 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2090 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
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2091 needs_barrier = true; |
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2092 } |
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2093 |
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2094 if (needs_barrier) { |
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2095 oop referent = JNIHandles::resolve(ret); |
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2096 G1SATBCardTableModRefBS::enqueue(referent); |
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2097 } |
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2098 } |
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2099 #endif // INCLUDE_ALL_GCS |
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2100 HOTSPOT_JNI_GETOBJECTFIELD_RETURN(ret); |
| 0 | 2101 return ret; |
| 2102 JNI_END | |
| 2103 | |
| 2104 | |
| 4006 | 2105 |
| 2106 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2107 , EntryProbe, ReturnProbe) \ | |
| 2108 \ | |
| 2109 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2110 , ReturnProbe); \ | |
| 2111 \ | |
| 2112 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2113 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2114 \ | |
| 2115 EntryProbe; \ | |
| 2116 Return ret = 0;\ | |
| 2117 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2118 \ | |
| 2119 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2120 Klass* k = o->klass(); \ |
| 4006 | 2121 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2122 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2123 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2124 /* and creates a ResetNoHandleMark. */ \ | |
| 2125 if (JvmtiExport::should_post_field_access()) { \ | |
| 2126 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2127 } \ | |
| 2128 ret = o->Fieldname##_field(offset); \ | |
| 2129 return ret; \ | |
| 2130 JNI_END | |
| 2131 | |
| 2132 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2133 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2134 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2135 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2136 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2137 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2138 DEFINE_GETFIELD(jchar, char, Char | |
| 2139 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2140 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2141 DEFINE_GETFIELD(jshort, short, Short | |
| 2142 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2143 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2144 DEFINE_GETFIELD(jint, int, Int | |
| 2145 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2146 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2147 DEFINE_GETFIELD(jlong, long, Long | |
| 2148 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2149 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2150 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2151 DEFINE_GETFIELD(jfloat, float, Float | |
| 2152 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2153 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2154 DEFINE_GETFIELD(jdouble, double, Double | |
| 2155 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2156 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2157 | |
| 0 | 2158 address jni_GetBooleanField_addr() { |
| 2159 return (address)jni_GetBooleanField; | |
| 2160 } | |
| 2161 address jni_GetByteField_addr() { | |
| 2162 return (address)jni_GetByteField; | |
| 2163 } | |
| 2164 address jni_GetCharField_addr() { | |
| 2165 return (address)jni_GetCharField; | |
| 2166 } | |
| 2167 address jni_GetShortField_addr() { | |
| 2168 return (address)jni_GetShortField; | |
| 2169 } | |
| 2170 address jni_GetIntField_addr() { | |
| 2171 return (address)jni_GetIntField; | |
| 2172 } | |
| 2173 address jni_GetLongField_addr() { | |
| 2174 return (address)jni_GetLongField; | |
| 2175 } | |
| 2176 address jni_GetFloatField_addr() { | |
| 2177 return (address)jni_GetFloatField; | |
| 2178 } | |
| 2179 address jni_GetDoubleField_addr() { | |
| 2180 return (address)jni_GetDoubleField; | |
| 2181 } | |
| 2182 | |
| 2183 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2184 JNIWrapper("SetObjectField"); | |
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2185 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY(env, obj, (uintptr_t) fieldID, value); |
| 0 | 2186 oop o = JNIHandles::resolve_non_null(obj); |
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2187 Klass* k = o->klass(); |
| 0 | 2188 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2189 // Keep JVMTI addition small and only check enabled flag here. | |
| 2190 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2191 // and creates a ResetNoHandleMark. | |
| 2192 if (JvmtiExport::should_post_field_modification()) { | |
| 2193 jvalue field_value; | |
| 2194 field_value.l = value; | |
| 2195 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2196 } | |
| 2197 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
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2198 HOTSPOT_JNI_SETOBJECTFIELD_RETURN(); |
| 0 | 2199 JNI_END |
| 2200 | |
| 4006 | 2201 |
| 2202 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2203 , EntryProbe, ReturnProbe) \ | |
| 2204 \ | |
| 2205 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2206 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2207 \ | |
| 2208 EntryProbe; \ | |
| 2209 \ | |
| 2210 oop o = JNIHandles::resolve_non_null(obj); \ | |
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2211 Klass* k = o->klass(); \ |
| 4006 | 2212 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2213 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2214 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2215 /* and creates a ResetNoHandleMark. */ \ | |
| 2216 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2217 jvalue field_value; \ | |
| 2218 field_value.unionType = value; \ | |
| 2219 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2220 } \ | |
| 2221 o->Fieldname##_field_put(offset, value); \ | |
| 2222 ReturnProbe; \ | |
| 2223 JNI_END | |
| 2224 | |
| 2225 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2226 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2227 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2228 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2229 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2230 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2231 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2232 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2233 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2234 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2235 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2236 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2237 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2238 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2239 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2240 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2241 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2242 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2243 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2244 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2245 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2246 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2247 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2248 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2249 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 14380 | 2250 |
| 4006 | 2251 DT_RETURN_MARK_DECL(ToReflectedField, jobject |
| 2252 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 0 | 2253 |
| 2254 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2255 JNIWrapper("ToReflectedField"); | |
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2256 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY(env, cls, (uintptr_t) fieldID, isStatic); |
| 0 | 2257 jobject ret = NULL; |
| 2258 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2259 | |
| 2260 fieldDescriptor fd; | |
| 2261 bool found = false; | |
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2262 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2263 |
| 2264 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2265 | |
| 2266 if (isStatic) { | |
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2267 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2268 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2269 assert(id->is_static_field_id(), "invalid static field id"); | |
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2270 found = id->find_local_field(&fd); |
| 0 | 2271 } else { |
| 2272 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2273 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
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2274 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2275 } |
| 2276 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2277 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2278 ret = JNIHandles::make_local(env, reflected); | |
| 2279 return ret; | |
| 2280 JNI_END | |
| 2281 | |
| 2282 | |
| 2283 // | |
| 2284 // Accessing Static Fields | |
| 2285 // | |
| 4006 | 2286 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID |
| 2287 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 0 | 2288 |
| 2289 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2290 const char *name, const char *sig)) | |
| 2291 JNIWrapper("GetStaticFieldID"); | |
|
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|
2292 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY(env, clazz, (char *) name, (char *) sig); |
| 0 | 2293 jfieldID ret = NULL; |
| 2294 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2295 | |
| 2296 // The class should have been loaded (we have an instance of the class | |
| 2297 // passed in) so the field and signature should already be in the symbol | |
| 2298 // table. If they're not there, the field doesn't exist. | |
|
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changeset
|
2299 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2300 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2301 if (fieldname == NULL || signame == NULL) { |
| 0 | 2302 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2303 } | |
| 2304 KlassHandle k(THREAD, | |
|
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|
2305 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2306 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2307 k()->initialize(CHECK_NULL); |
| 0 | 2308 |
| 2309 fieldDescriptor fd; | |
| 6983 | 2310 if (!k()->oop_is_instance() || |
|
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|
2311 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2312 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2313 } | |
| 2314 | |
|
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|
2315 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
2316 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2317 debug_only(id->set_is_static_field_id();) |
| 2318 | |
|
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|
2319 debug_only(id->verify(fd.field_holder())); |
| 0 | 2320 |
| 2321 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2322 return ret; | |
| 2323 JNI_END | |
| 2324 | |
| 2325 | |
| 2326 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2327 JNIWrapper("GetStaticObjectField"); | |
|
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|
2328 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID); |
|
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|
2329 #if INCLUDE_JNI_CHECK |
|
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2330 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2331 #endif // INCLUDE_JNI_CHECK |
| 0 | 2332 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2333 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2334 // Keep JVMTI addition small and only check enabled flag here. | |
| 2335 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2336 if (JvmtiExport::should_post_field_access()) { | |
| 2337 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2338 } | |
|
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2339 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
|
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|
2340 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN(ret); |
| 0 | 2341 return ret; |
| 2342 JNI_END | |
| 2343 | |
| 4006 | 2344 |
| 2345 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 2346 , EntryProbe, ReturnProbe) \ | |
| 2347 \ | |
| 2348 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 2349 , ReturnProbe); \ | |
| 2350 \ | |
| 2351 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 2352 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 2353 EntryProbe; \ | |
| 2354 Return ret = 0;\ | |
| 2355 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 2356 (const Return&)ret);\ | |
| 2357 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 2358 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 2359 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2360 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 2361 if (JvmtiExport::should_post_field_access()) { \ | |
| 2362 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 2363 } \ | |
| 2364 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 2365 return ret;\ | |
| 2366 JNI_END | |
| 2367 | |
| 2368 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 2369 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2370 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 2371 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 2372 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 2373 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 2374 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 2375 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 2376 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 2377 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 2378 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 2379 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 2380 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2381 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 2382 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 2383 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 2384 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 0 | 2385 |
| 2386 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 2387 JNIWrapper("SetStaticObjectField"); | |
|
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2388 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value); |
| 0 | 2389 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2390 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2391 // Keep JVMTI addition small and only check enabled flag here. | |
| 2392 // jni_SetField_probe() assumes that is okay to create handles. | |
| 2393 if (JvmtiExport::should_post_field_modification()) { | |
| 2394 jvalue field_value; | |
| 2395 field_value.l = value; | |
| 2396 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 2397 } | |
|
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|
2398 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
|
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|
2399 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN(); |
| 0 | 2400 JNI_END |
| 2401 | |
| 2402 | |
| 4006 | 2403 |
| 2404 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2405 , EntryProbe, ReturnProbe) \ | |
| 2406 \ | |
| 2407 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 2408 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 2409 EntryProbe; \ | |
| 2410 \ | |
| 2411 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 2412 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 2413 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2414 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 2415 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2416 jvalue field_value; \ | |
| 2417 field_value.unionType = value; \ | |
| 2418 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 2419 } \ | |
| 2420 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 2421 ReturnProbe;\ | |
| 2422 JNI_END | |
| 2423 | |
| 2424 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
|
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diff
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|
2425 , HOTSPOT_JNI_SETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), |
| 4006 | 2426 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) |
| 2427 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 2428 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 2429 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 2430 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 2431 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 2432 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 2433 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 2434 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 2435 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 2436 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 2437 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 2438 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 2439 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 2440 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 2441 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 2442 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2443 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 2444 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 2445 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 2446 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 2447 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 2448 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 0 | 2449 |
| 2450 // | |
| 2451 // String Operations | |
| 2452 // | |
| 2453 | |
| 2454 // Unicode Interface | |
| 2455 | |
| 4006 | 2456 DT_RETURN_MARK_DECL(NewString, jstring |
| 2457 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 0 | 2458 |
| 2459 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 2460 JNIWrapper("NewString"); | |
|
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|
2461 HOTSPOT_JNI_NEWSTRING_ENTRY(env, (uint16_t *) unicodeChars, len); |
| 0 | 2462 jstring ret = NULL; |
| 2463 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 2464 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 2465 ret = (jstring) JNIHandles::make_local(env, string); | |
| 2466 return ret; | |
| 2467 JNI_END | |
| 2468 | |
| 2469 | |
| 2470 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 2471 JNIWrapper("GetStringLength"); | |
|
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|
2472 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY(env, string); |
|
12819
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|
2473 jsize ret = 0; |
|
f9be370a7d54
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|
2474 oop s = JNIHandles::resolve_non_null(string); |
|
f9be370a7d54
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|
2475 if (java_lang_String::value(s) != NULL) { |
|
f9be370a7d54
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|
2476 ret = java_lang_String::length(s); |
|
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|
2477 } |
|
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|
2478 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN(ret); |
| 0 | 2479 return ret; |
| 2480 JNI_END | |
| 2481 | |
| 2482 | |
| 2483 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 2484 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 2485 JNIWrapper("GetStringChars"); | |
|
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|
2486 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY(env, string, (uintptr_t *) isCopy); |
|
12819
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|
2487 jchar* buf = NULL; |
| 0 | 2488 oop s = JNIHandles::resolve_non_null(string); |
| 2489 typeArrayOop s_value = java_lang_String::value(s); | |
|
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|
2490 if (s_value != NULL) { |
|
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|
2491 int s_len = java_lang_String::length(s); |
|
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|
2492 int s_offset = java_lang_String::offset(s); |
|
f9be370a7d54
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|
2493 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
f9be370a7d54
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|
2494 /* JNI Specification states return NULL on OOM */ |
|
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|
2495 if (buf != NULL) { |
|
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|
2496 if (s_len > 0) { |
|
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|
2497 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
f9be370a7d54
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|
2498 } |
|
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|
2499 buf[s_len] = 0; |
|
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|
2500 //%note jni_5 |
|
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|
2501 if (isCopy != NULL) { |
|
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|
2502 *isCopy = JNI_TRUE; |
|
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|
2503 } |
|
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|
2504 } |
| 0 | 2505 } |
|
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|
2506 HOTSPOT_JNI_GETSTRINGCHARS_RETURN(buf); |
| 0 | 2507 return buf; |
| 2508 JNI_END | |
| 2509 | |
| 2510 | |
| 2511 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 2512 JNIWrapper("ReleaseStringChars"); | |
|
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|
2513 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY(env, str, (uint16_t *) chars); |
| 0 | 2514 //%note jni_6 |
| 2515 if (chars != NULL) { | |
| 2516 // Since String objects are supposed to be immutable, don't copy any | |
| 2517 // new data back. A bad user will have to go after the char array. | |
| 2518 FreeHeap((void*) chars); | |
| 2519 } | |
|
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|
2520 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN(); |
| 0 | 2521 JNI_END |
| 2522 | |
| 2523 | |
| 2524 // UTF Interface | |
| 2525 | |
| 4006 | 2526 DT_RETURN_MARK_DECL(NewStringUTF, jstring |
| 2527 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 0 | 2528 |
| 2529 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 2530 JNIWrapper("NewStringUTF"); | |
|
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2531 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY(env, (char *) bytes); |
| 0 | 2532 jstring ret; |
| 2533 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 2534 | |
| 2535 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 2536 ret = (jstring) JNIHandles::make_local(env, result); | |
| 2537 return ret; | |
| 2538 JNI_END | |
| 2539 | |
| 2540 | |
| 2541 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 2542 JNIWrapper("GetStringUTFLength"); | |
|
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2543 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY(env, string); |
|
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|
2544 jsize ret = 0; |
|
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|
2545 oop java_string = JNIHandles::resolve_non_null(string); |
|
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|
2546 if (java_lang_String::value(java_string) != NULL) { |
|
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|
2547 ret = java_lang_String::utf8_length(java_string); |
|
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|
2548 } |
|
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|
2549 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN(ret); |
| 0 | 2550 return ret; |
| 2551 JNI_END | |
| 2552 | |
| 2553 | |
| 2554 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 2555 JNIWrapper("GetStringUTFChars"); | |
|
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2556 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY(env, string, (uintptr_t *) isCopy); |
|
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|
2557 char* result = NULL; |
|
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diff
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|
2558 oop java_string = JNIHandles::resolve_non_null(string); |
|
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2559 if (java_lang_String::value(java_string) != NULL) { |
|
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|
2560 size_t length = java_lang_String::utf8_length(java_string); |
|
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|
2561 /* JNI Specification states return NULL on OOM */ |
|
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|
2562 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
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2563 if (result != NULL) { |
|
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|
2564 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
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|
2565 if (isCopy != NULL) { |
|
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|
2566 *isCopy = JNI_TRUE; |
|
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|
2567 } |
|
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2568 } |
|
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|
2569 } |
|
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|
2570 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN(result); |
| 0 | 2571 return result; |
| 2572 JNI_END | |
| 2573 | |
| 2574 | |
| 2575 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 2576 JNIWrapper("ReleaseStringUTFChars"); | |
|
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|
2577 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY(env, str, (char *) chars); |
| 0 | 2578 if (chars != NULL) { |
| 2579 FreeHeap((char*) chars); | |
| 2580 } | |
|
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|
2581 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN(); |
| 0 | 2582 JNI_END |
| 2583 | |
| 2584 | |
| 2585 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 2586 JNIWrapper("GetArrayLength"); | |
|
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|
2587 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY(env, array); |
| 0 | 2588 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 2589 assert(a->is_array(), "must be array"); | |
| 2590 jsize ret = a->length(); | |
|
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|
2591 HOTSPOT_JNI_GETARRAYLENGTH_RETURN(ret); |
| 0 | 2592 return ret; |
| 2593 JNI_END | |
| 2594 | |
| 2595 | |
| 2596 // | |
| 2597 // Object Array Operations | |
| 2598 // | |
| 2599 | |
| 4006 | 2600 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray |
| 2601 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 0 | 2602 |
| 2603 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 2604 JNIWrapper("NewObjectArray"); | |
|
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|
2605 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY(env, length, elementClass, initialElement); |
| 0 | 2606 jobjectArray ret = NULL; |
| 2607 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
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6964458: Reimplement class meta-data storage to use native memory
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|
2608 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 2609 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 2610 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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diff
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|
2611 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
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|
2612 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 2613 oop initial_value = JNIHandles::resolve(initialElement); |
| 2614 if (initial_value != NULL) { // array already initialized with NULL | |
| 2615 for (int index = 0; index < length; index++) { | |
| 2616 result->obj_at_put(index, initial_value); | |
| 2617 } | |
| 2618 } | |
| 2619 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 2620 return ret; | |
| 2621 JNI_END | |
| 2622 | |
| 4006 | 2623 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject |
| 2624 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 0 | 2625 |
| 2626 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 2627 JNIWrapper("GetObjectArrayElement"); | |
|
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|
2628 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY(env, array, index); |
| 0 | 2629 jobject ret = NULL; |
| 2630 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 2631 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 2632 if (a->is_within_bounds(index)) { | |
|
1034
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973
diff
changeset
|
2633 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 2634 return ret; |
| 2635 } else { | |
| 2636 char buf[jintAsStringSize]; | |
| 2637 sprintf(buf, "%d", index); | |
| 2638 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 2639 } | |
| 2640 JNI_END | |
| 2641 | |
| 4006 | 2642 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement |
| 2643 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 0 | 2644 |
| 2645 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 2646 JNIWrapper("SetObjectArrayElement"); | |
|
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|
2647 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY(env, array, index, value); |
| 0 | 2648 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 2649 | |
| 2650 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 2651 oop v = JNIHandles::resolve(value); | |
| 2652 if (a->is_within_bounds(index)) { | |
|
6831
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6725
diff
changeset
|
2653 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 2654 a->obj_at_put(index, v); |
| 2655 } else { | |
| 2656 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 2657 } | |
| 2658 } else { | |
| 2659 char buf[jintAsStringSize]; | |
| 2660 sprintf(buf, "%d", index); | |
| 2661 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 2662 } | |
| 2663 JNI_END | |
| 2664 | |
| 2665 | |
| 4006 | 2666 |
| 2667 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 2668 ,EntryProbe,ReturnProbe) \ | |
| 2669 \ | |
| 2670 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 2671 , ReturnProbe); \ | |
| 2672 \ | |
| 2673 JNI_ENTRY(Return, \ | |
| 2674 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 2675 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 2676 EntryProbe; \ | |
| 2677 Return ret = NULL;\ | |
| 2678 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 2679 \ | |
| 2680 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 2681 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 2682 return ret;\ | |
| 2683 JNI_END | |
| 2684 | |
| 2685 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 2686 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 2687 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 2688 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 2689 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 2690 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 2691 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 2692 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 2693 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 2694 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 2695 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 2696 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 2697 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 2698 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 2699 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 2700 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 2701 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 2702 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 2703 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 2704 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 2705 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 2706 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 2707 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 2708 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 0 | 2709 |
| 2710 // Return an address which will fault if the caller writes to it. | |
| 2711 | |
| 2712 static char* get_bad_address() { | |
| 2713 static char* bad_address = NULL; | |
| 2714 if (bad_address == NULL) { | |
| 2715 size_t size = os::vm_allocation_granularity(); | |
| 2716 bad_address = os::reserve_memory(size); | |
| 2717 if (bad_address != NULL) { | |
|
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|
2718 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
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|
2719 /*is_committed*/false); |
| 0 | 2720 } |
| 2721 } | |
| 2722 return bad_address; | |
| 2723 } | |
| 2724 | |
| 2725 | |
| 4006 | 2726 |
| 2727 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 2728 , EntryProbe, ReturnProbe) \ | |
| 2729 \ | |
| 2730 JNI_QUICK_ENTRY(ElementType*, \ | |
| 2731 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 2732 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 2733 EntryProbe; \ | |
| 2734 /* allocate an chunk of memory in c land */ \ | |
| 2735 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 2736 ElementType* result; \ | |
| 2737 int len = a->length(); \ | |
| 2738 if (len == 0) { \ | |
| 2739 /* Empty array: legal but useless, can't return NULL. \ | |
| 2740 * Return a pointer to something useless. \ | |
| 2741 * Avoid asserts in typeArrayOop. */ \ | |
| 2742 result = (ElementType*)get_bad_address(); \ | |
| 2743 } else { \ | |
|
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2744 /* JNI Specification states return NULL on OOM */ \ |
|
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|
2745 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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|
2746 if (result != NULL) { \ |
|
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|
2747 /* copy the array to the c chunk */ \ |
|
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diff
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|
2748 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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|
2749 if (isCopy) { \ |
|
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|
2750 *isCopy = JNI_TRUE; \ |
|
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|
2751 } \ |
|
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|
2752 } \ |
| 4006 | 2753 } \ |
| 2754 ReturnProbe; \ | |
| 2755 return result; \ | |
| 2756 JNI_END | |
| 2757 | |
| 2758 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 2759 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 2760 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 2761 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 2762 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 2763 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 2764 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 2765 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 2766 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 2767 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 2768 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 2769 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 2770 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 2771 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 2772 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 2773 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 2774 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 2775 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 2776 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2777 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 2778 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 2779 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 2780 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 2781 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 2782 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 14380 | 2783 |
| 4006 | 2784 |
| 2785 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 2786 , EntryProbe, ReturnProbe);\ | |
| 2787 \ | |
| 2788 JNI_QUICK_ENTRY(void, \ | |
| 2789 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 2790 ElementType *buf, jint mode)) \ | |
| 2791 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 2792 EntryProbe; \ | |
| 2793 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 2794 int len = a->length(); \ | |
| 2795 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 2796 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 2797 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 2798 } \ | |
| 2799 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 2800 FreeHeap(buf); \ | |
| 2801 } \ | |
| 2802 } \ | |
| 2803 ReturnProbe; \ | |
| 2804 JNI_END | |
| 2805 | |
| 2806 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 2807 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 2808 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 2809 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 2810 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 2811 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 2812 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 2813 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 2814 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 2815 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 2816 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 2817 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 2818 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 2819 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 2820 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 2821 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 2822 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 2823 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 2824 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 2825 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 2826 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 2827 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 2828 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 2829 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 14380 | 2830 |
| 4006 | 2831 |
| 2832 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 2833 , EntryProbe, ReturnProbe); \ | |
| 2834 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 2835 , ReturnProbe); \ | |
| 2836 \ | |
| 2837 JNI_ENTRY(void, \ | |
| 2838 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 2839 jsize len, ElementType *buf)) \ | |
| 2840 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 2841 EntryProbe; \ | |
| 2842 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 2843 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 2844 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 2845 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 2846 } else { \ | |
| 2847 if (len > 0) { \ | |
|
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2848 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 2849 memcpy((u_char*) buf, \ |
| 2850 (u_char*) src->Tag##_at_addr(start), \ | |
| 2851 len << sc); \ | |
| 2852 } \ | |
| 2853 } \ | |
| 2854 JNI_END | |
| 2855 | |
| 2856 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 2857 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 2858 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 2859 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 2860 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 2861 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 2862 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 2863 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 2864 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 2865 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 2866 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 2867 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 2868 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 2869 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 2870 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 2871 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 2872 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 2873 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 2874 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 2875 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 2876 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 2877 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 2878 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 2879 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 14380 | 2880 |
| 4006 | 2881 |
| 2882 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 2883 , EntryProbe, ReturnProbe); \ | |
| 2884 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 2885 ,ReturnProbe); \ | |
| 2886 \ | |
| 2887 JNI_ENTRY(void, \ | |
| 2888 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 2889 jsize len, const ElementType *buf)) \ | |
| 2890 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 2891 EntryProbe; \ | |
| 2892 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 2893 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 2894 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 2895 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 2896 } else { \ | |
| 2897 if (len > 0) { \ | |
|
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2898 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 2899 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 2900 (u_char*) buf, \ | |
| 2901 len << sc); \ | |
| 2902 } \ | |
| 2903 } \ | |
| 2904 JNI_END | |
| 2905 | |
| 2906 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 2907 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 2908 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 2909 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 2910 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 2911 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 2912 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 2913 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 2914 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 2915 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 2916 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 2917 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 2918 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 2919 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 2920 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 2921 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 2922 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 2923 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 2924 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 2925 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 2926 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 2927 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 2928 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 2929 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 2930 | |
| 0 | 2931 |
| 2932 // | |
| 2933 // Interception of natives | |
| 2934 // | |
| 2935 | |
| 2936 // The RegisterNatives call being attempted tried to register with a method that | |
| 2937 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 2938 // to see if the native method is now wrapped with the prefixes. See the | |
| 2939 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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2940 static Method* find_prefixed_native(KlassHandle k, |
|
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2941 Symbol* name, Symbol* signature, TRAPS) { |
|
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2942 #if INCLUDE_JVMTI |
| 0 | 2943 ResourceMark rm(THREAD); |
|
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2944 Method* method; |
| 0 | 2945 int name_len = name->utf8_length(); |
| 2946 char* name_str = name->as_utf8(); | |
| 2947 int prefix_count; | |
| 2948 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 2949 for (int i = 0; i < prefix_count; i++) { | |
| 2950 char* prefix = prefixes[i]; | |
| 2951 int prefix_len = (int)strlen(prefix); | |
| 2952 | |
| 2953 // try adding this prefix to the method name and see if it matches another method name | |
| 2954 int trial_len = name_len + prefix_len; | |
| 2955 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 2956 strcpy(trial_name_str, prefix); | |
| 2957 strcat(trial_name_str, name_str); | |
|
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2958 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
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|
2959 if (trial_name == NULL) { |
| 0 | 2960 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 2961 } | |
| 6983 | 2962 method = k()->lookup_method(trial_name, signature); |
| 0 | 2963 if (method == NULL) { |
| 2964 continue; // signature doesn't match, try the next prefix | |
| 2965 } | |
| 2966 if (method->is_native()) { | |
| 2967 method->set_is_prefixed_native(); | |
| 2968 return method; // wahoo, we found a prefixed version of the method, return it | |
| 2969 } | |
| 2970 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 2971 name_len = trial_len; | |
| 2972 name_str = trial_name_str; | |
| 2973 } | |
|
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|
2974 #endif // INCLUDE_JVMTI |
| 0 | 2975 return NULL; // not found |
| 2976 } | |
| 2977 | |
|
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|
2978 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 2979 Method* method = k()->lookup_method(name, signature); |
| 0 | 2980 if (method == NULL) { |
| 2981 ResourceMark rm; | |
| 2982 stringStream st; | |
| 2983 st.print("Method %s name or signature does not match", | |
| 6983 | 2984 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 2985 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 2986 } | |
| 2987 if (!method->is_native()) { | |
| 2988 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 2989 method = find_prefixed_native(k, name, signature, THREAD); | |
| 2990 if (method == NULL) { | |
| 2991 ResourceMark rm; | |
| 2992 stringStream st; | |
| 2993 st.print("Method %s is not declared as native", | |
| 6983 | 2994 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 2995 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 2996 } | |
| 2997 } | |
| 2998 | |
| 2999 if (entry != NULL) { | |
| 3000 method->set_native_function(entry, | |
|
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|
3001 Method::native_bind_event_is_interesting); |
| 0 | 3002 } else { |
| 3003 method->clear_native_function(); | |
| 3004 } | |
| 3005 if (PrintJNIResolving) { | |
| 3006 ResourceMark rm(THREAD); | |
| 3007 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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|
3008 method->method_holder()->external_name(), |
| 0 | 3009 method->name()->as_C_string()); |
| 3010 } | |
| 3011 return true; | |
| 3012 } | |
| 3013 | |
| 4006 | 3014 DT_RETURN_MARK_DECL(RegisterNatives, jint |
| 3015 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 0 | 3016 |
| 3017 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 3018 const JNINativeMethod *methods, | |
| 3019 jint nMethods)) | |
| 3020 JNIWrapper("RegisterNatives"); | |
|
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|
3021 HOTSPOT_JNI_REGISTERNATIVES_ENTRY(env, clazz, (void *) methods, nMethods); |
| 0 | 3022 jint ret = 0; |
| 3023 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 3024 | |
|
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3025 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 3026 |
| 3027 for (int index = 0; index < nMethods; index++) { | |
| 3028 const char* meth_name = methods[index].name; | |
| 3029 const char* meth_sig = methods[index].signature; | |
| 3030 int meth_name_len = (int)strlen(meth_name); | |
| 3031 | |
| 3032 // The class should have been loaded (we have an instance of the class | |
| 3033 // passed in) so the method and signature should already be in the symbol | |
| 3034 // table. If they're not there, the method doesn't exist. | |
|
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|
3035 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
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|
3036 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
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|
3037 |
|
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|
3038 if (name == NULL || signature == NULL) { |
| 0 | 3039 ResourceMark rm; |
| 3040 stringStream st; | |
| 6983 | 3041 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 3042 // Must return negative value on failure |
| 3043 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 3044 } | |
| 3045 | |
| 3046 bool res = register_native(h_k, name, signature, | |
| 3047 (address) methods[index].fnPtr, THREAD); | |
| 3048 if (!res) { | |
| 3049 ret = -1; | |
| 3050 break; | |
| 3051 } | |
| 3052 } | |
| 3053 return ret; | |
| 3054 JNI_END | |
| 3055 | |
| 3056 | |
| 3057 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 3058 JNIWrapper("UnregisterNatives"); | |
|
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|
3059 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY(env, clazz); |
|
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3060 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 3061 //%note jni_2 |
| 6983 | 3062 if (k->oop_is_instance()) { |
|
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|
3063 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
3064 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 3065 if (m->is_native()) { |
| 3066 m->clear_native_function(); | |
| 3067 m->set_signature_handler(NULL); | |
| 3068 } | |
| 3069 } | |
| 3070 } | |
|
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|
3071 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN(0); |
| 0 | 3072 return 0; |
| 3073 JNI_END | |
| 3074 | |
| 3075 // | |
| 3076 // Monitor functions | |
| 3077 // | |
| 3078 | |
| 4006 | 3079 DT_RETURN_MARK_DECL(MonitorEnter, jint |
| 3080 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 0 | 3081 |
| 3082 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
|
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|
3083 HOTSPOT_JNI_MONITORENTER_ENTRY(env, jobj); |
| 0 | 3084 jint ret = JNI_ERR; |
| 3085 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 3086 | |
| 3087 // If the object is null, we can't do anything with it | |
| 3088 if (jobj == NULL) { | |
| 3089 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 3090 } | |
| 3091 | |
| 3092 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 3093 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 3094 ret = JNI_OK; | |
| 3095 return ret; | |
| 3096 JNI_END | |
| 3097 | |
| 4006 | 3098 DT_RETURN_MARK_DECL(MonitorExit, jint |
| 3099 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 0 | 3100 |
| 3101 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
|
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|
3102 HOTSPOT_JNI_MONITOREXIT_ENTRY(env, jobj); |
| 0 | 3103 jint ret = JNI_ERR; |
| 3104 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 3105 | |
| 3106 // Don't do anything with a null object | |
| 3107 if (jobj == NULL) { | |
| 3108 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 3109 } | |
| 3110 | |
| 3111 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 3112 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 3113 | |
| 3114 ret = JNI_OK; | |
| 3115 return ret; | |
| 3116 JNI_END | |
| 3117 | |
| 3118 // | |
| 3119 // Extensions | |
| 3120 // | |
| 3121 | |
| 4006 | 3122 DT_VOID_RETURN_MARK_DECL(GetStringRegion |
| 3123 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 0 | 3124 |
| 3125 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 3126 JNIWrapper("GetStringRegion"); | |
|
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|
3127 HOTSPOT_JNI_GETSTRINGREGION_ENTRY(env, string, start, len, buf); |
| 0 | 3128 DT_VOID_RETURN_MARK(GetStringRegion); |
| 3129 oop s = JNIHandles::resolve_non_null(string); | |
| 3130 int s_len = java_lang_String::length(s); | |
| 3131 if (start < 0 || len < 0 || start + len > s_len) { | |
| 3132 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 3133 } else { | |
| 3134 if (len > 0) { | |
| 3135 int s_offset = java_lang_String::offset(s); | |
| 3136 typeArrayOop s_value = java_lang_String::value(s); | |
| 3137 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 3138 } | |
| 3139 } | |
| 3140 JNI_END | |
| 3141 | |
| 4006 | 3142 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion |
| 3143 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 0 | 3144 |
| 3145 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 3146 JNIWrapper("GetStringUTFRegion"); | |
|
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|
3147 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY(env, string, start, len, buf); |
| 0 | 3148 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 3149 oop s = JNIHandles::resolve_non_null(string); | |
| 3150 int s_len = java_lang_String::length(s); | |
| 3151 if (start < 0 || len < 0 || start + len > s_len) { | |
| 3152 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 3153 } else { | |
| 3154 //%note jni_7 | |
| 3155 if (len > 0) { | |
| 3156 ResourceMark rm(THREAD); | |
| 3157 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 3158 int utf_len = (int)strlen(utf_region); | |
| 3159 memcpy(buf, utf_region, utf_len); | |
| 3160 buf[utf_len] = 0; | |
| 3161 } else { | |
| 3162 // JDK null-terminates the buffer even in len is zero | |
| 3163 if (buf != NULL) { | |
| 3164 buf[0] = 0; | |
| 3165 } | |
| 3166 } | |
| 3167 } | |
| 3168 JNI_END | |
| 3169 | |
| 3170 | |
| 3171 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 3172 JNIWrapper("GetPrimitiveArrayCritical"); | |
|
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|
3173 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY(env, array, (uintptr_t *) isCopy); |
| 0 | 3174 GC_locker::lock_critical(thread); |
| 3175 if (isCopy != NULL) { | |
| 3176 *isCopy = JNI_FALSE; | |
| 3177 } | |
| 3178 oop a = JNIHandles::resolve_non_null(array); | |
| 3179 assert(a->is_array(), "just checking"); | |
| 3180 BasicType type; | |
| 3181 if (a->is_objArray()) { | |
| 3182 type = T_OBJECT; | |
| 3183 } else { | |
|
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|
3184 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 3185 } |
| 3186 void* ret = arrayOop(a)->base(type); | |
|
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|
3187 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN(ret); |
| 0 | 3188 return ret; |
| 3189 JNI_END | |
| 3190 | |
| 3191 | |
| 3192 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 3193 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
|
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|
3194 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY(env, array, carray, mode); |
| 0 | 3195 // The array, carray and mode arguments are ignored |
| 3196 GC_locker::unlock_critical(thread); | |
|
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|
3197 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN(); |
| 0 | 3198 JNI_END |
| 3199 | |
| 3200 | |
| 3201 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3202 JNIWrapper("GetStringCritical"); | |
|
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|
3203 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY(env, string, (uintptr_t *) isCopy); |
| 0 | 3204 GC_locker::lock_critical(thread); |
| 3205 if (isCopy != NULL) { | |
| 3206 *isCopy = JNI_FALSE; | |
| 3207 } | |
| 3208 oop s = JNIHandles::resolve_non_null(string); | |
| 3209 int s_len = java_lang_String::length(s); | |
| 3210 typeArrayOop s_value = java_lang_String::value(s); | |
| 3211 int s_offset = java_lang_String::offset(s); | |
| 3212 const jchar* ret; | |
| 3213 if (s_len > 0) { | |
| 3214 ret = s_value->char_at_addr(s_offset); | |
| 3215 } else { | |
| 3216 ret = (jchar*) s_value->base(T_CHAR); | |
| 3217 } | |
|
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|
3218 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN((uint16_t *) ret); |
| 0 | 3219 return ret; |
| 3220 JNI_END | |
| 3221 | |
| 3222 | |
| 3223 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3224 JNIWrapper("ReleaseStringCritical"); | |
|
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|
3225 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY(env, str, (uint16_t *) chars); |
| 0 | 3226 // The str and chars arguments are ignored |
| 3227 GC_locker::unlock_critical(thread); | |
|
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|
3228 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN(); |
| 0 | 3229 JNI_END |
| 3230 | |
| 3231 | |
| 3232 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 3233 JNIWrapper("jni_NewWeakGlobalRef"); | |
|
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|
3234 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY(env, ref); |
| 0 | 3235 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 3236 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
|
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|
3237 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN(ret); |
| 0 | 3238 return ret; |
| 3239 JNI_END | |
| 3240 | |
| 3241 // Must be JNI_ENTRY (with HandleMark) | |
| 3242 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 3243 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
|
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|
3244 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY(env, ref); |
| 0 | 3245 JNIHandles::destroy_weak_global(ref); |
|
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|
3246 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN(); |
| 0 | 3247 JNI_END |
| 3248 | |
| 3249 | |
| 3250 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 3251 JNIWrapper("jni_ExceptionCheck"); | |
|
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|
3252 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY(env); |
| 0 | 3253 jni_check_async_exceptions(thread); |
| 3254 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
|
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|
3255 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN(ret); |
| 0 | 3256 return ret; |
| 3257 JNI_END | |
| 3258 | |
| 3259 | |
| 3260 // Initialization state for three routines below relating to | |
| 3261 // java.nio.DirectBuffers | |
| 3262 static jint directBufferSupportInitializeStarted = 0; | |
| 3263 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 3264 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 3265 static jclass bufferClass = NULL; | |
| 3266 static jclass directBufferClass = NULL; | |
| 3267 static jclass directByteBufferClass = NULL; | |
| 3268 static jmethodID directByteBufferConstructor = NULL; | |
| 3269 static jfieldID directBufferAddressField = NULL; | |
| 3270 static jfieldID bufferCapacityField = NULL; | |
| 3271 | |
| 3272 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 3273 Handle loader; // null (bootstrap) loader | |
| 3274 Handle protection_domain; // null protection domain | |
| 3275 | |
|
2177
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6990754: Use native memory and reference counting to implement SymbolTable
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diff
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|
3276 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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diff
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|
3277 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
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|
3278 |
|
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diff
changeset
|
3279 if (TraceClassResolution && result != NULL) { |
|
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6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
3280 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
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diff
changeset
|
3281 } |
|
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|
3282 return result; |
| 0 | 3283 } |
| 3284 | |
| 3285 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 3286 // circumvent any security checks that would be done by jni_FindClass. | |
| 3287 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 3288 { | |
| 3289 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 3290 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 3291 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 3292 return true; | |
| 3293 } | |
| 3294 JNI_END | |
| 3295 | |
| 3296 | |
| 3297 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 3298 if (directBufferSupportInitializeFailed) { | |
| 3299 return false; | |
| 3300 } | |
| 3301 | |
| 3302 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 3303 if (!lookupDirectBufferClasses(env)) { | |
| 3304 directBufferSupportInitializeFailed = 1; | |
| 3305 return false; | |
| 3306 } | |
| 3307 | |
| 3308 // Make global references for these | |
| 3309 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 3310 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 3311 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 3312 | |
| 3313 // Get needed field and method IDs | |
| 3314 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
|
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14320
diff
changeset
|
3315 if (env->ExceptionCheck()) { |
|
4f6bf7dd3f52
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diff
changeset
|
3316 env->ExceptionClear(); |
|
4f6bf7dd3f52
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diff
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|
3317 directBufferSupportInitializeFailed = 1; |
|
4f6bf7dd3f52
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diff
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|
3318 return false; |
|
4f6bf7dd3f52
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diff
changeset
|
3319 } |
| 0 | 3320 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); |
|
14370
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diff
changeset
|
3321 if (env->ExceptionCheck()) { |
|
4f6bf7dd3f52
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diff
changeset
|
3322 env->ExceptionClear(); |
|
4f6bf7dd3f52
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ccheung
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diff
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|
3323 directBufferSupportInitializeFailed = 1; |
|
4f6bf7dd3f52
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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diff
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|
3324 return false; |
|
4f6bf7dd3f52
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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14320
diff
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|
3325 } |
| 0 | 3326 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); |
|
14370
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diff
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|
3327 if (env->ExceptionCheck()) { |
|
4f6bf7dd3f52
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diff
changeset
|
3328 env->ExceptionClear(); |
|
4f6bf7dd3f52
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ccheung
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14320
diff
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|
3329 directBufferSupportInitializeFailed = 1; |
|
4f6bf7dd3f52
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diff
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|
3330 return false; |
|
4f6bf7dd3f52
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ccheung
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14320
diff
changeset
|
3331 } |
| 0 | 3332 |
| 3333 if ((directByteBufferConstructor == NULL) || | |
| 3334 (directBufferAddressField == NULL) || | |
| 3335 (bufferCapacityField == NULL)) { | |
| 3336 directBufferSupportInitializeFailed = 1; | |
| 3337 return false; | |
| 3338 } | |
| 3339 | |
| 3340 directBufferSupportInitializeEnded = 1; | |
| 3341 } else { | |
| 3342 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
|
3343 // 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
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477
diff
changeset
|
3344 // 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
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477
diff
changeset
|
3345 // 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
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477
diff
changeset
|
3346 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
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477
diff
changeset
|
3347 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
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xlu
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477
diff
changeset
|
3348 ThreadInVMfromNative tivn(thread); |
| 0 | 3349 os::yield_all(); |
| 3350 } | |
| 3351 } | |
| 3352 | |
| 3353 return !directBufferSupportInitializeFailed; | |
| 3354 } | |
| 3355 | |
| 3356 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 3357 { | |
| 3358 // thread_from_jni_environment() will block if VM is gone. | |
| 3359 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 3360 | |
| 3361 JNIWrapper("jni_NewDirectByteBuffer"); | |
|
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14179
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|
3362 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY(env, address, capacity); |
| 0 | 3363 |
| 3364 if (!directBufferSupportInitializeEnded) { | |
| 3365 if (!initializeDirectBufferSupport(env, thread)) { | |
|
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|
3366 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(NULL); |
| 0 | 3367 return NULL; |
| 3368 } | |
| 3369 } | |
| 3370 | |
| 3371 // Being paranoid about accidental sign extension on address | |
| 3372 jlong addr = (jlong) ((uintptr_t) address); | |
| 3373 // NOTE that package-private DirectByteBuffer constructor currently | |
| 3374 // takes int capacity | |
| 3375 jint cap = (jint) capacity; | |
| 3376 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
|
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14179
diff
changeset
|
3377 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(ret); |
| 0 | 3378 return ret; |
| 3379 } | |
| 3380 | |
| 4006 | 3381 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* |
| 3382 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 0 | 3383 |
| 3384 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 3385 { | |
| 3386 // thread_from_jni_environment() will block if VM is gone. | |
| 3387 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 3388 | |
| 3389 JNIWrapper("jni_GetDirectBufferAddress"); | |
|
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|
3390 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY(env, buf); |
| 0 | 3391 void* ret = NULL; |
| 3392 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 3393 | |
| 3394 if (!directBufferSupportInitializeEnded) { | |
| 3395 if (!initializeDirectBufferSupport(env, thread)) { | |
| 3396 return 0; | |
| 3397 } | |
| 3398 } | |
| 3399 | |
| 3400 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 3401 return 0; | |
| 3402 } | |
| 3403 | |
| 3404 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 3405 return ret; | |
| 3406 } | |
| 3407 | |
| 4006 | 3408 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong |
| 3409 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 0 | 3410 |
| 3411 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 3412 { | |
| 3413 // thread_from_jni_environment() will block if VM is gone. | |
| 3414 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 3415 | |
| 3416 JNIWrapper("jni_GetDirectBufferCapacity"); | |
|
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14179
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|
3417 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY(env, buf); |
| 0 | 3418 jlong ret = -1; |
| 3419 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 3420 | |
| 3421 if (!directBufferSupportInitializeEnded) { | |
| 3422 if (!initializeDirectBufferSupport(env, thread)) { | |
| 3423 ret = 0; | |
| 3424 return ret; | |
| 3425 } | |
| 3426 } | |
| 3427 | |
| 3428 if (buf == NULL) { | |
| 3429 return -1; | |
| 3430 } | |
| 3431 | |
| 3432 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 3433 return -1; | |
| 3434 } | |
| 3435 | |
| 3436 // NOTE that capacity is currently an int in the implementation | |
| 3437 ret = env->GetIntField(buf, bufferCapacityField); | |
| 3438 return ret; | |
| 3439 } | |
| 3440 | |
| 3441 | |
| 3442 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 3443 JNIWrapper("GetVersion"); | |
|
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3444 HOTSPOT_JNI_GETVERSION_ENTRY(env); |
|
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3445 HOTSPOT_JNI_GETVERSION_RETURN(CurrentVersion); |
| 0 | 3446 return CurrentVersion; |
| 3447 JNI_END | |
| 3448 | |
| 3449 extern struct JavaVM_ main_vm; | |
| 3450 | |
| 3451 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 3452 JNIWrapper("jni_GetJavaVM"); | |
|
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3453 HOTSPOT_JNI_GETJAVAVM_ENTRY(env, (void **) vm); |
| 0 | 3454 *vm = (JavaVM *)(&main_vm); |
|
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3455 HOTSPOT_JNI_GETJAVAVM_RETURN(JNI_OK); |
| 0 | 3456 return JNI_OK; |
| 3457 JNI_END | |
| 3458 | |
| 3459 // Structure containing all jni functions | |
| 3460 struct JNINativeInterface_ jni_NativeInterface = { | |
| 3461 NULL, | |
| 3462 NULL, | |
| 3463 NULL, | |
| 3464 | |
| 3465 NULL, | |
| 3466 | |
| 3467 jni_GetVersion, | |
| 3468 | |
| 3469 jni_DefineClass, | |
| 3470 jni_FindClass, | |
| 3471 | |
| 3472 jni_FromReflectedMethod, | |
| 3473 jni_FromReflectedField, | |
| 3474 | |
| 3475 jni_ToReflectedMethod, | |
| 3476 | |
| 3477 jni_GetSuperclass, | |
| 3478 jni_IsAssignableFrom, | |
| 3479 | |
| 3480 jni_ToReflectedField, | |
| 3481 | |
| 3482 jni_Throw, | |
| 3483 jni_ThrowNew, | |
| 3484 jni_ExceptionOccurred, | |
| 3485 jni_ExceptionDescribe, | |
| 3486 jni_ExceptionClear, | |
| 3487 jni_FatalError, | |
| 3488 | |
| 3489 jni_PushLocalFrame, | |
| 3490 jni_PopLocalFrame, | |
| 3491 | |
| 3492 jni_NewGlobalRef, | |
| 3493 jni_DeleteGlobalRef, | |
| 3494 jni_DeleteLocalRef, | |
| 3495 jni_IsSameObject, | |
| 3496 | |
| 3497 jni_NewLocalRef, | |
| 3498 jni_EnsureLocalCapacity, | |
| 3499 | |
| 3500 jni_AllocObject, | |
| 3501 jni_NewObject, | |
| 3502 jni_NewObjectV, | |
| 3503 jni_NewObjectA, | |
| 3504 | |
| 3505 jni_GetObjectClass, | |
| 3506 jni_IsInstanceOf, | |
| 3507 | |
| 3508 jni_GetMethodID, | |
| 3509 | |
| 3510 jni_CallObjectMethod, | |
| 3511 jni_CallObjectMethodV, | |
| 3512 jni_CallObjectMethodA, | |
| 3513 jni_CallBooleanMethod, | |
| 3514 jni_CallBooleanMethodV, | |
| 3515 jni_CallBooleanMethodA, | |
| 3516 jni_CallByteMethod, | |
| 3517 jni_CallByteMethodV, | |
| 3518 jni_CallByteMethodA, | |
| 3519 jni_CallCharMethod, | |
| 3520 jni_CallCharMethodV, | |
| 3521 jni_CallCharMethodA, | |
| 3522 jni_CallShortMethod, | |
| 3523 jni_CallShortMethodV, | |
| 3524 jni_CallShortMethodA, | |
| 3525 jni_CallIntMethod, | |
| 3526 jni_CallIntMethodV, | |
| 3527 jni_CallIntMethodA, | |
| 3528 jni_CallLongMethod, | |
| 3529 jni_CallLongMethodV, | |
| 3530 jni_CallLongMethodA, | |
| 3531 jni_CallFloatMethod, | |
| 3532 jni_CallFloatMethodV, | |
| 3533 jni_CallFloatMethodA, | |
| 3534 jni_CallDoubleMethod, | |
| 3535 jni_CallDoubleMethodV, | |
| 3536 jni_CallDoubleMethodA, | |
| 3537 jni_CallVoidMethod, | |
| 3538 jni_CallVoidMethodV, | |
| 3539 jni_CallVoidMethodA, | |
| 3540 | |
| 3541 jni_CallNonvirtualObjectMethod, | |
| 3542 jni_CallNonvirtualObjectMethodV, | |
| 3543 jni_CallNonvirtualObjectMethodA, | |
| 3544 jni_CallNonvirtualBooleanMethod, | |
| 3545 jni_CallNonvirtualBooleanMethodV, | |
| 3546 jni_CallNonvirtualBooleanMethodA, | |
| 3547 jni_CallNonvirtualByteMethod, | |
| 3548 jni_CallNonvirtualByteMethodV, | |
| 3549 jni_CallNonvirtualByteMethodA, | |
| 3550 jni_CallNonvirtualCharMethod, | |
| 3551 jni_CallNonvirtualCharMethodV, | |
| 3552 jni_CallNonvirtualCharMethodA, | |
| 3553 jni_CallNonvirtualShortMethod, | |
| 3554 jni_CallNonvirtualShortMethodV, | |
| 3555 jni_CallNonvirtualShortMethodA, | |
| 3556 jni_CallNonvirtualIntMethod, | |
| 3557 jni_CallNonvirtualIntMethodV, | |
| 3558 jni_CallNonvirtualIntMethodA, | |
| 3559 jni_CallNonvirtualLongMethod, | |
| 3560 jni_CallNonvirtualLongMethodV, | |
| 3561 jni_CallNonvirtualLongMethodA, | |
| 3562 jni_CallNonvirtualFloatMethod, | |
| 3563 jni_CallNonvirtualFloatMethodV, | |
| 3564 jni_CallNonvirtualFloatMethodA, | |
| 3565 jni_CallNonvirtualDoubleMethod, | |
| 3566 jni_CallNonvirtualDoubleMethodV, | |
| 3567 jni_CallNonvirtualDoubleMethodA, | |
| 3568 jni_CallNonvirtualVoidMethod, | |
| 3569 jni_CallNonvirtualVoidMethodV, | |
| 3570 jni_CallNonvirtualVoidMethodA, | |
| 3571 | |
| 3572 jni_GetFieldID, | |
| 3573 | |
| 3574 jni_GetObjectField, | |
| 3575 jni_GetBooleanField, | |
| 3576 jni_GetByteField, | |
| 3577 jni_GetCharField, | |
| 3578 jni_GetShortField, | |
| 3579 jni_GetIntField, | |
| 3580 jni_GetLongField, | |
| 3581 jni_GetFloatField, | |
| 3582 jni_GetDoubleField, | |
| 3583 | |
| 3584 jni_SetObjectField, | |
| 3585 jni_SetBooleanField, | |
| 3586 jni_SetByteField, | |
| 3587 jni_SetCharField, | |
| 3588 jni_SetShortField, | |
| 3589 jni_SetIntField, | |
| 3590 jni_SetLongField, | |
| 3591 jni_SetFloatField, | |
| 3592 jni_SetDoubleField, | |
| 3593 | |
| 3594 jni_GetStaticMethodID, | |
| 3595 | |
| 3596 jni_CallStaticObjectMethod, | |
| 3597 jni_CallStaticObjectMethodV, | |
| 3598 jni_CallStaticObjectMethodA, | |
| 3599 jni_CallStaticBooleanMethod, | |
| 3600 jni_CallStaticBooleanMethodV, | |
| 3601 jni_CallStaticBooleanMethodA, | |
| 3602 jni_CallStaticByteMethod, | |
| 3603 jni_CallStaticByteMethodV, | |
| 3604 jni_CallStaticByteMethodA, | |
| 3605 jni_CallStaticCharMethod, | |
| 3606 jni_CallStaticCharMethodV, | |
| 3607 jni_CallStaticCharMethodA, | |
| 3608 jni_CallStaticShortMethod, | |
| 3609 jni_CallStaticShortMethodV, | |
| 3610 jni_CallStaticShortMethodA, | |
| 3611 jni_CallStaticIntMethod, | |
| 3612 jni_CallStaticIntMethodV, | |
| 3613 jni_CallStaticIntMethodA, | |
| 3614 jni_CallStaticLongMethod, | |
| 3615 jni_CallStaticLongMethodV, | |
| 3616 jni_CallStaticLongMethodA, | |
| 3617 jni_CallStaticFloatMethod, | |
| 3618 jni_CallStaticFloatMethodV, | |
| 3619 jni_CallStaticFloatMethodA, | |
| 3620 jni_CallStaticDoubleMethod, | |
| 3621 jni_CallStaticDoubleMethodV, | |
| 3622 jni_CallStaticDoubleMethodA, | |
| 3623 jni_CallStaticVoidMethod, | |
| 3624 jni_CallStaticVoidMethodV, | |
| 3625 jni_CallStaticVoidMethodA, | |
| 3626 | |
| 3627 jni_GetStaticFieldID, | |
| 3628 | |
| 3629 jni_GetStaticObjectField, | |
| 3630 jni_GetStaticBooleanField, | |
| 3631 jni_GetStaticByteField, | |
| 3632 jni_GetStaticCharField, | |
| 3633 jni_GetStaticShortField, | |
| 3634 jni_GetStaticIntField, | |
| 3635 jni_GetStaticLongField, | |
| 3636 jni_GetStaticFloatField, | |
| 3637 jni_GetStaticDoubleField, | |
| 3638 | |
| 3639 jni_SetStaticObjectField, | |
| 3640 jni_SetStaticBooleanField, | |
| 3641 jni_SetStaticByteField, | |
| 3642 jni_SetStaticCharField, | |
| 3643 jni_SetStaticShortField, | |
| 3644 jni_SetStaticIntField, | |
| 3645 jni_SetStaticLongField, | |
| 3646 jni_SetStaticFloatField, | |
| 3647 jni_SetStaticDoubleField, | |
| 3648 | |
| 3649 jni_NewString, | |
| 3650 jni_GetStringLength, | |
| 3651 jni_GetStringChars, | |
| 3652 jni_ReleaseStringChars, | |
| 3653 | |
| 3654 jni_NewStringUTF, | |
| 3655 jni_GetStringUTFLength, | |
| 3656 jni_GetStringUTFChars, | |
| 3657 jni_ReleaseStringUTFChars, | |
| 3658 | |
| 3659 jni_GetArrayLength, | |
| 3660 | |
| 3661 jni_NewObjectArray, | |
| 3662 jni_GetObjectArrayElement, | |
| 3663 jni_SetObjectArrayElement, | |
| 3664 | |
| 3665 jni_NewBooleanArray, | |
| 3666 jni_NewByteArray, | |
| 3667 jni_NewCharArray, | |
| 3668 jni_NewShortArray, | |
| 3669 jni_NewIntArray, | |
| 3670 jni_NewLongArray, | |
| 3671 jni_NewFloatArray, | |
| 3672 jni_NewDoubleArray, | |
| 3673 | |
| 3674 jni_GetBooleanArrayElements, | |
| 3675 jni_GetByteArrayElements, | |
| 3676 jni_GetCharArrayElements, | |
| 3677 jni_GetShortArrayElements, | |
| 3678 jni_GetIntArrayElements, | |
| 3679 jni_GetLongArrayElements, | |
| 3680 jni_GetFloatArrayElements, | |
| 3681 jni_GetDoubleArrayElements, | |
| 3682 | |
| 3683 jni_ReleaseBooleanArrayElements, | |
| 3684 jni_ReleaseByteArrayElements, | |
| 3685 jni_ReleaseCharArrayElements, | |
| 3686 jni_ReleaseShortArrayElements, | |
| 3687 jni_ReleaseIntArrayElements, | |
| 3688 jni_ReleaseLongArrayElements, | |
| 3689 jni_ReleaseFloatArrayElements, | |
| 3690 jni_ReleaseDoubleArrayElements, | |
| 3691 | |
| 3692 jni_GetBooleanArrayRegion, | |
| 3693 jni_GetByteArrayRegion, | |
| 3694 jni_GetCharArrayRegion, | |
| 3695 jni_GetShortArrayRegion, | |
| 3696 jni_GetIntArrayRegion, | |
| 3697 jni_GetLongArrayRegion, | |
| 3698 jni_GetFloatArrayRegion, | |
| 3699 jni_GetDoubleArrayRegion, | |
| 3700 | |
| 3701 jni_SetBooleanArrayRegion, | |
| 3702 jni_SetByteArrayRegion, | |
| 3703 jni_SetCharArrayRegion, | |
| 3704 jni_SetShortArrayRegion, | |
| 3705 jni_SetIntArrayRegion, | |
| 3706 jni_SetLongArrayRegion, | |
| 3707 jni_SetFloatArrayRegion, | |
| 3708 jni_SetDoubleArrayRegion, | |
| 3709 | |
| 3710 jni_RegisterNatives, | |
| 3711 jni_UnregisterNatives, | |
| 3712 | |
| 3713 jni_MonitorEnter, | |
| 3714 jni_MonitorExit, | |
| 3715 | |
| 3716 jni_GetJavaVM, | |
| 3717 | |
| 3718 jni_GetStringRegion, | |
| 3719 jni_GetStringUTFRegion, | |
| 3720 | |
| 3721 jni_GetPrimitiveArrayCritical, | |
| 3722 jni_ReleasePrimitiveArrayCritical, | |
| 3723 | |
| 3724 jni_GetStringCritical, | |
| 3725 jni_ReleaseStringCritical, | |
| 3726 | |
| 3727 jni_NewWeakGlobalRef, | |
| 3728 jni_DeleteWeakGlobalRef, | |
| 3729 | |
| 3730 jni_ExceptionCheck, | |
| 3731 | |
| 3732 jni_NewDirectByteBuffer, | |
| 3733 jni_GetDirectBufferAddress, | |
| 3734 jni_GetDirectBufferCapacity, | |
| 3735 | |
| 3736 // New 1_6 features | |
| 3737 | |
| 3738 jni_GetObjectRefType | |
| 3739 }; | |
| 3740 | |
| 3741 | |
| 3742 // For jvmti use to modify jni function table. | |
| 3743 // Java threads in native contiues to run until it is transitioned | |
| 3744 // to VM at safepoint. Before the transition or before it is blocked | |
| 3745 // for safepoint it may access jni function table. VM could crash if | |
| 3746 // any java thread access the jni function table in the middle of memcpy. | |
| 3747 // To avoid this each function pointers are copied automically. | |
| 3748 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 3749 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 3750 intptr_t *a = (intptr_t *) jni_functions(); | |
| 3751 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 3752 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 3753 Atomic::store_ptr(*b++, a++); | |
| 3754 } | |
| 3755 } | |
| 3756 | |
| 3757 void quicken_jni_functions() { | |
| 3758 // Replace Get<Primitive>Field with fast versions | |
| 3759 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 3760 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 3761 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 3762 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 3763 // versions currently isn't certain for server vm on uniprocessor. | |
| 3764 && os::is_MP() | |
| 3765 #endif | |
| 3766 ) { | |
| 3767 address func; | |
| 3768 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 3769 if (func != (address)-1) { | |
| 3770 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 3771 } | |
| 3772 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 3773 if (func != (address)-1) { | |
| 3774 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 3775 } | |
| 3776 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 3777 if (func != (address)-1) { | |
| 3778 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 3779 } | |
| 3780 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 3781 if (func != (address)-1) { | |
| 3782 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 3783 } | |
| 3784 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 3785 if (func != (address)-1) { | |
| 3786 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 3787 } | |
| 3788 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 3789 if (func != (address)-1) { | |
| 3790 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 3791 } | |
| 3792 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 3793 if (func != (address)-1) { | |
| 3794 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 3795 } | |
| 3796 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 3797 if (func != (address)-1) { | |
| 3798 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 3799 } | |
| 3800 } | |
| 3801 } | |
| 3802 | |
| 3803 // Returns the function structure | |
| 3804 struct JNINativeInterface_* jni_functions() { | |
|
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|
3805 #if INCLUDE_JNI_CHECK |
| 0 | 3806 if (CheckJNICalls) return jni_functions_check(); |
|
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|
3807 #endif // INCLUDE_JNI_CHECK |
| 0 | 3808 return &jni_NativeInterface; |
| 3809 } | |
| 3810 | |
| 3811 // Returns the function structure | |
| 3812 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 3813 return &jni_NativeInterface; | |
| 3814 } | |
| 3815 | |
| 3816 | |
| 3817 // Invocation API | |
| 3818 | |
| 3819 | |
| 3820 // Forward declaration | |
| 3821 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 3822 | |
| 3823 // Global invocation API vars | |
| 3824 volatile jint vm_created = 0; | |
| 3825 // Indicate whether it is safe to recreate VM | |
| 3826 volatile jint safe_to_recreate_vm = 1; | |
| 3827 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 3828 | |
| 3829 | |
| 3830 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 3831 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 3832 | |
| 4006 | 3833 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint |
| 3834 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 0 | 3835 |
| 3836 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
|
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|
3837 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY(args_); |
| 0 | 3838 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 3839 jint ret = JNI_ERR; | |
| 3840 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 3841 | |
| 3842 if (Threads::is_supported_jni_version(args->version)) { | |
| 3843 ret = JNI_OK; | |
| 3844 } | |
| 3845 // 1.1 style no longer supported in hotspot. | |
| 3846 // According the JNI spec, we should update args->version on return. | |
| 3847 // We also use the structure to communicate with launcher about default | |
| 3848 // stack size. | |
| 3849 if (args->version == JNI_VERSION_1_1) { | |
| 3850 args->version = JNI_VERSION_1_2; | |
| 3851 // javaStackSize is int in arguments structure | |
| 3852 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 3853 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 3854 } | |
| 3855 return ret; | |
| 3856 } | |
| 3857 | |
| 3779 | 3858 #ifndef PRODUCT |
| 3859 | |
| 10405 | 3860 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 3861 #include "gc_interface/collectedHeap.hpp" |
|
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|
3862 #if INCLUDE_ALL_GCS |
|
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|
3863 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
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|
3864 #endif |
| 3779 | 3865 #include "utilities/quickSort.hpp" |
| 12215 | 3866 #include "utilities/ostream.hpp" |
| 7171 | 3867 #if INCLUDE_VM_STRUCTS |
| 3868 #include "runtime/vmStructs.hpp" | |
| 3869 #endif | |
| 3779 | 3870 |
| 4708 | 3871 #define run_unit_test(unit_test_function_call) \ |
| 3872 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 3873 unit_test_function_call | |
| 3874 | |
|
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|
3875 // Forward declaration |
|
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changeset
|
3876 void TestReservedSpace_test(); |
|
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diff
changeset
|
3877 void TestReserveMemorySpecial_test(); |
|
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diff
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|
3878 void TestVirtualSpace_test(); |
|
12306
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diff
changeset
|
3879 void TestMetaspaceAux_test(); |
| 12902 | 3880 void TestMetachunk_test(); |
|
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8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
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diff
changeset
|
3881 void TestVirtualSpaceNode_test(); |
|
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f7f0c6a77d6d
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changeset
|
3882 void TestNewSize_test(); |
|
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14490
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changeset
|
3883 void TestKlass_test(); |
|
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diff
changeset
|
3884 #if INCLUDE_ALL_GCS |
| 14490 | 3885 void TestOldFreeSpaceCalculation_test(); |
|
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diff
changeset
|
3886 void TestG1BiasedArray_test(); |
|
14355
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parents:
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diff
changeset
|
3887 void TestBufferingOopClosure_test(); |
|
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diff
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|
3888 #endif |
|
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changeset
|
3889 |
| 3779 | 3890 void execute_internal_vm_tests() { |
| 3891 if (ExecuteInternalVMTests) { | |
| 4708 | 3892 tty->print_cr("Running internal VM tests"); |
|
12110
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changeset
|
3893 run_unit_test(TestReservedSpace_test()); |
|
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diff
changeset
|
3894 run_unit_test(TestReserveMemorySpecial_test()); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
3895 run_unit_test(TestVirtualSpace_test()); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
3896 run_unit_test(TestMetaspaceAux_test()); |
| 12902 | 3897 run_unit_test(TestMetachunk_test()); |
|
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
3898 run_unit_test(TestVirtualSpaceNode_test()); |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
3899 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 3900 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 3901 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 3902 run_unit_test(CollectedHeap::test_is_in()); | |
| 3903 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 3904 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 3905 run_unit_test(test_loggc_filename()); |
|
14359
f7f0c6a77d6d
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
14356
diff
changeset
|
3906 run_unit_test(TestNewSize_test()); |
|
14492
7f0e0366ec81
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
14490
diff
changeset
|
3907 run_unit_test(TestKlass_test()); |
| 7171 | 3908 #if INCLUDE_VM_STRUCTS |
| 3909 run_unit_test(VMStructs::test()); | |
| 3910 #endif | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
3911 #if INCLUDE_ALL_GCS |
| 14490 | 3912 run_unit_test(TestOldFreeSpaceCalculation_test()); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
3913 run_unit_test(TestG1BiasedArray_test()); |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
3914 run_unit_test(HeapRegionRemSet::test_prt()); |
|
14355
937cf56dede6
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
14314
diff
changeset
|
3915 run_unit_test(TestBufferingOopClosure_test()); |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
3916 #endif |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
3917 tty->print_cr("All internal VM tests passed"); |
| 3779 | 3918 } |
| 3919 } | |
| 3920 | |
| 4708 | 3921 #undef run_unit_test |
| 3922 | |
| 3779 | 3923 #endif |
| 3924 | |
| 4006 | 3925 DT_RETURN_MARK_DECL(CreateJavaVM, jint |
| 3926 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 0 | 3927 |
| 3928 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
|
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
3929 HOTSPOT_JNI_CREATEJAVAVM_ENTRY((void **) vm, penv, args); |
| 0 | 3930 |
| 3931 jint result = JNI_ERR; | |
| 3932 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 3933 | |
| 1078 | 3934 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 3935 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 3936 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 3937 // on all architectures. So we check it works before relying on it. | |
| 3938 #if defined(ZERO) && defined(ASSERT) | |
| 3939 { | |
| 3940 jint a = 0xcafebabe; | |
| 3941 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 3942 void *c = &a; | |
| 3943 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 3944 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 3945 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 3946 } | |
| 3947 #endif // ZERO && ASSERT | |
| 3948 | |
| 0 | 3949 // At the moment it's only possible to have one Java VM, |
| 3950 // since some of the runtime state is in global variables. | |
| 3951 | |
| 3952 // We cannot use our mutex locks here, since they only work on | |
| 3953 // Threads. We do an atomic compare and exchange to ensure only | |
| 3954 // one thread can call this method at a time | |
| 3955 | |
| 3956 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 3957 // the add/dec implementations are dependent on whether we are running | |
| 3958 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 3959 // function used to determine this will always return false. Atomic::xchg | |
| 3960 // does not have this problem. | |
| 3961 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
3962 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 3963 } |
| 3964 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 3965 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 3966 } | |
| 3967 | |
| 3968 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 3969 | |
| 3970 /** | |
| 3971 * Certain errors during initialization are recoverable and do not | |
| 3972 * prevent this method from being called again at a later time | |
| 3973 * (perhaps with different arguments). However, at a certain | |
| 3974 * point during initialization if an error occurs we cannot allow | |
| 3975 * this function to be called again (or it will crash). In those | |
| 3976 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 3977 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 3978 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 3979 */ | |
| 3980 bool can_try_again = true; | |
| 3981 | |
| 3982 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 3983 if (result == JNI_OK) { | |
| 3984 JavaThread *thread = JavaThread::current(); | |
|
14297
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
3985 assert(!thread->has_pending_exception(), "should have returned not OK"); |
| 0 | 3986 /* thread is thread_in_vm here */ |
| 3987 *vm = (JavaVM *)(&main_vm); | |
| 3988 *(JNIEnv**)penv = thread->jni_environment(); | |
| 3989 | |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
3990 #ifdef GRAAL |
|
12356
359f7e70ae7f
Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12355
diff
changeset
|
3991 // GraalCompiler needs to have been created in compileBroker.cpp |
|
7126
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
3992 GraalCompiler* graal_compiler = GraalCompiler::instance(); |
|
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
3993 if (graal_compiler != NULL) { |
|
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
3994 graal_compiler->initialize(); |
|
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
3995 } else { |
|
13630
b1838411e896
Use compile ids assigned by hotspot
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13174
diff
changeset
|
3996 assert(!UseCompiler, "why isn't there any compiler?"); |
|
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
3997 } |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
3998 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
3999 |
| 0 | 4000 // Tracks the time application was running before GC |
| 4001 RuntimeService::record_application_start(); | |
| 4002 | |
| 4003 // Notify JVMTI | |
| 4004 if (JvmtiExport::should_post_thread_life()) { | |
| 4005 JvmtiExport::post_thread_start(thread); | |
| 4006 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
4007 |
| 10405 | 4008 EventThreadStart event; |
| 4009 if (event.should_commit()) { | |
| 4010 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 4011 event.commit(); | |
| 4012 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
4013 |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4014 #ifndef PRODUCT |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4015 #ifndef TARGET_OS_FAMILY_windows |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4016 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4017 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4018 |
| 0 | 4019 // Check if we should compile all classes on bootclasspath |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4020 if (CompileTheWorld) ClassLoader::compile_the_world(); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4021 if (ReplayCompiles) ciReplay::replay(thread); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4022 |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4023 // Some platforms (like Win*) need a wrapper around these test |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4024 // functions in order to properly handle error conditions. |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4025 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4026 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4027 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
4028 |
| 0 | 4029 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 4030 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 4031 } else { | |
|
14297
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4032 // If create_vm exits because of a pending exception, exit with that |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4033 // exception. In the future when we figure out how to reclaim memory, |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4034 // we may be able to exit with JNI_ERR and allow the calling application |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4035 // to continue. |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4036 if (Universe::is_fully_initialized()) { |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4037 // otherwise no pending exception possible - VM will already have aborted |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4038 JavaThread* THREAD = JavaThread::current(); |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4039 if (HAS_PENDING_EXCEPTION) { |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4040 HandleMark hm; |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4041 vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION)); |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4042 } |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4043 } |
|
febc6428bc79
8028275: Metaspace ShrinkGrowTest causes fatal error if run with JFR
coleenp
parents:
14290
diff
changeset
|
4044 |
| 0 | 4045 if (can_try_again) { |
| 4046 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 4047 safe_to_recreate_vm = 1; | |
| 4048 } | |
| 4049 | |
| 4050 // Creation failed. We must reset vm_created | |
| 4051 *vm = 0; | |
| 4052 *(JNIEnv**)penv = 0; | |
| 4053 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 4054 // control both compiler and architectural-based reordering. | |
| 4055 OrderAccess::release_store(&vm_created, 0); | |
| 4056 } | |
| 4057 | |
| 4058 return result; | |
| 4059 } | |
| 4060 | |
| 4061 | |
| 4062 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 4063 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 4064 // JNIWrapper("GetCreatedJavaVMs"); | |
| 14380 | 4065 |
|
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
4066 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY((void **) vm_buf, bufLen, (uintptr_t *) numVMs); |
| 14380 | 4067 |
| 0 | 4068 if (vm_created) { |
| 4069 if (numVMs != NULL) *numVMs = 1; | |
| 4070 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 4071 } else { | |
| 4072 if (numVMs != NULL) *numVMs = 0; | |
| 4073 } | |
|
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
4074 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN(JNI_OK); |
| 0 | 4075 return JNI_OK; |
| 4076 } | |
| 4077 | |
| 4078 extern "C" { | |
| 4079 | |
| 4006 | 4080 DT_RETURN_MARK_DECL(DestroyJavaVM, jint |
| 4081 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 0 | 4082 |
| 4083 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
|
14278
a3ba776d6ab6
8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1
sla
parents:
14179
diff
changeset
|
4084 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY(vm); |
| 0 | 4085 jint res = JNI_ERR; |
| 4086 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 4087 | |
| 4088 if (!vm_created) { | |
| 4089 res = JNI_ERR; | |
| 4090 return res; | |
| 4091 } | |
| 4092 | |
| 4093 JNIWrapper("DestroyJavaVM"); | |
| 4094 JNIEnv *env; | |
| 4095 JavaVMAttachArgs destroyargs; | |
| 4096 destroyargs.version = CurrentVersion; | |
| 4097 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 4098 destroyargs.group = NULL; | |
| 4099 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 4100 if (res != JNI_OK) { | |
| 4101 return res; | |
| 4102 } | |
| 4103 | |
| 4104 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 4105 JavaThread* thread = JavaThread::current(); | |
| 4106 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 4107 if (Threads::destroy_vm()) { | |
| 4108 // Should not change thread state, VM is gone | |
| 4109 vm_created = false; | |
| 4110 res = JNI_OK; | |
| 4111 return res; | |
| 4112 } else { | |
| 4113 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 4114 res = JNI_ERR; | |
| 4115 return res; | |
| 4116 } | |
| 4117 } | |
| 4118 | |
| 4119 | |
| 4120 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 4121 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 4122 | |
| 4123 // Check below commented out from JDK1.2fcs as well | |
| 4124 /* | |
| 4125 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 4126 return JNI_EVERSION; | |
| 4127 } | |
| 4128 */ | |
| 4129 | |
| 4130 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 4131 if (t != NULL) { | |
| 4132 // If the thread has been attached this operation is a no-op | |
| 4133 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 4134 return JNI_OK; | |
| 4135 } | |
| 4136 | |
| 4137 // Create a thread and mark it as attaching so it will be skipped by the | |
| 4138 // ThreadsListEnumerator - see CR 6404306 | |
| 4139 JavaThread* thread = new JavaThread(true); | |
| 4140 | |
| 4141 // Set correct safepoint info. The thread is going to call into Java when | |
| 4142 // initializing the Java level thread object. Hence, the correct state must | |
| 4143 // be set in order for the Safepoint code to deal with it correctly. | |
| 4144 thread->set_thread_state(_thread_in_vm); | |
| 4145 // Must do this before initialize_thread_local_storage | |
| 4146 thread->record_stack_base_and_size(); | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
4147 |
| 0 | 4148 thread->initialize_thread_local_storage(); |
| 4149 | |
| 4150 if (!os::create_attached_thread(thread)) { | |
| 4151 delete thread; | |
| 4152 return JNI_ERR; | |
| 4153 } | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
4154 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
4155 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
4156 |
| 0 | 4157 thread->initialize_tlab(); |
| 4158 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
4159 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
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4160 |
| 0 | 4161 // Crucial that we do not have a safepoint check for this thread, since it has |
| 4162 // not been added to the Thread list yet. | |
| 4163 { Threads_lock->lock_without_safepoint_check(); | |
| 4164 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 4165 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 4166 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 4167 Threads::add(thread, daemon); | |
| 4168 Threads_lock->unlock(); | |
| 4169 } | |
| 4170 // Create thread group and name info from attach arguments | |
| 4171 oop group = NULL; | |
| 4172 char* thread_name = NULL; | |
| 4173 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 4174 group = JNIHandles::resolve(args->group); | |
| 4175 thread_name = args->name; // may be NULL | |
| 4176 } | |
| 4177 if (group == NULL) group = Universe::main_thread_group(); | |
| 4178 | |
| 4179 // Create Java level thread object and attach it to this thread | |
| 4180 bool attach_failed = false; | |
| 4181 { | |
| 4182 EXCEPTION_MARK; | |
| 4183 HandleMark hm(THREAD); | |
| 4184 Handle thread_group(THREAD, group); | |
| 4185 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 4186 if (HAS_PENDING_EXCEPTION) { | |
| 4187 CLEAR_PENDING_EXCEPTION; | |
| 4188 // cleanup outside the handle mark. | |
| 4189 attach_failed = true; | |
| 4190 } | |
| 4191 } | |
| 4192 | |
| 4193 if (attach_failed) { | |
| 4194 // Added missing cleanup | |
| 4195 thread->cleanup_failed_attach_current_thread(); | |
| 4196 return JNI_ERR; | |
| 4197 } | |
| 4198 | |
| 4199 // mark the thread as no longer attaching | |
| 4200 // this uses a fence to push the change through so we don't have | |
| 4201 // to regrab the threads_lock | |
| 4006 | 4202 thread->set_done_attaching_via_jni(); |
| 0 | 4203 |
| 4204 // Set java thread status. | |
| 4205 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 4206 java_lang_Thread::RUNNABLE); | |
| 4207 | |
| 4208 // Notify the debugger | |
| 4209 if (JvmtiExport::should_post_thread_life()) { | |
| 4210 JvmtiExport::post_thread_start(thread); | |
| 4211 } | |
| 4212 | |
| 10405 | 4213 EventThreadStart event; |
| 4214 if (event.should_commit()) { | |
| 4215 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 4216 event.commit(); | |
| 4217 } | |
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4218 |
| 0 | 4219 *(JNIEnv**)penv = thread->jni_environment(); |
| 4220 | |
| 4221 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 4222 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 4223 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 4224 // needed. | |
| 4225 | |
| 4226 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 4227 | |
| 4228 // Perform any platform dependent FPU setup | |
| 4229 os::setup_fpu(); | |
| 4230 | |
| 4231 return JNI_OK; | |
| 4232 } | |
| 4233 | |
| 4234 | |
| 4235 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
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4236 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY(vm, penv, _args); |
| 0 | 4237 if (!vm_created) { |
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4238 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN((uint32_t) JNI_ERR); |
| 0 | 4239 return JNI_ERR; |
| 4240 } | |
| 4241 | |
| 4242 JNIWrapper("AttachCurrentThread"); | |
| 4243 jint ret = attach_current_thread(vm, penv, _args, false); | |
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4244 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(ret); |
| 0 | 4245 return ret; |
| 4246 } | |
| 4247 | |
| 4248 | |
| 4249 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
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4250 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY(vm); |
| 0 | 4251 VM_Exit::block_if_vm_exited(); |
| 4252 | |
| 4253 JNIWrapper("DetachCurrentThread"); | |
| 4254 | |
| 4255 // If the thread has been deattacted the operations is a no-op | |
| 4256 if (ThreadLocalStorage::thread() == NULL) { | |
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4257 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(JNI_OK); |
| 0 | 4258 return JNI_OK; |
| 4259 } | |
| 4260 | |
| 4261 JavaThread* thread = JavaThread::current(); | |
| 4262 if (thread->has_last_Java_frame()) { | |
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4263 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN((uint32_t) JNI_ERR); |
| 0 | 4264 // Can't detach a thread that's running java, that can't work. |
| 4265 return JNI_ERR; | |
| 4266 } | |
| 4267 | |
| 4268 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 4269 // middel of a safepoint operation | |
| 4270 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 4271 | |
| 4272 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 4273 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 4274 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 4275 // of the guards is visible in jni_AttachCurrentThread above, | |
| 4276 // the removal of the guards is buried below in JavaThread::exit() | |
| 4277 // here. The abstraction should be more symmetrically either exposed | |
| 4278 // or hidden (e.g. it could probably be hidden in the same | |
| 4279 // (platform-dependent) methods where we do alternate stack | |
| 4280 // maintenance work?) | |
| 4281 thread->exit(false, JavaThread::jni_detach); | |
| 4282 delete thread; | |
| 4283 | |
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4284 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(JNI_OK); |
| 0 | 4285 return JNI_OK; |
| 4286 } | |
| 4287 | |
| 4006 | 4288 DT_RETURN_MARK_DECL(GetEnv, jint |
| 4289 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 0 | 4290 |
| 4291 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
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4292 HOTSPOT_JNI_GETENV_ENTRY(vm, penv, version); |
| 0 | 4293 jint ret = JNI_ERR; |
| 4294 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 4295 | |
| 4296 if (!vm_created) { | |
| 4297 *penv = NULL; | |
| 4298 ret = JNI_EDETACHED; | |
| 4299 return ret; | |
| 4300 } | |
| 4301 | |
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4302 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 4303 return ret; |
| 4304 } | |
| 4305 | |
| 4306 #ifndef JVMPI_VERSION_1 | |
| 4307 // need these in order to be polite about older agents | |
| 4308 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 4309 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 4310 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 4311 #endif // !JVMPI_VERSION_1 | |
| 4312 | |
| 4313 Thread* thread = ThreadLocalStorage::thread(); | |
| 4314 if (thread != NULL && thread->is_Java_thread()) { | |
| 4315 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 4316 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 4317 ret = JNI_OK; | |
| 4318 return ret; | |
| 4319 | |
| 4320 } else if (version == JVMPI_VERSION_1 || | |
| 4321 version == JVMPI_VERSION_1_1 || | |
| 4322 version == JVMPI_VERSION_1_2) { | |
| 4323 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 4324 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 4325 ret = JNI_EVERSION; | |
| 4326 return ret; | |
| 4327 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 4328 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 4329 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 4330 ret = JNI_EVERSION; | |
| 4331 return ret; | |
| 4332 } else { | |
| 4333 *penv = NULL; | |
| 4334 ret = JNI_EVERSION; | |
| 4335 return ret; | |
| 4336 } | |
| 4337 } else { | |
| 4338 *penv = NULL; | |
| 4339 ret = JNI_EDETACHED; | |
| 4340 return ret; | |
| 4341 } | |
| 4342 } | |
| 4343 | |
| 4344 | |
| 4345 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
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4346 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY(vm, penv, _args); |
| 0 | 4347 if (!vm_created) { |
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4348 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN((uint32_t) JNI_ERR); |
| 0 | 4349 return JNI_ERR; |
| 4350 } | |
| 4351 | |
| 4352 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 4353 jint ret = attach_current_thread(vm, penv, _args, true); | |
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4354 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(ret); |
| 0 | 4355 return ret; |
| 4356 } | |
| 4357 | |
| 4358 | |
| 4359 } // End extern "C" | |
| 4360 | |
| 4361 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 4362 NULL, | |
| 4363 NULL, | |
| 4364 NULL, | |
| 4365 | |
| 4366 jni_DestroyJavaVM, | |
| 4367 jni_AttachCurrentThread, | |
| 4368 jni_DetachCurrentThread, | |
| 4369 jni_GetEnv, | |
| 4370 jni_AttachCurrentThreadAsDaemon | |
| 4371 }; |