Mercurial > hg > graal-jvmci-8
annotate src/share/vm/prims/jni.cpp @ 23286:dd9cc155639c
Merge with jdk8u66-b17
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Thu, 07 Jan 2016 17:28:46 +0100 |
| parents | 939d5da65929 3300e511bc3a |
| children | 6ee2af864395 |
| 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" |
| 22298 | 36 #if INCLUDE_JVMCI |
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37 #include "jvmci/jvmciCompiler.hpp" |
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38 #include "jvmci/jvmciRuntime.hpp" |
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39 #endif |
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40 #if INCLUDE_ALL_GCS |
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41 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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42 #endif // INCLUDE_ALL_GCS |
| 6197 | 43 #include "memory/allocation.hpp" |
| 1972 | 44 #include "memory/allocation.inline.hpp" |
| 45 #include "memory/gcLocker.inline.hpp" | |
| 46 #include "memory/oopFactory.hpp" | |
| 47 #include "memory/universe.inline.hpp" | |
| 48 #include "oops/instanceKlass.hpp" | |
| 49 #include "oops/instanceOop.hpp" | |
| 50 #include "oops/markOop.hpp" | |
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51 #include "oops/method.hpp" |
| 1972 | 52 #include "oops/objArrayKlass.hpp" |
| 53 #include "oops/objArrayOop.hpp" | |
| 54 #include "oops/oop.inline.hpp" | |
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55 #include "oops/symbol.hpp" |
| 1972 | 56 #include "oops/typeArrayKlass.hpp" |
| 57 #include "oops/typeArrayOop.hpp" | |
| 58 #include "prims/jni.h" | |
| 59 #include "prims/jniCheck.hpp" | |
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60 #include "prims/jniExport.hpp" |
| 1972 | 61 #include "prims/jniFastGetField.hpp" |
| 62 #include "prims/jvm.h" | |
| 63 #include "prims/jvm_misc.hpp" | |
| 64 #include "prims/jvmtiExport.hpp" | |
| 65 #include "prims/jvmtiThreadState.hpp" | |
| 66 #include "runtime/compilationPolicy.hpp" | |
| 67 #include "runtime/fieldDescriptor.hpp" | |
| 68 #include "runtime/fprofiler.hpp" | |
| 69 #include "runtime/handles.inline.hpp" | |
| 70 #include "runtime/interfaceSupport.hpp" | |
| 71 #include "runtime/java.hpp" | |
| 72 #include "runtime/javaCalls.hpp" | |
| 73 #include "runtime/jfieldIDWorkaround.hpp" | |
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74 #include "runtime/orderAccess.inline.hpp" |
| 1972 | 75 #include "runtime/reflection.hpp" |
| 76 #include "runtime/sharedRuntime.hpp" | |
| 77 #include "runtime/signature.hpp" | |
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78 #include "runtime/thread.inline.hpp" |
| 1972 | 79 #include "runtime/vm_operations.hpp" |
| 20360 | 80 #include "services/memTracker.hpp" |
| 1972 | 81 #include "services/runtimeService.hpp" |
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82 #include "trace/tracing.hpp" |
| 1972 | 83 #include "utilities/defaultStream.hpp" |
| 84 #include "utilities/dtrace.hpp" | |
| 85 #include "utilities/events.hpp" | |
| 86 #include "utilities/histogram.hpp" | |
| 87 #ifdef TARGET_OS_FAMILY_linux | |
| 88 # include "os_linux.inline.hpp" | |
| 89 #endif | |
| 90 #ifdef TARGET_OS_FAMILY_solaris | |
| 91 # include "os_solaris.inline.hpp" | |
| 92 #endif | |
| 93 #ifdef TARGET_OS_FAMILY_windows | |
| 94 # include "os_windows.inline.hpp" | |
| 95 #endif | |
| 3960 | 96 #ifdef TARGET_OS_FAMILY_bsd |
| 97 # include "os_bsd.inline.hpp" | |
| 98 #endif | |
| 0 | 99 |
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100 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 101 |
| 102 | |
| 103 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 104 // '-return' probe regardless of the return path is taken out of the function. | |
| 105 // Methods that have multiple return paths use this to avoid having to | |
| 106 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 107 // since those macros can cause an immedate uninstrumented return. | |
| 108 // | |
| 109 // In order to get the return value, a reference to the variable containing | |
| 110 // the return value must be passed to the contructor of the object, and | |
| 111 // the return value must be set before return (since the mark object has | |
| 112 // a reference to it). | |
| 113 // | |
| 114 // Example: | |
| 115 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 116 // JNI_ENTRY(int, SomeFunc, ...) | |
| 117 // int return_value = 0; | |
| 118 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 119 // foo(CHECK_0) | |
| 120 // return_value = 5; | |
| 121 // return return_value; | |
| 122 // JNI_END | |
| 4006 | 123 #ifndef USDT2 |
| 0 | 124 #define DT_RETURN_MARK_DECL(name, type) \ |
| 125 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 126 DTRACE_ONLY( \ | |
| 127 class DTraceReturnProbeMark_##name { \ | |
| 128 public: \ | |
| 129 const type& _ret_ref; \ | |
| 130 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 131 ~DTraceReturnProbeMark_##name() { \ | |
| 132 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 133 } \ | |
| 134 } \ | |
| 135 ) | |
| 136 // Void functions are simpler since there's no return value | |
| 137 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 138 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 139 DTRACE_ONLY( \ | |
| 140 class DTraceReturnProbeMark_##name { \ | |
| 141 public: \ | |
| 142 ~DTraceReturnProbeMark_##name() { \ | |
| 143 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 144 } \ | |
| 145 } \ | |
| 146 ) | |
| 147 | |
| 4006 | 148 #else /* USDT2 */ |
| 149 | |
| 150 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 151 DTRACE_ONLY( \ | |
| 152 class DTraceReturnProbeMark_##name { \ | |
| 153 public: \ | |
| 154 const type& _ret_ref; \ | |
| 155 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 156 ~DTraceReturnProbeMark_##name() { \ | |
| 157 probe; \ | |
| 158 } \ | |
| 159 } \ | |
| 160 ) | |
| 161 // Void functions are simpler since there's no return value | |
| 162 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 163 DTRACE_ONLY( \ | |
| 164 class DTraceReturnProbeMark_##name { \ | |
| 165 public: \ | |
| 166 ~DTraceReturnProbeMark_##name() { \ | |
| 167 probe; \ | |
| 168 } \ | |
| 169 } \ | |
| 170 ) | |
| 171 #endif /* USDT2 */ | |
| 0 | 172 |
| 173 // Place these macros in the function to mark the return. Non-void | |
| 174 // functions need the type and address of the return value. | |
| 175 #define DT_RETURN_MARK(name, type, ref) \ | |
| 176 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 177 #define DT_VOID_RETURN_MARK(name) \ | |
| 178 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 179 | |
| 180 | |
| 181 // Use these to select distinct code for floating-point vs. non-floating point | |
| 182 // situations. Used from within common macros where we need slightly | |
| 183 // different behavior for Float/Double | |
| 184 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 189 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 190 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 191 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 192 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 193 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 194 FP_SELECT_##TypeName(intcode, fpcode) | |
| 195 | |
| 196 #define COMMA , | |
| 197 | |
| 198 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 199 // (dtrace doesn't do FP yet) | |
| 4006 | 200 #ifndef USDT2 |
| 0 | 201 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 202 FP_SELECT(TypeName, \ | |
| 203 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 204 #else /* USDT2 */ |
| 205 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 206 FP_SELECT(TypeName, \ | |
| 207 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 208 #endif /* USDT2 */ | |
| 0 | 209 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 210 FP_SELECT(TypeName, \ | |
| 211 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 212 | |
| 213 | |
| 214 // out-of-line helpers for class jfieldIDWorkaround: | |
| 215 | |
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216 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 217 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 218 uintptr_t as_uint = (uintptr_t) id; | |
| 219 intptr_t offset = raw_instance_offset(id); | |
| 220 if (is_checked_jfieldID(id)) { | |
| 221 if (!klass_hash_ok(k, id)) { | |
| 222 return false; | |
| 223 } | |
| 224 } | |
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225 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 226 } else { |
| 227 JNIid* result = (JNIid*) id; | |
| 228 #ifdef ASSERT | |
| 229 return result != NULL && result->is_static_field_id(); | |
| 230 #else | |
| 231 return result != NULL; | |
| 232 #endif | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 | |
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237 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 238 if (offset <= small_offset_mask) { |
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239 Klass* field_klass = k; |
| 6983 | 240 Klass* super_klass = field_klass->super(); |
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241 // With compressed oops the most super class with nonstatic fields would |
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242 // be the owner of fields embedded in the header. |
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243 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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244 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 245 field_klass = super_klass; // super contains the field also |
| 6983 | 246 super_klass = field_klass->super(); |
| 0 | 247 } |
| 248 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 249 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 250 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 251 } else { | |
| 252 #if 0 | |
| 253 #ifndef PRODUCT | |
| 254 { | |
| 255 ResourceMark rm; | |
| 6983 | 256 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 257 } |
| 258 #endif | |
| 259 #endif | |
| 260 return 0; | |
| 261 } | |
| 262 } | |
| 263 | |
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264 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 265 uintptr_t as_uint = (uintptr_t) id; |
| 266 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 267 do { | |
| 268 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 269 // Could use a non-blocking query for identity_hash here... | |
| 270 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 271 return true; | |
| 6983 | 272 k = k->super(); |
| 0 | 273 } while (k != NULL); |
| 274 return false; | |
| 275 } | |
| 276 | |
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277 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 278 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 279 uintptr_t as_uint = (uintptr_t) id; | |
| 280 intptr_t offset = raw_instance_offset(id); | |
| 281 if (VerifyJNIFields) { | |
| 282 if (is_checked_jfieldID(id)) { | |
| 283 guarantee(klass_hash_ok(k, id), | |
| 284 "Bug in native code: jfieldID class must match object"); | |
| 285 } else { | |
| 286 #if 0 | |
| 287 #ifndef PRODUCT | |
| 288 if (Verbose) { | |
| 289 ResourceMark rm; | |
| 6983 | 290 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 291 } |
| 292 #endif | |
| 293 #endif | |
| 294 } | |
| 295 } | |
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296 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 297 "Bug in native code: jfieldID offset must address interior of object"); |
| 298 } | |
| 299 | |
| 300 // Wrapper to trace JNI functions | |
| 301 | |
| 302 #ifdef ASSERT | |
| 303 Histogram* JNIHistogram; | |
| 304 static volatile jint JNIHistogram_lock = 0; | |
| 305 | |
| 306 class JNITraceWrapper : public StackObj { | |
| 307 public: | |
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308 JNITraceWrapper(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) { |
| 0 | 309 if (TraceJNICalls) { |
| 310 va_list ap; | |
| 311 va_start(ap, format); | |
| 312 tty->print("JNI "); | |
| 313 tty->vprint_cr(format, ap); | |
| 314 va_end(ap); | |
| 315 } | |
| 316 } | |
| 317 }; | |
| 318 | |
| 319 class JNIHistogramElement : public HistogramElement { | |
| 320 public: | |
| 321 JNIHistogramElement(const char* name); | |
| 322 }; | |
| 323 | |
| 324 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 325 _name = elementName; | |
| 326 uintx count = 0; | |
| 327 | |
| 328 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 329 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 330 count +=1; | |
| 331 if ( (WarnOnStalledSpinLock > 0) | |
| 332 && (count % WarnOnStalledSpinLock == 0)) { | |
| 333 warning("JNIHistogram_lock seems to be stalled"); | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 | |
| 339 if(JNIHistogram == NULL) | |
| 340 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 341 | |
| 342 JNIHistogram->add_element(this); | |
| 343 Atomic::dec(&JNIHistogram_lock); | |
| 344 } | |
| 345 | |
| 346 #define JNICountWrapper(arg) \ | |
| 347 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 348 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 349 if (e != NULL) e->increment_count() | |
| 350 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 351 #else | |
| 352 #define JNIWrapper(arg) | |
| 353 #endif | |
| 354 | |
| 355 | |
| 356 // Implementation of JNI entries | |
| 357 | |
| 4006 | 358 #ifndef USDT2 |
| 0 | 359 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 360 #else /* USDT2 */ |
| 361 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 362 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 363 #endif /* USDT2 */ | |
| 0 | 364 |
| 365 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 366 const jbyte *buf, jsize bufLen)) | |
| 367 JNIWrapper("DefineClass"); | |
| 368 | |
| 4006 | 369 #ifndef USDT2 |
| 0 | 370 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 371 env, name, loaderRef, buf, bufLen); | |
| 4006 | 372 #else /* USDT2 */ |
| 373 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 374 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 375 #endif /* USDT2 */ | |
| 0 | 376 jclass cls = NULL; |
| 377 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 378 | |
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379 TempNewSymbol class_name = NULL; |
| 0 | 380 // Since exceptions can be thrown, class initialization can take place |
| 381 // if name is NULL no check for class name in .class stream has to be made. | |
| 382 if (name != NULL) { | |
| 383 const int str_len = (int)strlen(name); | |
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384 if (str_len > Symbol::max_length()) { |
| 0 | 385 // It's impossible to create this class; the name cannot fit |
| 386 // into the constant pool. | |
| 387 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 388 } | |
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389 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 390 } |
| 391 ResourceMark rm(THREAD); | |
| 392 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 393 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 394 | |
| 395 if (UsePerfData && !class_loader.is_null()) { | |
| 396 // check whether the current caller thread holds the lock or not. | |
| 397 // If not, increment the corresponding counter | |
| 398 if (ObjectSynchronizer:: | |
| 399 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 400 ObjectSynchronizer::owner_self) { | |
| 401 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 402 } | |
| 403 } | |
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404 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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405 Handle(), &st, true, |
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406 CHECK_NULL); |
| 0 | 407 |
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408 if (TraceClassResolution && k != NULL) { |
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409 trace_class_resolution(k); |
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410 } |
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411 |
| 0 | 412 cls = (jclass)JNIHandles::make_local( |
| 6983 | 413 env, k->java_mirror()); |
| 0 | 414 return cls; |
| 415 JNI_END | |
| 416 | |
| 417 | |
| 418 | |
| 419 static bool first_time_FindClass = true; | |
| 420 | |
| 4006 | 421 #ifndef USDT2 |
| 0 | 422 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 423 #else /* USDT2 */ |
| 424 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 425 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 426 #endif /* USDT2 */ | |
| 0 | 427 |
| 428 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 429 JNIWrapper("FindClass"); | |
| 4006 | 430 #ifndef USDT2 |
| 0 | 431 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 432 #else /* USDT2 */ |
| 433 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 434 env, (char *)name); | |
| 435 #endif /* USDT2 */ | |
| 0 | 436 |
| 437 jclass result = NULL; | |
| 438 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 439 | |
| 440 // Remember if we are the first invocation of jni_FindClass | |
| 441 bool first_time = first_time_FindClass; | |
| 442 first_time_FindClass = false; | |
| 443 | |
| 444 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 445 // name we can fit in the constant pool. | |
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446 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 447 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 448 } | |
| 449 | |
| 450 //%note jni_3 | |
| 451 Handle loader; | |
| 452 Handle protection_domain; | |
| 453 // Find calling class | |
| 454 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 455 if (k.not_null()) { | |
| 456 loader = Handle(THREAD, k->class_loader()); | |
| 457 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 458 // in the correct class context. | |
| 459 if (loader.is_null() && | |
| 460 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 461 JavaValue result(T_OBJECT); | |
| 462 JavaCalls::call_static(&result, k, | |
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463 vmSymbols::getFromClass_name(), |
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464 vmSymbols::void_class_signature(), |
| 0 | 465 thread); |
| 466 if (HAS_PENDING_EXCEPTION) { | |
| 467 Handle ex(thread, thread->pending_exception()); | |
| 468 CLEAR_PENDING_EXCEPTION; | |
| 469 THROW_HANDLE_0(ex); | |
| 470 } | |
| 471 oop mirror = (oop) result.get_jobject(); | |
| 472 loader = Handle(THREAD, | |
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473 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 474 protection_domain = Handle(THREAD, |
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475 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 476 } |
| 477 } else { | |
| 478 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 479 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 480 } | |
| 481 | |
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482 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 483 result = find_class_from_class_loader(env, sym, true, loader, |
| 484 protection_domain, true, thread); | |
| 485 | |
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486 if (TraceClassResolution && result != NULL) { |
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487 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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488 } |
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489 |
| 0 | 490 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 491 // rather than just allowing invocation counter to overflow and decay. | |
| 492 // Controlled by flag DelayCompilationDuringStartup. | |
| 493 if (first_time && !CompileTheWorld) | |
| 494 CompilationPolicy::completed_vm_startup(); | |
| 495 | |
| 496 return result; | |
| 497 JNI_END | |
| 498 | |
| 4006 | 499 #ifndef USDT2 |
| 0 | 500 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 501 #else /* USDT2 */ |
| 502 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 503 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 504 #endif /* USDT2 */ | |
| 0 | 505 |
| 506 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 507 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 508 #ifndef USDT2 |
| 0 | 509 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 510 #else /* USDT2 */ |
| 511 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 512 env, method); | |
| 513 #endif /* USDT2 */ | |
| 0 | 514 jmethodID ret = NULL; |
| 515 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 516 | |
| 517 // method is a handle to a java.lang.reflect.Method object | |
| 518 oop reflected = JNIHandles::resolve_non_null(method); | |
| 519 oop mirror = NULL; | |
| 520 int slot = 0; | |
| 521 | |
| 1142 | 522 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 523 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 524 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 525 } else { | |
| 1142 | 526 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 527 mirror = java_lang_reflect_Method::clazz(reflected); |
| 528 slot = java_lang_reflect_Method::slot(reflected); | |
| 529 } | |
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530 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 531 |
| 532 KlassHandle k1(THREAD, k); | |
| 533 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 534 k1()->initialize(CHECK_NULL); |
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535 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 536 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 537 return ret; | |
| 538 JNI_END | |
| 539 | |
| 4006 | 540 #ifndef USDT2 |
| 0 | 541 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 542 #else /* USDT2 */ |
| 543 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 544 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 545 #endif /* USDT2 */ | |
| 0 | 546 |
| 547 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 548 JNIWrapper("FromReflectedField"); | |
| 4006 | 549 #ifndef USDT2 |
| 0 | 550 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 551 #else /* USDT2 */ |
| 552 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 553 env, field); | |
| 554 #endif /* USDT2 */ | |
| 0 | 555 jfieldID ret = NULL; |
| 556 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 557 | |
| 558 // field is a handle to a java.lang.reflect.Field object | |
| 559 oop reflected = JNIHandles::resolve_non_null(field); | |
| 560 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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561 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 562 int slot = java_lang_reflect_Field::slot(reflected); |
| 563 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 564 | |
| 565 KlassHandle k1(THREAD, k); | |
| 566 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 567 k1()->initialize(CHECK_NULL); |
| 0 | 568 |
| 569 // First check if this is a static field | |
| 570 if (modifiers & JVM_ACC_STATIC) { | |
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571 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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572 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 573 assert(id != NULL, "corrupt Field object"); |
| 574 debug_only(id->set_is_static_field_id();) | |
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575 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 576 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 577 return ret; | |
| 578 } | |
| 579 | |
| 580 // The slot is the index of the field description in the field-array | |
| 581 // The jfieldID is the offset of the field within the object | |
| 582 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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583 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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584 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 585 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 586 return ret; | |
| 587 JNI_END | |
| 588 | |
| 4006 | 589 #ifndef USDT2 |
| 0 | 590 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 591 #else /* USDT2 */ |
| 592 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 593 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 594 #endif /* USDT2 */ | |
| 0 | 595 |
| 596 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 597 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 598 #ifndef USDT2 |
| 0 | 599 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 600 #else /* USDT2 */ |
| 601 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 602 env, cls, (uintptr_t) method_id, isStatic); | |
| 603 #endif /* USDT2 */ | |
| 0 | 604 jobject ret = NULL; |
| 605 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 606 | |
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607 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 608 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 609 oop reflection_method; | |
| 610 if (m->is_initializer()) { | |
| 611 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 612 } else { | |
| 613 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 614 } | |
| 615 ret = JNIHandles::make_local(env, reflection_method); | |
| 616 return ret; | |
| 617 JNI_END | |
| 618 | |
| 4006 | 619 #ifndef USDT2 |
| 0 | 620 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 621 #else /* USDT2 */ |
| 622 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 623 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 624 #endif /* USDT2 */ | |
| 0 | 625 |
| 626 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 627 JNIWrapper("GetSuperclass"); | |
| 4006 | 628 #ifndef USDT2 |
| 0 | 629 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 630 #else /* USDT2 */ |
| 631 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 632 env, sub); | |
| 633 #endif /* USDT2 */ | |
| 0 | 634 jclass obj = NULL; |
| 635 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 636 | |
| 637 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 638 // primitive classes return NULL | |
| 639 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 640 | |
| 641 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 642 // arrays return Object | |
| 643 // interfaces return NULL | |
| 644 // proper classes return Klass::super() | |
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645 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 646 if (k->is_interface()) return NULL; |
| 0 | 647 |
| 648 // return mirror for superclass | |
| 6983 | 649 Klass* super = k->java_super(); |
| 0 | 650 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 651 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 652 ? SystemDictionary::Object_klass() |
| 6983 | 653 : k->super() ) ); |
| 0 | 654 assert(super == super2, |
| 655 "java_super computation depends on interface, array, other super"); | |
| 6983 | 656 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 657 return obj; |
| 658 JNI_END | |
| 659 | |
| 660 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 661 JNIWrapper("IsSubclassOf"); | |
| 4006 | 662 #ifndef USDT2 |
| 0 | 663 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 664 #else /* USDT2 */ |
| 665 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 666 env, sub, super); | |
| 667 #endif /* USDT2 */ | |
| 0 | 668 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 669 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 670 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 671 java_lang_Class::is_primitive(super_mirror)) { | |
| 672 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 673 #ifndef USDT2 |
| 0 | 674 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 675 #else /* USDT2 */ |
| 676 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 677 ret); | |
| 678 #endif /* USDT2 */ | |
| 0 | 679 return ret; |
| 680 } | |
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681 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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682 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 683 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 684 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 685 JNI_TRUE : JNI_FALSE; |
| 4006 | 686 #ifndef USDT2 |
| 0 | 687 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 688 #else /* USDT2 */ |
| 689 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 690 ret); | |
| 691 #endif /* USDT2 */ | |
| 0 | 692 return ret; |
| 693 JNI_END | |
| 694 | |
| 4006 | 695 #ifndef USDT2 |
| 0 | 696 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 697 #else /* USDT2 */ |
| 698 DT_RETURN_MARK_DECL(Throw, jint | |
| 699 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 700 #endif /* USDT2 */ | |
| 0 | 701 |
| 702 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 703 JNIWrapper("Throw"); | |
| 4006 | 704 #ifndef USDT2 |
| 0 | 705 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 706 #else /* USDT2 */ |
| 707 HOTSPOT_JNI_THROW_ENTRY( | |
| 708 env, obj); | |
| 709 #endif /* USDT2 */ | |
| 0 | 710 jint ret = JNI_OK; |
| 711 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 712 | |
| 713 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 714 ShouldNotReachHere(); | |
| 715 JNI_END | |
| 716 | |
| 4006 | 717 #ifndef USDT2 |
| 0 | 718 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 719 #else /* USDT2 */ |
| 720 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 721 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 722 #endif /* USDT2 */ | |
| 0 | 723 |
| 724 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 725 JNIWrapper("ThrowNew"); | |
| 4006 | 726 #ifndef USDT2 |
| 0 | 727 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 728 #else /* USDT2 */ |
| 729 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 730 env, clazz, (char *) message); | |
| 731 #endif /* USDT2 */ | |
| 0 | 732 jint ret = JNI_OK; |
| 733 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 734 | |
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735 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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736 Symbol* name = k->name(); |
| 0 | 737 Handle class_loader (THREAD, k->class_loader()); |
| 738 Handle protection_domain (THREAD, k->protection_domain()); | |
| 739 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 740 ShouldNotReachHere(); | |
| 741 JNI_END | |
| 742 | |
| 743 | |
| 744 // JNI functions only transform a pending async exception to a synchronous | |
| 745 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 746 // delivering an async exception in other places won't change the native | |
| 747 // code's control flow and would be harmful when native code further calls | |
| 748 // JNI functions with a pending exception. Async exception is also checked | |
| 749 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 750 // false but deliver the async exception at the very end during | |
| 751 // state transition. | |
| 752 | |
| 753 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 754 assert(thread == Thread::current(), "must be itself"); | |
| 755 thread->check_and_handle_async_exceptions(); | |
| 756 } | |
| 757 | |
| 758 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 759 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 760 #ifndef USDT2 |
| 0 | 761 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 762 #else /* USDT2 */ |
| 763 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 764 env); | |
| 765 #endif /* USDT2 */ | |
| 0 | 766 jni_check_async_exceptions(thread); |
| 767 oop exception = thread->pending_exception(); | |
| 768 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 769 #ifndef USDT2 |
| 0 | 770 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 771 #else /* USDT2 */ |
| 772 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 773 ret); | |
| 774 #endif /* USDT2 */ | |
| 0 | 775 return ret; |
| 776 JNI_END | |
| 777 | |
| 778 | |
| 779 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 780 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 781 #ifndef USDT2 |
| 0 | 782 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 783 #else /* USDT2 */ |
| 784 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 785 env); | |
| 786 #endif /* USDT2 */ | |
| 0 | 787 if (thread->has_pending_exception()) { |
| 788 Handle ex(thread, thread->pending_exception()); | |
| 789 thread->clear_pending_exception(); | |
| 1142 | 790 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 791 // Don't print anything if we are being killed. |
| 792 } else { | |
| 793 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 794 if (thread != NULL && thread->threadObj() != NULL) { | |
| 795 ResourceMark rm(THREAD); | |
| 796 jio_fprintf(defaultStream::error_stream(), | |
| 797 "in thread \"%s\" ", thread->get_thread_name()); | |
| 798 } | |
| 1142 | 799 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 800 JavaValue result(T_VOID); |
| 801 JavaCalls::call_virtual(&result, | |
| 802 ex, | |
| 803 KlassHandle(THREAD, | |
| 1142 | 804 SystemDictionary::Throwable_klass()), |
|
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805 vmSymbols::printStackTrace_name(), |
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806 vmSymbols::void_method_signature(), |
| 0 | 807 THREAD); |
| 808 // If an exception is thrown in the call it gets thrown away. Not much | |
| 809 // we can do with it. The native code that calls this, does not check | |
| 810 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 811 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 812 // is expected. | |
| 813 CLEAR_PENDING_EXCEPTION; | |
| 814 } else { | |
| 815 ResourceMark rm(THREAD); | |
| 816 jio_fprintf(defaultStream::error_stream(), | |
| 817 ". Uncaught exception of type %s.", | |
| 6983 | 818 ex->klass()->external_name()); |
| 0 | 819 } |
| 820 } | |
| 821 } | |
| 4006 | 822 #ifndef USDT2 |
| 0 | 823 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 824 #else /* USDT2 */ |
| 825 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 826 ); | |
| 827 #endif /* USDT2 */ | |
| 0 | 828 JNI_END |
| 829 | |
| 830 | |
| 831 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 832 JNIWrapper("ExceptionClear"); | |
| 4006 | 833 #ifndef USDT2 |
| 0 | 834 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 835 #else /* USDT2 */ |
| 836 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 837 env); | |
| 838 #endif /* USDT2 */ | |
| 0 | 839 |
| 840 // The jni code might be using this API to clear java thrown exception. | |
| 841 // So just mark jvmti thread exception state as exception caught. | |
| 842 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 843 if (state != NULL && state->is_exception_detected()) { | |
| 844 state->set_exception_caught(); | |
| 845 } | |
| 846 thread->clear_pending_exception(); | |
| 4006 | 847 #ifndef USDT2 |
| 0 | 848 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 849 #else /* USDT2 */ |
| 850 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 851 ); | |
| 852 #endif /* USDT2 */ | |
| 0 | 853 JNI_END |
| 854 | |
| 855 | |
| 856 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 857 JNIWrapper("FatalError"); | |
| 4006 | 858 #ifndef USDT2 |
| 0 | 859 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 860 #else /* USDT2 */ |
| 861 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 862 env, (char *) msg); | |
| 863 #endif /* USDT2 */ | |
| 0 | 864 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 865 thread->print_stack(); | |
|
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866 os::abort(); // Dump core and abort |
| 0 | 867 JNI_END |
| 868 | |
| 869 | |
| 870 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 871 JNIWrapper("PushLocalFrame"); | |
| 4006 | 872 #ifndef USDT2 |
| 0 | 873 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 874 #else /* USDT2 */ |
| 875 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 876 env, capacity); | |
| 877 #endif /* USDT2 */ | |
| 0 | 878 //%note jni_11 |
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879 if (capacity < 0 || |
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880 ((MaxJNILocalCapacity > 0) && (capacity > MaxJNILocalCapacity))) { |
| 4006 | 881 #ifndef USDT2 |
| 0 | 882 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 883 #else /* USDT2 */ |
| 884 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 885 (uint32_t)JNI_ERR); | |
| 886 #endif /* USDT2 */ | |
| 0 | 887 return JNI_ERR; |
| 888 } | |
| 889 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 890 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 891 assert(new_handles != NULL, "should not be NULL"); | |
| 892 new_handles->set_pop_frame_link(old_handles); | |
| 893 thread->set_active_handles(new_handles); | |
| 894 jint ret = JNI_OK; | |
| 4006 | 895 #ifndef USDT2 |
| 0 | 896 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 897 #else /* USDT2 */ |
| 898 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 899 ret); | |
| 900 #endif /* USDT2 */ | |
| 0 | 901 return ret; |
| 902 JNI_END | |
| 903 | |
| 904 | |
| 905 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 906 JNIWrapper("PopLocalFrame"); | |
| 4006 | 907 #ifndef USDT2 |
| 0 | 908 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 909 #else /* USDT2 */ |
| 910 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 911 env, result); | |
| 912 #endif /* USDT2 */ | |
| 0 | 913 //%note jni_11 |
| 914 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 915 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 916 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 917 if (new_handles != NULL) { | |
| 918 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 919 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 920 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 921 // the release_block call will release the blocks. | |
| 922 thread->set_active_handles(new_handles); | |
| 923 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 924 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 925 result = JNIHandles::make_local(thread, result_handle()); | |
| 926 } | |
| 4006 | 927 #ifndef USDT2 |
| 0 | 928 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 929 #else /* USDT2 */ |
| 930 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 931 result); | |
| 932 #endif /* USDT2 */ | |
| 0 | 933 return result; |
| 934 JNI_END | |
| 935 | |
| 936 | |
| 937 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 938 JNIWrapper("NewGlobalRef"); | |
| 4006 | 939 #ifndef USDT2 |
| 0 | 940 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 941 #else /* USDT2 */ |
| 942 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 943 env, ref); | |
| 944 #endif /* USDT2 */ | |
| 0 | 945 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 946 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 947 #ifndef USDT2 |
| 0 | 948 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 949 #else /* USDT2 */ |
| 950 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 951 ret); | |
| 952 #endif /* USDT2 */ | |
| 0 | 953 return ret; |
| 954 JNI_END | |
| 955 | |
| 956 // Must be JNI_ENTRY (with HandleMark) | |
| 957 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 958 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 959 #ifndef USDT2 |
| 0 | 960 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 961 #else /* USDT2 */ |
| 962 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 963 env, ref); | |
| 964 #endif /* USDT2 */ | |
| 0 | 965 JNIHandles::destroy_global(ref); |
| 4006 | 966 #ifndef USDT2 |
| 0 | 967 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 968 #else /* USDT2 */ |
| 969 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 970 ); | |
| 971 #endif /* USDT2 */ | |
| 0 | 972 JNI_END |
| 973 | |
| 974 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 975 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 976 #ifndef USDT2 |
| 0 | 977 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 978 #else /* USDT2 */ |
| 979 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 980 env, obj); | |
| 981 #endif /* USDT2 */ | |
| 0 | 982 JNIHandles::destroy_local(obj); |
| 4006 | 983 #ifndef USDT2 |
| 0 | 984 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 985 #else /* USDT2 */ |
| 986 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 987 ); | |
| 988 #endif /* USDT2 */ | |
| 0 | 989 JNI_END |
| 990 | |
| 991 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 992 JNIWrapper("IsSameObject"); | |
| 4006 | 993 #ifndef USDT2 |
| 0 | 994 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 995 #else /* USDT2 */ |
| 996 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 997 env, r1, r2); | |
| 998 #endif /* USDT2 */ | |
| 0 | 999 oop a = JNIHandles::resolve(r1); |
| 1000 oop b = JNIHandles::resolve(r2); | |
| 1001 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1002 #ifndef USDT2 |
| 0 | 1003 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1004 #else /* USDT2 */ |
| 1005 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1006 ret); | |
| 1007 #endif /* USDT2 */ | |
| 0 | 1008 return ret; |
| 1009 JNI_END | |
| 1010 | |
| 1011 | |
| 1012 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1013 JNIWrapper("NewLocalRef"); | |
| 4006 | 1014 #ifndef USDT2 |
| 0 | 1015 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1016 #else /* USDT2 */ |
| 1017 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1018 env, ref); | |
| 1019 #endif /* USDT2 */ | |
| 0 | 1020 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1021 #ifndef USDT2 |
| 0 | 1022 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1023 #else /* USDT2 */ |
| 1024 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1025 ret); | |
| 1026 #endif /* USDT2 */ | |
| 0 | 1027 return ret; |
| 1028 JNI_END | |
| 1029 | |
| 1030 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1031 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1032 #ifndef USDT2 |
| 0 | 1033 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1034 #else /* USDT2 */ |
| 1035 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1036 env, capacity); | |
| 1037 #endif /* USDT2 */ | |
| 0 | 1038 jint ret; |
|
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1040 ((MaxJNILocalCapacity <= 0) || (capacity <= MaxJNILocalCapacity))) { |
| 0 | 1041 ret = JNI_OK; |
| 1042 } else { | |
| 1043 ret = JNI_ERR; | |
| 1044 } | |
| 4006 | 1045 #ifndef USDT2 |
| 0 | 1046 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1047 #else /* USDT2 */ |
| 1048 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1049 ret); | |
| 1050 #endif /* USDT2 */ | |
| 0 | 1051 return ret; |
| 1052 JNI_END | |
| 1053 | |
| 1054 // Return the Handle Type | |
| 1055 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1056 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1057 #ifndef USDT2 |
| 0 | 1058 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1059 #else /* USDT2 */ |
| 1060 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1061 env, obj); | |
| 1062 #endif /* USDT2 */ | |
| 0 | 1063 jobjectRefType ret; |
| 1064 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1065 JNIHandles::is_frame_handle(thread, obj)) | |
| 1066 ret = JNILocalRefType; | |
| 1067 else if (JNIHandles::is_global_handle(obj)) | |
| 1068 ret = JNIGlobalRefType; | |
| 1069 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1070 ret = JNIWeakGlobalRefType; | |
| 1071 else | |
| 1072 ret = JNIInvalidRefType; | |
| 4006 | 1073 #ifndef USDT2 |
| 0 | 1074 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1075 #else /* USDT2 */ |
| 1076 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1077 (void *) ret); | |
| 1078 #endif /* USDT2 */ | |
| 0 | 1079 return ret; |
| 1080 JNI_END | |
| 1081 | |
| 1082 | |
| 1083 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1084 protected: | |
| 1085 JavaCallArguments* _arguments; | |
| 1086 | |
| 1087 virtual void get_bool () = 0; | |
| 1088 virtual void get_char () = 0; | |
| 1089 virtual void get_short () = 0; | |
| 1090 virtual void get_byte () = 0; | |
| 1091 virtual void get_int () = 0; | |
| 1092 virtual void get_long () = 0; | |
| 1093 virtual void get_float () = 0; | |
| 1094 virtual void get_double () = 0; | |
| 1095 virtual void get_object () = 0; | |
| 1096 | |
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1097 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1098 this->_return_type = T_ILLEGAL; |
| 1099 _arguments = NULL; | |
| 1100 } | |
| 1101 | |
| 1102 public: | |
| 1103 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1104 | |
| 1105 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1106 | |
| 1107 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1108 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1109 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1110 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1111 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1112 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1113 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1114 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1115 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1116 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1117 inline void do_void() { } | |
| 1118 | |
| 1119 JavaCallArguments* arguments() { return _arguments; } | |
| 1120 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1121 }; | |
| 1122 | |
| 1123 | |
| 1124 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1125 protected: | |
| 1126 va_list _ap; | |
| 1127 | |
| 1128 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1129 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1130 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1131 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1132 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1133 | |
| 1134 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1135 | |
| 1136 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1137 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1138 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1139 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1140 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1141 | |
| 1142 inline void set_ap(va_list rap) { | |
| 1143 #ifdef va_copy | |
| 1144 va_copy(_ap, rap); | |
| 1145 #elif defined (__va_copy) | |
| 1146 __va_copy(_ap, rap); | |
| 1147 #else | |
| 1148 _ap = rap; | |
| 1149 #endif | |
| 1150 } | |
| 1151 | |
| 1152 public: | |
|
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1153 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1154 : JNI_ArgumentPusher(signature) { |
| 0 | 1155 set_ap(rap); |
| 1156 } | |
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1157 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1158 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1159 set_ap(rap); |
| 1160 } | |
| 1161 | |
| 1162 // Optimized path if we have the bitvector form of signature | |
| 1163 void iterate( uint64_t fingerprint ) { | |
| 1164 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1165 else { | |
| 1166 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1167 result_feature_mask); | |
| 1168 | |
| 1169 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1170 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1171 while ( 1 ) { | |
| 1172 switch ( fingerprint & parameter_feature_mask ) { | |
| 1173 case bool_parm: | |
| 1174 case char_parm: | |
| 1175 case short_parm: | |
| 1176 case byte_parm: | |
| 1177 case int_parm: | |
| 1178 get_int(); | |
| 1179 break; | |
| 1180 case obj_parm: | |
| 1181 get_object(); | |
| 1182 break; | |
| 1183 case long_parm: | |
| 1184 get_long(); | |
| 1185 break; | |
| 1186 case float_parm: | |
| 1187 get_float(); | |
| 1188 break; | |
| 1189 case double_parm: | |
| 1190 get_double(); | |
| 1191 break; | |
| 1192 case done_parm: | |
| 1193 return; | |
| 1194 break; | |
| 1195 default: | |
| 1196 ShouldNotReachHere(); | |
| 1197 break; | |
| 1198 } | |
| 1199 fingerprint >>= parameter_feature_size; | |
| 1200 } | |
| 1201 } | |
| 1202 } | |
| 1203 }; | |
| 1204 | |
| 1205 | |
| 1206 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1207 protected: | |
| 1208 const jvalue *_ap; | |
| 1209 | |
| 1210 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1211 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1212 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1213 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1214 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1215 | |
| 1216 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1217 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1218 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1219 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1220 | |
| 1221 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1222 | |
| 1223 public: | |
|
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1224 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1225 : JNI_ArgumentPusher(signature) { |
| 0 | 1226 set_ap(rap); |
| 1227 } | |
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1228 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1229 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1230 set_ap(rap); |
| 1231 } | |
| 1232 | |
| 1233 // Optimized path if we have the bitvector form of signature | |
| 1234 void iterate( uint64_t fingerprint ) { | |
| 1235 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1236 else { | |
| 1237 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1238 result_feature_mask); | |
| 1239 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1240 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1241 while ( 1 ) { | |
| 1242 switch ( fingerprint & parameter_feature_mask ) { | |
| 1243 case bool_parm: | |
| 1244 get_bool(); | |
| 1245 break; | |
| 1246 case char_parm: | |
| 1247 get_char(); | |
| 1248 break; | |
| 1249 case short_parm: | |
| 1250 get_short(); | |
| 1251 break; | |
| 1252 case byte_parm: | |
| 1253 get_byte(); | |
| 1254 break; | |
| 1255 case int_parm: | |
| 1256 get_int(); | |
| 1257 break; | |
| 1258 case obj_parm: | |
| 1259 get_object(); | |
| 1260 break; | |
| 1261 case long_parm: | |
| 1262 get_long(); | |
| 1263 break; | |
| 1264 case float_parm: | |
| 1265 get_float(); | |
| 1266 break; | |
| 1267 case double_parm: | |
| 1268 get_double(); | |
| 1269 break; | |
| 1270 case done_parm: | |
| 1271 return; | |
| 1272 break; | |
| 1273 default: | |
| 1274 ShouldNotReachHere(); | |
| 1275 break; | |
| 1276 } | |
| 1277 fingerprint >>= parameter_feature_size; | |
| 1278 } | |
| 1279 } | |
| 1280 } | |
| 1281 }; | |
| 1282 | |
| 1283 | |
| 1284 enum JNICallType { | |
| 1285 JNI_STATIC, | |
| 1286 JNI_VIRTUAL, | |
| 1287 JNI_NONVIRTUAL | |
| 1288 }; | |
| 1289 | |
| 1290 | |
| 1291 | |
| 1292 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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1293 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1294 |
| 1295 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1296 // the jni parser | |
| 1297 ResourceMark rm(THREAD); | |
| 1298 int number_of_parameters = method->size_of_parameters(); | |
| 1299 JavaCallArguments java_args(number_of_parameters); | |
| 1300 args->set_java_argument_object(&java_args); | |
| 1301 | |
| 1302 assert(method->is_static(), "method should be static"); | |
| 1303 | |
| 1304 // Fill out JavaCallArguments object | |
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1305 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1306 // Initialize result type |
| 1307 result->set_type(args->get_ret_type()); | |
| 1308 | |
| 1309 // Invoke the method. Result is returned as oop. | |
| 1310 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1311 | |
| 1312 // Convert result | |
| 1313 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1314 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1315 } | |
| 1316 } | |
| 1317 | |
| 1318 | |
| 1319 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1320 oop recv = JNIHandles::resolve(receiver); | |
| 1321 if (recv == NULL) { | |
| 1322 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1323 } | |
| 1324 Handle h_recv(THREAD, recv); | |
| 1325 | |
| 1326 int number_of_parameters; | |
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1327 Method* selected_method; |
| 0 | 1328 { |
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1329 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1330 number_of_parameters = m->size_of_parameters(); |
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1331 Klass* holder = m->method_holder(); |
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1332 if (call_type != JNI_VIRTUAL) { |
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1333 selected_method = m; |
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1334 } else if (!m->has_itable_index()) { |
| 0 | 1335 // non-interface call -- for that little speed boost, don't handlize |
| 1336 debug_only(No_Safepoint_Verifier nosafepoint;) | |
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1337 // jni_GetMethodID makes sure class is linked and initialized |
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1338 // so m should have a valid vtable index. |
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1339 assert(m->valid_vtable_index(), "no valid vtable index"); |
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1340 int vtbl_index = m->vtable_index(); |
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1341 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1342 Klass* k = h_recv->klass(); |
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1343 // k might be an arrayKlassOop but all vtables start at |
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1344 // the same place. The cast is to avoid virtual call and assertion. |
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1345 InstanceKlass *ik = (InstanceKlass*)k; |
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1346 selected_method = ik->method_at_vtable(vtbl_index); |
| 0 | 1347 } else { |
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1348 // final method |
| 0 | 1349 selected_method = m; |
| 1350 } | |
| 1351 } else { | |
| 1352 // interface call | |
| 1353 KlassHandle h_holder(THREAD, holder); | |
| 1354 | |
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1355 int itbl_index = m->itable_index(); |
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1356 Klass* k = h_recv->klass(); |
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1357 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1358 } |
| 1359 } | |
| 1360 | |
| 1361 methodHandle method(THREAD, selected_method); | |
| 1362 | |
| 1363 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1364 // the jni parser | |
| 1365 ResourceMark rm(THREAD); | |
| 1366 JavaCallArguments java_args(number_of_parameters); | |
| 1367 args->set_java_argument_object(&java_args); | |
| 1368 | |
| 1369 // handle arguments | |
| 1370 assert(!method->is_static(), "method should not be static"); | |
| 1371 args->push_receiver(h_recv); // Push jobject handle | |
| 1372 | |
| 1373 // Fill out JavaCallArguments object | |
|
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1374 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1375 // Initialize result type |
| 1376 result->set_type(args->get_ret_type()); | |
| 1377 | |
| 1378 // Invoke the method. Result is returned as oop. | |
| 1379 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1380 | |
| 1381 // Convert result | |
| 1382 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1383 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1384 } | |
| 1385 } | |
| 1386 | |
| 1387 | |
| 1388 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1389 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1390 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1391 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1392 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1393 return ih; |
| 1394 } | |
| 1395 | |
| 4006 | 1396 #ifndef USDT2 |
| 0 | 1397 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1398 #else /* USDT2 */ |
| 1399 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1400 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1401 #endif /* USDT2 */ | |
| 0 | 1402 |
| 1403 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1404 JNIWrapper("AllocObject"); | |
| 1405 | |
| 4006 | 1406 #ifndef USDT2 |
| 0 | 1407 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1408 #else /* USDT2 */ |
| 1409 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1410 env, clazz); | |
| 1411 #endif /* USDT2 */ | |
| 0 | 1412 jobject ret = NULL; |
| 1413 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1414 | |
| 1415 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1416 ret = JNIHandles::make_local(env, i); | |
| 1417 return ret; | |
| 1418 JNI_END | |
| 1419 | |
| 4006 | 1420 #ifndef USDT2 |
| 0 | 1421 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1422 #else /* USDT2 */ |
| 1423 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1424 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1425 #endif /* USDT2 */ | |
| 0 | 1426 |
| 1427 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1428 JNIWrapper("NewObjectA"); | |
| 4006 | 1429 #ifndef USDT2 |
| 0 | 1430 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1431 #else /* USDT2 */ |
| 1432 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1433 env, clazz, (uintptr_t) methodID); | |
| 1434 #endif /* USDT2 */ | |
| 0 | 1435 jobject obj = NULL; |
| 1436 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1437 | |
| 1438 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1439 obj = JNIHandles::make_local(env, i); | |
| 1440 JavaValue jvalue(T_VOID); | |
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1441 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1442 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1443 return obj; | |
| 1444 JNI_END | |
| 1445 | |
| 4006 | 1446 #ifndef USDT2 |
| 0 | 1447 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1448 #else /* USDT2 */ |
| 1449 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1450 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1451 #endif /* USDT2 */ | |
| 0 | 1452 |
| 1453 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1454 JNIWrapper("NewObjectV"); | |
| 4006 | 1455 #ifndef USDT2 |
| 0 | 1456 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1457 #else /* USDT2 */ |
| 1458 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1459 env, clazz, (uintptr_t) methodID); | |
| 1460 #endif /* USDT2 */ | |
| 0 | 1461 jobject obj = NULL; |
| 1462 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1463 | |
| 1464 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1465 obj = JNIHandles::make_local(env, i); | |
| 1466 JavaValue jvalue(T_VOID); | |
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1467 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1468 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1469 return obj; | |
| 1470 JNI_END | |
| 1471 | |
| 4006 | 1472 #ifndef USDT2 |
| 0 | 1473 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1474 #else /* USDT2 */ |
| 1475 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1476 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1477 #endif /* USDT2 */ | |
| 0 | 1478 |
| 1479 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1480 JNIWrapper("NewObject"); | |
| 4006 | 1481 #ifndef USDT2 |
| 0 | 1482 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1483 #else /* USDT2 */ |
| 1484 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1485 env, clazz, (uintptr_t) methodID); | |
| 1486 #endif /* USDT2 */ | |
| 0 | 1487 jobject obj = NULL; |
| 1488 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1489 | |
| 1490 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1491 obj = JNIHandles::make_local(env, i); | |
| 1492 va_list args; | |
| 1493 va_start(args, methodID); | |
| 1494 JavaValue jvalue(T_VOID); | |
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1495 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1496 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1497 va_end(args); | |
| 1498 return obj; | |
| 1499 JNI_END | |
| 1500 | |
| 1501 | |
| 1502 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1503 JNIWrapper("GetObjectClass"); | |
| 4006 | 1504 #ifndef USDT2 |
| 0 | 1505 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1506 #else /* USDT2 */ |
| 1507 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1508 env, obj); | |
| 1509 #endif /* USDT2 */ | |
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1510 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1511 jclass ret = |
| 6983 | 1512 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1513 #ifndef USDT2 |
| 0 | 1514 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1515 #else /* USDT2 */ |
| 1516 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1517 ret); | |
| 1518 #endif /* USDT2 */ | |
| 0 | 1519 return ret; |
| 1520 JNI_END | |
| 1521 | |
| 1522 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1523 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1524 #ifndef USDT2 |
| 0 | 1525 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1526 #else /* USDT2 */ |
| 1527 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1528 env, obj, clazz); | |
| 1529 #endif /* USDT2 */ | |
| 0 | 1530 jboolean ret = JNI_TRUE; |
| 1531 if (obj != NULL) { | |
| 1532 ret = JNI_FALSE; | |
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1533 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1534 JNIHandles::resolve_non_null(clazz)); |
| 1535 if (k != NULL) { | |
| 1536 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1537 } | |
| 1538 } | |
| 4006 | 1539 #ifndef USDT2 |
| 0 | 1540 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1541 #else /* USDT2 */ |
| 1542 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1543 ret); | |
| 1544 #endif /* USDT2 */ | |
| 0 | 1545 return ret; |
| 1546 JNI_END | |
| 1547 | |
| 1548 | |
| 1549 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1550 const char *sig, bool is_static, TRAPS) { | |
| 1551 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1552 // | |
| 1553 // The class should have been loaded (we have an instance of the class | |
| 1554 // passed in) so the method and signature should already be in the symbol | |
| 1555 // table. If they're not there, the method doesn't exist. | |
|
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1556 const char *name_to_probe = (name_str == NULL) |
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1557 ? vmSymbols::object_initializer_name()->as_C_string() |
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1558 : name_str; |
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1559 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1560 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1561 |
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1562 if (name == NULL || signature == NULL) { |
| 0 | 1563 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1564 } | |
| 1565 | |
| 1566 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1567 // primitive java.lang.Class | |
| 1568 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1569 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1570 } | |
| 1571 | |
| 1572 KlassHandle klass(THREAD, | |
|
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1573 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1574 |
| 1575 // Make sure class is linked and initialized before handing id's out to | |
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1576 // Method*s. |
| 6983 | 1577 klass()->initialize(CHECK_NULL); |
| 0 | 1578 |
|
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1579 Method* m; |
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1580 if (name == vmSymbols::object_initializer_name() || |
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1581 name == vmSymbols::class_initializer_name()) { |
| 0 | 1582 // Never search superclasses for constructors |
| 1583 if (klass->oop_is_instance()) { | |
|
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1584 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1585 } else { |
| 1586 m = NULL; | |
| 1587 } | |
| 1588 } else { | |
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1589 m = klass->lookup_method(name, signature); |
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1590 if (m == NULL && klass->oop_is_instance()) { |
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1591 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
| 0 | 1592 } |
| 1593 } | |
| 1594 if (m == NULL || (m->is_static() != is_static)) { | |
| 1595 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1596 } | |
| 1597 return m->jmethod_id(); | |
| 1598 } | |
| 1599 | |
| 1600 | |
| 1601 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1602 const char *name, const char *sig)) | |
| 1603 JNIWrapper("GetMethodID"); | |
| 4006 | 1604 #ifndef USDT2 |
| 0 | 1605 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1606 #else /* USDT2 */ |
| 1607 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1608 env, clazz, (char *) name, (char *) sig); | |
| 1609 #endif /* USDT2 */ | |
| 0 | 1610 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1611 #ifndef USDT2 |
| 0 | 1612 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1613 #else /* USDT2 */ |
| 1614 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1615 (uintptr_t) ret); | |
| 1616 #endif /* USDT2 */ | |
| 0 | 1617 return ret; |
| 1618 JNI_END | |
| 1619 | |
| 1620 | |
| 1621 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1622 const char *name, const char *sig)) | |
| 1623 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1624 #ifndef USDT2 |
| 0 | 1625 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1626 #else /* USDT2 */ |
| 1627 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1628 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1629 #endif /* USDT2 */ | |
| 0 | 1630 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1631 #ifndef USDT2 |
| 0 | 1632 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1633 #else /* USDT2 */ |
| 1634 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1635 (uintptr_t) ret); | |
| 1636 #endif /* USDT2 */ | |
| 0 | 1637 return ret; |
| 1638 JNI_END | |
| 1639 | |
| 1640 | |
| 1641 | |
| 1642 // | |
| 1643 // Calling Methods | |
| 1644 // | |
| 1645 | |
| 4006 | 1646 #ifndef USDT2 |
| 0 | 1647 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1648 \ | |
| 1649 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1650 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1651 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1652 \ | |
| 1653 JNI_ENTRY(ResultType, \ | |
| 1654 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1655 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1656 \ | |
| 4006 | 1657 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1658 ResultType ret = 0;\ |
| 1659 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1660 (const ResultType&)ret);\ | |
| 1661 \ | |
| 1662 va_list args; \ | |
| 1663 va_start(args, methodID); \ | |
| 1664 JavaValue jvalue(Tag); \ | |
|
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1665 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1666 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1667 va_end(args); \ | |
| 1668 ret = jvalue.get_##ResultType(); \ | |
| 1669 return ret;\ | |
| 1670 JNI_END \ | |
| 1671 \ | |
| 1672 \ | |
| 1673 JNI_ENTRY(ResultType, \ | |
| 1674 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1675 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1676 \ | |
| 4006 | 1677 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1678 ResultType ret = 0;\ |
| 1679 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1680 (const ResultType&)ret);\ | |
| 1681 \ | |
| 1682 JavaValue jvalue(Tag); \ | |
|
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1683 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1684 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1685 ret = jvalue.get_##ResultType(); \ | |
| 1686 return ret;\ | |
| 1687 JNI_END \ | |
| 1688 \ | |
| 1689 \ | |
| 1690 JNI_ENTRY(ResultType, \ | |
| 1691 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1692 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1693 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1694 ResultType ret = 0;\ |
| 1695 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1696 (const ResultType&)ret);\ | |
| 1697 \ | |
| 1698 JavaValue jvalue(Tag); \ | |
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1699 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1700 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1701 ret = jvalue.get_##ResultType(); \ | |
| 1702 return ret;\ | |
| 1703 JNI_END | |
| 1704 | |
| 1705 // the runtime type of subword integral basic types is integer | |
| 1706 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1707 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1708 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1709 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1710 | |
| 1711 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1712 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1713 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1714 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1715 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1716 | |
| 1717 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1718 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1719 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1720 | |
| 4006 | 1721 #else /* USDT2 */ |
| 1722 | |
| 1723 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1724 , EntryProbe, ReturnProbe) \ | |
| 1725 \ | |
| 1726 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1727 , ReturnProbe); \ | |
| 1728 \ | |
| 1729 JNI_ENTRY(ResultType, \ | |
| 1730 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1731 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1732 \ | |
| 1733 EntryProbe; \ | |
| 1734 ResultType ret = 0;\ | |
| 1735 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1736 (const ResultType&)ret);\ | |
| 1737 \ | |
| 1738 va_list args; \ | |
| 1739 va_start(args, methodID); \ | |
| 1740 JavaValue jvalue(Tag); \ | |
| 1741 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1742 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1743 va_end(args); \ | |
| 1744 ret = jvalue.get_##ResultType(); \ | |
| 1745 return ret;\ | |
| 1746 JNI_END | |
| 1747 | |
| 1748 // the runtime type of subword integral basic types is integer | |
| 1749 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1750 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1751 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1752 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1753 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1754 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1755 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1756 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1757 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1758 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1759 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1760 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1761 | |
| 1762 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1763 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1764 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1765 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1766 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1767 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1768 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1769 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1770 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1771 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1772 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1773 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1774 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1775 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1776 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1777 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1778 | |
| 1779 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1780 , EntryProbe, ReturnProbe) \ | |
| 1781 \ | |
| 1782 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1783 , ReturnProbe); \ | |
| 1784 \ | |
| 1785 JNI_ENTRY(ResultType, \ | |
| 1786 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1787 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1788 \ | |
| 1789 EntryProbe;\ | |
| 1790 ResultType ret = 0;\ | |
| 1791 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1792 (const ResultType&)ret);\ | |
| 1793 \ | |
| 1794 JavaValue jvalue(Tag); \ | |
| 1795 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1796 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1797 ret = jvalue.get_##ResultType(); \ | |
| 1798 return ret;\ | |
| 1799 JNI_END | |
| 1800 | |
| 1801 // the runtime type of subword integral basic types is integer | |
| 1802 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1803 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1804 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1805 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1806 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1807 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1808 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1809 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1810 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1811 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1812 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1813 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1814 | |
| 1815 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1816 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1817 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1818 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1819 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1820 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1821 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1822 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1823 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1824 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1825 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1826 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1827 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1828 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1829 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1830 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1831 | |
| 1832 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1833 , EntryProbe, ReturnProbe) \ | |
| 1834 \ | |
| 1835 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1836 , ReturnProbe); \ | |
| 1837 \ | |
| 1838 JNI_ENTRY(ResultType, \ | |
| 1839 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1840 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1841 EntryProbe; \ | |
| 1842 ResultType ret = 0;\ | |
| 1843 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1844 (const ResultType&)ret);\ | |
| 1845 \ | |
| 1846 JavaValue jvalue(Tag); \ | |
| 1847 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1848 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1849 ret = jvalue.get_##ResultType(); \ | |
| 1850 return ret;\ | |
| 1851 JNI_END | |
| 1852 | |
| 1853 // the runtime type of subword integral basic types is integer | |
| 1854 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1855 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1856 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1857 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1858 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1859 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1860 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1861 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1862 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1863 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1864 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1865 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1866 | |
| 1867 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1868 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1869 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1870 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1871 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1872 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1873 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1874 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1875 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1876 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1877 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1878 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1879 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1880 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1881 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1882 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1883 | |
| 1884 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1885 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1886 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1887 | |
| 1888 #endif /* USDT2 */ | |
| 1889 | |
| 0 | 1890 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1891 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1892 #ifndef USDT2 |
| 0 | 1893 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1894 #else /* USDT2 */ |
| 1895 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1896 env, obj, (uintptr_t) methodID); | |
| 1897 #endif /* USDT2 */ | |
| 0 | 1898 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1899 | |
| 1900 va_list args; | |
| 1901 va_start(args, methodID); | |
| 1902 JavaValue jvalue(T_VOID); | |
|
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1903 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1904 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1905 va_end(args); | |
| 1906 JNI_END | |
| 1907 | |
| 1908 | |
| 1909 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1910 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1911 #ifndef USDT2 |
| 0 | 1912 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1913 #else /* USDT2 */ |
| 1914 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1915 env, obj, (uintptr_t) methodID); | |
| 1916 #endif /* USDT2 */ | |
| 0 | 1917 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1918 | |
| 1919 JavaValue jvalue(T_VOID); | |
|
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1920 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1921 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1922 JNI_END | |
| 1923 | |
| 1924 | |
| 1925 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1926 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1927 #ifndef USDT2 |
| 0 | 1928 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1929 #else /* USDT2 */ |
| 1930 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1931 env, obj, (uintptr_t) methodID); | |
| 1932 #endif /* USDT2 */ | |
| 0 | 1933 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1934 | |
| 1935 JavaValue jvalue(T_VOID); | |
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1936 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1937 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1938 JNI_END | |
| 1939 | |
| 1940 | |
| 4006 | 1941 #ifndef USDT2 |
| 0 | 1942 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1943 \ | |
| 1944 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1945 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1946 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1947 \ | |
| 1948 JNI_ENTRY(ResultType, \ | |
| 1949 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1950 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1951 \ | |
| 1952 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1953 ResultType ret;\ | |
| 1954 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1955 (const ResultType&)ret);\ | |
| 1956 \ | |
| 1957 va_list args; \ | |
| 1958 va_start(args, methodID); \ | |
| 1959 JavaValue jvalue(Tag); \ | |
|
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1960 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1961 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1962 va_end(args); \ | |
| 1963 ret = jvalue.get_##ResultType(); \ | |
| 1964 return ret;\ | |
| 1965 JNI_END \ | |
| 1966 \ | |
| 1967 JNI_ENTRY(ResultType, \ | |
| 1968 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1969 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1970 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1971 ResultType ret;\ | |
| 1972 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1973 (const ResultType&)ret);\ | |
| 1974 \ | |
| 1975 JavaValue jvalue(Tag); \ | |
|
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1976 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1977 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1978 ret = jvalue.get_##ResultType(); \ | |
| 1979 return ret;\ | |
| 1980 JNI_END \ | |
| 1981 \ | |
| 1982 JNI_ENTRY(ResultType, \ | |
| 1983 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1984 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1985 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 1986 ResultType ret;\ | |
| 1987 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 1988 (const ResultType&)ret);\ | |
| 1989 \ | |
| 1990 JavaValue jvalue(Tag); \ | |
|
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1991 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1992 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1993 ret = jvalue.get_##ResultType(); \ | |
| 1994 return ret;\ | |
| 1995 JNI_END | |
| 1996 | |
| 1997 // the runtime type of subword integral basic types is integer | |
| 1998 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1999 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2000 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2001 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2002 | |
| 2003 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2004 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2005 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2006 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2007 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2008 | |
| 2009 | |
| 2010 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2011 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2012 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2013 | |
| 4006 | 2014 #else /* USDT2 */ |
| 2015 | |
| 2016 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2017 , EntryProbe, ReturnProbe) \ | |
| 2018 \ | |
| 2019 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2020 , ReturnProbe);\ | |
| 2021 \ | |
| 2022 JNI_ENTRY(ResultType, \ | |
| 2023 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2024 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2025 \ | |
| 2026 EntryProbe;\ | |
| 2027 ResultType ret;\ | |
| 2028 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2029 (const ResultType&)ret);\ | |
| 2030 \ | |
| 2031 va_list args; \ | |
| 2032 va_start(args, methodID); \ | |
| 2033 JavaValue jvalue(Tag); \ | |
| 2034 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2035 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2036 va_end(args); \ | |
| 2037 ret = jvalue.get_##ResultType(); \ | |
| 2038 return ret;\ | |
| 2039 JNI_END | |
| 2040 | |
| 2041 // the runtime type of subword integral basic types is integer | |
| 2042 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2043 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2044 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2045 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2046 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2047 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2048 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2049 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2050 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2051 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2052 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2053 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2054 | |
| 2055 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2056 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2057 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2058 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2059 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2060 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2061 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2062 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2063 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2064 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2065 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2066 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2067 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2068 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2069 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2070 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2071 | |
| 2072 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2073 , EntryProbe, ReturnProbe) \ | |
| 2074 \ | |
| 2075 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2076 , ReturnProbe);\ | |
| 2077 \ | |
| 2078 JNI_ENTRY(ResultType, \ | |
| 2079 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2080 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2081 \ | |
| 2082 EntryProbe;\ | |
| 2083 ResultType ret;\ | |
| 2084 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2085 (const ResultType&)ret);\ | |
| 2086 \ | |
| 2087 JavaValue jvalue(Tag); \ | |
| 2088 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2089 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2090 ret = jvalue.get_##ResultType(); \ | |
| 2091 return ret;\ | |
| 2092 JNI_END | |
| 2093 | |
| 2094 // the runtime type of subword integral basic types is integer | |
| 2095 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2096 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2097 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2098 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2099 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2100 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2101 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2102 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2103 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2104 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2105 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2106 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2107 | |
| 2108 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2109 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2110 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2111 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2112 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2113 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2114 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2115 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2116 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2117 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2118 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2119 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2120 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2121 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2122 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2123 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2124 | |
| 2125 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2126 , EntryProbe, ReturnProbe) \ | |
| 2127 \ | |
| 2128 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2129 , ReturnProbe);\ | |
| 2130 \ | |
| 2131 JNI_ENTRY(ResultType, \ | |
| 2132 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2133 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2134 \ | |
| 2135 EntryProbe;\ | |
| 2136 ResultType ret;\ | |
| 2137 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2138 (const ResultType&)ret);\ | |
| 2139 \ | |
| 2140 JavaValue jvalue(Tag); \ | |
| 2141 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2142 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2143 ret = jvalue.get_##ResultType(); \ | |
| 2144 return ret;\ | |
| 2145 JNI_END | |
| 2146 | |
| 2147 // the runtime type of subword integral basic types is integer | |
| 2148 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2149 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2150 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2151 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2152 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2153 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2154 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2155 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2156 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2157 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2158 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2159 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2160 | |
| 2161 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2162 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2163 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2164 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2165 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2166 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2167 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2168 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2169 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2170 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2171 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2172 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2173 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2174 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2175 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2176 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2177 | |
| 2178 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2179 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2180 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2181 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2182 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2183 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2184 #endif /* USDT2 */ | |
| 2185 | |
| 0 | 2186 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2187 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2188 | |
| 4006 | 2189 #ifndef USDT2 |
| 0 | 2190 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2191 env, obj, cls, methodID); | |
| 4006 | 2192 #else /* USDT2 */ |
| 2193 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2194 env, obj, cls, (uintptr_t) methodID); | |
| 2195 #endif /* USDT2 */ | |
| 0 | 2196 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2197 | |
| 2198 va_list args; | |
| 2199 va_start(args, methodID); | |
| 2200 JavaValue jvalue(T_VOID); | |
|
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2201 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2202 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2203 va_end(args); | |
| 2204 JNI_END | |
| 2205 | |
| 2206 | |
| 2207 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2208 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2209 | |
| 4006 | 2210 #ifndef USDT2 |
| 0 | 2211 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2212 env, obj, cls, methodID); | |
| 4006 | 2213 #else /* USDT2 */ |
| 2214 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2215 env, obj, cls, (uintptr_t) methodID); | |
| 2216 #endif /* USDT2 */ | |
| 0 | 2217 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2218 | |
| 2219 JavaValue jvalue(T_VOID); | |
|
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2220 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2221 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2222 JNI_END | |
| 2223 | |
| 2224 | |
| 2225 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2226 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2227 #ifndef USDT2 |
| 0 | 2228 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2229 env, obj, cls, methodID); | |
| 4006 | 2230 #else /* USDT2 */ |
| 2231 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2232 env, obj, cls, (uintptr_t) methodID); | |
| 2233 #endif /* USDT2 */ | |
| 0 | 2234 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2235 JavaValue jvalue(T_VOID); | |
|
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2236 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2237 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2238 JNI_END | |
| 2239 | |
| 2240 | |
| 4006 | 2241 #ifndef USDT2 |
| 0 | 2242 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2243 \ | |
| 2244 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2245 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2246 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2247 \ | |
| 2248 JNI_ENTRY(ResultType, \ | |
| 2249 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2250 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2251 \ | |
| 2252 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2253 ResultType ret = 0;\ | |
| 2254 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2255 (const ResultType&)ret);\ | |
| 2256 \ | |
| 2257 va_list args; \ | |
| 2258 va_start(args, methodID); \ | |
| 2259 JavaValue jvalue(Tag); \ | |
|
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2260 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2261 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2262 va_end(args); \ | |
| 2263 ret = jvalue.get_##ResultType(); \ | |
| 2264 return ret;\ | |
| 2265 JNI_END \ | |
| 2266 \ | |
| 2267 JNI_ENTRY(ResultType, \ | |
| 2268 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2269 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2270 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2271 ResultType ret = 0;\ | |
| 2272 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2273 (const ResultType&)ret);\ | |
| 2274 \ | |
| 2275 JavaValue jvalue(Tag); \ | |
|
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2276 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2277 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2278 ret = jvalue.get_##ResultType(); \ | |
| 2279 return ret;\ | |
| 2280 JNI_END \ | |
| 2281 \ | |
| 2282 JNI_ENTRY(ResultType, \ | |
| 2283 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2284 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2285 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2286 ResultType ret = 0;\ | |
| 2287 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2288 (const ResultType&)ret);\ | |
| 2289 \ | |
| 2290 JavaValue jvalue(Tag); \ | |
|
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2291 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2292 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2293 ret = jvalue.get_##ResultType(); \ | |
| 2294 return ret;\ | |
| 2295 JNI_END | |
| 2296 | |
| 2297 // the runtime type of subword integral basic types is integer | |
| 2298 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2299 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2300 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2301 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2302 | |
| 2303 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2304 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2305 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2306 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2307 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2308 | |
| 2309 | |
| 2310 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2311 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2312 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2313 | |
| 4006 | 2314 #else /* USDT2 */ |
| 2315 | |
| 2316 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2317 , EntryProbe, ResultProbe) \ | |
| 2318 \ | |
| 2319 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2320 , ResultProbe); \ | |
| 2321 \ | |
| 2322 JNI_ENTRY(ResultType, \ | |
| 2323 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2324 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2325 \ | |
| 2326 EntryProbe; \ | |
| 2327 ResultType ret = 0;\ | |
| 2328 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2329 (const ResultType&)ret);\ | |
| 2330 \ | |
| 2331 va_list args; \ | |
| 2332 va_start(args, methodID); \ | |
| 2333 JavaValue jvalue(Tag); \ | |
| 2334 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2335 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2336 va_end(args); \ | |
| 2337 ret = jvalue.get_##ResultType(); \ | |
| 2338 return ret;\ | |
| 2339 JNI_END | |
| 2340 | |
| 2341 // the runtime type of subword integral basic types is integer | |
| 2342 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2343 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2344 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2345 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2346 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2347 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2348 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2349 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2350 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2351 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2352 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2353 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2354 | |
| 2355 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2356 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2357 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2358 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2359 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2360 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2361 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2362 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2363 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2364 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2365 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2366 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2367 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2368 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2369 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2370 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2371 | |
| 2372 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2373 , EntryProbe, ResultProbe) \ | |
| 2374 \ | |
| 2375 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2376 , ResultProbe); \ | |
| 2377 \ | |
| 2378 JNI_ENTRY(ResultType, \ | |
| 2379 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2380 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2381 \ | |
| 2382 EntryProbe; \ | |
| 2383 ResultType ret = 0;\ | |
| 2384 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2385 (const ResultType&)ret);\ | |
| 2386 \ | |
| 2387 JavaValue jvalue(Tag); \ | |
| 2388 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2389 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2390 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2391 k()->initialize(CHECK_0); \ |
| 4006 | 2392 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2393 va_end(args); \ | |
| 2394 ret = jvalue.get_##ResultType(); \ | |
| 2395 return ret;\ | |
| 2396 JNI_END | |
| 2397 | |
| 2398 // the runtime type of subword integral basic types is integer | |
| 2399 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2400 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2401 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2402 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2403 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2404 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2405 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2406 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2407 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2408 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2409 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2410 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2411 | |
| 2412 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2413 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2414 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2415 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2416 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2417 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2418 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2419 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2420 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2421 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2422 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2423 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2424 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2425 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2426 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2427 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2428 | |
| 2429 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2430 , EntryProbe, ResultProbe) \ | |
| 2431 \ | |
| 2432 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2433 , ResultProbe); \ | |
| 2434 \ | |
| 2435 JNI_ENTRY(ResultType, \ | |
| 2436 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2437 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2438 \ | |
| 2439 EntryProbe; \ | |
| 2440 ResultType ret = 0;\ | |
| 2441 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2442 (const ResultType&)ret);\ | |
| 2443 \ | |
| 2444 JavaValue jvalue(Tag); \ | |
| 2445 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2446 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2447 ret = jvalue.get_##ResultType(); \ | |
| 2448 return ret;\ | |
| 2449 JNI_END | |
| 2450 | |
| 2451 // the runtime type of subword integral basic types is integer | |
| 2452 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2453 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2454 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2455 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2456 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2457 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2458 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2459 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2460 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2461 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2462 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2463 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2464 | |
| 2465 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2466 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2467 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2468 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2469 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2470 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2471 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2472 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2473 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2474 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2475 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2476 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2477 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2478 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2479 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2480 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2481 | |
| 2482 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2483 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2484 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2485 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2486 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2487 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2488 #endif /* USDT2 */ | |
| 2489 | |
| 0 | 2490 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2491 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2492 #ifndef USDT2 |
| 0 | 2493 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2494 #else /* USDT2 */ |
| 2495 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2496 env, cls, (uintptr_t) methodID); | |
| 2497 #endif /* USDT2 */ | |
| 0 | 2498 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2499 | |
| 2500 va_list args; | |
| 2501 va_start(args, methodID); | |
| 2502 JavaValue jvalue(T_VOID); | |
|
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2503 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2504 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2505 va_end(args); | |
| 2506 JNI_END | |
| 2507 | |
| 2508 | |
| 2509 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2510 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2511 #ifndef USDT2 |
| 0 | 2512 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2513 #else /* USDT2 */ |
| 2514 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2515 env, cls, (uintptr_t) methodID); | |
| 2516 #endif /* USDT2 */ | |
| 0 | 2517 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2518 | |
| 2519 JavaValue jvalue(T_VOID); | |
|
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2520 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2521 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2522 JNI_END | |
| 2523 | |
| 2524 | |
| 2525 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2526 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2527 #ifndef USDT2 |
| 0 | 2528 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2529 #else /* USDT2 */ |
| 2530 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2531 env, cls, (uintptr_t) methodID); | |
| 2532 #endif /* USDT2 */ | |
| 0 | 2533 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2534 | |
| 2535 JavaValue jvalue(T_VOID); | |
|
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2536 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2537 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2538 JNI_END | |
| 2539 | |
| 2540 | |
| 2541 // | |
| 2542 // Accessing Fields | |
| 2543 // | |
| 2544 | |
| 2545 | |
| 4006 | 2546 #ifndef USDT2 |
| 0 | 2547 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2548 #else /* USDT2 */ |
| 2549 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2550 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2551 #endif /* USDT2 */ | |
| 0 | 2552 |
| 2553 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2554 const char *name, const char *sig)) | |
| 2555 JNIWrapper("GetFieldID"); | |
| 4006 | 2556 #ifndef USDT2 |
| 0 | 2557 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2558 #else /* USDT2 */ |
| 2559 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2560 env, clazz, (char *) name, (char *) sig); | |
| 2561 #endif /* USDT2 */ | |
| 0 | 2562 jfieldID ret = 0; |
| 2563 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2564 | |
| 2565 // The class should have been loaded (we have an instance of the class | |
| 2566 // passed in) so the field and signature should already be in the symbol | |
| 2567 // table. If they're not there, the field doesn't exist. | |
|
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2568 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
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2569 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
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2570 if (fieldname == NULL || signame == NULL) { |
| 0 | 2571 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2572 } | |
| 2573 KlassHandle k(THREAD, | |
|
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2574 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2575 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2576 k()->initialize(CHECK_NULL); |
| 0 | 2577 |
| 2578 fieldDescriptor fd; | |
| 6983 | 2579 if (!k()->oop_is_instance() || |
|
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2580 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2581 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2582 } | |
| 2583 | |
| 2584 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2585 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2586 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2587 return ret; | |
| 2588 JNI_END | |
| 2589 | |
| 2590 | |
| 2591 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2592 JNIWrapper("GetObjectField"); | |
| 4006 | 2593 #ifndef USDT2 |
| 0 | 2594 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2595 #else /* USDT2 */ |
| 2596 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2597 env, obj, (uintptr_t) fieldID); | |
| 2598 #endif /* USDT2 */ | |
| 0 | 2599 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2600 Klass* k = o->klass(); |
| 0 | 2601 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2602 // Keep JVMTI addition small and only check enabled flag here. | |
| 2603 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2604 if (JvmtiExport::should_post_field_access()) { | |
| 2605 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2606 } | |
| 2607 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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2608 #if INCLUDE_ALL_GCS |
|
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2609 // If G1 is enabled and we are accessing the value of the referent |
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2610 // field in a reference object then we need to register a non-null |
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2611 // referent with the SATB barrier. |
|
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2612 if (UseG1GC) { |
|
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2613 bool needs_barrier = false; |
|
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2614 |
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2615 if (ret != NULL && |
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2616 offset == java_lang_ref_Reference::referent_offset && |
|
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2617 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2618 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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2619 needs_barrier = true; |
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2620 } |
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|
2621 |
|
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2622 if (needs_barrier) { |
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2623 oop referent = JNIHandles::resolve(ret); |
|
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|
2624 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2625 } |
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|
2626 } |
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2627 #endif // INCLUDE_ALL_GCS |
| 4006 | 2628 #ifndef USDT2 |
| 0 | 2629 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2630 #else /* USDT2 */ |
| 2631 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2632 ret); | |
| 2633 #endif /* USDT2 */ | |
| 0 | 2634 return ret; |
| 2635 JNI_END | |
| 2636 | |
| 2637 | |
| 4006 | 2638 #ifndef USDT2 |
| 0 | 2639 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2640 \ | |
| 2641 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2642 \ | |
| 2643 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2644 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2645 \ | |
| 2646 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2647 Return ret = 0;\ | |
| 2648 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2649 \ | |
| 2650 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2651 Klass* k = o->klass(); \ |
| 0 | 2652 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2653 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2654 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2655 /* and creates a ResetNoHandleMark. */ \ | |
| 2656 if (JvmtiExport::should_post_field_access()) { \ | |
| 2657 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2658 } \ | |
| 2659 ret = o->Fieldname##_field(offset); \ | |
| 2660 return ret; \ | |
| 2661 JNI_END | |
| 2662 | |
| 2663 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2664 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2665 DEFINE_GETFIELD(jchar, char, Char) | |
| 2666 DEFINE_GETFIELD(jshort, short, Short) | |
| 2667 DEFINE_GETFIELD(jint, int, Int) | |
| 2668 DEFINE_GETFIELD(jlong, long, Long) | |
| 2669 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2670 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2671 | |
| 4006 | 2672 #else /* USDT2 */ |
| 2673 | |
| 2674 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2675 , EntryProbe, ReturnProbe) \ | |
| 2676 \ | |
| 2677 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2678 , ReturnProbe); \ | |
| 2679 \ | |
| 2680 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2681 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2682 \ | |
| 2683 EntryProbe; \ | |
| 2684 Return ret = 0;\ | |
| 2685 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2686 \ | |
| 2687 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2688 Klass* k = o->klass(); \ |
| 4006 | 2689 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2690 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2691 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2692 /* and creates a ResetNoHandleMark. */ \ | |
| 2693 if (JvmtiExport::should_post_field_access()) { \ | |
| 2694 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2695 } \ | |
| 2696 ret = o->Fieldname##_field(offset); \ | |
| 2697 return ret; \ | |
| 2698 JNI_END | |
| 2699 | |
| 2700 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2701 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2702 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2703 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2704 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2705 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2706 DEFINE_GETFIELD(jchar, char, Char | |
| 2707 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2708 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2709 DEFINE_GETFIELD(jshort, short, Short | |
| 2710 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2711 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2712 DEFINE_GETFIELD(jint, int, Int | |
| 2713 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2714 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2715 DEFINE_GETFIELD(jlong, long, Long | |
| 2716 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2717 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2718 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2719 DEFINE_GETFIELD(jfloat, float, Float | |
| 2720 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2721 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2722 DEFINE_GETFIELD(jdouble, double, Double | |
| 2723 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2724 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2725 #endif /* USDT2 */ | |
| 2726 | |
| 0 | 2727 address jni_GetBooleanField_addr() { |
| 2728 return (address)jni_GetBooleanField; | |
| 2729 } | |
| 2730 address jni_GetByteField_addr() { | |
| 2731 return (address)jni_GetByteField; | |
| 2732 } | |
| 2733 address jni_GetCharField_addr() { | |
| 2734 return (address)jni_GetCharField; | |
| 2735 } | |
| 2736 address jni_GetShortField_addr() { | |
| 2737 return (address)jni_GetShortField; | |
| 2738 } | |
| 2739 address jni_GetIntField_addr() { | |
| 2740 return (address)jni_GetIntField; | |
| 2741 } | |
| 2742 address jni_GetLongField_addr() { | |
| 2743 return (address)jni_GetLongField; | |
| 2744 } | |
| 2745 address jni_GetFloatField_addr() { | |
| 2746 return (address)jni_GetFloatField; | |
| 2747 } | |
| 2748 address jni_GetDoubleField_addr() { | |
| 2749 return (address)jni_GetDoubleField; | |
| 2750 } | |
| 2751 | |
| 2752 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2753 JNIWrapper("SetObjectField"); | |
| 4006 | 2754 #ifndef USDT2 |
| 0 | 2755 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2756 #else /* USDT2 */ |
| 2757 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2758 env, obj, (uintptr_t) fieldID, value); | |
| 2759 #endif /* USDT2 */ | |
| 0 | 2760 oop o = JNIHandles::resolve_non_null(obj); |
|
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2761 Klass* k = o->klass(); |
| 0 | 2762 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2763 // Keep JVMTI addition small and only check enabled flag here. | |
| 2764 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2765 // and creates a ResetNoHandleMark. | |
| 2766 if (JvmtiExport::should_post_field_modification()) { | |
| 2767 jvalue field_value; | |
| 2768 field_value.l = value; | |
| 2769 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2770 } | |
| 2771 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2772 #ifndef USDT2 |
| 0 | 2773 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2774 #else /* USDT2 */ |
| 2775 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2776 ); | |
| 2777 #endif /* USDT2 */ | |
| 0 | 2778 JNI_END |
| 2779 | |
| 4006 | 2780 #ifndef USDT2 |
| 0 | 2781 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2782 \ | |
| 2783 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2784 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2785 \ | |
|
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2786 FP_SELECT_##Result( \ |
|
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2787 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
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|
2788 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2789 \ |
| 2790 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2791 Klass* k = o->klass(); \ |
| 0 | 2792 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2793 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2794 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2795 /* and creates a ResetNoHandleMark. */ \ | |
| 2796 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2797 jvalue field_value; \ | |
| 2798 field_value.unionType = value; \ | |
| 2799 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2800 } \ | |
| 2801 o->Fieldname##_field_put(offset, value); \ | |
| 2802 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2803 JNI_END | |
| 2804 | |
| 2805 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2806 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2807 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2808 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2809 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2810 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2811 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2812 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2813 | |
| 4006 | 2814 #else /* USDT2 */ |
| 2815 | |
| 2816 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2817 , EntryProbe, ReturnProbe) \ | |
| 2818 \ | |
| 2819 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2820 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2821 \ | |
| 2822 EntryProbe; \ | |
| 2823 \ | |
| 2824 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2825 Klass* k = o->klass(); \ |
| 4006 | 2826 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2827 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2828 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2829 /* and creates a ResetNoHandleMark. */ \ | |
| 2830 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2831 jvalue field_value; \ | |
| 2832 field_value.unionType = value; \ | |
| 2833 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2834 } \ | |
| 2835 o->Fieldname##_field_put(offset, value); \ | |
| 2836 ReturnProbe; \ | |
| 2837 JNI_END | |
| 2838 | |
| 2839 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2840 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2841 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2842 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2843 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2844 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2845 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2846 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2847 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2848 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2849 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2850 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2851 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2852 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2853 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2854 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2855 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2856 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2857 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2858 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2859 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2860 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2861 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2862 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2863 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2864 #endif /* USDT2 */ | |
| 2865 | |
| 2866 #ifndef USDT2 | |
| 0 | 2867 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2868 #else /* USDT2 */ |
| 2869 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2870 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2871 #endif /* USDT2 */ | |
| 0 | 2872 |
| 2873 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2874 JNIWrapper("ToReflectedField"); | |
| 4006 | 2875 #ifndef USDT2 |
| 0 | 2876 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2877 env, cls, fieldID, isStatic); | |
| 4006 | 2878 #else /* USDT2 */ |
| 2879 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2880 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2881 #endif /* USDT2 */ | |
| 0 | 2882 jobject ret = NULL; |
| 2883 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2884 | |
| 2885 fieldDescriptor fd; | |
| 2886 bool found = false; | |
|
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2887 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2888 |
| 2889 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2890 | |
| 2891 if (isStatic) { | |
|
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2892 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2893 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2894 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2895 found = id->find_local_field(&fd); |
| 0 | 2896 } else { |
| 2897 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2898 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2899 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2900 } |
| 2901 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2902 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2903 ret = JNIHandles::make_local(env, reflected); | |
| 2904 return ret; | |
| 2905 JNI_END | |
| 2906 | |
| 2907 | |
| 2908 // | |
| 2909 // Accessing Static Fields | |
| 2910 // | |
| 4006 | 2911 #ifndef USDT2 |
| 0 | 2912 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2913 #else /* USDT2 */ |
| 2914 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2915 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2916 #endif /* USDT2 */ | |
| 0 | 2917 |
| 2918 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2919 const char *name, const char *sig)) | |
| 2920 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2921 #ifndef USDT2 |
| 0 | 2922 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2923 #else /* USDT2 */ |
| 2924 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2925 env, clazz, (char *) name, (char *) sig); | |
| 2926 #endif /* USDT2 */ | |
| 0 | 2927 jfieldID ret = NULL; |
| 2928 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2929 | |
| 2930 // The class should have been loaded (we have an instance of the class | |
| 2931 // passed in) so the field and signature should already be in the symbol | |
| 2932 // table. If they're not there, the field doesn't exist. | |
|
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3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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parents:
1989
diff
changeset
|
2933 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
2934 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
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diff
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|
2935 if (fieldname == NULL || signame == NULL) { |
| 0 | 2936 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2937 } | |
| 2938 KlassHandle k(THREAD, | |
|
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6964458: Reimplement class meta-data storage to use native memory
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6197
diff
changeset
|
2939 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2940 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2941 k()->initialize(CHECK_NULL); |
| 0 | 2942 |
| 2943 fieldDescriptor fd; | |
| 6983 | 2944 if (!k()->oop_is_instance() || |
|
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da91efe96a93
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6197
diff
changeset
|
2945 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2946 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2947 } | |
| 2948 | |
|
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6197
diff
changeset
|
2949 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6856
diff
changeset
|
2950 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2951 debug_only(id->set_is_static_field_id();) |
| 2952 | |
|
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|
2953 debug_only(id->verify(fd.field_holder())); |
| 0 | 2954 |
| 2955 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2956 return ret; | |
| 2957 JNI_END | |
| 2958 | |
| 2959 | |
| 2960 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2961 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2962 #ifndef USDT2 |
| 0 | 2963 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2964 #else /* USDT2 */ |
| 2965 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2966 env, clazz, (uintptr_t) fieldID); | |
| 2967 #endif /* USDT2 */ | |
|
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fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
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6725
diff
changeset
|
2968 #if INCLUDE_JNI_CHECK |
|
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diff
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|
2969 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
6854
fb19af007ffc
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6725
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|
2970 #endif // INCLUDE_JNI_CHECK |
| 0 | 2971 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2972 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2973 // Keep JVMTI addition small and only check enabled flag here. | |
| 2974 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2975 if (JvmtiExport::should_post_field_access()) { | |
| 2976 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2977 } | |
|
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|
2978 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2979 #ifndef USDT2 |
| 0 | 2980 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 2981 #else /* USDT2 */ |
| 2982 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 2983 ret); | |
| 2984 #endif /* USDT2 */ | |
| 0 | 2985 return ret; |
| 2986 JNI_END | |
| 2987 | |
| 4006 | 2988 #ifndef USDT2 |
| 0 | 2989 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 2990 \ | |
| 2991 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 2992 \ | |
| 2993 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 2994 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 2995 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 2996 Return ret = 0;\ | |
| 2997 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 2998 (const Return&)ret);\ | |
| 2999 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3000 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3001 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3002 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3003 if (JvmtiExport::should_post_field_access()) { \ | |
| 3004 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3005 } \ | |
|
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parents:
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diff
changeset
|
3006 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3007 return ret;\ |
| 3008 JNI_END | |
| 3009 | |
| 3010 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3011 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3012 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3013 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3014 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3015 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3016 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3017 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3018 | |
| 4006 | 3019 #else /* USDT2 */ |
| 3020 | |
| 3021 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3022 , EntryProbe, ReturnProbe) \ | |
| 3023 \ | |
| 3024 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3025 , ReturnProbe); \ | |
| 3026 \ | |
| 3027 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3028 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3029 EntryProbe; \ | |
| 3030 Return ret = 0;\ | |
| 3031 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3032 (const Return&)ret);\ | |
| 3033 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3034 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3035 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3036 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3037 if (JvmtiExport::should_post_field_access()) { \ | |
| 3038 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3039 } \ | |
| 3040 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3041 return ret;\ | |
| 3042 JNI_END | |
| 3043 | |
| 3044 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3045 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3046 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3047 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3048 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3049 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3050 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3051 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3052 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3053 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3054 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3055 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3056 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3057 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3058 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3059 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3060 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3061 #endif /* USDT2 */ | |
| 0 | 3062 |
| 3063 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3064 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3065 #ifndef USDT2 |
| 0 | 3066 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3067 #else /* USDT2 */ |
| 3068 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3069 env, clazz, (uintptr_t) fieldID, value); | |
| 3070 #endif /* USDT2 */ | |
| 0 | 3071 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3072 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3073 // Keep JVMTI addition small and only check enabled flag here. | |
| 3074 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3075 if (JvmtiExport::should_post_field_modification()) { | |
| 3076 jvalue field_value; | |
| 3077 field_value.l = value; | |
| 3078 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3079 } | |
|
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never
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diff
changeset
|
3080 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3081 #ifndef USDT2 |
| 0 | 3082 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3083 #else /* USDT2 */ |
| 3084 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3085 ); | |
| 3086 #endif /* USDT2 */ | |
| 0 | 3087 JNI_END |
| 3088 | |
| 3089 | |
| 4006 | 3090 #ifndef USDT2 |
| 0 | 3091 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3092 \ | |
| 3093 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3094 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3095 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3096 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3097 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3098 \ |
| 3099 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3100 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3101 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3102 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3103 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3104 jvalue field_value; \ | |
| 3105 field_value.unionType = value; \ | |
| 3106 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3107 } \ | |
|
2376
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never
parents:
2177
diff
changeset
|
3108 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3109 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3110 JNI_END | |
| 3111 | |
| 3112 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3113 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3114 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3115 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3116 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3117 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3118 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3119 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3120 | |
| 4006 | 3121 #else /* USDT2 */ |
| 3122 | |
| 3123 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3124 , EntryProbe, ReturnProbe) \ | |
| 3125 \ | |
| 3126 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3127 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3128 EntryProbe; \ | |
| 3129 \ | |
| 3130 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3131 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3132 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3133 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3134 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3135 jvalue field_value; \ | |
| 3136 field_value.unionType = value; \ | |
| 3137 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3138 } \ | |
| 3139 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3140 ReturnProbe;\ | |
| 3141 JNI_END | |
| 3142 | |
| 3143 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3144 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3145 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3146 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3147 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3148 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3149 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3150 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3151 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3152 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3153 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3154 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3155 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3156 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3157 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3158 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3159 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3160 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3161 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3162 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3163 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3164 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3165 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3166 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3167 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3168 #endif /* USDT2 */ | |
| 0 | 3169 |
| 3170 // | |
| 3171 // String Operations | |
| 3172 // | |
| 3173 | |
| 3174 // Unicode Interface | |
| 3175 | |
| 4006 | 3176 #ifndef USDT2 |
| 0 | 3177 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3178 #else /* USDT2 */ |
| 3179 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3180 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3181 #endif /* USDT2 */ | |
| 0 | 3182 |
| 3183 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3184 JNIWrapper("NewString"); | |
| 4006 | 3185 #ifndef USDT2 |
| 0 | 3186 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3187 #else /* USDT2 */ |
| 3188 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3189 env, (uint16_t *) unicodeChars, len); | |
| 3190 #endif /* USDT2 */ | |
| 0 | 3191 jstring ret = NULL; |
| 3192 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3193 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3194 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3195 return ret; | |
| 3196 JNI_END | |
| 3197 | |
| 3198 | |
| 3199 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3200 JNIWrapper("GetStringLength"); | |
| 4006 | 3201 #ifndef USDT2 |
| 0 | 3202 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3203 #else /* USDT2 */ |
| 3204 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3205 env, string); | |
| 3206 #endif /* USDT2 */ | |
|
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|
3207 jsize ret = 0; |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
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12306
diff
changeset
|
3208 oop s = JNIHandles::resolve_non_null(string); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
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12306
diff
changeset
|
3209 if (java_lang_String::value(s) != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3210 ret = java_lang_String::length(s); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3211 } |
| 4006 | 3212 #ifndef USDT2 |
| 0 | 3213 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3214 #else /* USDT2 */ |
| 3215 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3216 ret); | |
| 3217 #endif /* USDT2 */ | |
| 0 | 3218 return ret; |
| 3219 JNI_END | |
| 3220 | |
| 3221 | |
| 3222 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3223 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3224 JNIWrapper("GetStringChars"); | |
| 4006 | 3225 #ifndef USDT2 |
| 0 | 3226 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3227 #else /* USDT2 */ |
| 3228 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3229 env, string, (uintptr_t *) isCopy); | |
| 3230 #endif /* USDT2 */ | |
|
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|
3231 jchar* buf = NULL; |
| 0 | 3232 oop s = JNIHandles::resolve_non_null(string); |
| 3233 typeArrayOop s_value = java_lang_String::value(s); | |
|
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3234 if (s_value != NULL) { |
|
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|
3235 int s_len = java_lang_String::length(s); |
|
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|
3236 int s_offset = java_lang_String::offset(s); |
|
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|
3237 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
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|
3238 /* JNI Specification states return NULL on OOM */ |
|
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|
3239 if (buf != NULL) { |
|
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|
3240 if (s_len > 0) { |
|
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|
3241 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
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|
3242 } |
|
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|
3243 buf[s_len] = 0; |
|
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|
3244 //%note jni_5 |
|
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|
3245 if (isCopy != NULL) { |
|
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|
3246 *isCopy = JNI_TRUE; |
|
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|
3247 } |
|
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|
3248 } |
| 0 | 3249 } |
| 4006 | 3250 #ifndef USDT2 |
| 0 | 3251 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3252 #else /* USDT2 */ |
| 3253 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3254 buf); | |
| 3255 #endif /* USDT2 */ | |
| 0 | 3256 return buf; |
| 3257 JNI_END | |
| 3258 | |
| 3259 | |
| 3260 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3261 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3262 #ifndef USDT2 |
| 0 | 3263 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3264 #else /* USDT2 */ |
| 3265 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3266 env, str, (uint16_t *) chars); | |
| 3267 #endif /* USDT2 */ | |
| 0 | 3268 //%note jni_6 |
| 3269 if (chars != NULL) { | |
| 3270 // Since String objects are supposed to be immutable, don't copy any | |
| 3271 // new data back. A bad user will have to go after the char array. | |
| 3272 FreeHeap((void*) chars); | |
| 3273 } | |
| 4006 | 3274 #ifndef USDT2 |
| 0 | 3275 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3276 #else /* USDT2 */ |
| 3277 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3278 ); | |
| 3279 #endif /* USDT2 */ | |
| 0 | 3280 JNI_END |
| 3281 | |
| 3282 | |
| 3283 // UTF Interface | |
| 3284 | |
| 4006 | 3285 #ifndef USDT2 |
| 0 | 3286 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3287 #else /* USDT2 */ |
| 3288 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3289 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3290 #endif /* USDT2 */ | |
| 0 | 3291 |
| 3292 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3293 JNIWrapper("NewStringUTF"); | |
| 4006 | 3294 #ifndef USDT2 |
| 0 | 3295 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3296 #else /* USDT2 */ |
| 3297 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3298 env, (char *) bytes); | |
| 3299 #endif /* USDT2 */ | |
| 0 | 3300 jstring ret; |
| 3301 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3302 | |
| 3303 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3304 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3305 return ret; | |
| 3306 JNI_END | |
| 3307 | |
| 3308 | |
| 3309 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3310 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3311 #ifndef USDT2 |
| 0 | 3312 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3313 #else /* USDT2 */ |
| 3314 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3315 env, string); | |
| 3316 #endif /* USDT2 */ | |
|
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|
3317 jsize ret = 0; |
|
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|
3318 oop java_string = JNIHandles::resolve_non_null(string); |
|
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|
3319 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3320 ret = java_lang_String::utf8_length(java_string); |
|
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|
3321 } |
| 4006 | 3322 #ifndef USDT2 |
| 0 | 3323 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3324 #else /* USDT2 */ |
| 3325 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3326 ret); | |
| 3327 #endif /* USDT2 */ | |
| 0 | 3328 return ret; |
| 3329 JNI_END | |
| 3330 | |
| 3331 | |
| 3332 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3333 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3334 #ifndef USDT2 |
| 0 | 3335 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3336 #else /* USDT2 */ |
| 3337 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3338 env, string, (uintptr_t *) isCopy); | |
| 3339 #endif /* USDT2 */ | |
|
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|
3340 char* result = NULL; |
|
1989
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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|
3341 oop java_string = JNIHandles::resolve_non_null(string); |
|
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|
3342 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3343 size_t length = java_lang_String::utf8_length(java_string); |
|
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|
3344 /* JNI Specification states return NULL on OOM */ |
|
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|
3345 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
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|
3346 if (result != NULL) { |
|
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|
3347 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
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|
3348 if (isCopy != NULL) { |
|
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|
3349 *isCopy = JNI_TRUE; |
|
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|
3350 } |
|
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|
3351 } |
|
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|
3352 } |
| 4006 | 3353 #ifndef USDT2 |
| 0 | 3354 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3355 #else /* USDT2 */ |
| 3356 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3357 result); | |
| 3358 #endif /* USDT2 */ | |
| 0 | 3359 return result; |
| 3360 JNI_END | |
| 3361 | |
| 3362 | |
| 3363 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3364 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3365 #ifndef USDT2 |
| 0 | 3366 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3367 #else /* USDT2 */ |
| 3368 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3369 env, str, (char *) chars); | |
| 3370 #endif /* USDT2 */ | |
| 0 | 3371 if (chars != NULL) { |
| 3372 FreeHeap((char*) chars); | |
| 3373 } | |
| 4006 | 3374 #ifndef USDT2 |
| 0 | 3375 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3376 #else /* USDT2 */ |
| 3377 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3378 ); | |
| 3379 #endif /* USDT2 */ | |
| 0 | 3380 JNI_END |
| 3381 | |
| 3382 | |
| 3383 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3384 JNIWrapper("GetArrayLength"); | |
| 4006 | 3385 #ifndef USDT2 |
| 0 | 3386 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3387 #else /* USDT2 */ |
| 3388 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3389 env, array); | |
| 3390 #endif /* USDT2 */ | |
| 0 | 3391 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3392 assert(a->is_array(), "must be array"); | |
| 3393 jsize ret = a->length(); | |
| 4006 | 3394 #ifndef USDT2 |
| 0 | 3395 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3396 #else /* USDT2 */ |
| 3397 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3398 ret); | |
| 3399 #endif /* USDT2 */ | |
| 0 | 3400 return ret; |
| 3401 JNI_END | |
| 3402 | |
| 3403 | |
| 3404 // | |
| 3405 // Object Array Operations | |
| 3406 // | |
| 3407 | |
| 4006 | 3408 #ifndef USDT2 |
| 0 | 3409 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3410 #else /* USDT2 */ |
| 3411 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3412 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3413 #endif /* USDT2 */ | |
| 0 | 3414 |
| 3415 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3416 JNIWrapper("NewObjectArray"); | |
| 4006 | 3417 #ifndef USDT2 |
| 0 | 3418 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3419 #else /* USDT2 */ |
| 3420 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3421 env, length, elementClass, initialElement); | |
| 3422 #endif /* USDT2 */ | |
| 0 | 3423 jobjectArray ret = NULL; |
| 3424 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
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|
3425 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3426 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3427 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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d8ce2825b193
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diff
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|
3428 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
diff
changeset
|
3429 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3430 oop initial_value = JNIHandles::resolve(initialElement); |
| 3431 if (initial_value != NULL) { // array already initialized with NULL | |
| 3432 for (int index = 0; index < length; index++) { | |
| 3433 result->obj_at_put(index, initial_value); | |
| 3434 } | |
| 3435 } | |
| 3436 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3437 return ret; | |
| 3438 JNI_END | |
| 3439 | |
| 4006 | 3440 #ifndef USDT2 |
| 0 | 3441 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3442 #else /* USDT2 */ |
| 3443 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3444 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3445 #endif /* USDT2 */ | |
| 0 | 3446 |
| 3447 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3448 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3449 #ifndef USDT2 |
| 0 | 3450 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3451 #else /* USDT2 */ |
| 3452 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3453 env, array, index); | |
| 3454 #endif /* USDT2 */ | |
| 0 | 3455 jobject ret = NULL; |
| 3456 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3457 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3458 if (a->is_within_bounds(index)) { | |
|
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diff
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|
3459 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3460 return ret; |
| 3461 } else { | |
| 3462 char buf[jintAsStringSize]; | |
| 3463 sprintf(buf, "%d", index); | |
| 3464 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3465 } | |
| 3466 JNI_END | |
| 3467 | |
| 4006 | 3468 #ifndef USDT2 |
| 0 | 3469 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3470 #else /* USDT2 */ |
| 3471 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3472 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3473 #endif /* USDT2 */ | |
| 0 | 3474 |
| 3475 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3476 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3477 #ifndef USDT2 |
| 0 | 3478 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3479 #else /* USDT2 */ |
| 3480 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3481 env, array, index, value); | |
| 3482 #endif /* USDT2 */ | |
| 0 | 3483 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3484 | |
| 3485 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3486 oop v = JNIHandles::resolve(value); | |
| 3487 if (a->is_within_bounds(index)) { | |
|
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|
3488 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3489 a->obj_at_put(index, v); |
| 3490 } else { | |
| 3491 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3492 } | |
| 3493 } else { | |
| 3494 char buf[jintAsStringSize]; | |
| 3495 sprintf(buf, "%d", index); | |
| 3496 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3497 } | |
| 3498 JNI_END | |
| 3499 | |
| 3500 | |
| 4006 | 3501 #ifndef USDT2 |
| 0 | 3502 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3503 \ | |
| 4006 | 3504 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3505 \ |
| 3506 JNI_ENTRY(Return, \ | |
| 3507 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3508 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3509 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3510 Return ret = NULL;\ | |
|
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|
3511 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3512 \ |
| 3513 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3514 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3515 return ret;\ | |
| 3516 JNI_END | |
| 3517 | |
| 3518 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3519 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3520 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3521 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3522 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3523 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3524 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3525 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3526 | |
| 4006 | 3527 #else /* USDT2 */ |
| 3528 | |
| 3529 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3530 ,EntryProbe,ReturnProbe) \ | |
| 3531 \ | |
| 3532 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3533 , ReturnProbe); \ | |
| 3534 \ | |
| 3535 JNI_ENTRY(Return, \ | |
| 3536 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3537 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3538 EntryProbe; \ | |
| 3539 Return ret = NULL;\ | |
| 3540 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3541 \ | |
| 3542 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3543 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3544 return ret;\ | |
| 3545 JNI_END | |
| 3546 | |
| 3547 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3548 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3549 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3550 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3551 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3552 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3553 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3554 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3555 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3556 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3557 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3558 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3559 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3560 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3561 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3562 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3563 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3564 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3565 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3566 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3567 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3568 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3569 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3570 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3571 #endif /* USDT2 */ | |
| 0 | 3572 |
| 3573 // Return an address which will fault if the caller writes to it. | |
| 3574 | |
| 3575 static char* get_bad_address() { | |
| 3576 static char* bad_address = NULL; | |
| 3577 if (bad_address == NULL) { | |
| 3578 size_t size = os::vm_allocation_granularity(); | |
| 3579 bad_address = os::reserve_memory(size); | |
| 3580 if (bad_address != NULL) { | |
|
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3581 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
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|
3582 /*is_committed*/false); |
| 20360 | 3583 MemTracker::record_virtual_memory_type((void*)bad_address, mtInternal); |
| 0 | 3584 } |
| 3585 } | |
| 3586 return bad_address; | |
| 3587 } | |
| 3588 | |
| 3589 | |
| 4006 | 3590 #ifndef USDT2 |
| 0 | 3591 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3592 \ | |
| 3593 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3594 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3595 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3596 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3597 /* allocate an chunk of memory in c land */ \ | |
| 3598 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3599 ElementType* result; \ | |
| 3600 int len = a->length(); \ | |
| 3601 if (len == 0) { \ | |
| 3602 /* Empty array: legal but useless, can't return NULL. \ | |
| 3603 * Return a pointer to something useless. \ | |
| 3604 * Avoid asserts in typeArrayOop. */ \ | |
| 3605 result = (ElementType*)get_bad_address(); \ | |
| 3606 } else { \ | |
|
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3607 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3608 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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|
3609 if (result != NULL) { \ |
|
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|
3610 /* copy the array to the c chunk */ \ |
|
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|
3611 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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3612 if (isCopy) { \ |
|
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|
3613 *isCopy = JNI_TRUE; \ |
|
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|
3614 } \ |
|
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|
3615 } \ |
| 0 | 3616 } \ |
| 3617 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3618 return result; \ | |
| 3619 JNI_END | |
| 3620 | |
| 3621 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3622 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3623 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3624 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3625 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3626 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3627 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3628 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3629 | |
| 4006 | 3630 #else /* USDT2 */ |
| 3631 | |
| 3632 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3633 , EntryProbe, ReturnProbe) \ | |
| 3634 \ | |
| 3635 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3636 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3637 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3638 EntryProbe; \ | |
| 3639 /* allocate an chunk of memory in c land */ \ | |
| 3640 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3641 ElementType* result; \ | |
| 3642 int len = a->length(); \ | |
| 3643 if (len == 0) { \ | |
| 3644 /* Empty array: legal but useless, can't return NULL. \ | |
| 3645 * Return a pointer to something useless. \ | |
| 3646 * Avoid asserts in typeArrayOop. */ \ | |
| 3647 result = (ElementType*)get_bad_address(); \ | |
| 3648 } else { \ | |
|
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3649 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3650 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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|
3651 if (result != NULL) { \ |
|
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|
3652 /* copy the array to the c chunk */ \ |
|
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|
3653 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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|
3654 if (isCopy) { \ |
|
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|
3655 *isCopy = JNI_TRUE; \ |
|
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|
3656 } \ |
|
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|
3657 } \ |
| 4006 | 3658 } \ |
| 3659 ReturnProbe; \ | |
| 3660 return result; \ | |
| 3661 JNI_END | |
| 3662 | |
| 3663 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3664 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3665 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3666 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3667 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3668 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3669 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3670 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3671 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3672 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3673 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3674 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3675 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3676 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3677 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3678 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3679 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3680 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3681 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3682 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3683 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3684 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3685 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3686 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3687 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3688 #endif /* USDT2 */ | |
| 3689 | |
| 3690 #ifndef USDT2 | |
| 0 | 3691 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3692 \ | |
| 3693 JNI_QUICK_ENTRY(void, \ | |
| 3694 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3695 ElementType *buf, jint mode)) \ | |
| 3696 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3697 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3698 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3699 int len = a->length(); \ | |
| 3700 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3701 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3702 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3703 } \ | |
| 3704 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3705 FreeHeap(buf); \ | |
| 3706 } \ | |
| 3707 } \ | |
| 3708 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3709 JNI_END | |
| 3710 | |
| 3711 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3712 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3713 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3714 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3719 | |
| 4006 | 3720 #else /* USDT2 */ |
| 3721 | |
| 3722 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3723 , EntryProbe, ReturnProbe);\ | |
| 3724 \ | |
| 3725 JNI_QUICK_ENTRY(void, \ | |
| 3726 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3727 ElementType *buf, jint mode)) \ | |
| 3728 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3729 EntryProbe; \ | |
| 3730 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3731 int len = a->length(); \ | |
| 3732 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3733 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3734 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3735 } \ | |
| 3736 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3737 FreeHeap(buf); \ | |
| 3738 } \ | |
| 3739 } \ | |
| 3740 ReturnProbe; \ | |
| 3741 JNI_END | |
| 3742 | |
| 3743 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3744 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3745 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3747 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3748 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3750 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3751 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3753 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3754 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3755 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3756 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3757 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3758 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3759 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3760 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3761 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3762 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3763 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3764 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3765 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3766 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3767 #endif /* USDT2 */ | |
| 3768 | |
| 3769 #ifndef USDT2 | |
| 0 | 3770 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3771 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3772 \ | |
| 3773 JNI_ENTRY(void, \ | |
| 3774 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3775 jsize len, ElementType *buf)) \ | |
| 3776 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3777 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3778 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3779 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3780 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3781 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3782 } else { \ | |
| 3783 if (len > 0) { \ | |
|
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|
3784 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3785 memcpy((u_char*) buf, \ |
| 3786 (u_char*) src->Tag##_at_addr(start), \ | |
| 3787 len << sc); \ | |
| 3788 } \ | |
| 3789 } \ | |
| 3790 JNI_END | |
| 3791 | |
| 3792 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3793 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3794 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3795 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3796 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3797 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3798 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3800 | |
| 4006 | 3801 #else /* USDT2 */ |
| 3802 | |
| 3803 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3804 , EntryProbe, ReturnProbe); \ | |
| 3805 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3806 , ReturnProbe); \ | |
| 3807 \ | |
| 3808 JNI_ENTRY(void, \ | |
| 3809 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3810 jsize len, ElementType *buf)) \ | |
| 3811 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3812 EntryProbe; \ | |
| 3813 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3814 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3815 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3816 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3817 } else { \ | |
| 3818 if (len > 0) { \ | |
|
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d8ce2825b193
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diff
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|
3819 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3820 memcpy((u_char*) buf, \ |
| 3821 (u_char*) src->Tag##_at_addr(start), \ | |
| 3822 len << sc); \ | |
| 3823 } \ | |
| 3824 } \ | |
| 3825 JNI_END | |
| 3826 | |
| 3827 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3828 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3829 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3830 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3831 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3832 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3833 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3834 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3835 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3836 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3837 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3838 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3839 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3840 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3841 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3842 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3843 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3844 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3845 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3846 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3847 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3848 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3849 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3850 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3851 #endif /* USDT2 */ | |
| 3852 | |
| 3853 #ifndef USDT2 | |
| 0 | 3854 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3855 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3856 \ | |
| 3857 JNI_ENTRY(void, \ | |
| 3858 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3859 jsize len, const ElementType *buf)) \ | |
| 3860 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3861 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3862 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3863 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3864 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3865 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3866 } else { \ | |
| 3867 if (len > 0) { \ | |
|
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|
3868 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3869 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3870 (u_char*) buf, \ | |
| 3871 len << sc); \ | |
| 3872 } \ | |
| 3873 } \ | |
| 3874 JNI_END | |
| 3875 | |
| 3876 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3877 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3878 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3879 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3880 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3881 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3882 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3884 | |
| 4006 | 3885 #else /* USDT2 */ |
| 3886 | |
| 3887 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3888 , EntryProbe, ReturnProbe); \ | |
| 3889 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3890 ,ReturnProbe); \ | |
| 3891 \ | |
| 3892 JNI_ENTRY(void, \ | |
| 3893 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3894 jsize len, const ElementType *buf)) \ | |
| 3895 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3896 EntryProbe; \ | |
| 3897 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3898 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3899 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3900 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3901 } else { \ | |
| 3902 if (len > 0) { \ | |
|
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|
3903 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3904 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3905 (u_char*) buf, \ | |
| 3906 len << sc); \ | |
| 3907 } \ | |
| 3908 } \ | |
| 3909 JNI_END | |
| 3910 | |
| 3911 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3912 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3913 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3914 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3915 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3916 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3917 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3918 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3919 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3920 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3921 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3922 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3923 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3924 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3925 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3926 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3927 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3928 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3929 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3930 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3931 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3932 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3933 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3934 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3935 #endif /* USDT2 */ | |
| 3936 | |
| 0 | 3937 |
| 3938 // | |
| 3939 // Interception of natives | |
| 3940 // | |
| 3941 | |
| 3942 // The RegisterNatives call being attempted tried to register with a method that | |
| 3943 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3944 // to see if the native method is now wrapped with the prefixes. See the | |
| 3945 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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|
3946 static Method* find_prefixed_native(KlassHandle k, |
|
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|
3947 Symbol* name, Symbol* signature, TRAPS) { |
|
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|
3948 #if INCLUDE_JVMTI |
| 0 | 3949 ResourceMark rm(THREAD); |
|
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|
3950 Method* method; |
| 0 | 3951 int name_len = name->utf8_length(); |
| 3952 char* name_str = name->as_utf8(); | |
| 3953 int prefix_count; | |
| 3954 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3955 for (int i = 0; i < prefix_count; i++) { | |
| 3956 char* prefix = prefixes[i]; | |
| 3957 int prefix_len = (int)strlen(prefix); | |
| 3958 | |
| 3959 // try adding this prefix to the method name and see if it matches another method name | |
| 3960 int trial_len = name_len + prefix_len; | |
| 3961 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3962 strcpy(trial_name_str, prefix); | |
| 3963 strcat(trial_name_str, name_str); | |
|
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|
3964 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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|
3965 if (trial_name == NULL) { |
| 0 | 3966 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3967 } | |
| 6983 | 3968 method = k()->lookup_method(trial_name, signature); |
| 0 | 3969 if (method == NULL) { |
| 3970 continue; // signature doesn't match, try the next prefix | |
| 3971 } | |
| 3972 if (method->is_native()) { | |
| 3973 method->set_is_prefixed_native(); | |
| 3974 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3975 } | |
| 3976 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3977 name_len = trial_len; | |
| 3978 name_str = trial_name_str; | |
| 3979 } | |
|
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|
3980 #endif // INCLUDE_JVMTI |
| 0 | 3981 return NULL; // not found |
| 3982 } | |
| 3983 | |
|
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|
3984 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3985 Method* method = k()->lookup_method(name, signature); |
| 0 | 3986 if (method == NULL) { |
| 3987 ResourceMark rm; | |
| 3988 stringStream st; | |
| 3989 st.print("Method %s name or signature does not match", | |
| 6983 | 3990 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3991 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3992 } | |
| 3993 if (!method->is_native()) { | |
| 3994 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3995 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3996 if (method == NULL) { | |
| 3997 ResourceMark rm; | |
| 3998 stringStream st; | |
| 3999 st.print("Method %s is not declared as native", | |
| 6983 | 4000 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4001 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4002 } | |
| 4003 } | |
| 4004 | |
| 4005 if (entry != NULL) { | |
| 4006 method->set_native_function(entry, | |
|
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|
4007 Method::native_bind_event_is_interesting); |
| 0 | 4008 } else { |
| 4009 method->clear_native_function(); | |
| 4010 } | |
| 4011 if (PrintJNIResolving) { | |
| 4012 ResourceMark rm(THREAD); | |
| 4013 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
6940
18fb7da42534
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6856
diff
changeset
|
4014 method->method_holder()->external_name(), |
| 0 | 4015 method->name()->as_C_string()); |
| 4016 } | |
| 4017 return true; | |
| 4018 } | |
| 4019 | |
| 4006 | 4020 #ifndef USDT2 |
| 0 | 4021 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4022 #else /* USDT2 */ |
| 4023 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4024 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4025 #endif /* USDT2 */ | |
| 0 | 4026 |
| 4027 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4028 const JNINativeMethod *methods, | |
| 4029 jint nMethods)) | |
| 4030 JNIWrapper("RegisterNatives"); | |
| 4006 | 4031 #ifndef USDT2 |
| 0 | 4032 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4033 #else /* USDT2 */ |
| 4034 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4035 env, clazz, (void *) methods, nMethods); | |
| 4036 #endif /* USDT2 */ | |
| 0 | 4037 jint ret = 0; |
| 4038 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4039 | |
|
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|
4040 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4041 |
| 4042 for (int index = 0; index < nMethods; index++) { | |
| 4043 const char* meth_name = methods[index].name; | |
| 4044 const char* meth_sig = methods[index].signature; | |
| 4045 int meth_name_len = (int)strlen(meth_name); | |
| 4046 | |
| 4047 // The class should have been loaded (we have an instance of the class | |
| 4048 // passed in) so the method and signature should already be in the symbol | |
| 4049 // table. If they're not there, the method doesn't exist. | |
|
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|
4050 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
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diff
changeset
|
4051 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
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diff
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|
4052 |
|
3582bf76420e
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|
4053 if (name == NULL || signature == NULL) { |
| 0 | 4054 ResourceMark rm; |
| 4055 stringStream st; | |
| 6983 | 4056 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4057 // Must return negative value on failure |
| 4058 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4059 } | |
| 4060 | |
| 4061 bool res = register_native(h_k, name, signature, | |
| 4062 (address) methods[index].fnPtr, THREAD); | |
| 4063 if (!res) { | |
| 4064 ret = -1; | |
| 4065 break; | |
| 4066 } | |
| 4067 } | |
| 4068 return ret; | |
| 4069 JNI_END | |
| 4070 | |
| 4071 | |
| 4072 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4073 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4074 #ifndef USDT2 |
| 0 | 4075 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4076 #else /* USDT2 */ |
| 4077 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4078 env, clazz); | |
| 4079 #endif /* USDT2 */ | |
|
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|
4080 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4081 //%note jni_2 |
| 6983 | 4082 if (k->oop_is_instance()) { |
|
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|
4083 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
4084 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4085 if (m->is_native()) { |
| 4086 m->clear_native_function(); | |
| 4087 m->set_signature_handler(NULL); | |
| 4088 } | |
| 4089 } | |
| 4090 } | |
| 4006 | 4091 #ifndef USDT2 |
| 0 | 4092 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4093 #else /* USDT2 */ |
| 4094 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4095 0); | |
| 4096 #endif /* USDT2 */ | |
| 0 | 4097 return 0; |
| 4098 JNI_END | |
| 4099 | |
| 4100 // | |
| 4101 // Monitor functions | |
| 4102 // | |
| 4103 | |
| 4006 | 4104 #ifndef USDT2 |
| 0 | 4105 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4106 #else /* USDT2 */ |
| 4107 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4108 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4109 #endif /* USDT2 */ | |
| 0 | 4110 |
| 4111 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4112 #ifndef USDT2 |
| 0 | 4113 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4114 #else /* USDT2 */ |
| 4115 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4116 env, jobj); | |
| 4117 #endif /* USDT2 */ | |
| 0 | 4118 jint ret = JNI_ERR; |
| 4119 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4120 | |
| 4121 // If the object is null, we can't do anything with it | |
| 4122 if (jobj == NULL) { | |
| 4123 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4124 } | |
| 4125 | |
| 4126 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4127 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4128 ret = JNI_OK; | |
| 4129 return ret; | |
| 4130 JNI_END | |
| 4131 | |
| 4006 | 4132 #ifndef USDT2 |
| 0 | 4133 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4134 #else /* USDT2 */ |
| 4135 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4136 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4137 #endif /* USDT2 */ | |
| 0 | 4138 |
| 4139 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4140 #ifndef USDT2 |
| 0 | 4141 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4142 #else /* USDT2 */ |
| 4143 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4144 env, jobj); | |
| 4145 #endif /* USDT2 */ | |
| 0 | 4146 jint ret = JNI_ERR; |
| 4147 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4148 | |
| 4149 // Don't do anything with a null object | |
| 4150 if (jobj == NULL) { | |
| 4151 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4152 } | |
| 4153 | |
| 4154 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4155 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4156 | |
| 4157 ret = JNI_OK; | |
| 4158 return ret; | |
| 4159 JNI_END | |
| 4160 | |
| 4161 // | |
| 4162 // Extensions | |
| 4163 // | |
| 4164 | |
| 4006 | 4165 #ifndef USDT2 |
| 0 | 4166 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4167 #else /* USDT2 */ |
| 4168 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4169 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4170 #endif /* USDT2 */ | |
| 0 | 4171 |
| 4172 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4173 JNIWrapper("GetStringRegion"); | |
| 4006 | 4174 #ifndef USDT2 |
| 0 | 4175 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4176 #else /* USDT2 */ |
| 4177 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4178 env, string, start, len, buf); | |
| 4179 #endif /* USDT2 */ | |
| 0 | 4180 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4181 oop s = JNIHandles::resolve_non_null(string); | |
| 4182 int s_len = java_lang_String::length(s); | |
| 4183 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4184 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4185 } else { | |
| 4186 if (len > 0) { | |
| 4187 int s_offset = java_lang_String::offset(s); | |
| 4188 typeArrayOop s_value = java_lang_String::value(s); | |
| 4189 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4190 } | |
| 4191 } | |
| 4192 JNI_END | |
| 4193 | |
| 4006 | 4194 #ifndef USDT2 |
| 0 | 4195 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4196 #else /* USDT2 */ |
| 4197 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4198 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4199 #endif /* USDT2 */ | |
| 0 | 4200 |
| 4201 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4202 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4203 #ifndef USDT2 |
| 0 | 4204 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4205 #else /* USDT2 */ |
| 4206 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4207 env, string, start, len, buf); | |
| 4208 #endif /* USDT2 */ | |
| 0 | 4209 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4210 oop s = JNIHandles::resolve_non_null(string); | |
| 4211 int s_len = java_lang_String::length(s); | |
| 4212 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4213 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4214 } else { | |
| 4215 //%note jni_7 | |
| 4216 if (len > 0) { | |
| 4217 ResourceMark rm(THREAD); | |
| 4218 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4219 int utf_len = (int)strlen(utf_region); | |
| 4220 memcpy(buf, utf_region, utf_len); | |
| 4221 buf[utf_len] = 0; | |
| 4222 } else { | |
| 4223 // JDK null-terminates the buffer even in len is zero | |
| 4224 if (buf != NULL) { | |
| 4225 buf[0] = 0; | |
| 4226 } | |
| 4227 } | |
| 4228 } | |
| 4229 JNI_END | |
| 4230 | |
| 4231 | |
| 4232 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4233 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4234 #ifndef USDT2 |
| 0 | 4235 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4236 #else /* USDT2 */ |
| 4237 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4238 env, array, (uintptr_t *) isCopy); | |
| 4239 #endif /* USDT2 */ | |
| 0 | 4240 GC_locker::lock_critical(thread); |
| 4241 if (isCopy != NULL) { | |
| 4242 *isCopy = JNI_FALSE; | |
| 4243 } | |
| 4244 oop a = JNIHandles::resolve_non_null(array); | |
| 4245 assert(a->is_array(), "just checking"); | |
| 4246 BasicType type; | |
| 4247 if (a->is_objArray()) { | |
| 4248 type = T_OBJECT; | |
| 4249 } else { | |
|
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|
4250 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4251 } |
| 4252 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4253 #ifndef USDT2 |
| 0 | 4254 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4255 #else /* USDT2 */ |
| 4256 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4257 ret); | |
| 4258 #endif /* USDT2 */ | |
| 0 | 4259 return ret; |
| 4260 JNI_END | |
| 4261 | |
| 4262 | |
| 4263 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4264 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4265 #ifndef USDT2 |
| 0 | 4266 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4267 #else /* USDT2 */ |
| 4268 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4269 env, array, carray, mode); | |
| 4270 #endif /* USDT2 */ | |
| 0 | 4271 // The array, carray and mode arguments are ignored |
| 4272 GC_locker::unlock_critical(thread); | |
| 4006 | 4273 #ifndef USDT2 |
| 0 | 4274 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4275 #else /* USDT2 */ |
| 4276 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4277 ); | |
| 4278 #endif /* USDT2 */ | |
| 0 | 4279 JNI_END |
| 4280 | |
| 4281 | |
| 4282 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4283 JNIWrapper("GetStringCritical"); | |
| 4006 | 4284 #ifndef USDT2 |
| 0 | 4285 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4286 #else /* USDT2 */ |
| 4287 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4288 env, string, (uintptr_t *) isCopy); | |
| 4289 #endif /* USDT2 */ | |
| 0 | 4290 GC_locker::lock_critical(thread); |
| 4291 if (isCopy != NULL) { | |
| 4292 *isCopy = JNI_FALSE; | |
| 4293 } | |
| 4294 oop s = JNIHandles::resolve_non_null(string); | |
| 4295 int s_len = java_lang_String::length(s); | |
| 4296 typeArrayOop s_value = java_lang_String::value(s); | |
| 4297 int s_offset = java_lang_String::offset(s); | |
| 4298 const jchar* ret; | |
| 4299 if (s_len > 0) { | |
| 4300 ret = s_value->char_at_addr(s_offset); | |
| 4301 } else { | |
| 4302 ret = (jchar*) s_value->base(T_CHAR); | |
| 4303 } | |
| 4006 | 4304 #ifndef USDT2 |
| 0 | 4305 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4306 #else /* USDT2 */ |
| 4307 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4308 (uint16_t *) ret); | |
| 4309 #endif /* USDT2 */ | |
| 0 | 4310 return ret; |
| 4311 JNI_END | |
| 4312 | |
| 4313 | |
| 4314 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4315 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4316 #ifndef USDT2 |
| 0 | 4317 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4318 #else /* USDT2 */ |
| 4319 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4320 env, str, (uint16_t *) chars); | |
| 4321 #endif /* USDT2 */ | |
| 0 | 4322 // The str and chars arguments are ignored |
| 4323 GC_locker::unlock_critical(thread); | |
| 4006 | 4324 #ifndef USDT2 |
| 0 | 4325 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4326 #else /* USDT2 */ |
| 4327 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4328 ); | |
| 4329 #endif /* USDT2 */ | |
| 0 | 4330 JNI_END |
| 4331 | |
| 4332 | |
| 4333 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4334 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4335 #ifndef USDT2 |
| 0 | 4336 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4337 #else /* USDT2 */ |
| 4338 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4339 env, ref); | |
| 4340 #endif /* USDT2 */ | |
| 0 | 4341 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4342 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4343 #ifndef USDT2 |
| 0 | 4344 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4345 #else /* USDT2 */ |
| 4346 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4347 ret); | |
| 4348 #endif /* USDT2 */ | |
| 0 | 4349 return ret; |
| 4350 JNI_END | |
| 4351 | |
| 4352 // Must be JNI_ENTRY (with HandleMark) | |
| 4353 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4354 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4355 #ifndef USDT2 |
| 0 | 4356 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4357 #else /* USDT2 */ |
| 4358 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4359 env, ref); | |
| 4360 #endif /* USDT2 */ | |
| 0 | 4361 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4362 #ifndef USDT2 |
| 0 | 4363 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4364 #else /* USDT2 */ |
| 4365 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4366 ); | |
| 4367 #endif /* USDT2 */ | |
| 0 | 4368 JNI_END |
| 4369 | |
| 4370 | |
| 4371 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4372 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4373 #ifndef USDT2 |
| 0 | 4374 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4375 #else /* USDT2 */ |
| 4376 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4377 env); | |
| 4378 #endif /* USDT2 */ | |
| 0 | 4379 jni_check_async_exceptions(thread); |
| 4380 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4381 #ifndef USDT2 |
| 0 | 4382 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4383 #else /* USDT2 */ |
| 4384 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4385 ret); | |
| 4386 #endif /* USDT2 */ | |
| 0 | 4387 return ret; |
| 4388 JNI_END | |
| 4389 | |
| 4390 | |
| 4391 // Initialization state for three routines below relating to | |
| 4392 // java.nio.DirectBuffers | |
| 4393 static jint directBufferSupportInitializeStarted = 0; | |
| 4394 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4395 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4396 static jclass bufferClass = NULL; | |
| 4397 static jclass directBufferClass = NULL; | |
| 4398 static jclass directByteBufferClass = NULL; | |
| 4399 static jmethodID directByteBufferConstructor = NULL; | |
| 4400 static jfieldID directBufferAddressField = NULL; | |
| 4401 static jfieldID bufferCapacityField = NULL; | |
| 4402 | |
| 4403 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4404 Handle loader; // null (bootstrap) loader | |
| 4405 Handle protection_domain; // null protection domain | |
| 4406 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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parents:
1989
diff
changeset
|
4407 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4408 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
579
diff
changeset
|
4409 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
579
diff
changeset
|
4410 if (TraceClassResolution && result != NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4411 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
579
diff
changeset
|
4412 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
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parents:
579
diff
changeset
|
4413 return result; |
| 0 | 4414 } |
| 4415 | |
| 4416 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4417 // circumvent any security checks that would be done by jni_FindClass. | |
| 4418 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4419 { | |
| 4420 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4421 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4422 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4423 return true; | |
| 4424 } | |
| 4425 JNI_END | |
| 4426 | |
| 4427 | |
| 4428 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4429 if (directBufferSupportInitializeFailed) { | |
| 4430 return false; | |
| 4431 } | |
| 4432 | |
| 4433 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4434 if (!lookupDirectBufferClasses(env)) { | |
| 4435 directBufferSupportInitializeFailed = 1; | |
| 4436 return false; | |
| 4437 } | |
| 4438 | |
| 4439 // Make global references for these | |
| 4440 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4441 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4442 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4443 | |
| 4444 // Get needed field and method IDs | |
| 4445 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
|
17704
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
17694
diff
changeset
|
4446 if (env->ExceptionCheck()) { |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
17694
diff
changeset
|
4447 env->ExceptionClear(); |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
17694
diff
changeset
|
4448 directBufferSupportInitializeFailed = 1; |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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17694
diff
changeset
|
4449 return false; |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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17694
diff
changeset
|
4450 } |
| 0 | 4451 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); |
|
17704
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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parents:
17694
diff
changeset
|
4452 if (env->ExceptionCheck()) { |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
17694
diff
changeset
|
4453 env->ExceptionClear(); |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
17694
diff
changeset
|
4454 directBufferSupportInitializeFailed = 1; |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents:
17694
diff
changeset
|
4455 return false; |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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17694
diff
changeset
|
4456 } |
| 0 | 4457 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); |
|
17704
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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17694
diff
changeset
|
4458 if (env->ExceptionCheck()) { |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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17694
diff
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|
4459 env->ExceptionClear(); |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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17694
diff
changeset
|
4460 directBufferSupportInitializeFailed = 1; |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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diff
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|
4461 return false; |
|
56cd09c4a5c9
8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
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17694
diff
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|
4462 } |
| 0 | 4463 |
| 4464 if ((directByteBufferConstructor == NULL) || | |
| 4465 (directBufferAddressField == NULL) || | |
| 4466 (bufferCapacityField == NULL)) { | |
| 4467 directBufferSupportInitializeFailed = 1; | |
| 4468 return false; | |
| 4469 } | |
| 4470 | |
| 4471 directBufferSupportInitializeEnded = 1; | |
| 4472 } else { | |
| 4473 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
|
4474 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4475 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4476 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4477 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4478 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
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477
diff
changeset
|
4479 ThreadInVMfromNative tivn(thread); |
| 0 | 4480 os::yield_all(); |
| 4481 } | |
| 4482 } | |
| 4483 | |
| 4484 return !directBufferSupportInitializeFailed; | |
| 4485 } | |
| 4486 | |
| 4487 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4488 { | |
| 4489 // thread_from_jni_environment() will block if VM is gone. | |
| 4490 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4491 | |
| 4492 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4493 #ifndef USDT2 |
| 0 | 4494 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4495 #else /* USDT2 */ |
| 4496 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4497 env, address, capacity); | |
| 4498 #endif /* USDT2 */ | |
| 0 | 4499 |
| 4500 if (!directBufferSupportInitializeEnded) { | |
| 4501 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4502 #ifndef USDT2 |
| 0 | 4503 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4504 #else /* USDT2 */ |
| 4505 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4506 NULL); | |
| 4507 #endif /* USDT2 */ | |
| 0 | 4508 return NULL; |
| 4509 } | |
| 4510 } | |
| 4511 | |
| 4512 // Being paranoid about accidental sign extension on address | |
| 4513 jlong addr = (jlong) ((uintptr_t) address); | |
| 4514 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4515 // takes int capacity | |
| 4516 jint cap = (jint) capacity; | |
| 4517 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4518 #ifndef USDT2 |
| 0 | 4519 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4520 #else /* USDT2 */ |
| 4521 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4522 ret); | |
| 4523 #endif /* USDT2 */ | |
| 0 | 4524 return ret; |
| 4525 } | |
| 4526 | |
| 4006 | 4527 #ifndef USDT2 |
| 0 | 4528 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4529 #else /* USDT2 */ |
| 4530 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4531 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4532 #endif /* USDT2 */ | |
| 0 | 4533 |
| 4534 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4535 { | |
| 4536 // thread_from_jni_environment() will block if VM is gone. | |
| 4537 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4538 | |
| 4539 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4540 #ifndef USDT2 |
| 0 | 4541 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4542 #else /* USDT2 */ |
| 4543 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4544 env, buf); | |
| 4545 #endif /* USDT2 */ | |
| 0 | 4546 void* ret = NULL; |
| 4547 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4548 | |
| 4549 if (!directBufferSupportInitializeEnded) { | |
| 4550 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4551 return 0; | |
| 4552 } | |
| 4553 } | |
| 4554 | |
| 4555 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4556 return 0; | |
| 4557 } | |
| 4558 | |
| 4559 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4560 return ret; | |
| 4561 } | |
| 4562 | |
| 4006 | 4563 #ifndef USDT2 |
| 0 | 4564 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4565 #else /* USDT2 */ |
| 4566 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4567 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4568 #endif /* USDT2 */ | |
| 0 | 4569 |
| 4570 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4571 { | |
| 4572 // thread_from_jni_environment() will block if VM is gone. | |
| 4573 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4574 | |
| 4575 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4576 #ifndef USDT2 |
| 0 | 4577 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4578 #else /* USDT2 */ |
| 4579 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4580 env, buf); | |
| 4581 #endif /* USDT2 */ | |
| 0 | 4582 jlong ret = -1; |
| 4583 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4584 | |
| 4585 if (!directBufferSupportInitializeEnded) { | |
| 4586 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4587 ret = 0; | |
| 4588 return ret; | |
| 4589 } | |
| 4590 } | |
| 4591 | |
| 4592 if (buf == NULL) { | |
| 4593 return -1; | |
| 4594 } | |
| 4595 | |
| 4596 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4597 return -1; | |
| 4598 } | |
| 4599 | |
| 4600 // NOTE that capacity is currently an int in the implementation | |
| 4601 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4602 return ret; | |
| 4603 } | |
| 4604 | |
| 4605 | |
| 4606 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4607 JNIWrapper("GetVersion"); | |
| 4006 | 4608 #ifndef USDT2 |
| 0 | 4609 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4610 #else /* USDT2 */ |
| 4611 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4612 env); | |
| 4613 #endif /* USDT2 */ | |
| 4614 #ifndef USDT2 | |
| 0 | 4615 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4616 #else /* USDT2 */ |
| 4617 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4618 CurrentVersion); | |
| 4619 #endif /* USDT2 */ | |
| 0 | 4620 return CurrentVersion; |
| 4621 JNI_END | |
| 4622 | |
| 4623 extern struct JavaVM_ main_vm; | |
| 4624 | |
| 4625 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4626 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4627 #ifndef USDT2 |
| 0 | 4628 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4629 #else /* USDT2 */ |
| 4630 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4631 env, (void **) vm); | |
| 4632 #endif /* USDT2 */ | |
| 0 | 4633 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4634 #ifndef USDT2 |
| 0 | 4635 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4636 #else /* USDT2 */ |
| 4637 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4638 JNI_OK); | |
| 4639 #endif /* USDT2 */ | |
| 0 | 4640 return JNI_OK; |
| 4641 JNI_END | |
| 4642 | |
| 4643 // Structure containing all jni functions | |
| 4644 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4645 NULL, | |
| 4646 NULL, | |
| 4647 NULL, | |
| 4648 | |
| 4649 NULL, | |
| 4650 | |
| 4651 jni_GetVersion, | |
| 4652 | |
| 4653 jni_DefineClass, | |
| 4654 jni_FindClass, | |
| 4655 | |
| 4656 jni_FromReflectedMethod, | |
| 4657 jni_FromReflectedField, | |
| 4658 | |
| 4659 jni_ToReflectedMethod, | |
| 4660 | |
| 4661 jni_GetSuperclass, | |
| 4662 jni_IsAssignableFrom, | |
| 4663 | |
| 4664 jni_ToReflectedField, | |
| 4665 | |
| 4666 jni_Throw, | |
| 4667 jni_ThrowNew, | |
| 4668 jni_ExceptionOccurred, | |
| 4669 jni_ExceptionDescribe, | |
| 4670 jni_ExceptionClear, | |
| 4671 jni_FatalError, | |
| 4672 | |
| 4673 jni_PushLocalFrame, | |
| 4674 jni_PopLocalFrame, | |
| 4675 | |
| 4676 jni_NewGlobalRef, | |
| 4677 jni_DeleteGlobalRef, | |
| 4678 jni_DeleteLocalRef, | |
| 4679 jni_IsSameObject, | |
| 4680 | |
| 4681 jni_NewLocalRef, | |
| 4682 jni_EnsureLocalCapacity, | |
| 4683 | |
| 4684 jni_AllocObject, | |
| 4685 jni_NewObject, | |
| 4686 jni_NewObjectV, | |
| 4687 jni_NewObjectA, | |
| 4688 | |
| 4689 jni_GetObjectClass, | |
| 4690 jni_IsInstanceOf, | |
| 4691 | |
| 4692 jni_GetMethodID, | |
| 4693 | |
| 4694 jni_CallObjectMethod, | |
| 4695 jni_CallObjectMethodV, | |
| 4696 jni_CallObjectMethodA, | |
| 4697 jni_CallBooleanMethod, | |
| 4698 jni_CallBooleanMethodV, | |
| 4699 jni_CallBooleanMethodA, | |
| 4700 jni_CallByteMethod, | |
| 4701 jni_CallByteMethodV, | |
| 4702 jni_CallByteMethodA, | |
| 4703 jni_CallCharMethod, | |
| 4704 jni_CallCharMethodV, | |
| 4705 jni_CallCharMethodA, | |
| 4706 jni_CallShortMethod, | |
| 4707 jni_CallShortMethodV, | |
| 4708 jni_CallShortMethodA, | |
| 4709 jni_CallIntMethod, | |
| 4710 jni_CallIntMethodV, | |
| 4711 jni_CallIntMethodA, | |
| 4712 jni_CallLongMethod, | |
| 4713 jni_CallLongMethodV, | |
| 4714 jni_CallLongMethodA, | |
| 4715 jni_CallFloatMethod, | |
| 4716 jni_CallFloatMethodV, | |
| 4717 jni_CallFloatMethodA, | |
| 4718 jni_CallDoubleMethod, | |
| 4719 jni_CallDoubleMethodV, | |
| 4720 jni_CallDoubleMethodA, | |
| 4721 jni_CallVoidMethod, | |
| 4722 jni_CallVoidMethodV, | |
| 4723 jni_CallVoidMethodA, | |
| 4724 | |
| 4725 jni_CallNonvirtualObjectMethod, | |
| 4726 jni_CallNonvirtualObjectMethodV, | |
| 4727 jni_CallNonvirtualObjectMethodA, | |
| 4728 jni_CallNonvirtualBooleanMethod, | |
| 4729 jni_CallNonvirtualBooleanMethodV, | |
| 4730 jni_CallNonvirtualBooleanMethodA, | |
| 4731 jni_CallNonvirtualByteMethod, | |
| 4732 jni_CallNonvirtualByteMethodV, | |
| 4733 jni_CallNonvirtualByteMethodA, | |
| 4734 jni_CallNonvirtualCharMethod, | |
| 4735 jni_CallNonvirtualCharMethodV, | |
| 4736 jni_CallNonvirtualCharMethodA, | |
| 4737 jni_CallNonvirtualShortMethod, | |
| 4738 jni_CallNonvirtualShortMethodV, | |
| 4739 jni_CallNonvirtualShortMethodA, | |
| 4740 jni_CallNonvirtualIntMethod, | |
| 4741 jni_CallNonvirtualIntMethodV, | |
| 4742 jni_CallNonvirtualIntMethodA, | |
| 4743 jni_CallNonvirtualLongMethod, | |
| 4744 jni_CallNonvirtualLongMethodV, | |
| 4745 jni_CallNonvirtualLongMethodA, | |
| 4746 jni_CallNonvirtualFloatMethod, | |
| 4747 jni_CallNonvirtualFloatMethodV, | |
| 4748 jni_CallNonvirtualFloatMethodA, | |
| 4749 jni_CallNonvirtualDoubleMethod, | |
| 4750 jni_CallNonvirtualDoubleMethodV, | |
| 4751 jni_CallNonvirtualDoubleMethodA, | |
| 4752 jni_CallNonvirtualVoidMethod, | |
| 4753 jni_CallNonvirtualVoidMethodV, | |
| 4754 jni_CallNonvirtualVoidMethodA, | |
| 4755 | |
| 4756 jni_GetFieldID, | |
| 4757 | |
| 4758 jni_GetObjectField, | |
| 4759 jni_GetBooleanField, | |
| 4760 jni_GetByteField, | |
| 4761 jni_GetCharField, | |
| 4762 jni_GetShortField, | |
| 4763 jni_GetIntField, | |
| 4764 jni_GetLongField, | |
| 4765 jni_GetFloatField, | |
| 4766 jni_GetDoubleField, | |
| 4767 | |
| 4768 jni_SetObjectField, | |
| 4769 jni_SetBooleanField, | |
| 4770 jni_SetByteField, | |
| 4771 jni_SetCharField, | |
| 4772 jni_SetShortField, | |
| 4773 jni_SetIntField, | |
| 4774 jni_SetLongField, | |
| 4775 jni_SetFloatField, | |
| 4776 jni_SetDoubleField, | |
| 4777 | |
| 4778 jni_GetStaticMethodID, | |
| 4779 | |
| 4780 jni_CallStaticObjectMethod, | |
| 4781 jni_CallStaticObjectMethodV, | |
| 4782 jni_CallStaticObjectMethodA, | |
| 4783 jni_CallStaticBooleanMethod, | |
| 4784 jni_CallStaticBooleanMethodV, | |
| 4785 jni_CallStaticBooleanMethodA, | |
| 4786 jni_CallStaticByteMethod, | |
| 4787 jni_CallStaticByteMethodV, | |
| 4788 jni_CallStaticByteMethodA, | |
| 4789 jni_CallStaticCharMethod, | |
| 4790 jni_CallStaticCharMethodV, | |
| 4791 jni_CallStaticCharMethodA, | |
| 4792 jni_CallStaticShortMethod, | |
| 4793 jni_CallStaticShortMethodV, | |
| 4794 jni_CallStaticShortMethodA, | |
| 4795 jni_CallStaticIntMethod, | |
| 4796 jni_CallStaticIntMethodV, | |
| 4797 jni_CallStaticIntMethodA, | |
| 4798 jni_CallStaticLongMethod, | |
| 4799 jni_CallStaticLongMethodV, | |
| 4800 jni_CallStaticLongMethodA, | |
| 4801 jni_CallStaticFloatMethod, | |
| 4802 jni_CallStaticFloatMethodV, | |
| 4803 jni_CallStaticFloatMethodA, | |
| 4804 jni_CallStaticDoubleMethod, | |
| 4805 jni_CallStaticDoubleMethodV, | |
| 4806 jni_CallStaticDoubleMethodA, | |
| 4807 jni_CallStaticVoidMethod, | |
| 4808 jni_CallStaticVoidMethodV, | |
| 4809 jni_CallStaticVoidMethodA, | |
| 4810 | |
| 4811 jni_GetStaticFieldID, | |
| 4812 | |
| 4813 jni_GetStaticObjectField, | |
| 4814 jni_GetStaticBooleanField, | |
| 4815 jni_GetStaticByteField, | |
| 4816 jni_GetStaticCharField, | |
| 4817 jni_GetStaticShortField, | |
| 4818 jni_GetStaticIntField, | |
| 4819 jni_GetStaticLongField, | |
| 4820 jni_GetStaticFloatField, | |
| 4821 jni_GetStaticDoubleField, | |
| 4822 | |
| 4823 jni_SetStaticObjectField, | |
| 4824 jni_SetStaticBooleanField, | |
| 4825 jni_SetStaticByteField, | |
| 4826 jni_SetStaticCharField, | |
| 4827 jni_SetStaticShortField, | |
| 4828 jni_SetStaticIntField, | |
| 4829 jni_SetStaticLongField, | |
| 4830 jni_SetStaticFloatField, | |
| 4831 jni_SetStaticDoubleField, | |
| 4832 | |
| 4833 jni_NewString, | |
| 4834 jni_GetStringLength, | |
| 4835 jni_GetStringChars, | |
| 4836 jni_ReleaseStringChars, | |
| 4837 | |
| 4838 jni_NewStringUTF, | |
| 4839 jni_GetStringUTFLength, | |
| 4840 jni_GetStringUTFChars, | |
| 4841 jni_ReleaseStringUTFChars, | |
| 4842 | |
| 4843 jni_GetArrayLength, | |
| 4844 | |
| 4845 jni_NewObjectArray, | |
| 4846 jni_GetObjectArrayElement, | |
| 4847 jni_SetObjectArrayElement, | |
| 4848 | |
| 4849 jni_NewBooleanArray, | |
| 4850 jni_NewByteArray, | |
| 4851 jni_NewCharArray, | |
| 4852 jni_NewShortArray, | |
| 4853 jni_NewIntArray, | |
| 4854 jni_NewLongArray, | |
| 4855 jni_NewFloatArray, | |
| 4856 jni_NewDoubleArray, | |
| 4857 | |
| 4858 jni_GetBooleanArrayElements, | |
| 4859 jni_GetByteArrayElements, | |
| 4860 jni_GetCharArrayElements, | |
| 4861 jni_GetShortArrayElements, | |
| 4862 jni_GetIntArrayElements, | |
| 4863 jni_GetLongArrayElements, | |
| 4864 jni_GetFloatArrayElements, | |
| 4865 jni_GetDoubleArrayElements, | |
| 4866 | |
| 4867 jni_ReleaseBooleanArrayElements, | |
| 4868 jni_ReleaseByteArrayElements, | |
| 4869 jni_ReleaseCharArrayElements, | |
| 4870 jni_ReleaseShortArrayElements, | |
| 4871 jni_ReleaseIntArrayElements, | |
| 4872 jni_ReleaseLongArrayElements, | |
| 4873 jni_ReleaseFloatArrayElements, | |
| 4874 jni_ReleaseDoubleArrayElements, | |
| 4875 | |
| 4876 jni_GetBooleanArrayRegion, | |
| 4877 jni_GetByteArrayRegion, | |
| 4878 jni_GetCharArrayRegion, | |
| 4879 jni_GetShortArrayRegion, | |
| 4880 jni_GetIntArrayRegion, | |
| 4881 jni_GetLongArrayRegion, | |
| 4882 jni_GetFloatArrayRegion, | |
| 4883 jni_GetDoubleArrayRegion, | |
| 4884 | |
| 4885 jni_SetBooleanArrayRegion, | |
| 4886 jni_SetByteArrayRegion, | |
| 4887 jni_SetCharArrayRegion, | |
| 4888 jni_SetShortArrayRegion, | |
| 4889 jni_SetIntArrayRegion, | |
| 4890 jni_SetLongArrayRegion, | |
| 4891 jni_SetFloatArrayRegion, | |
| 4892 jni_SetDoubleArrayRegion, | |
| 4893 | |
| 4894 jni_RegisterNatives, | |
| 4895 jni_UnregisterNatives, | |
| 4896 | |
| 4897 jni_MonitorEnter, | |
| 4898 jni_MonitorExit, | |
| 4899 | |
| 4900 jni_GetJavaVM, | |
| 4901 | |
| 4902 jni_GetStringRegion, | |
| 4903 jni_GetStringUTFRegion, | |
| 4904 | |
| 4905 jni_GetPrimitiveArrayCritical, | |
| 4906 jni_ReleasePrimitiveArrayCritical, | |
| 4907 | |
| 4908 jni_GetStringCritical, | |
| 4909 jni_ReleaseStringCritical, | |
| 4910 | |
| 4911 jni_NewWeakGlobalRef, | |
| 4912 jni_DeleteWeakGlobalRef, | |
| 4913 | |
| 4914 jni_ExceptionCheck, | |
| 4915 | |
| 4916 jni_NewDirectByteBuffer, | |
| 4917 jni_GetDirectBufferAddress, | |
| 4918 jni_GetDirectBufferCapacity, | |
| 4919 | |
| 4920 // New 1_6 features | |
| 4921 | |
| 4922 jni_GetObjectRefType | |
| 4923 }; | |
| 4924 | |
| 4925 | |
| 4926 // For jvmti use to modify jni function table. | |
| 4927 // Java threads in native contiues to run until it is transitioned | |
| 4928 // to VM at safepoint. Before the transition or before it is blocked | |
| 4929 // for safepoint it may access jni function table. VM could crash if | |
| 4930 // any java thread access the jni function table in the middle of memcpy. | |
| 4931 // To avoid this each function pointers are copied automically. | |
| 4932 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4933 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4934 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4935 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4936 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4937 Atomic::store_ptr(*b++, a++); | |
| 4938 } | |
| 4939 } | |
| 4940 | |
| 4941 void quicken_jni_functions() { | |
| 4942 // Replace Get<Primitive>Field with fast versions | |
| 4943 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4944 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4945 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4946 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4947 // versions currently isn't certain for server vm on uniprocessor. | |
| 4948 && os::is_MP() | |
| 4949 #endif | |
| 4950 ) { | |
| 4951 address func; | |
| 4952 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4953 if (func != (address)-1) { | |
| 4954 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4955 } | |
| 4956 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4957 if (func != (address)-1) { | |
| 4958 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4959 } | |
| 4960 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4961 if (func != (address)-1) { | |
| 4962 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4963 } | |
| 4964 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4965 if (func != (address)-1) { | |
| 4966 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4967 } | |
| 4968 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4969 if (func != (address)-1) { | |
| 4970 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4971 } | |
| 4972 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4973 if (func != (address)-1) { | |
| 4974 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4975 } | |
| 4976 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4977 if (func != (address)-1) { | |
| 4978 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4979 } | |
| 4980 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4981 if (func != (address)-1) { | |
| 4982 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4983 } | |
| 4984 } | |
| 4985 } | |
| 4986 | |
| 4987 // Returns the function structure | |
| 4988 struct JNINativeInterface_* jni_functions() { | |
|
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|
4989 #if INCLUDE_JNI_CHECK |
| 0 | 4990 if (CheckJNICalls) return jni_functions_check(); |
|
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|
4991 #endif // INCLUDE_JNI_CHECK |
| 0 | 4992 return &jni_NativeInterface; |
| 4993 } | |
| 4994 | |
| 4995 // Returns the function structure | |
| 4996 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4997 return &jni_NativeInterface; | |
| 4998 } | |
| 4999 | |
| 5000 | |
| 5001 // Invocation API | |
| 5002 | |
| 5003 | |
| 5004 // Forward declaration | |
| 5005 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 5006 | |
| 5007 // Global invocation API vars | |
| 5008 volatile jint vm_created = 0; | |
| 5009 // Indicate whether it is safe to recreate VM | |
| 5010 volatile jint safe_to_recreate_vm = 1; | |
| 5011 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5012 | |
| 5013 | |
| 5014 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5015 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5016 | |
| 4006 | 5017 #ifndef USDT2 |
| 0 | 5018 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5019 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5020 #else /* USDT2 */ |
| 5021 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5022 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5023 #endif /* USDT2 */ | |
| 0 | 5024 |
| 5025 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5026 #ifndef USDT2 |
| 0 | 5027 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5028 #else /* USDT2 */ |
| 5029 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5030 args_); | |
| 5031 #endif /* USDT2 */ | |
| 0 | 5032 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5033 jint ret = JNI_ERR; | |
| 5034 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5035 | |
| 5036 if (Threads::is_supported_jni_version(args->version)) { | |
| 5037 ret = JNI_OK; | |
| 5038 } | |
| 5039 // 1.1 style no longer supported in hotspot. | |
| 5040 // According the JNI spec, we should update args->version on return. | |
| 5041 // We also use the structure to communicate with launcher about default | |
| 5042 // stack size. | |
| 5043 if (args->version == JNI_VERSION_1_1) { | |
| 5044 args->version = JNI_VERSION_1_2; | |
| 5045 // javaStackSize is int in arguments structure | |
| 5046 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5047 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5048 } | |
| 5049 return ret; | |
| 5050 } | |
| 5051 | |
| 3779 | 5052 #ifndef PRODUCT |
| 5053 | |
| 10405 | 5054 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5055 #include "gc_interface/collectedHeap.hpp" |
|
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5056 #if INCLUDE_ALL_GCS |
|
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|
5057 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
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|
5058 #endif |
|
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|
5059 #include "memory/guardedMemory.hpp" |
| 3779 | 5060 #include "utilities/quickSort.hpp" |
| 12215 | 5061 #include "utilities/ostream.hpp" |
| 7171 | 5062 #if INCLUDE_VM_STRUCTS |
| 5063 #include "runtime/vmStructs.hpp" | |
| 5064 #endif | |
| 3779 | 5065 |
| 4708 | 5066 #define run_unit_test(unit_test_function_call) \ |
| 5067 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5068 unit_test_function_call | |
| 5069 | |
|
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|
5070 // Forward declaration |
|
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|
5071 void TestOS_test(); |
|
12110
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|
5072 void TestReservedSpace_test(); |
|
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|
5073 void TestReserveMemorySpecial_test(); |
|
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|
5074 void TestVirtualSpace_test(); |
|
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|
5075 void TestMetaspaceAux_test(); |
| 12902 | 5076 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
|
5077 void TestVirtualSpaceNode_test(); |
|
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|
5078 void TestNewSize_test(); |
|
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changeset
|
5079 void TestKlass_test(); |
| 20360 | 5080 void Test_linked_list(); |
|
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|
5081 void TestChunkedList_test(); |
| 17694 | 5082 #if INCLUDE_ALL_GCS |
|
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|
5083 void TestOldFreeSpaceCalculation_test(); |
|
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|
5084 void TestG1BiasedArray_test(); |
|
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changeset
|
5085 void TestBufferingOopClosure_test(); |
|
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|
5086 void TestCodeCacheRemSet_test(); |
| 20337 | 5087 void FreeRegionList_test(); |
|
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|
5088 #endif |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5089 |
| 3779 | 5090 void execute_internal_vm_tests() { |
| 5091 if (ExecuteInternalVMTests) { | |
| 4708 | 5092 tty->print_cr("Running internal VM tests"); |
|
22974
c2ce24504334
8049864: TestParallelHeapSizeFlags fails with unexpected heap size
ehelin
parents:
20619
diff
changeset
|
5093 run_unit_test(TestOS_test()); |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5094 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5095 run_unit_test(TestReserveMemorySpecial_test()); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5096 run_unit_test(TestVirtualSpace_test()); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5097 run_unit_test(TestMetaspaceAux_test()); |
| 12902 | 5098 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
|
5099 run_unit_test(TestVirtualSpaceNode_test()); |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5100 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5101 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5102 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5103 run_unit_test(CollectedHeap::test_is_in()); | |
| 5104 run_unit_test(QuickSort::test_quick_sort()); | |
|
20318
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
dsimms
parents:
20262
diff
changeset
|
5105 run_unit_test(GuardedMemory::test_guarded_memory()); |
| 6162 | 5106 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 5107 run_unit_test(test_loggc_filename()); |
|
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5108 run_unit_test(TestNewSize_test()); |
|
20262
76b588255908
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
20255
diff
changeset
|
5109 run_unit_test(TestKlass_test()); |
| 20360 | 5110 run_unit_test(Test_linked_list()); |
|
20619
b12a2a9b05ca
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
20360
diff
changeset
|
5111 run_unit_test(TestChunkedList_test()); |
| 7171 | 5112 #if INCLUDE_VM_STRUCTS |
| 5113 run_unit_test(VMStructs::test()); | |
| 5114 #endif | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5115 #if INCLUDE_ALL_GCS |
| 17694 | 5116 run_unit_test(TestOldFreeSpaceCalculation_test()); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5117 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
|
5118 run_unit_test(HeapRegionRemSet::test_prt()); |
|
20255
02e61cf08ab3
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
20197
diff
changeset
|
5119 run_unit_test(TestBufferingOopClosure_test()); |
|
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5120 run_unit_test(TestCodeCacheRemSet_test()); |
| 20337 | 5121 if (UseG1GC) { |
| 5122 run_unit_test(FreeRegionList_test()); | |
| 5123 } | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5124 #endif |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5125 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5126 } |
| 5127 } | |
| 5128 | |
| 4708 | 5129 #undef run_unit_test |
| 5130 | |
| 3779 | 5131 #endif |
| 5132 | |
| 4006 | 5133 #ifndef USDT2 |
| 0 | 5134 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5135 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5136 #else /* USDT2 */ |
| 5137 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5138 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5139 #endif /* USDT2 */ | |
| 0 | 5140 |
| 5141 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5142 #ifndef USDT2 |
| 0 | 5143 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5144 #else /* USDT2 */ |
| 5145 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5146 (void **) vm, penv, args); | |
| 5147 #endif /* USDT2 */ | |
| 0 | 5148 |
| 5149 jint result = JNI_ERR; | |
| 5150 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5151 | |
| 1078 | 5152 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5153 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5154 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5155 // on all architectures. So we check it works before relying on it. | |
| 5156 #if defined(ZERO) && defined(ASSERT) | |
| 5157 { | |
| 5158 jint a = 0xcafebabe; | |
| 5159 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5160 void *c = &a; | |
| 5161 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5162 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5163 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5164 } | |
| 5165 #endif // ZERO && ASSERT | |
| 5166 | |
| 0 | 5167 // At the moment it's only possible to have one Java VM, |
| 5168 // since some of the runtime state is in global variables. | |
| 5169 | |
| 5170 // We cannot use our mutex locks here, since they only work on | |
| 5171 // Threads. We do an atomic compare and exchange to ensure only | |
| 5172 // one thread can call this method at a time | |
| 5173 | |
| 5174 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5175 // the add/dec implementations are dependent on whether we are running | |
| 5176 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5177 // function used to determine this will always return false. Atomic::xchg | |
| 5178 // does not have this problem. | |
| 5179 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5180 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5181 } |
| 5182 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5183 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5184 } | |
| 5185 | |
| 5186 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5187 | |
| 5188 /** | |
| 5189 * Certain errors during initialization are recoverable and do not | |
| 5190 * prevent this method from being called again at a later time | |
| 5191 * (perhaps with different arguments). However, at a certain | |
| 5192 * point during initialization if an error occurs we cannot allow | |
| 5193 * this function to be called again (or it will crash). In those | |
| 5194 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5195 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5196 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5197 */ | |
| 5198 bool can_try_again = true; | |
| 5199 | |
| 5200 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5201 if (result == JNI_OK) { | |
| 5202 JavaThread *thread = JavaThread::current(); | |
| 5203 /* thread is thread_in_vm here */ | |
| 5204 *vm = (JavaVM *)(&main_vm); | |
| 5205 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5206 | |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
20804
diff
changeset
|
5207 #ifdef COMPILERJVMCI |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
20804
diff
changeset
|
5208 // JVMCI is initialized on a CompilerThread |
|
22449
cfd7ebda543b
run JVMCI bootstrap iff BootstrapJVMCI is true
Doug Simon <doug.simon@oracle.com>
parents:
22298
diff
changeset
|
5209 if (BootstrapJVMCI) { |
|
22650
939d5da65929
reduced delta against jvmci-9
Doug Simon <doug.simon@oracle.com>
parents:
22463
diff
changeset
|
5210 JavaThread* THREAD = thread; |
|
939d5da65929
reduced delta against jvmci-9
Doug Simon <doug.simon@oracle.com>
parents:
22463
diff
changeset
|
5211 JVMCICompiler* compiler = JVMCICompiler::instance(CATCH); |
|
939d5da65929
reduced delta against jvmci-9
Doug Simon <doug.simon@oracle.com>
parents:
22463
diff
changeset
|
5212 compiler->bootstrap(); |
|
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
5213 } |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5214 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5215 |
| 0 | 5216 // Tracks the time application was running before GC |
| 5217 RuntimeService::record_application_start(); | |
| 5218 | |
| 5219 // Notify JVMTI | |
| 5220 if (JvmtiExport::should_post_thread_life()) { | |
| 5221 JvmtiExport::post_thread_start(thread); | |
| 5222 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5223 |
| 10405 | 5224 EventThreadStart event; |
| 5225 if (event.should_commit()) { | |
| 5226 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5227 event.commit(); | |
| 5228 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5229 |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5230 #ifndef PRODUCT |
|
17829
0118c8c7b80f
8038633: crash in VM_Version::get_processor_features() on startup
kvn
parents:
17753
diff
changeset
|
5231 #ifndef CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5232 #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
|
5233 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5234 |
| 0 | 5235 // 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
|
5236 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
|
5237 if (ReplayCompiles) ciReplay::replay(thread); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5238 |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5239 // 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
|
5240 // 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
|
5241 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
|
5242 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
|
5243 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5244 |
| 0 | 5245 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5246 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5247 } else { | |
| 5248 if (can_try_again) { | |
| 5249 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5250 safe_to_recreate_vm = 1; | |
| 5251 } | |
| 5252 | |
| 5253 // Creation failed. We must reset vm_created | |
| 5254 *vm = 0; | |
| 5255 *(JNIEnv**)penv = 0; | |
| 5256 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5257 // control both compiler and architectural-based reordering. | |
| 5258 OrderAccess::release_store(&vm_created, 0); | |
| 5259 } | |
| 5260 | |
| 5261 return result; | |
| 5262 } | |
| 5263 | |
| 4006 | 5264 #ifndef USDT2 |
| 0 | 5265 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5266 JavaVM**, jsize, jsize*); | |
| 5267 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5268 #endif /* !USDT2 */ |
| 0 | 5269 |
| 5270 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5271 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5272 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5273 #ifndef USDT2 |
| 0 | 5274 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5275 vm_buf, bufLen, numVMs); | |
| 4006 | 5276 #else /* USDT2 */ |
| 5277 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5278 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5279 #endif /* USDT2 */ | |
| 0 | 5280 if (vm_created) { |
| 5281 if (numVMs != NULL) *numVMs = 1; | |
| 5282 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5283 } else { | |
| 5284 if (numVMs != NULL) *numVMs = 0; | |
| 5285 } | |
| 4006 | 5286 #ifndef USDT2 |
| 0 | 5287 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5288 #else /* USDT2 */ |
| 5289 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5290 JNI_OK); | |
| 5291 #endif /* USDT2 */ | |
| 0 | 5292 return JNI_OK; |
| 5293 } | |
| 5294 | |
| 5295 extern "C" { | |
| 5296 | |
| 4006 | 5297 #ifndef USDT2 |
| 0 | 5298 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5299 #else /* USDT2 */ |
| 5300 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5301 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5302 #endif /* USDT2 */ | |
| 0 | 5303 |
| 5304 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5305 #ifndef USDT2 |
| 0 | 5306 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5307 #else /* USDT2 */ |
| 5308 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5309 vm); | |
| 5310 #endif /* USDT2 */ | |
| 0 | 5311 jint res = JNI_ERR; |
| 5312 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5313 | |
| 5314 if (!vm_created) { | |
| 5315 res = JNI_ERR; | |
| 5316 return res; | |
| 5317 } | |
| 5318 | |
| 5319 JNIWrapper("DestroyJavaVM"); | |
| 5320 JNIEnv *env; | |
| 5321 JavaVMAttachArgs destroyargs; | |
| 5322 destroyargs.version = CurrentVersion; | |
| 5323 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5324 destroyargs.group = NULL; | |
| 5325 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5326 if (res != JNI_OK) { | |
| 5327 return res; | |
| 5328 } | |
| 5329 | |
| 5330 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5331 JavaThread* thread = JavaThread::current(); | |
| 5332 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5333 if (Threads::destroy_vm()) { | |
| 5334 // Should not change thread state, VM is gone | |
| 5335 vm_created = false; | |
| 5336 res = JNI_OK; | |
| 5337 return res; | |
| 5338 } else { | |
| 5339 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5340 res = JNI_ERR; | |
| 5341 return res; | |
| 5342 } | |
| 5343 } | |
| 5344 | |
| 5345 | |
| 5346 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5347 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5348 | |
| 5349 // Check below commented out from JDK1.2fcs as well | |
| 5350 /* | |
| 5351 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5352 return JNI_EVERSION; | |
| 5353 } | |
| 5354 */ | |
| 5355 | |
| 5356 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5357 if (t != NULL) { | |
| 5358 // If the thread has been attached this operation is a no-op | |
| 5359 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5360 return JNI_OK; | |
| 5361 } | |
| 5362 | |
| 5363 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5364 // ThreadsListEnumerator - see CR 6404306 | |
| 5365 JavaThread* thread = new JavaThread(true); | |
| 5366 | |
| 5367 // Set correct safepoint info. The thread is going to call into Java when | |
| 5368 // initializing the Java level thread object. Hence, the correct state must | |
| 5369 // be set in order for the Safepoint code to deal with it correctly. | |
| 5370 thread->set_thread_state(_thread_in_vm); | |
| 5371 // Must do this before initialize_thread_local_storage | |
| 5372 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
|
5373 |
| 0 | 5374 thread->initialize_thread_local_storage(); |
| 5375 | |
| 5376 if (!os::create_attached_thread(thread)) { | |
| 5377 delete thread; | |
| 5378 return JNI_ERR; | |
| 5379 } | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5380 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5381 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5382 |
| 0 | 5383 thread->initialize_tlab(); |
| 5384 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5385 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5386 |
| 0 | 5387 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5388 // not been added to the Thread list yet. | |
| 5389 { Threads_lock->lock_without_safepoint_check(); | |
| 5390 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5391 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5392 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5393 Threads::add(thread, daemon); | |
| 5394 Threads_lock->unlock(); | |
| 5395 } | |
| 5396 // Create thread group and name info from attach arguments | |
| 5397 oop group = NULL; | |
| 5398 char* thread_name = NULL; | |
| 5399 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5400 group = JNIHandles::resolve(args->group); | |
| 5401 thread_name = args->name; // may be NULL | |
| 5402 } | |
| 5403 if (group == NULL) group = Universe::main_thread_group(); | |
| 5404 | |
| 5405 // Create Java level thread object and attach it to this thread | |
| 5406 bool attach_failed = false; | |
| 5407 { | |
| 5408 EXCEPTION_MARK; | |
| 5409 HandleMark hm(THREAD); | |
| 5410 Handle thread_group(THREAD, group); | |
| 5411 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5412 if (HAS_PENDING_EXCEPTION) { | |
| 5413 CLEAR_PENDING_EXCEPTION; | |
| 5414 // cleanup outside the handle mark. | |
| 5415 attach_failed = true; | |
| 5416 } | |
| 5417 } | |
| 5418 | |
| 5419 if (attach_failed) { | |
| 5420 // Added missing cleanup | |
| 5421 thread->cleanup_failed_attach_current_thread(); | |
| 5422 return JNI_ERR; | |
| 5423 } | |
| 5424 | |
| 5425 // mark the thread as no longer attaching | |
| 5426 // this uses a fence to push the change through so we don't have | |
| 5427 // to regrab the threads_lock | |
| 4006 | 5428 thread->set_done_attaching_via_jni(); |
| 0 | 5429 |
| 5430 // Set java thread status. | |
| 5431 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5432 java_lang_Thread::RUNNABLE); | |
| 5433 | |
| 5434 // Notify the debugger | |
| 5435 if (JvmtiExport::should_post_thread_life()) { | |
| 5436 JvmtiExport::post_thread_start(thread); | |
| 5437 } | |
| 5438 | |
| 10405 | 5439 EventThreadStart event; |
| 5440 if (event.should_commit()) { | |
| 5441 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5442 event.commit(); | |
| 5443 } | |
|
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diff
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|
5444 |
| 0 | 5445 *(JNIEnv**)penv = thread->jni_environment(); |
| 5446 | |
| 5447 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5448 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5449 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5450 // needed. | |
| 5451 | |
| 5452 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5453 | |
| 5454 // Perform any platform dependent FPU setup | |
| 5455 os::setup_fpu(); | |
| 5456 | |
| 5457 return JNI_OK; | |
| 5458 } | |
| 5459 | |
| 5460 | |
| 5461 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5462 #ifndef USDT2 |
| 0 | 5463 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5464 #else /* USDT2 */ |
| 5465 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5466 vm, penv, _args); | |
| 5467 #endif /* USDT2 */ | |
| 0 | 5468 if (!vm_created) { |
| 4006 | 5469 #ifndef USDT2 |
| 0 | 5470 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5471 #else /* USDT2 */ |
| 5472 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5473 (uint32_t) JNI_ERR); | |
| 5474 #endif /* USDT2 */ | |
| 0 | 5475 return JNI_ERR; |
| 5476 } | |
| 5477 | |
| 5478 JNIWrapper("AttachCurrentThread"); | |
| 5479 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5480 #ifndef USDT2 |
| 0 | 5481 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5482 #else /* USDT2 */ |
| 5483 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5484 ret); | |
| 5485 #endif /* USDT2 */ | |
| 0 | 5486 return ret; |
| 5487 } | |
| 5488 | |
| 5489 | |
| 5490 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5491 #ifndef USDT2 |
| 0 | 5492 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5493 #else /* USDT2 */ |
| 5494 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5495 vm); | |
| 5496 #endif /* USDT2 */ | |
| 0 | 5497 VM_Exit::block_if_vm_exited(); |
| 5498 | |
| 5499 JNIWrapper("DetachCurrentThread"); | |
| 5500 | |
| 5501 // If the thread has been deattacted the operations is a no-op | |
| 5502 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5503 #ifndef USDT2 |
| 0 | 5504 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5505 #else /* USDT2 */ |
| 5506 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5507 JNI_OK); | |
| 5508 #endif /* USDT2 */ | |
| 0 | 5509 return JNI_OK; |
| 5510 } | |
| 5511 | |
| 5512 JavaThread* thread = JavaThread::current(); | |
| 5513 if (thread->has_last_Java_frame()) { | |
| 4006 | 5514 #ifndef USDT2 |
| 0 | 5515 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5516 #else /* USDT2 */ |
| 5517 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5518 (uint32_t) JNI_ERR); | |
| 5519 #endif /* USDT2 */ | |
| 0 | 5520 // Can't detach a thread that's running java, that can't work. |
| 5521 return JNI_ERR; | |
| 5522 } | |
| 5523 | |
| 5524 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5525 // middel of a safepoint operation | |
| 5526 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5527 | |
| 5528 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5529 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5530 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5531 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5532 // the removal of the guards is buried below in JavaThread::exit() | |
| 5533 // here. The abstraction should be more symmetrically either exposed | |
| 5534 // or hidden (e.g. it could probably be hidden in the same | |
| 5535 // (platform-dependent) methods where we do alternate stack | |
| 5536 // maintenance work?) | |
| 5537 thread->exit(false, JavaThread::jni_detach); | |
| 5538 delete thread; | |
| 5539 | |
| 4006 | 5540 #ifndef USDT2 |
| 0 | 5541 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5542 #else /* USDT2 */ |
| 5543 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5544 JNI_OK); | |
| 5545 #endif /* USDT2 */ | |
| 0 | 5546 return JNI_OK; |
| 5547 } | |
| 5548 | |
| 4006 | 5549 #ifndef USDT2 |
| 0 | 5550 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5551 #else /* USDT2 */ |
| 5552 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5553 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5554 #endif /* USDT2 */ | |
| 0 | 5555 |
| 5556 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5557 #ifndef USDT2 |
| 0 | 5558 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5559 #else /* USDT2 */ |
| 5560 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5561 vm, penv, version); | |
| 5562 #endif /* USDT2 */ | |
| 0 | 5563 jint ret = JNI_ERR; |
| 5564 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5565 | |
| 5566 if (!vm_created) { | |
| 5567 *penv = NULL; | |
| 5568 ret = JNI_EDETACHED; | |
| 5569 return ret; | |
| 5570 } | |
| 5571 | |
|
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|
5572 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5573 return ret; |
| 5574 } | |
| 5575 | |
| 5576 #ifndef JVMPI_VERSION_1 | |
| 5577 // need these in order to be polite about older agents | |
| 5578 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5579 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5580 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5581 #endif // !JVMPI_VERSION_1 | |
| 5582 | |
| 5583 Thread* thread = ThreadLocalStorage::thread(); | |
| 5584 if (thread != NULL && thread->is_Java_thread()) { | |
| 5585 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5586 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5587 ret = JNI_OK; | |
| 5588 return ret; | |
| 5589 | |
| 5590 } else if (version == JVMPI_VERSION_1 || | |
| 5591 version == JVMPI_VERSION_1_1 || | |
| 5592 version == JVMPI_VERSION_1_2) { | |
| 5593 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5594 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5595 ret = JNI_EVERSION; | |
| 5596 return ret; | |
| 5597 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5598 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5599 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5600 ret = JNI_EVERSION; | |
| 5601 return ret; | |
| 5602 } else { | |
| 5603 *penv = NULL; | |
| 5604 ret = JNI_EVERSION; | |
| 5605 return ret; | |
| 5606 } | |
| 5607 } else { | |
| 5608 *penv = NULL; | |
| 5609 ret = JNI_EDETACHED; | |
| 5610 return ret; | |
| 5611 } | |
| 5612 } | |
| 5613 | |
| 5614 | |
| 5615 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5616 #ifndef USDT2 |
| 0 | 5617 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5618 #else /* USDT2 */ |
| 5619 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5620 vm, penv, _args); | |
| 5621 #endif /* USDT2 */ | |
| 0 | 5622 if (!vm_created) { |
| 4006 | 5623 #ifndef USDT2 |
| 0 | 5624 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5625 #else /* USDT2 */ |
| 5626 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5627 (uint32_t) JNI_ERR); | |
| 5628 #endif /* USDT2 */ | |
| 0 | 5629 return JNI_ERR; |
| 5630 } | |
| 5631 | |
| 5632 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5633 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5634 #ifndef USDT2 |
| 0 | 5635 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5636 #else /* USDT2 */ |
| 5637 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5638 ret); | |
| 5639 #endif /* USDT2 */ | |
| 0 | 5640 return ret; |
| 5641 } | |
| 5642 | |
| 5643 | |
| 5644 } // End extern "C" | |
| 5645 | |
| 5646 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5647 NULL, | |
| 5648 NULL, | |
| 5649 NULL, | |
| 5650 | |
| 5651 jni_DestroyJavaVM, | |
| 5652 jni_AttachCurrentThread, | |
| 5653 jni_DetachCurrentThread, | |
| 5654 jni_GetEnv, | |
| 5655 jni_AttachCurrentThreadAsDaemon | |
| 5656 }; |