Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 13086:096c224171c4
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Wed, 20 Nov 2013 00:10:38 +0100 |
| parents | 359f7e70ae7f 1d1ea10fe09f |
| children | b00553202ec2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
| 0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 0 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
| 6162 | 28 #include "classfile/altHashing.hpp" |
| 1972 | 29 #include "classfile/classLoader.hpp" |
| 30 #include "classfile/javaClasses.hpp" | |
| 31 #include "classfile/symbolTable.hpp" | |
| 32 #include "classfile/systemDictionary.hpp" | |
| 33 #include "classfile/vmSymbols.hpp" | |
| 34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #ifdef GRAAL |
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37 #include "graal/graalCompiler.hpp" |
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38 #endif |
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39 #if INCLUDE_ALL_GCS |
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40 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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41 #endif // INCLUDE_ALL_GCS |
| 6197 | 42 #include "memory/allocation.hpp" |
| 1972 | 43 #include "memory/allocation.inline.hpp" |
| 44 #include "memory/gcLocker.inline.hpp" | |
| 45 #include "memory/oopFactory.hpp" | |
| 46 #include "memory/universe.inline.hpp" | |
| 47 #include "oops/instanceKlass.hpp" | |
| 48 #include "oops/instanceOop.hpp" | |
| 49 #include "oops/markOop.hpp" | |
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50 #include "oops/method.hpp" |
| 1972 | 51 #include "oops/objArrayKlass.hpp" |
| 52 #include "oops/objArrayOop.hpp" | |
| 53 #include "oops/oop.inline.hpp" | |
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54 #include "oops/symbol.hpp" |
| 1972 | 55 #include "oops/typeArrayKlass.hpp" |
| 56 #include "oops/typeArrayOop.hpp" | |
| 57 #include "prims/jni.h" | |
| 58 #include "prims/jniCheck.hpp" | |
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59 #include "prims/jniExport.hpp" |
| 1972 | 60 #include "prims/jniFastGetField.hpp" |
| 61 #include "prims/jvm.h" | |
| 62 #include "prims/jvm_misc.hpp" | |
| 63 #include "prims/jvmtiExport.hpp" | |
| 64 #include "prims/jvmtiThreadState.hpp" | |
| 65 #include "runtime/compilationPolicy.hpp" | |
| 66 #include "runtime/fieldDescriptor.hpp" | |
| 67 #include "runtime/fprofiler.hpp" | |
| 68 #include "runtime/handles.inline.hpp" | |
| 69 #include "runtime/interfaceSupport.hpp" | |
| 70 #include "runtime/java.hpp" | |
| 71 #include "runtime/javaCalls.hpp" | |
| 72 #include "runtime/jfieldIDWorkaround.hpp" | |
| 73 #include "runtime/reflection.hpp" | |
| 74 #include "runtime/sharedRuntime.hpp" | |
| 75 #include "runtime/signature.hpp" | |
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76 #include "runtime/thread.inline.hpp" |
| 1972 | 77 #include "runtime/vm_operations.hpp" |
| 78 #include "services/runtimeService.hpp" | |
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79 #include "trace/tracing.hpp" |
| 1972 | 80 #include "utilities/defaultStream.hpp" |
| 81 #include "utilities/dtrace.hpp" | |
| 82 #include "utilities/events.hpp" | |
| 83 #include "utilities/histogram.hpp" | |
| 84 #ifdef TARGET_OS_FAMILY_linux | |
| 85 # include "os_linux.inline.hpp" | |
| 86 #endif | |
| 87 #ifdef TARGET_OS_FAMILY_solaris | |
| 88 # include "os_solaris.inline.hpp" | |
| 89 #endif | |
| 90 #ifdef TARGET_OS_FAMILY_windows | |
| 91 # include "os_windows.inline.hpp" | |
| 92 #endif | |
| 3960 | 93 #ifdef TARGET_OS_FAMILY_bsd |
| 94 # include "os_bsd.inline.hpp" | |
| 95 #endif | |
| 0 | 96 |
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97 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 98 |
| 99 | |
| 100 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 101 // '-return' probe regardless of the return path is taken out of the function. | |
| 102 // Methods that have multiple return paths use this to avoid having to | |
| 103 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 104 // since those macros can cause an immedate uninstrumented return. | |
| 105 // | |
| 106 // In order to get the return value, a reference to the variable containing | |
| 107 // the return value must be passed to the contructor of the object, and | |
| 108 // the return value must be set before return (since the mark object has | |
| 109 // a reference to it). | |
| 110 // | |
| 111 // Example: | |
| 112 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 113 // JNI_ENTRY(int, SomeFunc, ...) | |
| 114 // int return_value = 0; | |
| 115 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 116 // foo(CHECK_0) | |
| 117 // return_value = 5; | |
| 118 // return return_value; | |
| 119 // JNI_END | |
| 4006 | 120 #ifndef USDT2 |
| 0 | 121 #define DT_RETURN_MARK_DECL(name, type) \ |
| 122 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 123 DTRACE_ONLY( \ | |
| 124 class DTraceReturnProbeMark_##name { \ | |
| 125 public: \ | |
| 126 const type& _ret_ref; \ | |
| 127 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 128 ~DTraceReturnProbeMark_##name() { \ | |
| 129 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 130 } \ | |
| 131 } \ | |
| 132 ) | |
| 133 // Void functions are simpler since there's no return value | |
| 134 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 135 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 136 DTRACE_ONLY( \ | |
| 137 class DTraceReturnProbeMark_##name { \ | |
| 138 public: \ | |
| 139 ~DTraceReturnProbeMark_##name() { \ | |
| 140 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 141 } \ | |
| 142 } \ | |
| 143 ) | |
| 144 | |
| 4006 | 145 #else /* USDT2 */ |
| 146 | |
| 147 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 148 DTRACE_ONLY( \ | |
| 149 class DTraceReturnProbeMark_##name { \ | |
| 150 public: \ | |
| 151 const type& _ret_ref; \ | |
| 152 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 153 ~DTraceReturnProbeMark_##name() { \ | |
| 154 probe; \ | |
| 155 } \ | |
| 156 } \ | |
| 157 ) | |
| 158 // Void functions are simpler since there's no return value | |
| 159 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 160 DTRACE_ONLY( \ | |
| 161 class DTraceReturnProbeMark_##name { \ | |
| 162 public: \ | |
| 163 ~DTraceReturnProbeMark_##name() { \ | |
| 164 probe; \ | |
| 165 } \ | |
| 166 } \ | |
| 167 ) | |
| 168 #endif /* USDT2 */ | |
| 0 | 169 |
| 170 // Place these macros in the function to mark the return. Non-void | |
| 171 // functions need the type and address of the return value. | |
| 172 #define DT_RETURN_MARK(name, type, ref) \ | |
| 173 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 174 #define DT_VOID_RETURN_MARK(name) \ | |
| 175 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 176 | |
| 177 | |
| 178 // Use these to select distinct code for floating-point vs. non-floating point | |
| 179 // situations. Used from within common macros where we need slightly | |
| 180 // different behavior for Float/Double | |
| 181 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 182 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 183 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 189 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 190 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 191 FP_SELECT_##TypeName(intcode, fpcode) | |
| 192 | |
| 193 #define COMMA , | |
| 194 | |
| 195 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 196 // (dtrace doesn't do FP yet) | |
| 4006 | 197 #ifndef USDT2 |
| 0 | 198 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 199 FP_SELECT(TypeName, \ | |
| 200 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 201 #else /* USDT2 */ |
| 202 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 203 FP_SELECT(TypeName, \ | |
| 204 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 205 #endif /* USDT2 */ | |
| 0 | 206 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 207 FP_SELECT(TypeName, \ | |
| 208 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 209 | |
| 210 | |
| 211 // out-of-line helpers for class jfieldIDWorkaround: | |
| 212 | |
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213 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 214 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 215 uintptr_t as_uint = (uintptr_t) id; | |
| 216 intptr_t offset = raw_instance_offset(id); | |
| 217 if (is_checked_jfieldID(id)) { | |
| 218 if (!klass_hash_ok(k, id)) { | |
| 219 return false; | |
| 220 } | |
| 221 } | |
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222 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 223 } else { |
| 224 JNIid* result = (JNIid*) id; | |
| 225 #ifdef ASSERT | |
| 226 return result != NULL && result->is_static_field_id(); | |
| 227 #else | |
| 228 return result != NULL; | |
| 229 #endif | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 | |
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234 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 235 if (offset <= small_offset_mask) { |
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236 Klass* field_klass = k; |
| 6983 | 237 Klass* super_klass = field_klass->super(); |
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238 // With compressed oops the most super class with nonstatic fields would |
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239 // be the owner of fields embedded in the header. |
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240 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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241 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 242 field_klass = super_klass; // super contains the field also |
| 6983 | 243 super_klass = field_klass->super(); |
| 0 | 244 } |
| 245 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 246 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 247 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 248 } else { | |
| 249 #if 0 | |
| 250 #ifndef PRODUCT | |
| 251 { | |
| 252 ResourceMark rm; | |
| 6983 | 253 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 254 } |
| 255 #endif | |
| 256 #endif | |
| 257 return 0; | |
| 258 } | |
| 259 } | |
| 260 | |
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261 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 262 uintptr_t as_uint = (uintptr_t) id; |
| 263 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 264 do { | |
| 265 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 266 // Could use a non-blocking query for identity_hash here... | |
| 267 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 268 return true; | |
| 6983 | 269 k = k->super(); |
| 0 | 270 } while (k != NULL); |
| 271 return false; | |
| 272 } | |
| 273 | |
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274 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 275 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 276 uintptr_t as_uint = (uintptr_t) id; | |
| 277 intptr_t offset = raw_instance_offset(id); | |
| 278 if (VerifyJNIFields) { | |
| 279 if (is_checked_jfieldID(id)) { | |
| 280 guarantee(klass_hash_ok(k, id), | |
| 281 "Bug in native code: jfieldID class must match object"); | |
| 282 } else { | |
| 283 #if 0 | |
| 284 #ifndef PRODUCT | |
| 285 if (Verbose) { | |
| 286 ResourceMark rm; | |
| 6983 | 287 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 288 } |
| 289 #endif | |
| 290 #endif | |
| 291 } | |
| 292 } | |
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293 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 294 "Bug in native code: jfieldID offset must address interior of object"); |
| 295 } | |
| 296 | |
| 297 // Pick a reasonable higher bound for local capacity requested | |
| 298 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 299 // high because a test (or very unusual application) may try to allocate | |
| 300 // that many handles and run out of swap space. An implementation is | |
| 301 // permitted to allocate more handles than the ensured capacity, so this | |
| 302 // value is set high enough to prevent compatibility problems. | |
| 303 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 304 | |
| 305 | |
| 306 // Wrapper to trace JNI functions | |
| 307 | |
| 308 #ifdef ASSERT | |
| 309 Histogram* JNIHistogram; | |
| 310 static volatile jint JNIHistogram_lock = 0; | |
| 311 | |
| 312 class JNITraceWrapper : public StackObj { | |
| 313 public: | |
| 314 JNITraceWrapper(const char* format, ...) { | |
| 315 if (TraceJNICalls) { | |
| 316 va_list ap; | |
| 317 va_start(ap, format); | |
| 318 tty->print("JNI "); | |
| 319 tty->vprint_cr(format, ap); | |
| 320 va_end(ap); | |
| 321 } | |
| 322 } | |
| 323 }; | |
| 324 | |
| 325 class JNIHistogramElement : public HistogramElement { | |
| 326 public: | |
| 327 JNIHistogramElement(const char* name); | |
| 328 }; | |
| 329 | |
| 330 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 331 _name = elementName; | |
| 332 uintx count = 0; | |
| 333 | |
| 334 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 335 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 336 count +=1; | |
| 337 if ( (WarnOnStalledSpinLock > 0) | |
| 338 && (count % WarnOnStalledSpinLock == 0)) { | |
| 339 warning("JNIHistogram_lock seems to be stalled"); | |
| 340 } | |
| 341 } | |
| 342 } | |
| 343 | |
| 344 | |
| 345 if(JNIHistogram == NULL) | |
| 346 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 347 | |
| 348 JNIHistogram->add_element(this); | |
| 349 Atomic::dec(&JNIHistogram_lock); | |
| 350 } | |
| 351 | |
| 352 #define JNICountWrapper(arg) \ | |
| 353 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 354 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 355 if (e != NULL) e->increment_count() | |
| 356 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 357 #else | |
| 358 #define JNIWrapper(arg) | |
| 359 #endif | |
| 360 | |
| 361 | |
| 362 // Implementation of JNI entries | |
| 363 | |
| 4006 | 364 #ifndef USDT2 |
| 0 | 365 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 366 #else /* USDT2 */ |
| 367 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 368 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 369 #endif /* USDT2 */ | |
| 0 | 370 |
| 371 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 372 const jbyte *buf, jsize bufLen)) | |
| 373 JNIWrapper("DefineClass"); | |
| 374 | |
| 4006 | 375 #ifndef USDT2 |
| 0 | 376 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 377 env, name, loaderRef, buf, bufLen); | |
| 4006 | 378 #else /* USDT2 */ |
| 379 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 380 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 381 #endif /* USDT2 */ | |
| 0 | 382 jclass cls = NULL; |
| 383 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 384 | |
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385 TempNewSymbol class_name = NULL; |
| 0 | 386 // Since exceptions can be thrown, class initialization can take place |
| 387 // if name is NULL no check for class name in .class stream has to be made. | |
| 388 if (name != NULL) { | |
| 389 const int str_len = (int)strlen(name); | |
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390 if (str_len > Symbol::max_length()) { |
| 0 | 391 // It's impossible to create this class; the name cannot fit |
| 392 // into the constant pool. | |
| 393 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 394 } | |
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395 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 396 } |
| 397 ResourceMark rm(THREAD); | |
| 398 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 399 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 400 | |
| 401 if (UsePerfData && !class_loader.is_null()) { | |
| 402 // check whether the current caller thread holds the lock or not. | |
| 403 // If not, increment the corresponding counter | |
| 404 if (ObjectSynchronizer:: | |
| 405 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 406 ObjectSynchronizer::owner_self) { | |
| 407 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 408 } | |
| 409 } | |
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410 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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411 Handle(), &st, true, |
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412 CHECK_NULL); |
| 0 | 413 |
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414 if (TraceClassResolution && k != NULL) { |
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415 trace_class_resolution(k); |
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416 } |
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417 |
| 0 | 418 cls = (jclass)JNIHandles::make_local( |
| 6983 | 419 env, k->java_mirror()); |
| 0 | 420 return cls; |
| 421 JNI_END | |
| 422 | |
| 423 | |
| 424 | |
| 425 static bool first_time_FindClass = true; | |
| 426 | |
| 4006 | 427 #ifndef USDT2 |
| 0 | 428 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 429 #else /* USDT2 */ |
| 430 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 431 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 432 #endif /* USDT2 */ | |
| 0 | 433 |
| 434 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 435 JNIWrapper("FindClass"); | |
| 4006 | 436 #ifndef USDT2 |
| 0 | 437 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 438 #else /* USDT2 */ |
| 439 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 440 env, (char *)name); | |
| 441 #endif /* USDT2 */ | |
| 0 | 442 |
| 443 jclass result = NULL; | |
| 444 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 445 | |
| 446 // Remember if we are the first invocation of jni_FindClass | |
| 447 bool first_time = first_time_FindClass; | |
| 448 first_time_FindClass = false; | |
| 449 | |
| 450 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 451 // name we can fit in the constant pool. | |
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452 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 453 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 454 } | |
| 455 | |
| 456 //%note jni_3 | |
| 457 Handle loader; | |
| 458 Handle protection_domain; | |
| 459 // Find calling class | |
| 460 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 461 if (k.not_null()) { | |
| 462 loader = Handle(THREAD, k->class_loader()); | |
| 463 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 464 // in the correct class context. | |
| 465 if (loader.is_null() && | |
| 466 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 467 JavaValue result(T_OBJECT); | |
| 468 JavaCalls::call_static(&result, k, | |
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469 vmSymbols::getFromClass_name(), |
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470 vmSymbols::void_class_signature(), |
| 0 | 471 thread); |
| 472 if (HAS_PENDING_EXCEPTION) { | |
| 473 Handle ex(thread, thread->pending_exception()); | |
| 474 CLEAR_PENDING_EXCEPTION; | |
| 475 THROW_HANDLE_0(ex); | |
| 476 } | |
| 477 oop mirror = (oop) result.get_jobject(); | |
| 478 loader = Handle(THREAD, | |
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479 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 480 protection_domain = Handle(THREAD, |
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481 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 482 } |
| 483 } else { | |
| 484 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 485 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 486 } | |
| 487 | |
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488 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 489 result = find_class_from_class_loader(env, sym, true, loader, |
| 490 protection_domain, true, thread); | |
| 491 | |
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492 if (TraceClassResolution && result != NULL) { |
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493 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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494 } |
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495 |
| 0 | 496 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 497 // rather than just allowing invocation counter to overflow and decay. | |
| 498 // Controlled by flag DelayCompilationDuringStartup. | |
| 499 if (first_time && !CompileTheWorld) | |
| 500 CompilationPolicy::completed_vm_startup(); | |
| 501 | |
| 502 return result; | |
| 503 JNI_END | |
| 504 | |
| 4006 | 505 #ifndef USDT2 |
| 0 | 506 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 507 #else /* USDT2 */ |
| 508 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 509 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 510 #endif /* USDT2 */ | |
| 0 | 511 |
| 512 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 513 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 514 #ifndef USDT2 |
| 0 | 515 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 516 #else /* USDT2 */ |
| 517 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 518 env, method); | |
| 519 #endif /* USDT2 */ | |
| 0 | 520 jmethodID ret = NULL; |
| 521 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 522 | |
| 523 // method is a handle to a java.lang.reflect.Method object | |
| 524 oop reflected = JNIHandles::resolve_non_null(method); | |
| 525 oop mirror = NULL; | |
| 526 int slot = 0; | |
| 527 | |
| 1142 | 528 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 529 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 530 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 531 } else { | |
| 1142 | 532 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 533 mirror = java_lang_reflect_Method::clazz(reflected); |
| 534 slot = java_lang_reflect_Method::slot(reflected); | |
| 535 } | |
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536 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 537 |
| 538 KlassHandle k1(THREAD, k); | |
| 539 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 540 k1()->initialize(CHECK_NULL); |
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541 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 542 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 543 return ret; | |
| 544 JNI_END | |
| 545 | |
| 4006 | 546 #ifndef USDT2 |
| 0 | 547 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 548 #else /* USDT2 */ |
| 549 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 550 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 551 #endif /* USDT2 */ | |
| 0 | 552 |
| 553 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 554 JNIWrapper("FromReflectedField"); | |
| 4006 | 555 #ifndef USDT2 |
| 0 | 556 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 557 #else /* USDT2 */ |
| 558 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 559 env, field); | |
| 560 #endif /* USDT2 */ | |
| 0 | 561 jfieldID ret = NULL; |
| 562 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 563 | |
| 564 // field is a handle to a java.lang.reflect.Field object | |
| 565 oop reflected = JNIHandles::resolve_non_null(field); | |
| 566 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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567 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 568 int slot = java_lang_reflect_Field::slot(reflected); |
| 569 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 570 | |
| 571 KlassHandle k1(THREAD, k); | |
| 572 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 573 k1()->initialize(CHECK_NULL); |
| 0 | 574 |
| 575 // First check if this is a static field | |
| 576 if (modifiers & JVM_ACC_STATIC) { | |
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577 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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578 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 579 assert(id != NULL, "corrupt Field object"); |
| 580 debug_only(id->set_is_static_field_id();) | |
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581 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 582 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 583 return ret; | |
| 584 } | |
| 585 | |
| 586 // The slot is the index of the field description in the field-array | |
| 587 // The jfieldID is the offset of the field within the object | |
| 588 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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589 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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590 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 591 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 592 return ret; | |
| 593 JNI_END | |
| 594 | |
| 4006 | 595 #ifndef USDT2 |
| 0 | 596 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 597 #else /* USDT2 */ |
| 598 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 599 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 600 #endif /* USDT2 */ | |
| 0 | 601 |
| 602 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 603 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 604 #ifndef USDT2 |
| 0 | 605 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 606 #else /* USDT2 */ |
| 607 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 608 env, cls, (uintptr_t) method_id, isStatic); | |
| 609 #endif /* USDT2 */ | |
| 0 | 610 jobject ret = NULL; |
| 611 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 612 | |
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613 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 614 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 615 oop reflection_method; | |
| 616 if (m->is_initializer()) { | |
| 617 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 618 } else { | |
| 619 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 620 } | |
| 621 ret = JNIHandles::make_local(env, reflection_method); | |
| 622 return ret; | |
| 623 JNI_END | |
| 624 | |
| 4006 | 625 #ifndef USDT2 |
| 0 | 626 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 627 #else /* USDT2 */ |
| 628 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 629 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 630 #endif /* USDT2 */ | |
| 0 | 631 |
| 632 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 633 JNIWrapper("GetSuperclass"); | |
| 4006 | 634 #ifndef USDT2 |
| 0 | 635 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 636 #else /* USDT2 */ |
| 637 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 638 env, sub); | |
| 639 #endif /* USDT2 */ | |
| 0 | 640 jclass obj = NULL; |
| 641 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 642 | |
| 643 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 644 // primitive classes return NULL | |
| 645 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 646 | |
| 647 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 648 // arrays return Object | |
| 649 // interfaces return NULL | |
| 650 // proper classes return Klass::super() | |
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651 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 652 if (k->is_interface()) return NULL; |
| 0 | 653 |
| 654 // return mirror for superclass | |
| 6983 | 655 Klass* super = k->java_super(); |
| 0 | 656 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 657 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 658 ? SystemDictionary::Object_klass() |
| 6983 | 659 : k->super() ) ); |
| 0 | 660 assert(super == super2, |
| 661 "java_super computation depends on interface, array, other super"); | |
| 6983 | 662 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 663 return obj; |
| 664 JNI_END | |
| 665 | |
| 666 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 667 JNIWrapper("IsSubclassOf"); | |
| 4006 | 668 #ifndef USDT2 |
| 0 | 669 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 670 #else /* USDT2 */ |
| 671 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 672 env, sub, super); | |
| 673 #endif /* USDT2 */ | |
| 0 | 674 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 675 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 676 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 677 java_lang_Class::is_primitive(super_mirror)) { | |
| 678 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 679 #ifndef USDT2 |
| 0 | 680 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 681 #else /* USDT2 */ |
| 682 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 683 ret); | |
| 684 #endif /* USDT2 */ | |
| 0 | 685 return ret; |
| 686 } | |
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687 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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688 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 689 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 690 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 691 JNI_TRUE : JNI_FALSE; |
| 4006 | 692 #ifndef USDT2 |
| 0 | 693 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 694 #else /* USDT2 */ |
| 695 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 696 ret); | |
| 697 #endif /* USDT2 */ | |
| 0 | 698 return ret; |
| 699 JNI_END | |
| 700 | |
| 4006 | 701 #ifndef USDT2 |
| 0 | 702 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 703 #else /* USDT2 */ |
| 704 DT_RETURN_MARK_DECL(Throw, jint | |
| 705 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 706 #endif /* USDT2 */ | |
| 0 | 707 |
| 708 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 709 JNIWrapper("Throw"); | |
| 4006 | 710 #ifndef USDT2 |
| 0 | 711 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 712 #else /* USDT2 */ |
| 713 HOTSPOT_JNI_THROW_ENTRY( | |
| 714 env, obj); | |
| 715 #endif /* USDT2 */ | |
| 0 | 716 jint ret = JNI_OK; |
| 717 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 718 | |
| 719 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 720 ShouldNotReachHere(); | |
| 721 JNI_END | |
| 722 | |
| 4006 | 723 #ifndef USDT2 |
| 0 | 724 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 725 #else /* USDT2 */ |
| 726 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 727 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 728 #endif /* USDT2 */ | |
| 0 | 729 |
| 730 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 731 JNIWrapper("ThrowNew"); | |
| 4006 | 732 #ifndef USDT2 |
| 0 | 733 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 734 #else /* USDT2 */ |
| 735 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 736 env, clazz, (char *) message); | |
| 737 #endif /* USDT2 */ | |
| 0 | 738 jint ret = JNI_OK; |
| 739 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 740 | |
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741 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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742 Symbol* name = k->name(); |
| 0 | 743 Handle class_loader (THREAD, k->class_loader()); |
| 744 Handle protection_domain (THREAD, k->protection_domain()); | |
| 745 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 746 ShouldNotReachHere(); | |
| 747 JNI_END | |
| 748 | |
| 749 | |
| 750 // JNI functions only transform a pending async exception to a synchronous | |
| 751 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 752 // delivering an async exception in other places won't change the native | |
| 753 // code's control flow and would be harmful when native code further calls | |
| 754 // JNI functions with a pending exception. Async exception is also checked | |
| 755 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 756 // false but deliver the async exception at the very end during | |
| 757 // state transition. | |
| 758 | |
| 759 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 760 assert(thread == Thread::current(), "must be itself"); | |
| 761 thread->check_and_handle_async_exceptions(); | |
| 762 } | |
| 763 | |
| 764 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 765 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 766 #ifndef USDT2 |
| 0 | 767 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 768 #else /* USDT2 */ |
| 769 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 770 env); | |
| 771 #endif /* USDT2 */ | |
| 0 | 772 jni_check_async_exceptions(thread); |
| 773 oop exception = thread->pending_exception(); | |
| 774 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 775 #ifndef USDT2 |
| 0 | 776 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 777 #else /* USDT2 */ |
| 778 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 779 ret); | |
| 780 #endif /* USDT2 */ | |
| 0 | 781 return ret; |
| 782 JNI_END | |
| 783 | |
| 784 | |
| 785 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 786 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 787 #ifndef USDT2 |
| 0 | 788 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 789 #else /* USDT2 */ |
| 790 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 791 env); | |
| 792 #endif /* USDT2 */ | |
| 0 | 793 if (thread->has_pending_exception()) { |
| 794 Handle ex(thread, thread->pending_exception()); | |
| 795 thread->clear_pending_exception(); | |
| 1142 | 796 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 797 // Don't print anything if we are being killed. |
| 798 } else { | |
| 799 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 800 if (thread != NULL && thread->threadObj() != NULL) { | |
| 801 ResourceMark rm(THREAD); | |
| 802 jio_fprintf(defaultStream::error_stream(), | |
| 803 "in thread \"%s\" ", thread->get_thread_name()); | |
| 804 } | |
| 1142 | 805 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 806 JavaValue result(T_VOID); |
| 807 JavaCalls::call_virtual(&result, | |
| 808 ex, | |
| 809 KlassHandle(THREAD, | |
| 1142 | 810 SystemDictionary::Throwable_klass()), |
|
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811 vmSymbols::printStackTrace_name(), |
|
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812 vmSymbols::void_method_signature(), |
| 0 | 813 THREAD); |
| 814 // If an exception is thrown in the call it gets thrown away. Not much | |
| 815 // we can do with it. The native code that calls this, does not check | |
| 816 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 817 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 818 // is expected. | |
| 819 CLEAR_PENDING_EXCEPTION; | |
| 820 } else { | |
| 821 ResourceMark rm(THREAD); | |
| 822 jio_fprintf(defaultStream::error_stream(), | |
| 823 ". Uncaught exception of type %s.", | |
| 6983 | 824 ex->klass()->external_name()); |
| 0 | 825 } |
| 826 } | |
| 827 } | |
| 4006 | 828 #ifndef USDT2 |
| 0 | 829 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 830 #else /* USDT2 */ |
| 831 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 832 ); | |
| 833 #endif /* USDT2 */ | |
| 0 | 834 JNI_END |
| 835 | |
| 836 | |
| 837 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 838 JNIWrapper("ExceptionClear"); | |
| 4006 | 839 #ifndef USDT2 |
| 0 | 840 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 841 #else /* USDT2 */ |
| 842 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 843 env); | |
| 844 #endif /* USDT2 */ | |
| 0 | 845 |
| 846 // The jni code might be using this API to clear java thrown exception. | |
| 847 // So just mark jvmti thread exception state as exception caught. | |
| 848 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 849 if (state != NULL && state->is_exception_detected()) { | |
| 850 state->set_exception_caught(); | |
| 851 } | |
| 852 thread->clear_pending_exception(); | |
| 4006 | 853 #ifndef USDT2 |
| 0 | 854 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 855 #else /* USDT2 */ |
| 856 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 857 ); | |
| 858 #endif /* USDT2 */ | |
| 0 | 859 JNI_END |
| 860 | |
| 861 | |
| 862 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 863 JNIWrapper("FatalError"); | |
| 4006 | 864 #ifndef USDT2 |
| 0 | 865 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 866 #else /* USDT2 */ |
| 867 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 868 env, (char *) msg); | |
| 869 #endif /* USDT2 */ | |
| 0 | 870 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 871 thread->print_stack(); | |
|
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872 os::abort(); // Dump core and abort |
| 0 | 873 JNI_END |
| 874 | |
| 875 | |
| 876 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 877 JNIWrapper("PushLocalFrame"); | |
| 4006 | 878 #ifndef USDT2 |
| 0 | 879 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 880 #else /* USDT2 */ |
| 881 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 882 env, capacity); | |
| 883 #endif /* USDT2 */ | |
| 0 | 884 //%note jni_11 |
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885 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
| 4006 | 886 #ifndef USDT2 |
| 0 | 887 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 888 #else /* USDT2 */ |
| 889 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 890 (uint32_t)JNI_ERR); | |
| 891 #endif /* USDT2 */ | |
| 0 | 892 return JNI_ERR; |
| 893 } | |
| 894 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 895 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 896 assert(new_handles != NULL, "should not be NULL"); | |
| 897 new_handles->set_pop_frame_link(old_handles); | |
| 898 thread->set_active_handles(new_handles); | |
| 899 jint ret = JNI_OK; | |
| 4006 | 900 #ifndef USDT2 |
| 0 | 901 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 902 #else /* USDT2 */ |
| 903 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 904 ret); | |
| 905 #endif /* USDT2 */ | |
| 0 | 906 return ret; |
| 907 JNI_END | |
| 908 | |
| 909 | |
| 910 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 911 JNIWrapper("PopLocalFrame"); | |
| 4006 | 912 #ifndef USDT2 |
| 0 | 913 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 914 #else /* USDT2 */ |
| 915 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 916 env, result); | |
| 917 #endif /* USDT2 */ | |
| 0 | 918 //%note jni_11 |
| 919 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 920 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 921 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 922 if (new_handles != NULL) { | |
| 923 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 924 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 925 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 926 // the release_block call will release the blocks. | |
| 927 thread->set_active_handles(new_handles); | |
| 928 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 929 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 930 result = JNIHandles::make_local(thread, result_handle()); | |
| 931 } | |
| 4006 | 932 #ifndef USDT2 |
| 0 | 933 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 934 #else /* USDT2 */ |
| 935 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 936 result); | |
| 937 #endif /* USDT2 */ | |
| 0 | 938 return result; |
| 939 JNI_END | |
| 940 | |
| 941 | |
| 942 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 943 JNIWrapper("NewGlobalRef"); | |
| 4006 | 944 #ifndef USDT2 |
| 0 | 945 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 946 #else /* USDT2 */ |
| 947 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 948 env, ref); | |
| 949 #endif /* USDT2 */ | |
| 0 | 950 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 951 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 952 #ifndef USDT2 |
| 0 | 953 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 954 #else /* USDT2 */ |
| 955 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 956 ret); | |
| 957 #endif /* USDT2 */ | |
| 0 | 958 return ret; |
| 959 JNI_END | |
| 960 | |
| 961 // Must be JNI_ENTRY (with HandleMark) | |
| 962 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 963 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 964 #ifndef USDT2 |
| 0 | 965 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 966 #else /* USDT2 */ |
| 967 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 968 env, ref); | |
| 969 #endif /* USDT2 */ | |
| 0 | 970 JNIHandles::destroy_global(ref); |
| 4006 | 971 #ifndef USDT2 |
| 0 | 972 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 973 #else /* USDT2 */ |
| 974 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 975 ); | |
| 976 #endif /* USDT2 */ | |
| 0 | 977 JNI_END |
| 978 | |
| 979 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 980 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 981 #ifndef USDT2 |
| 0 | 982 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 983 #else /* USDT2 */ |
| 984 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 985 env, obj); | |
| 986 #endif /* USDT2 */ | |
| 0 | 987 JNIHandles::destroy_local(obj); |
| 4006 | 988 #ifndef USDT2 |
| 0 | 989 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 990 #else /* USDT2 */ |
| 991 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 992 ); | |
| 993 #endif /* USDT2 */ | |
| 0 | 994 JNI_END |
| 995 | |
| 996 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 997 JNIWrapper("IsSameObject"); | |
| 4006 | 998 #ifndef USDT2 |
| 0 | 999 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 1000 #else /* USDT2 */ |
| 1001 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 1002 env, r1, r2); | |
| 1003 #endif /* USDT2 */ | |
| 0 | 1004 oop a = JNIHandles::resolve(r1); |
| 1005 oop b = JNIHandles::resolve(r2); | |
| 1006 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1007 #ifndef USDT2 |
| 0 | 1008 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1009 #else /* USDT2 */ |
| 1010 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1011 ret); | |
| 1012 #endif /* USDT2 */ | |
| 0 | 1013 return ret; |
| 1014 JNI_END | |
| 1015 | |
| 1016 | |
| 1017 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1018 JNIWrapper("NewLocalRef"); | |
| 4006 | 1019 #ifndef USDT2 |
| 0 | 1020 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1021 #else /* USDT2 */ |
| 1022 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1023 env, ref); | |
| 1024 #endif /* USDT2 */ | |
| 0 | 1025 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1026 #ifndef USDT2 |
| 0 | 1027 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1028 #else /* USDT2 */ |
| 1029 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1030 ret); | |
| 1031 #endif /* USDT2 */ | |
| 0 | 1032 return ret; |
| 1033 JNI_END | |
| 1034 | |
| 1035 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1036 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1037 #ifndef USDT2 |
| 0 | 1038 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1039 #else /* USDT2 */ |
| 1040 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1041 env, capacity); | |
| 1042 #endif /* USDT2 */ | |
| 0 | 1043 jint ret; |
| 1044 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1045 ret = JNI_OK; | |
| 1046 } else { | |
| 1047 ret = JNI_ERR; | |
| 1048 } | |
| 4006 | 1049 #ifndef USDT2 |
| 0 | 1050 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1051 #else /* USDT2 */ |
| 1052 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1053 ret); | |
| 1054 #endif /* USDT2 */ | |
| 0 | 1055 return ret; |
| 1056 JNI_END | |
| 1057 | |
| 1058 // Return the Handle Type | |
| 1059 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1060 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1061 #ifndef USDT2 |
| 0 | 1062 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1063 #else /* USDT2 */ |
| 1064 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1065 env, obj); | |
| 1066 #endif /* USDT2 */ | |
| 0 | 1067 jobjectRefType ret; |
| 1068 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1069 JNIHandles::is_frame_handle(thread, obj)) | |
| 1070 ret = JNILocalRefType; | |
| 1071 else if (JNIHandles::is_global_handle(obj)) | |
| 1072 ret = JNIGlobalRefType; | |
| 1073 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1074 ret = JNIWeakGlobalRefType; | |
| 1075 else | |
| 1076 ret = JNIInvalidRefType; | |
| 4006 | 1077 #ifndef USDT2 |
| 0 | 1078 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1079 #else /* USDT2 */ |
| 1080 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1081 (void *) ret); | |
| 1082 #endif /* USDT2 */ | |
| 0 | 1083 return ret; |
| 1084 JNI_END | |
| 1085 | |
| 1086 | |
| 1087 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1088 protected: | |
| 1089 JavaCallArguments* _arguments; | |
| 1090 | |
| 1091 virtual void get_bool () = 0; | |
| 1092 virtual void get_char () = 0; | |
| 1093 virtual void get_short () = 0; | |
| 1094 virtual void get_byte () = 0; | |
| 1095 virtual void get_int () = 0; | |
| 1096 virtual void get_long () = 0; | |
| 1097 virtual void get_float () = 0; | |
| 1098 virtual void get_double () = 0; | |
| 1099 virtual void get_object () = 0; | |
| 1100 | |
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1101 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1102 this->_return_type = T_ILLEGAL; |
| 1103 _arguments = NULL; | |
| 1104 } | |
| 1105 | |
| 1106 public: | |
| 1107 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1108 | |
| 1109 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1110 | |
| 1111 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1112 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1113 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1114 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1115 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1116 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1117 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1118 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1119 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1120 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1121 inline void do_void() { } | |
| 1122 | |
| 1123 JavaCallArguments* arguments() { return _arguments; } | |
| 1124 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1125 }; | |
| 1126 | |
| 1127 | |
| 1128 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1129 protected: | |
| 1130 va_list _ap; | |
| 1131 | |
| 1132 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1133 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1134 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1135 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1136 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1137 | |
| 1138 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1139 | |
| 1140 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1141 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1142 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1143 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1144 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1145 | |
| 1146 inline void set_ap(va_list rap) { | |
| 1147 #ifdef va_copy | |
| 1148 va_copy(_ap, rap); | |
| 1149 #elif defined (__va_copy) | |
| 1150 __va_copy(_ap, rap); | |
| 1151 #else | |
| 1152 _ap = rap; | |
| 1153 #endif | |
| 1154 } | |
| 1155 | |
| 1156 public: | |
|
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1157 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1158 : JNI_ArgumentPusher(signature) { |
| 0 | 1159 set_ap(rap); |
| 1160 } | |
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1161 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1162 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1163 set_ap(rap); |
| 1164 } | |
| 1165 | |
| 1166 // Optimized path if we have the bitvector form of signature | |
| 1167 void iterate( uint64_t fingerprint ) { | |
| 1168 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1169 else { | |
| 1170 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1171 result_feature_mask); | |
| 1172 | |
| 1173 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1174 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1175 while ( 1 ) { | |
| 1176 switch ( fingerprint & parameter_feature_mask ) { | |
| 1177 case bool_parm: | |
| 1178 case char_parm: | |
| 1179 case short_parm: | |
| 1180 case byte_parm: | |
| 1181 case int_parm: | |
| 1182 get_int(); | |
| 1183 break; | |
| 1184 case obj_parm: | |
| 1185 get_object(); | |
| 1186 break; | |
| 1187 case long_parm: | |
| 1188 get_long(); | |
| 1189 break; | |
| 1190 case float_parm: | |
| 1191 get_float(); | |
| 1192 break; | |
| 1193 case double_parm: | |
| 1194 get_double(); | |
| 1195 break; | |
| 1196 case done_parm: | |
| 1197 return; | |
| 1198 break; | |
| 1199 default: | |
| 1200 ShouldNotReachHere(); | |
| 1201 break; | |
| 1202 } | |
| 1203 fingerprint >>= parameter_feature_size; | |
| 1204 } | |
| 1205 } | |
| 1206 } | |
| 1207 }; | |
| 1208 | |
| 1209 | |
| 1210 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1211 protected: | |
| 1212 const jvalue *_ap; | |
| 1213 | |
| 1214 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1215 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1216 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1217 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1218 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1219 | |
| 1220 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1221 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1222 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1223 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1224 | |
| 1225 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1226 | |
| 1227 public: | |
|
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1228 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1229 : JNI_ArgumentPusher(signature) { |
| 0 | 1230 set_ap(rap); |
| 1231 } | |
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1232 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1233 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1234 set_ap(rap); |
| 1235 } | |
| 1236 | |
| 1237 // Optimized path if we have the bitvector form of signature | |
| 1238 void iterate( uint64_t fingerprint ) { | |
| 1239 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1240 else { | |
| 1241 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1242 result_feature_mask); | |
| 1243 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1244 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1245 while ( 1 ) { | |
| 1246 switch ( fingerprint & parameter_feature_mask ) { | |
| 1247 case bool_parm: | |
| 1248 get_bool(); | |
| 1249 break; | |
| 1250 case char_parm: | |
| 1251 get_char(); | |
| 1252 break; | |
| 1253 case short_parm: | |
| 1254 get_short(); | |
| 1255 break; | |
| 1256 case byte_parm: | |
| 1257 get_byte(); | |
| 1258 break; | |
| 1259 case int_parm: | |
| 1260 get_int(); | |
| 1261 break; | |
| 1262 case obj_parm: | |
| 1263 get_object(); | |
| 1264 break; | |
| 1265 case long_parm: | |
| 1266 get_long(); | |
| 1267 break; | |
| 1268 case float_parm: | |
| 1269 get_float(); | |
| 1270 break; | |
| 1271 case double_parm: | |
| 1272 get_double(); | |
| 1273 break; | |
| 1274 case done_parm: | |
| 1275 return; | |
| 1276 break; | |
| 1277 default: | |
| 1278 ShouldNotReachHere(); | |
| 1279 break; | |
| 1280 } | |
| 1281 fingerprint >>= parameter_feature_size; | |
| 1282 } | |
| 1283 } | |
| 1284 } | |
| 1285 }; | |
| 1286 | |
| 1287 | |
| 1288 enum JNICallType { | |
| 1289 JNI_STATIC, | |
| 1290 JNI_VIRTUAL, | |
| 1291 JNI_NONVIRTUAL | |
| 1292 }; | |
| 1293 | |
| 1294 | |
| 1295 | |
| 1296 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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1297 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1298 |
| 1299 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1300 // the jni parser | |
| 1301 ResourceMark rm(THREAD); | |
| 1302 int number_of_parameters = method->size_of_parameters(); | |
| 1303 JavaCallArguments java_args(number_of_parameters); | |
| 1304 args->set_java_argument_object(&java_args); | |
| 1305 | |
| 1306 assert(method->is_static(), "method should be static"); | |
| 1307 | |
| 1308 // Fill out JavaCallArguments object | |
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1309 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1310 // Initialize result type |
| 1311 result->set_type(args->get_ret_type()); | |
| 1312 | |
| 1313 // Invoke the method. Result is returned as oop. | |
| 1314 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1315 | |
| 1316 // Convert result | |
| 1317 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1318 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1319 } | |
| 1320 } | |
| 1321 | |
| 1322 | |
| 1323 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1324 oop recv = JNIHandles::resolve(receiver); | |
| 1325 if (recv == NULL) { | |
| 1326 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1327 } | |
| 1328 Handle h_recv(THREAD, recv); | |
| 1329 | |
| 1330 int number_of_parameters; | |
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1331 Method* selected_method; |
| 0 | 1332 { |
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1333 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1334 number_of_parameters = m->size_of_parameters(); |
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1335 Klass* holder = m->method_holder(); |
| 6983 | 1336 if (!(holder)->is_interface()) { |
| 0 | 1337 // non-interface call -- for that little speed boost, don't handlize |
| 1338 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1339 if (call_type == JNI_VIRTUAL) { | |
| 1340 // jni_GetMethodID makes sure class is linked and initialized | |
| 1341 // so m should have a valid vtable index. | |
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1342 assert(!m->has_itable_index(), ""); |
| 0 | 1343 int vtbl_index = m->vtable_index(); |
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1344 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1345 Klass* k = h_recv->klass(); |
| 0 | 1346 // k might be an arrayKlassOop but all vtables start at |
| 1347 // the same place. The cast is to avoid virtual call and assertion. | |
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1348 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1349 selected_method = ik->method_at_vtable(vtbl_index); |
| 1350 } else { | |
| 1351 // final method | |
| 1352 selected_method = m; | |
| 1353 } | |
| 1354 } else { | |
| 1355 // JNI_NONVIRTUAL call | |
| 1356 selected_method = m; | |
| 1357 } | |
| 1358 } else { | |
| 1359 // interface call | |
| 1360 KlassHandle h_holder(THREAD, holder); | |
| 1361 | |
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1362 int itbl_index = m->itable_index(); |
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1363 Klass* k = h_recv->klass(); |
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1364 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1365 } |
| 1366 } | |
| 1367 | |
| 1368 methodHandle method(THREAD, selected_method); | |
| 1369 | |
| 1370 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1371 // the jni parser | |
| 1372 ResourceMark rm(THREAD); | |
| 1373 JavaCallArguments java_args(number_of_parameters); | |
| 1374 args->set_java_argument_object(&java_args); | |
| 1375 | |
| 1376 // handle arguments | |
| 1377 assert(!method->is_static(), "method should not be static"); | |
| 1378 args->push_receiver(h_recv); // Push jobject handle | |
| 1379 | |
| 1380 // Fill out JavaCallArguments object | |
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1381 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1382 // Initialize result type |
| 1383 result->set_type(args->get_ret_type()); | |
| 1384 | |
| 1385 // Invoke the method. Result is returned as oop. | |
| 1386 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1387 | |
| 1388 // Convert result | |
| 1389 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1390 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1391 } | |
| 1392 } | |
| 1393 | |
| 1394 | |
| 1395 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1396 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1397 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1398 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1399 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1400 return ih; |
| 1401 } | |
| 1402 | |
| 4006 | 1403 #ifndef USDT2 |
| 0 | 1404 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1405 #else /* USDT2 */ |
| 1406 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1407 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1408 #endif /* USDT2 */ | |
| 0 | 1409 |
| 1410 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1411 JNIWrapper("AllocObject"); | |
| 1412 | |
| 4006 | 1413 #ifndef USDT2 |
| 0 | 1414 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1415 #else /* USDT2 */ |
| 1416 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1417 env, clazz); | |
| 1418 #endif /* USDT2 */ | |
| 0 | 1419 jobject ret = NULL; |
| 1420 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1421 | |
| 1422 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1423 ret = JNIHandles::make_local(env, i); | |
| 1424 return ret; | |
| 1425 JNI_END | |
| 1426 | |
| 4006 | 1427 #ifndef USDT2 |
| 0 | 1428 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1429 #else /* USDT2 */ |
| 1430 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1431 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1432 #endif /* USDT2 */ | |
| 0 | 1433 |
| 1434 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1435 JNIWrapper("NewObjectA"); | |
| 4006 | 1436 #ifndef USDT2 |
| 0 | 1437 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1438 #else /* USDT2 */ |
| 1439 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1440 env, clazz, (uintptr_t) methodID); | |
| 1441 #endif /* USDT2 */ | |
| 0 | 1442 jobject obj = NULL; |
| 1443 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1444 | |
| 1445 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1446 obj = JNIHandles::make_local(env, i); | |
| 1447 JavaValue jvalue(T_VOID); | |
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1448 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1449 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1450 return obj; | |
| 1451 JNI_END | |
| 1452 | |
| 4006 | 1453 #ifndef USDT2 |
| 0 | 1454 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1455 #else /* USDT2 */ |
| 1456 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1457 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1458 #endif /* USDT2 */ | |
| 0 | 1459 |
| 1460 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1461 JNIWrapper("NewObjectV"); | |
| 4006 | 1462 #ifndef USDT2 |
| 0 | 1463 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1464 #else /* USDT2 */ |
| 1465 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1466 env, clazz, (uintptr_t) methodID); | |
| 1467 #endif /* USDT2 */ | |
| 0 | 1468 jobject obj = NULL; |
| 1469 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1470 | |
| 1471 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1472 obj = JNIHandles::make_local(env, i); | |
| 1473 JavaValue jvalue(T_VOID); | |
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1474 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1475 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1476 return obj; | |
| 1477 JNI_END | |
| 1478 | |
| 4006 | 1479 #ifndef USDT2 |
| 0 | 1480 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1481 #else /* USDT2 */ |
| 1482 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1483 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1484 #endif /* USDT2 */ | |
| 0 | 1485 |
| 1486 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1487 JNIWrapper("NewObject"); | |
| 4006 | 1488 #ifndef USDT2 |
| 0 | 1489 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1490 #else /* USDT2 */ |
| 1491 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1492 env, clazz, (uintptr_t) methodID); | |
| 1493 #endif /* USDT2 */ | |
| 0 | 1494 jobject obj = NULL; |
| 1495 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1496 | |
| 1497 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1498 obj = JNIHandles::make_local(env, i); | |
| 1499 va_list args; | |
| 1500 va_start(args, methodID); | |
| 1501 JavaValue jvalue(T_VOID); | |
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1502 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1503 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1504 va_end(args); | |
| 1505 return obj; | |
| 1506 JNI_END | |
| 1507 | |
| 1508 | |
| 1509 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1510 JNIWrapper("GetObjectClass"); | |
| 4006 | 1511 #ifndef USDT2 |
| 0 | 1512 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1513 #else /* USDT2 */ |
| 1514 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1515 env, obj); | |
| 1516 #endif /* USDT2 */ | |
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1517 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1518 jclass ret = |
| 6983 | 1519 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1520 #ifndef USDT2 |
| 0 | 1521 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1522 #else /* USDT2 */ |
| 1523 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1524 ret); | |
| 1525 #endif /* USDT2 */ | |
| 0 | 1526 return ret; |
| 1527 JNI_END | |
| 1528 | |
| 1529 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1530 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1531 #ifndef USDT2 |
| 0 | 1532 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1533 #else /* USDT2 */ |
| 1534 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1535 env, obj, clazz); | |
| 1536 #endif /* USDT2 */ | |
| 0 | 1537 jboolean ret = JNI_TRUE; |
| 1538 if (obj != NULL) { | |
| 1539 ret = JNI_FALSE; | |
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1540 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1541 JNIHandles::resolve_non_null(clazz)); |
| 1542 if (k != NULL) { | |
| 1543 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1544 } | |
| 1545 } | |
| 4006 | 1546 #ifndef USDT2 |
| 0 | 1547 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1548 #else /* USDT2 */ |
| 1549 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1550 ret); | |
| 1551 #endif /* USDT2 */ | |
| 0 | 1552 return ret; |
| 1553 JNI_END | |
| 1554 | |
| 1555 | |
| 1556 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1557 const char *sig, bool is_static, TRAPS) { | |
| 1558 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1559 // | |
| 1560 // The class should have been loaded (we have an instance of the class | |
| 1561 // passed in) so the method and signature should already be in the symbol | |
| 1562 // table. If they're not there, the method doesn't exist. | |
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1563 const char *name_to_probe = (name_str == NULL) |
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1564 ? vmSymbols::object_initializer_name()->as_C_string() |
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1565 : name_str; |
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1566 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1567 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1568 |
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1569 if (name == NULL || signature == NULL) { |
| 0 | 1570 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1571 } | |
| 1572 | |
| 1573 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1574 // primitive java.lang.Class | |
| 1575 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1576 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1577 } | |
| 1578 | |
| 1579 KlassHandle klass(THREAD, | |
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1580 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1581 |
| 1582 // Make sure class is linked and initialized before handing id's out to | |
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1583 // Method*s. |
| 6983 | 1584 klass()->initialize(CHECK_NULL); |
| 0 | 1585 |
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1586 Method* m; |
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1587 if (name == vmSymbols::object_initializer_name() || |
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1588 name == vmSymbols::class_initializer_name()) { |
| 0 | 1589 // Never search superclasses for constructors |
| 1590 if (klass->oop_is_instance()) { | |
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1591 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1592 } else { |
| 1593 m = NULL; | |
| 1594 } | |
| 1595 } else { | |
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1596 m = klass->lookup_method(name, signature); |
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1597 if (m == NULL && klass->oop_is_instance()) { |
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1598 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
| 0 | 1599 } |
| 1600 } | |
| 1601 if (m == NULL || (m->is_static() != is_static)) { | |
| 1602 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1603 } | |
| 1604 return m->jmethod_id(); | |
| 1605 } | |
| 1606 | |
| 1607 | |
| 1608 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1609 const char *name, const char *sig)) | |
| 1610 JNIWrapper("GetMethodID"); | |
| 4006 | 1611 #ifndef USDT2 |
| 0 | 1612 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1613 #else /* USDT2 */ |
| 1614 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1615 env, clazz, (char *) name, (char *) sig); | |
| 1616 #endif /* USDT2 */ | |
| 0 | 1617 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1618 #ifndef USDT2 |
| 0 | 1619 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1620 #else /* USDT2 */ |
| 1621 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1622 (uintptr_t) ret); | |
| 1623 #endif /* USDT2 */ | |
| 0 | 1624 return ret; |
| 1625 JNI_END | |
| 1626 | |
| 1627 | |
| 1628 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1629 const char *name, const char *sig)) | |
| 1630 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1631 #ifndef USDT2 |
| 0 | 1632 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1633 #else /* USDT2 */ |
| 1634 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1635 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1636 #endif /* USDT2 */ | |
| 0 | 1637 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1638 #ifndef USDT2 |
| 0 | 1639 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1640 #else /* USDT2 */ |
| 1641 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1642 (uintptr_t) ret); | |
| 1643 #endif /* USDT2 */ | |
| 0 | 1644 return ret; |
| 1645 JNI_END | |
| 1646 | |
| 1647 | |
| 1648 | |
| 1649 // | |
| 1650 // Calling Methods | |
| 1651 // | |
| 1652 | |
| 4006 | 1653 #ifndef USDT2 |
| 0 | 1654 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1655 \ | |
| 1656 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1657 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1658 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1659 \ | |
| 1660 JNI_ENTRY(ResultType, \ | |
| 1661 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1662 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1663 \ | |
| 4006 | 1664 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1665 ResultType ret = 0;\ |
| 1666 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1667 (const ResultType&)ret);\ | |
| 1668 \ | |
| 1669 va_list args; \ | |
| 1670 va_start(args, methodID); \ | |
| 1671 JavaValue jvalue(Tag); \ | |
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1672 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1673 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1674 va_end(args); \ | |
| 1675 ret = jvalue.get_##ResultType(); \ | |
| 1676 return ret;\ | |
| 1677 JNI_END \ | |
| 1678 \ | |
| 1679 \ | |
| 1680 JNI_ENTRY(ResultType, \ | |
| 1681 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1682 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1683 \ | |
| 4006 | 1684 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1685 ResultType ret = 0;\ |
| 1686 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1687 (const ResultType&)ret);\ | |
| 1688 \ | |
| 1689 JavaValue jvalue(Tag); \ | |
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1690 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1691 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1692 ret = jvalue.get_##ResultType(); \ | |
| 1693 return ret;\ | |
| 1694 JNI_END \ | |
| 1695 \ | |
| 1696 \ | |
| 1697 JNI_ENTRY(ResultType, \ | |
| 1698 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1699 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1700 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1701 ResultType ret = 0;\ |
| 1702 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1703 (const ResultType&)ret);\ | |
| 1704 \ | |
| 1705 JavaValue jvalue(Tag); \ | |
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1706 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1707 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1708 ret = jvalue.get_##ResultType(); \ | |
| 1709 return ret;\ | |
| 1710 JNI_END | |
| 1711 | |
| 1712 // the runtime type of subword integral basic types is integer | |
| 1713 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1714 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1715 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1716 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1717 | |
| 1718 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1719 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1720 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1721 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1722 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1723 | |
| 1724 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1725 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1726 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1727 | |
| 4006 | 1728 #else /* USDT2 */ |
| 1729 | |
| 1730 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1731 , EntryProbe, ReturnProbe) \ | |
| 1732 \ | |
| 1733 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1734 , ReturnProbe); \ | |
| 1735 \ | |
| 1736 JNI_ENTRY(ResultType, \ | |
| 1737 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1738 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1739 \ | |
| 1740 EntryProbe; \ | |
| 1741 ResultType ret = 0;\ | |
| 1742 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1743 (const ResultType&)ret);\ | |
| 1744 \ | |
| 1745 va_list args; \ | |
| 1746 va_start(args, methodID); \ | |
| 1747 JavaValue jvalue(Tag); \ | |
| 1748 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1749 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1750 va_end(args); \ | |
| 1751 ret = jvalue.get_##ResultType(); \ | |
| 1752 return ret;\ | |
| 1753 JNI_END | |
| 1754 | |
| 1755 // the runtime type of subword integral basic types is integer | |
| 1756 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1757 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1758 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1759 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1760 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1761 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1762 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1763 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1764 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1765 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1766 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1767 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1768 | |
| 1769 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1770 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1771 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1772 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1773 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1774 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1775 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1776 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1777 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1778 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1779 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1780 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1781 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1782 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1783 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1784 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1785 | |
| 1786 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1787 , EntryProbe, ReturnProbe) \ | |
| 1788 \ | |
| 1789 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1790 , ReturnProbe); \ | |
| 1791 \ | |
| 1792 JNI_ENTRY(ResultType, \ | |
| 1793 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1794 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1795 \ | |
| 1796 EntryProbe;\ | |
| 1797 ResultType ret = 0;\ | |
| 1798 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1799 (const ResultType&)ret);\ | |
| 1800 \ | |
| 1801 JavaValue jvalue(Tag); \ | |
| 1802 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1803 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1804 ret = jvalue.get_##ResultType(); \ | |
| 1805 return ret;\ | |
| 1806 JNI_END | |
| 1807 | |
| 1808 // the runtime type of subword integral basic types is integer | |
| 1809 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1810 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1811 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1812 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1813 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1814 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1815 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1816 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1817 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1818 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1819 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1820 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1821 | |
| 1822 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1823 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1824 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1825 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1826 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1827 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1828 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1829 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1830 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1831 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1832 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1833 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1834 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1835 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1836 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1837 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1838 | |
| 1839 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1840 , EntryProbe, ReturnProbe) \ | |
| 1841 \ | |
| 1842 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1843 , ReturnProbe); \ | |
| 1844 \ | |
| 1845 JNI_ENTRY(ResultType, \ | |
| 1846 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1847 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1848 EntryProbe; \ | |
| 1849 ResultType ret = 0;\ | |
| 1850 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1851 (const ResultType&)ret);\ | |
| 1852 \ | |
| 1853 JavaValue jvalue(Tag); \ | |
| 1854 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1855 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1856 ret = jvalue.get_##ResultType(); \ | |
| 1857 return ret;\ | |
| 1858 JNI_END | |
| 1859 | |
| 1860 // the runtime type of subword integral basic types is integer | |
| 1861 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1862 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1863 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1864 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1865 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1866 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1867 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1868 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1869 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1870 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1871 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1872 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1873 | |
| 1874 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1875 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1876 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1877 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1878 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1879 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1880 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1881 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1882 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1883 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1884 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1885 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1886 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1887 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1888 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1889 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1890 | |
| 1891 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1892 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1893 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1894 | |
| 1895 #endif /* USDT2 */ | |
| 1896 | |
| 0 | 1897 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1898 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1899 #ifndef USDT2 |
| 0 | 1900 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1901 #else /* USDT2 */ |
| 1902 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1903 env, obj, (uintptr_t) methodID); | |
| 1904 #endif /* USDT2 */ | |
| 0 | 1905 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1906 | |
| 1907 va_list args; | |
| 1908 va_start(args, methodID); | |
| 1909 JavaValue jvalue(T_VOID); | |
|
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1910 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1911 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1912 va_end(args); | |
| 1913 JNI_END | |
| 1914 | |
| 1915 | |
| 1916 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1917 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1918 #ifndef USDT2 |
| 0 | 1919 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1920 #else /* USDT2 */ |
| 1921 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1922 env, obj, (uintptr_t) methodID); | |
| 1923 #endif /* USDT2 */ | |
| 0 | 1924 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1925 | |
| 1926 JavaValue jvalue(T_VOID); | |
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1927 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1928 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1929 JNI_END | |
| 1930 | |
| 1931 | |
| 1932 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1933 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1934 #ifndef USDT2 |
| 0 | 1935 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1936 #else /* USDT2 */ |
| 1937 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1938 env, obj, (uintptr_t) methodID); | |
| 1939 #endif /* USDT2 */ | |
| 0 | 1940 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1941 | |
| 1942 JavaValue jvalue(T_VOID); | |
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1943 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1944 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1945 JNI_END | |
| 1946 | |
| 1947 | |
| 4006 | 1948 #ifndef USDT2 |
| 0 | 1949 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1950 \ | |
| 1951 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1952 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1953 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1954 \ | |
| 1955 JNI_ENTRY(ResultType, \ | |
| 1956 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1957 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1958 \ | |
| 1959 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1960 ResultType ret;\ | |
| 1961 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1962 (const ResultType&)ret);\ | |
| 1963 \ | |
| 1964 va_list args; \ | |
| 1965 va_start(args, methodID); \ | |
| 1966 JavaValue jvalue(Tag); \ | |
|
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1967 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1968 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1969 va_end(args); \ | |
| 1970 ret = jvalue.get_##ResultType(); \ | |
| 1971 return ret;\ | |
| 1972 JNI_END \ | |
| 1973 \ | |
| 1974 JNI_ENTRY(ResultType, \ | |
| 1975 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1976 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1977 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1978 ResultType ret;\ | |
| 1979 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1980 (const ResultType&)ret);\ | |
| 1981 \ | |
| 1982 JavaValue jvalue(Tag); \ | |
|
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1983 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1984 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1985 ret = jvalue.get_##ResultType(); \ | |
| 1986 return ret;\ | |
| 1987 JNI_END \ | |
| 1988 \ | |
| 1989 JNI_ENTRY(ResultType, \ | |
| 1990 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1991 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1992 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 1993 ResultType ret;\ | |
| 1994 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 1995 (const ResultType&)ret);\ | |
| 1996 \ | |
| 1997 JavaValue jvalue(Tag); \ | |
|
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1998 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1999 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2000 ret = jvalue.get_##ResultType(); \ | |
| 2001 return ret;\ | |
| 2002 JNI_END | |
| 2003 | |
| 2004 // the runtime type of subword integral basic types is integer | |
| 2005 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2006 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2007 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2008 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2009 | |
| 2010 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2011 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2012 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2013 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2014 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2015 | |
| 2016 | |
| 2017 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2018 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2019 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2020 | |
| 4006 | 2021 #else /* USDT2 */ |
| 2022 | |
| 2023 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2024 , EntryProbe, ReturnProbe) \ | |
| 2025 \ | |
| 2026 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2027 , ReturnProbe);\ | |
| 2028 \ | |
| 2029 JNI_ENTRY(ResultType, \ | |
| 2030 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2031 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2032 \ | |
| 2033 EntryProbe;\ | |
| 2034 ResultType ret;\ | |
| 2035 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2036 (const ResultType&)ret);\ | |
| 2037 \ | |
| 2038 va_list args; \ | |
| 2039 va_start(args, methodID); \ | |
| 2040 JavaValue jvalue(Tag); \ | |
| 2041 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2042 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2043 va_end(args); \ | |
| 2044 ret = jvalue.get_##ResultType(); \ | |
| 2045 return ret;\ | |
| 2046 JNI_END | |
| 2047 | |
| 2048 // the runtime type of subword integral basic types is integer | |
| 2049 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2050 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2051 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2052 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2053 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2054 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2055 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2056 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2057 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2058 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2059 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2060 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2061 | |
| 2062 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2063 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2064 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2065 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2066 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2067 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2068 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2069 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2070 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2071 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2072 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2073 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2074 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2075 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2076 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2077 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2078 | |
| 2079 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2080 , EntryProbe, ReturnProbe) \ | |
| 2081 \ | |
| 2082 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2083 , ReturnProbe);\ | |
| 2084 \ | |
| 2085 JNI_ENTRY(ResultType, \ | |
| 2086 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2087 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2088 \ | |
| 2089 EntryProbe;\ | |
| 2090 ResultType ret;\ | |
| 2091 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2092 (const ResultType&)ret);\ | |
| 2093 \ | |
| 2094 JavaValue jvalue(Tag); \ | |
| 2095 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2096 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2097 ret = jvalue.get_##ResultType(); \ | |
| 2098 return ret;\ | |
| 2099 JNI_END | |
| 2100 | |
| 2101 // the runtime type of subword integral basic types is integer | |
| 2102 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2103 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2104 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2105 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2106 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2107 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2108 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2109 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2110 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2111 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2112 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2113 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2114 | |
| 2115 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2116 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2117 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2118 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2119 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2120 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2121 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2122 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2123 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2124 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2125 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2126 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2127 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2128 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2129 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2130 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2131 | |
| 2132 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2133 , EntryProbe, ReturnProbe) \ | |
| 2134 \ | |
| 2135 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2136 , ReturnProbe);\ | |
| 2137 \ | |
| 2138 JNI_ENTRY(ResultType, \ | |
| 2139 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2140 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2141 \ | |
| 2142 EntryProbe;\ | |
| 2143 ResultType ret;\ | |
| 2144 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2145 (const ResultType&)ret);\ | |
| 2146 \ | |
| 2147 JavaValue jvalue(Tag); \ | |
| 2148 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2149 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2150 ret = jvalue.get_##ResultType(); \ | |
| 2151 return ret;\ | |
| 2152 JNI_END | |
| 2153 | |
| 2154 // the runtime type of subword integral basic types is integer | |
| 2155 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2156 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2157 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2158 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2159 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2160 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2161 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2162 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2163 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2164 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2165 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2166 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2167 | |
| 2168 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2169 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2170 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2171 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2172 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2173 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2174 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2175 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2176 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2177 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2178 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2179 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2180 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2181 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2182 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2183 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2184 | |
| 2185 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2186 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2187 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2188 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2189 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2190 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2191 #endif /* USDT2 */ | |
| 2192 | |
| 0 | 2193 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2194 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2195 | |
| 4006 | 2196 #ifndef USDT2 |
| 0 | 2197 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2198 env, obj, cls, methodID); | |
| 4006 | 2199 #else /* USDT2 */ |
| 2200 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2201 env, obj, cls, (uintptr_t) methodID); | |
| 2202 #endif /* USDT2 */ | |
| 0 | 2203 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2204 | |
| 2205 va_list args; | |
| 2206 va_start(args, methodID); | |
| 2207 JavaValue jvalue(T_VOID); | |
|
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2208 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2209 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2210 va_end(args); | |
| 2211 JNI_END | |
| 2212 | |
| 2213 | |
| 2214 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2215 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2216 | |
| 4006 | 2217 #ifndef USDT2 |
| 0 | 2218 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2219 env, obj, cls, methodID); | |
| 4006 | 2220 #else /* USDT2 */ |
| 2221 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2222 env, obj, cls, (uintptr_t) methodID); | |
| 2223 #endif /* USDT2 */ | |
| 0 | 2224 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2225 | |
| 2226 JavaValue jvalue(T_VOID); | |
|
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2227 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2228 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2229 JNI_END | |
| 2230 | |
| 2231 | |
| 2232 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2233 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2234 #ifndef USDT2 |
| 0 | 2235 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2236 env, obj, cls, methodID); | |
| 4006 | 2237 #else /* USDT2 */ |
| 2238 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2239 env, obj, cls, (uintptr_t) methodID); | |
| 2240 #endif /* USDT2 */ | |
| 0 | 2241 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2242 JavaValue jvalue(T_VOID); | |
|
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2243 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2244 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2245 JNI_END | |
| 2246 | |
| 2247 | |
| 4006 | 2248 #ifndef USDT2 |
| 0 | 2249 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2250 \ | |
| 2251 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2252 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2253 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2254 \ | |
| 2255 JNI_ENTRY(ResultType, \ | |
| 2256 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2257 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2258 \ | |
| 2259 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2260 ResultType ret = 0;\ | |
| 2261 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2262 (const ResultType&)ret);\ | |
| 2263 \ | |
| 2264 va_list args; \ | |
| 2265 va_start(args, methodID); \ | |
| 2266 JavaValue jvalue(Tag); \ | |
|
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2267 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2268 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2269 va_end(args); \ | |
| 2270 ret = jvalue.get_##ResultType(); \ | |
| 2271 return ret;\ | |
| 2272 JNI_END \ | |
| 2273 \ | |
| 2274 JNI_ENTRY(ResultType, \ | |
| 2275 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2276 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2277 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2278 ResultType ret = 0;\ | |
| 2279 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2280 (const ResultType&)ret);\ | |
| 2281 \ | |
| 2282 JavaValue jvalue(Tag); \ | |
|
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2283 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2284 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2285 ret = jvalue.get_##ResultType(); \ | |
| 2286 return ret;\ | |
| 2287 JNI_END \ | |
| 2288 \ | |
| 2289 JNI_ENTRY(ResultType, \ | |
| 2290 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2291 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2292 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2293 ResultType ret = 0;\ | |
| 2294 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2295 (const ResultType&)ret);\ | |
| 2296 \ | |
| 2297 JavaValue jvalue(Tag); \ | |
|
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|
2298 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2299 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2300 ret = jvalue.get_##ResultType(); \ | |
| 2301 return ret;\ | |
| 2302 JNI_END | |
| 2303 | |
| 2304 // the runtime type of subword integral basic types is integer | |
| 2305 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2306 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2307 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2308 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2309 | |
| 2310 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2311 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2312 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2313 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2314 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2315 | |
| 2316 | |
| 2317 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2318 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2319 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2320 | |
| 4006 | 2321 #else /* USDT2 */ |
| 2322 | |
| 2323 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2324 , EntryProbe, ResultProbe) \ | |
| 2325 \ | |
| 2326 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2327 , ResultProbe); \ | |
| 2328 \ | |
| 2329 JNI_ENTRY(ResultType, \ | |
| 2330 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2331 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2332 \ | |
| 2333 EntryProbe; \ | |
| 2334 ResultType ret = 0;\ | |
| 2335 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2336 (const ResultType&)ret);\ | |
| 2337 \ | |
| 2338 va_list args; \ | |
| 2339 va_start(args, methodID); \ | |
| 2340 JavaValue jvalue(Tag); \ | |
| 2341 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2342 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2343 va_end(args); \ | |
| 2344 ret = jvalue.get_##ResultType(); \ | |
| 2345 return ret;\ | |
| 2346 JNI_END | |
| 2347 | |
| 2348 // the runtime type of subword integral basic types is integer | |
| 2349 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2350 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2351 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2352 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2353 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2354 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2355 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2356 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2357 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2358 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2359 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2360 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2361 | |
| 2362 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2363 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2364 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2365 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2366 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2367 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2368 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2369 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2370 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2371 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2372 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2373 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2374 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2375 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2376 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2377 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2378 | |
| 2379 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2380 , EntryProbe, ResultProbe) \ | |
| 2381 \ | |
| 2382 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2383 , ResultProbe); \ | |
| 2384 \ | |
| 2385 JNI_ENTRY(ResultType, \ | |
| 2386 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2387 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2388 \ | |
| 2389 EntryProbe; \ | |
| 2390 ResultType ret = 0;\ | |
| 2391 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2392 (const ResultType&)ret);\ | |
| 2393 \ | |
| 2394 JavaValue jvalue(Tag); \ | |
| 2395 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2396 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2397 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2398 k()->initialize(CHECK_0); \ |
| 4006 | 2399 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2400 va_end(args); \ | |
| 2401 ret = jvalue.get_##ResultType(); \ | |
| 2402 return ret;\ | |
| 2403 JNI_END | |
| 2404 | |
| 2405 // the runtime type of subword integral basic types is integer | |
| 2406 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2407 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2408 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2409 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2410 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2411 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2412 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2413 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2414 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2415 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2416 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2417 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2418 | |
| 2419 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2420 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2421 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2422 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2423 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2424 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2425 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2426 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2427 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2428 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2429 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2430 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2431 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2432 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2433 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2434 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2435 | |
| 2436 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2437 , EntryProbe, ResultProbe) \ | |
| 2438 \ | |
| 2439 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2440 , ResultProbe); \ | |
| 2441 \ | |
| 2442 JNI_ENTRY(ResultType, \ | |
| 2443 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2444 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2445 \ | |
| 2446 EntryProbe; \ | |
| 2447 ResultType ret = 0;\ | |
| 2448 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2449 (const ResultType&)ret);\ | |
| 2450 \ | |
| 2451 JavaValue jvalue(Tag); \ | |
| 2452 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2453 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2454 ret = jvalue.get_##ResultType(); \ | |
| 2455 return ret;\ | |
| 2456 JNI_END | |
| 2457 | |
| 2458 // the runtime type of subword integral basic types is integer | |
| 2459 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2460 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2461 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2462 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2463 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2464 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2465 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2466 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2467 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2468 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2469 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2470 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2471 | |
| 2472 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2473 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2474 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2475 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2476 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2477 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2478 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2479 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2480 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2481 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2482 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2483 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2484 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2485 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2486 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2487 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2488 | |
| 2489 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2490 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2491 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2492 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2493 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2494 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2495 #endif /* USDT2 */ | |
| 2496 | |
| 0 | 2497 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2498 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2499 #ifndef USDT2 |
| 0 | 2500 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2501 #else /* USDT2 */ |
| 2502 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2503 env, cls, (uintptr_t) methodID); | |
| 2504 #endif /* USDT2 */ | |
| 0 | 2505 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2506 | |
| 2507 va_list args; | |
| 2508 va_start(args, methodID); | |
| 2509 JavaValue jvalue(T_VOID); | |
|
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2510 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2511 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2512 va_end(args); | |
| 2513 JNI_END | |
| 2514 | |
| 2515 | |
| 2516 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2517 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2518 #ifndef USDT2 |
| 0 | 2519 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2520 #else /* USDT2 */ |
| 2521 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2522 env, cls, (uintptr_t) methodID); | |
| 2523 #endif /* USDT2 */ | |
| 0 | 2524 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2525 | |
| 2526 JavaValue jvalue(T_VOID); | |
|
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2527 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2528 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2529 JNI_END | |
| 2530 | |
| 2531 | |
| 2532 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2533 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2534 #ifndef USDT2 |
| 0 | 2535 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2536 #else /* USDT2 */ |
| 2537 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2538 env, cls, (uintptr_t) methodID); | |
| 2539 #endif /* USDT2 */ | |
| 0 | 2540 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2541 | |
| 2542 JavaValue jvalue(T_VOID); | |
|
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2543 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2544 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2545 JNI_END | |
| 2546 | |
| 2547 | |
| 2548 // | |
| 2549 // Accessing Fields | |
| 2550 // | |
| 2551 | |
| 2552 | |
| 4006 | 2553 #ifndef USDT2 |
| 0 | 2554 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2555 #else /* USDT2 */ |
| 2556 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2557 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2558 #endif /* USDT2 */ | |
| 0 | 2559 |
| 2560 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2561 const char *name, const char *sig)) | |
| 2562 JNIWrapper("GetFieldID"); | |
| 4006 | 2563 #ifndef USDT2 |
| 0 | 2564 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2565 #else /* USDT2 */ |
| 2566 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2567 env, clazz, (char *) name, (char *) sig); | |
| 2568 #endif /* USDT2 */ | |
| 0 | 2569 jfieldID ret = 0; |
| 2570 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2571 | |
| 2572 // The class should have been loaded (we have an instance of the class | |
| 2573 // passed in) so the field and signature should already be in the symbol | |
| 2574 // table. If they're not there, the field doesn't exist. | |
|
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2575 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2576 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2577 if (fieldname == NULL || signame == NULL) { |
| 0 | 2578 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2579 } | |
| 2580 KlassHandle k(THREAD, | |
|
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2581 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2582 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2583 k()->initialize(CHECK_NULL); |
| 0 | 2584 |
| 2585 fieldDescriptor fd; | |
| 6983 | 2586 if (!k()->oop_is_instance() || |
|
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2587 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2588 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2589 } | |
| 2590 | |
| 2591 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2592 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2593 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2594 return ret; | |
| 2595 JNI_END | |
| 2596 | |
| 2597 | |
| 2598 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2599 JNIWrapper("GetObjectField"); | |
| 4006 | 2600 #ifndef USDT2 |
| 0 | 2601 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2602 #else /* USDT2 */ |
| 2603 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2604 env, obj, (uintptr_t) fieldID); | |
| 2605 #endif /* USDT2 */ | |
| 0 | 2606 oop o = JNIHandles::resolve_non_null(obj); |
|
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2607 Klass* k = o->klass(); |
| 0 | 2608 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2609 // Keep JVMTI addition small and only check enabled flag here. | |
| 2610 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2611 if (JvmtiExport::should_post_field_access()) { | |
| 2612 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2613 } | |
| 2614 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2615 #if INCLUDE_ALL_GCS |
|
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|
2616 // If G1 is enabled and we are accessing the value of the referent |
|
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|
2617 // field in a reference object then we need to register a non-null |
|
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|
2618 // referent with the SATB barrier. |
|
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|
2619 if (UseG1GC) { |
|
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|
2620 bool needs_barrier = false; |
|
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|
2621 |
|
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|
2622 if (ret != NULL && |
|
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|
2623 offset == java_lang_ref_Reference::referent_offset && |
|
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2624 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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|
2625 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
3249
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|
2626 needs_barrier = true; |
|
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|
2627 } |
|
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|
2628 |
|
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|
2629 if (needs_barrier) { |
|
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|
2630 oop referent = JNIHandles::resolve(ret); |
|
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|
2631 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2632 } |
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|
2633 } |
|
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|
2634 #endif // INCLUDE_ALL_GCS |
| 4006 | 2635 #ifndef USDT2 |
| 0 | 2636 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2637 #else /* USDT2 */ |
| 2638 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2639 ret); | |
| 2640 #endif /* USDT2 */ | |
| 0 | 2641 return ret; |
| 2642 JNI_END | |
| 2643 | |
| 2644 | |
| 4006 | 2645 #ifndef USDT2 |
| 0 | 2646 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2647 \ | |
| 2648 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2649 \ | |
| 2650 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2651 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2652 \ | |
| 2653 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2654 Return ret = 0;\ | |
| 2655 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2656 \ | |
| 2657 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2658 Klass* k = o->klass(); \ |
| 0 | 2659 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2660 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2661 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2662 /* and creates a ResetNoHandleMark. */ \ | |
| 2663 if (JvmtiExport::should_post_field_access()) { \ | |
| 2664 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2665 } \ | |
| 2666 ret = o->Fieldname##_field(offset); \ | |
| 2667 return ret; \ | |
| 2668 JNI_END | |
| 2669 | |
| 2670 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2671 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2672 DEFINE_GETFIELD(jchar, char, Char) | |
| 2673 DEFINE_GETFIELD(jshort, short, Short) | |
| 2674 DEFINE_GETFIELD(jint, int, Int) | |
| 2675 DEFINE_GETFIELD(jlong, long, Long) | |
| 2676 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2677 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2678 | |
| 4006 | 2679 #else /* USDT2 */ |
| 2680 | |
| 2681 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2682 , EntryProbe, ReturnProbe) \ | |
| 2683 \ | |
| 2684 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2685 , ReturnProbe); \ | |
| 2686 \ | |
| 2687 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2688 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2689 \ | |
| 2690 EntryProbe; \ | |
| 2691 Return ret = 0;\ | |
| 2692 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2693 \ | |
| 2694 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2695 Klass* k = o->klass(); \ |
| 4006 | 2696 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2697 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2698 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2699 /* and creates a ResetNoHandleMark. */ \ | |
| 2700 if (JvmtiExport::should_post_field_access()) { \ | |
| 2701 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2702 } \ | |
| 2703 ret = o->Fieldname##_field(offset); \ | |
| 2704 return ret; \ | |
| 2705 JNI_END | |
| 2706 | |
| 2707 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2708 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2709 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2710 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2711 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2712 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2713 DEFINE_GETFIELD(jchar, char, Char | |
| 2714 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2715 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2716 DEFINE_GETFIELD(jshort, short, Short | |
| 2717 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2718 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2719 DEFINE_GETFIELD(jint, int, Int | |
| 2720 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2721 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2722 DEFINE_GETFIELD(jlong, long, Long | |
| 2723 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2724 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2725 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2726 DEFINE_GETFIELD(jfloat, float, Float | |
| 2727 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2728 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2729 DEFINE_GETFIELD(jdouble, double, Double | |
| 2730 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2731 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2732 #endif /* USDT2 */ | |
| 2733 | |
| 0 | 2734 address jni_GetBooleanField_addr() { |
| 2735 return (address)jni_GetBooleanField; | |
| 2736 } | |
| 2737 address jni_GetByteField_addr() { | |
| 2738 return (address)jni_GetByteField; | |
| 2739 } | |
| 2740 address jni_GetCharField_addr() { | |
| 2741 return (address)jni_GetCharField; | |
| 2742 } | |
| 2743 address jni_GetShortField_addr() { | |
| 2744 return (address)jni_GetShortField; | |
| 2745 } | |
| 2746 address jni_GetIntField_addr() { | |
| 2747 return (address)jni_GetIntField; | |
| 2748 } | |
| 2749 address jni_GetLongField_addr() { | |
| 2750 return (address)jni_GetLongField; | |
| 2751 } | |
| 2752 address jni_GetFloatField_addr() { | |
| 2753 return (address)jni_GetFloatField; | |
| 2754 } | |
| 2755 address jni_GetDoubleField_addr() { | |
| 2756 return (address)jni_GetDoubleField; | |
| 2757 } | |
| 2758 | |
| 2759 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2760 JNIWrapper("SetObjectField"); | |
| 4006 | 2761 #ifndef USDT2 |
| 0 | 2762 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2763 #else /* USDT2 */ |
| 2764 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2765 env, obj, (uintptr_t) fieldID, value); | |
| 2766 #endif /* USDT2 */ | |
| 0 | 2767 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2768 Klass* k = o->klass(); |
| 0 | 2769 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2770 // Keep JVMTI addition small and only check enabled flag here. | |
| 2771 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2772 // and creates a ResetNoHandleMark. | |
| 2773 if (JvmtiExport::should_post_field_modification()) { | |
| 2774 jvalue field_value; | |
| 2775 field_value.l = value; | |
| 2776 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2777 } | |
| 2778 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2779 #ifndef USDT2 |
| 0 | 2780 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2781 #else /* USDT2 */ |
| 2782 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2783 ); | |
| 2784 #endif /* USDT2 */ | |
| 0 | 2785 JNI_END |
| 2786 | |
| 4006 | 2787 #ifndef USDT2 |
| 0 | 2788 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2789 \ | |
| 2790 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2791 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2792 \ | |
|
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|
2793 FP_SELECT_##Result( \ |
|
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diff
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|
2794 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
75982791ddb6
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6831
diff
changeset
|
2795 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2796 \ |
| 2797 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2798 Klass* k = o->klass(); \ |
| 0 | 2799 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2800 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2801 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2802 /* and creates a ResetNoHandleMark. */ \ | |
| 2803 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2804 jvalue field_value; \ | |
| 2805 field_value.unionType = value; \ | |
| 2806 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2807 } \ | |
| 2808 o->Fieldname##_field_put(offset, value); \ | |
| 2809 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2810 JNI_END | |
| 2811 | |
| 2812 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2813 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2814 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2815 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2816 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2817 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2818 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2819 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2820 | |
| 4006 | 2821 #else /* USDT2 */ |
| 2822 | |
| 2823 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2824 , EntryProbe, ReturnProbe) \ | |
| 2825 \ | |
| 2826 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2827 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2828 \ | |
| 2829 EntryProbe; \ | |
| 2830 \ | |
| 2831 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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diff
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|
2832 Klass* k = o->klass(); \ |
| 4006 | 2833 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2834 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2835 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2836 /* and creates a ResetNoHandleMark. */ \ | |
| 2837 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2838 jvalue field_value; \ | |
| 2839 field_value.unionType = value; \ | |
| 2840 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2841 } \ | |
| 2842 o->Fieldname##_field_put(offset, value); \ | |
| 2843 ReturnProbe; \ | |
| 2844 JNI_END | |
| 2845 | |
| 2846 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2847 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2848 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2849 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2850 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2851 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2852 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2853 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2854 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2855 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2856 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2857 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2858 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2859 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2860 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2861 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2862 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2863 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2864 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2865 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2866 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2867 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2868 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2869 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2870 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2871 #endif /* USDT2 */ | |
| 2872 | |
| 2873 #ifndef USDT2 | |
| 0 | 2874 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2875 #else /* USDT2 */ |
| 2876 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2877 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2878 #endif /* USDT2 */ | |
| 0 | 2879 |
| 2880 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2881 JNIWrapper("ToReflectedField"); | |
| 4006 | 2882 #ifndef USDT2 |
| 0 | 2883 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2884 env, cls, fieldID, isStatic); | |
| 4006 | 2885 #else /* USDT2 */ |
| 2886 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2887 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2888 #endif /* USDT2 */ | |
| 0 | 2889 jobject ret = NULL; |
| 2890 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2891 | |
| 2892 fieldDescriptor fd; | |
| 2893 bool found = false; | |
|
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|
2894 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2895 |
| 2896 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2897 | |
| 2898 if (isStatic) { | |
|
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|
2899 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2900 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2901 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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diff
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|
2902 found = id->find_local_field(&fd); |
| 0 | 2903 } else { |
| 2904 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2905 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2906 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2907 } |
| 2908 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2909 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2910 ret = JNIHandles::make_local(env, reflected); | |
| 2911 return ret; | |
| 2912 JNI_END | |
| 2913 | |
| 2914 | |
| 2915 // | |
| 2916 // Accessing Static Fields | |
| 2917 // | |
| 4006 | 2918 #ifndef USDT2 |
| 0 | 2919 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2920 #else /* USDT2 */ |
| 2921 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2922 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2923 #endif /* USDT2 */ | |
| 0 | 2924 |
| 2925 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2926 const char *name, const char *sig)) | |
| 2927 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2928 #ifndef USDT2 |
| 0 | 2929 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2930 #else /* USDT2 */ |
| 2931 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2932 env, clazz, (char *) name, (char *) sig); | |
| 2933 #endif /* USDT2 */ | |
| 0 | 2934 jfieldID ret = NULL; |
| 2935 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2936 | |
| 2937 // The class should have been loaded (we have an instance of the class | |
| 2938 // passed in) so the field and signature should already be in the symbol | |
| 2939 // table. If they're not there, the field doesn't exist. | |
|
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6990754: Use native memory and reference counting to implement SymbolTable
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1989
diff
changeset
|
2940 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
2941 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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diff
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|
2942 if (fieldname == NULL || signame == NULL) { |
| 0 | 2943 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2944 } | |
| 2945 KlassHandle k(THREAD, | |
|
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|
2946 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2947 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2948 k()->initialize(CHECK_NULL); |
| 0 | 2949 |
| 2950 fieldDescriptor fd; | |
| 6983 | 2951 if (!k()->oop_is_instance() || |
|
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2952 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2953 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2954 } | |
| 2955 | |
|
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2956 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
2957 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2958 debug_only(id->set_is_static_field_id();) |
| 2959 | |
|
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|
2960 debug_only(id->verify(fd.field_holder())); |
| 0 | 2961 |
| 2962 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2963 return ret; | |
| 2964 JNI_END | |
| 2965 | |
| 2966 | |
| 2967 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2968 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2969 #ifndef USDT2 |
| 0 | 2970 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2971 #else /* USDT2 */ |
| 2972 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2973 env, clazz, (uintptr_t) fieldID); | |
| 2974 #endif /* USDT2 */ | |
|
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|
2975 #if INCLUDE_JNI_CHECK |
|
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2976 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2977 #endif // INCLUDE_JNI_CHECK |
| 0 | 2978 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2979 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2980 // Keep JVMTI addition small and only check enabled flag here. | |
| 2981 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2982 if (JvmtiExport::should_post_field_access()) { | |
| 2983 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2984 } | |
|
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|
2985 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2986 #ifndef USDT2 |
| 0 | 2987 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 2988 #else /* USDT2 */ |
| 2989 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 2990 ret); | |
| 2991 #endif /* USDT2 */ | |
| 0 | 2992 return ret; |
| 2993 JNI_END | |
| 2994 | |
| 4006 | 2995 #ifndef USDT2 |
| 0 | 2996 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 2997 \ | |
| 2998 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 2999 \ | |
| 3000 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3001 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3002 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3003 Return ret = 0;\ | |
| 3004 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3005 (const Return&)ret);\ | |
| 3006 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3007 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3008 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3009 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3010 if (JvmtiExport::should_post_field_access()) { \ | |
| 3011 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3012 } \ | |
|
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|
3013 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3014 return ret;\ |
| 3015 JNI_END | |
| 3016 | |
| 3017 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3018 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3019 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3020 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3021 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3022 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3023 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3024 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3025 | |
| 4006 | 3026 #else /* USDT2 */ |
| 3027 | |
| 3028 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3029 , EntryProbe, ReturnProbe) \ | |
| 3030 \ | |
| 3031 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3032 , ReturnProbe); \ | |
| 3033 \ | |
| 3034 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3035 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3036 EntryProbe; \ | |
| 3037 Return ret = 0;\ | |
| 3038 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3039 (const Return&)ret);\ | |
| 3040 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3041 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3042 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3043 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3044 if (JvmtiExport::should_post_field_access()) { \ | |
| 3045 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3046 } \ | |
| 3047 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3048 return ret;\ | |
| 3049 JNI_END | |
| 3050 | |
| 3051 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3052 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3053 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3054 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3055 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3056 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3057 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3058 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3059 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3060 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3061 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3062 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3063 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3064 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3065 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3066 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3067 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3068 #endif /* USDT2 */ | |
| 0 | 3069 |
| 3070 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3071 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3072 #ifndef USDT2 |
| 0 | 3073 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3074 #else /* USDT2 */ |
| 3075 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3076 env, clazz, (uintptr_t) fieldID, value); | |
| 3077 #endif /* USDT2 */ | |
| 0 | 3078 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3079 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3080 // Keep JVMTI addition small and only check enabled flag here. | |
| 3081 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3082 if (JvmtiExport::should_post_field_modification()) { | |
| 3083 jvalue field_value; | |
| 3084 field_value.l = value; | |
| 3085 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3086 } | |
|
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3087 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3088 #ifndef USDT2 |
| 0 | 3089 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3090 #else /* USDT2 */ |
| 3091 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3092 ); | |
| 3093 #endif /* USDT2 */ | |
| 0 | 3094 JNI_END |
| 3095 | |
| 3096 | |
| 4006 | 3097 #ifndef USDT2 |
| 0 | 3098 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3099 \ | |
| 3100 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3101 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
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|
3102 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
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|
3103 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
75982791ddb6
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|
3104 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3105 \ |
| 3106 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3107 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3108 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3109 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3110 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3111 jvalue field_value; \ | |
| 3112 field_value.unionType = value; \ | |
| 3113 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3114 } \ | |
|
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|
3115 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3116 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3117 JNI_END | |
| 3118 | |
| 3119 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3120 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3121 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3122 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3123 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3124 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3125 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3126 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3127 | |
| 4006 | 3128 #else /* USDT2 */ |
| 3129 | |
| 3130 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3131 , EntryProbe, ReturnProbe) \ | |
| 3132 \ | |
| 3133 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3134 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3135 EntryProbe; \ | |
| 3136 \ | |
| 3137 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3138 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3139 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3140 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3141 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3142 jvalue field_value; \ | |
| 3143 field_value.unionType = value; \ | |
| 3144 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3145 } \ | |
| 3146 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3147 ReturnProbe;\ | |
| 3148 JNI_END | |
| 3149 | |
| 3150 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3151 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3152 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3153 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3154 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3155 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3156 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3157 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3158 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3159 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3160 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3161 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3162 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3163 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3164 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3165 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3166 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3167 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3168 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3169 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3170 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3171 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3172 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3173 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3174 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3175 #endif /* USDT2 */ | |
| 0 | 3176 |
| 3177 // | |
| 3178 // String Operations | |
| 3179 // | |
| 3180 | |
| 3181 // Unicode Interface | |
| 3182 | |
| 4006 | 3183 #ifndef USDT2 |
| 0 | 3184 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3185 #else /* USDT2 */ |
| 3186 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3187 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3188 #endif /* USDT2 */ | |
| 0 | 3189 |
| 3190 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3191 JNIWrapper("NewString"); | |
| 4006 | 3192 #ifndef USDT2 |
| 0 | 3193 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3194 #else /* USDT2 */ |
| 3195 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3196 env, (uint16_t *) unicodeChars, len); | |
| 3197 #endif /* USDT2 */ | |
| 0 | 3198 jstring ret = NULL; |
| 3199 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3200 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3201 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3202 return ret; | |
| 3203 JNI_END | |
| 3204 | |
| 3205 | |
| 3206 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3207 JNIWrapper("GetStringLength"); | |
| 4006 | 3208 #ifndef USDT2 |
| 0 | 3209 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3210 #else /* USDT2 */ |
| 3211 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3212 env, string); | |
| 3213 #endif /* USDT2 */ | |
|
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3214 jsize ret = 0; |
|
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|
3215 oop s = JNIHandles::resolve_non_null(string); |
|
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|
3216 if (java_lang_String::value(s) != NULL) { |
|
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3217 ret = java_lang_String::length(s); |
|
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|
3218 } |
| 4006 | 3219 #ifndef USDT2 |
| 0 | 3220 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3221 #else /* USDT2 */ |
| 3222 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3223 ret); | |
| 3224 #endif /* USDT2 */ | |
| 0 | 3225 return ret; |
| 3226 JNI_END | |
| 3227 | |
| 3228 | |
| 3229 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3230 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3231 JNIWrapper("GetStringChars"); | |
| 4006 | 3232 #ifndef USDT2 |
| 0 | 3233 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3234 #else /* USDT2 */ |
| 3235 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3236 env, string, (uintptr_t *) isCopy); | |
| 3237 #endif /* USDT2 */ | |
|
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|
3238 jchar* buf = NULL; |
| 0 | 3239 oop s = JNIHandles::resolve_non_null(string); |
| 3240 typeArrayOop s_value = java_lang_String::value(s); | |
|
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3241 if (s_value != NULL) { |
|
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|
3242 int s_len = java_lang_String::length(s); |
|
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|
3243 int s_offset = java_lang_String::offset(s); |
|
f9be370a7d54
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|
3244 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
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|
3245 /* JNI Specification states return NULL on OOM */ |
|
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|
3246 if (buf != NULL) { |
|
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|
3247 if (s_len > 0) { |
|
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|
3248 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
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|
3249 } |
|
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|
3250 buf[s_len] = 0; |
|
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|
3251 //%note jni_5 |
|
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|
3252 if (isCopy != NULL) { |
|
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|
3253 *isCopy = JNI_TRUE; |
|
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|
3254 } |
|
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|
3255 } |
| 0 | 3256 } |
| 4006 | 3257 #ifndef USDT2 |
| 0 | 3258 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3259 #else /* USDT2 */ |
| 3260 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3261 buf); | |
| 3262 #endif /* USDT2 */ | |
| 0 | 3263 return buf; |
| 3264 JNI_END | |
| 3265 | |
| 3266 | |
| 3267 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3268 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3269 #ifndef USDT2 |
| 0 | 3270 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3271 #else /* USDT2 */ |
| 3272 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3273 env, str, (uint16_t *) chars); | |
| 3274 #endif /* USDT2 */ | |
| 0 | 3275 //%note jni_6 |
| 3276 if (chars != NULL) { | |
| 3277 // Since String objects are supposed to be immutable, don't copy any | |
| 3278 // new data back. A bad user will have to go after the char array. | |
| 3279 FreeHeap((void*) chars); | |
| 3280 } | |
| 4006 | 3281 #ifndef USDT2 |
| 0 | 3282 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3283 #else /* USDT2 */ |
| 3284 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3285 ); | |
| 3286 #endif /* USDT2 */ | |
| 0 | 3287 JNI_END |
| 3288 | |
| 3289 | |
| 3290 // UTF Interface | |
| 3291 | |
| 4006 | 3292 #ifndef USDT2 |
| 0 | 3293 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3294 #else /* USDT2 */ |
| 3295 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3296 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3297 #endif /* USDT2 */ | |
| 0 | 3298 |
| 3299 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3300 JNIWrapper("NewStringUTF"); | |
| 4006 | 3301 #ifndef USDT2 |
| 0 | 3302 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3303 #else /* USDT2 */ |
| 3304 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3305 env, (char *) bytes); | |
| 3306 #endif /* USDT2 */ | |
| 0 | 3307 jstring ret; |
| 3308 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3309 | |
| 3310 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3311 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3312 return ret; | |
| 3313 JNI_END | |
| 3314 | |
| 3315 | |
| 3316 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3317 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3318 #ifndef USDT2 |
| 0 | 3319 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3320 #else /* USDT2 */ |
| 3321 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3322 env, string); | |
| 3323 #endif /* USDT2 */ | |
|
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3324 jsize ret = 0; |
|
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|
3325 oop java_string = JNIHandles::resolve_non_null(string); |
|
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|
3326 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3327 ret = java_lang_String::utf8_length(java_string); |
|
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|
3328 } |
| 4006 | 3329 #ifndef USDT2 |
| 0 | 3330 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3331 #else /* USDT2 */ |
| 3332 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3333 ret); | |
| 3334 #endif /* USDT2 */ | |
| 0 | 3335 return ret; |
| 3336 JNI_END | |
| 3337 | |
| 3338 | |
| 3339 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3340 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3341 #ifndef USDT2 |
| 0 | 3342 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3343 #else /* USDT2 */ |
| 3344 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3345 env, string, (uintptr_t *) isCopy); | |
| 3346 #endif /* USDT2 */ | |
|
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|
3347 char* result = NULL; |
|
1989
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|
3348 oop java_string = JNIHandles::resolve_non_null(string); |
|
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3349 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3350 size_t length = java_lang_String::utf8_length(java_string); |
|
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|
3351 /* JNI Specification states return NULL on OOM */ |
|
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|
3352 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
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|
3353 if (result != NULL) { |
|
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|
3354 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
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|
3355 if (isCopy != NULL) { |
|
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|
3356 *isCopy = JNI_TRUE; |
|
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|
3357 } |
|
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|
3358 } |
|
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|
3359 } |
| 4006 | 3360 #ifndef USDT2 |
| 0 | 3361 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3362 #else /* USDT2 */ |
| 3363 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3364 result); | |
| 3365 #endif /* USDT2 */ | |
| 0 | 3366 return result; |
| 3367 JNI_END | |
| 3368 | |
| 3369 | |
| 3370 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3371 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3372 #ifndef USDT2 |
| 0 | 3373 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3374 #else /* USDT2 */ |
| 3375 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3376 env, str, (char *) chars); | |
| 3377 #endif /* USDT2 */ | |
| 0 | 3378 if (chars != NULL) { |
| 3379 FreeHeap((char*) chars); | |
| 3380 } | |
| 4006 | 3381 #ifndef USDT2 |
| 0 | 3382 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3383 #else /* USDT2 */ |
| 3384 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3385 ); | |
| 3386 #endif /* USDT2 */ | |
| 0 | 3387 JNI_END |
| 3388 | |
| 3389 | |
| 3390 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3391 JNIWrapper("GetArrayLength"); | |
| 4006 | 3392 #ifndef USDT2 |
| 0 | 3393 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3394 #else /* USDT2 */ |
| 3395 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3396 env, array); | |
| 3397 #endif /* USDT2 */ | |
| 0 | 3398 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3399 assert(a->is_array(), "must be array"); | |
| 3400 jsize ret = a->length(); | |
| 4006 | 3401 #ifndef USDT2 |
| 0 | 3402 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3403 #else /* USDT2 */ |
| 3404 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3405 ret); | |
| 3406 #endif /* USDT2 */ | |
| 0 | 3407 return ret; |
| 3408 JNI_END | |
| 3409 | |
| 3410 | |
| 3411 // | |
| 3412 // Object Array Operations | |
| 3413 // | |
| 3414 | |
| 4006 | 3415 #ifndef USDT2 |
| 0 | 3416 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3417 #else /* USDT2 */ |
| 3418 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3419 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3420 #endif /* USDT2 */ | |
| 0 | 3421 |
| 3422 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3423 JNIWrapper("NewObjectArray"); | |
| 4006 | 3424 #ifndef USDT2 |
| 0 | 3425 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3426 #else /* USDT2 */ |
| 3427 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3428 env, length, elementClass, initialElement); | |
| 3429 #endif /* USDT2 */ | |
| 0 | 3430 jobjectArray ret = NULL; |
| 3431 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
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|
3432 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3433 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3434 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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|
3435 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
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6725
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|
3436 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3437 oop initial_value = JNIHandles::resolve(initialElement); |
| 3438 if (initial_value != NULL) { // array already initialized with NULL | |
| 3439 for (int index = 0; index < length; index++) { | |
| 3440 result->obj_at_put(index, initial_value); | |
| 3441 } | |
| 3442 } | |
| 3443 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3444 return ret; | |
| 3445 JNI_END | |
| 3446 | |
| 4006 | 3447 #ifndef USDT2 |
| 0 | 3448 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3449 #else /* USDT2 */ |
| 3450 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3451 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3452 #endif /* USDT2 */ | |
| 0 | 3453 |
| 3454 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3455 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3456 #ifndef USDT2 |
| 0 | 3457 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3458 #else /* USDT2 */ |
| 3459 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3460 env, array, index); | |
| 3461 #endif /* USDT2 */ | |
| 0 | 3462 jobject ret = NULL; |
| 3463 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3464 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3465 if (a->is_within_bounds(index)) { | |
|
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diff
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|
3466 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3467 return ret; |
| 3468 } else { | |
| 3469 char buf[jintAsStringSize]; | |
| 3470 sprintf(buf, "%d", index); | |
| 3471 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3472 } | |
| 3473 JNI_END | |
| 3474 | |
| 4006 | 3475 #ifndef USDT2 |
| 0 | 3476 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3477 #else /* USDT2 */ |
| 3478 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3479 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3480 #endif /* USDT2 */ | |
| 0 | 3481 |
| 3482 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3483 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3484 #ifndef USDT2 |
| 0 | 3485 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3486 #else /* USDT2 */ |
| 3487 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3488 env, array, index, value); | |
| 3489 #endif /* USDT2 */ | |
| 0 | 3490 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3491 | |
| 3492 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3493 oop v = JNIHandles::resolve(value); | |
| 3494 if (a->is_within_bounds(index)) { | |
|
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|
3495 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3496 a->obj_at_put(index, v); |
| 3497 } else { | |
| 3498 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3499 } | |
| 3500 } else { | |
| 3501 char buf[jintAsStringSize]; | |
| 3502 sprintf(buf, "%d", index); | |
| 3503 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3504 } | |
| 3505 JNI_END | |
| 3506 | |
| 3507 | |
| 4006 | 3508 #ifndef USDT2 |
| 0 | 3509 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3510 \ | |
| 4006 | 3511 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3512 \ |
| 3513 JNI_ENTRY(Return, \ | |
| 3514 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3515 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3516 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3517 Return ret = NULL;\ | |
|
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|
3518 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3519 \ |
| 3520 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3521 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3522 return ret;\ | |
| 3523 JNI_END | |
| 3524 | |
| 3525 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3526 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3527 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3528 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3529 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3530 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3531 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3532 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3533 | |
| 4006 | 3534 #else /* USDT2 */ |
| 3535 | |
| 3536 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3537 ,EntryProbe,ReturnProbe) \ | |
| 3538 \ | |
| 3539 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3540 , ReturnProbe); \ | |
| 3541 \ | |
| 3542 JNI_ENTRY(Return, \ | |
| 3543 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3544 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3545 EntryProbe; \ | |
| 3546 Return ret = NULL;\ | |
| 3547 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3548 \ | |
| 3549 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3550 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3551 return ret;\ | |
| 3552 JNI_END | |
| 3553 | |
| 3554 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3555 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3556 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3557 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3558 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3559 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3560 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3561 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3562 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3563 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3564 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3565 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3566 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3567 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3568 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3569 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3570 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3571 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3572 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3573 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3574 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3575 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3576 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3577 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3578 #endif /* USDT2 */ | |
| 0 | 3579 |
| 3580 // Return an address which will fault if the caller writes to it. | |
| 3581 | |
| 3582 static char* get_bad_address() { | |
| 3583 static char* bad_address = NULL; | |
| 3584 if (bad_address == NULL) { | |
| 3585 size_t size = os::vm_allocation_granularity(); | |
| 3586 bad_address = os::reserve_memory(size); | |
| 3587 if (bad_address != NULL) { | |
|
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237
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|
3588 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
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237
diff
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|
3589 /*is_committed*/false); |
| 0 | 3590 } |
| 3591 } | |
| 3592 return bad_address; | |
| 3593 } | |
| 3594 | |
| 3595 | |
| 4006 | 3596 #ifndef USDT2 |
| 0 | 3597 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3598 \ | |
| 3599 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3600 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3601 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3602 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3603 /* allocate an chunk of memory in c land */ \ | |
| 3604 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3605 ElementType* result; \ | |
| 3606 int len = a->length(); \ | |
| 3607 if (len == 0) { \ | |
| 3608 /* Empty array: legal but useless, can't return NULL. \ | |
| 3609 * Return a pointer to something useless. \ | |
| 3610 * Avoid asserts in typeArrayOop. */ \ | |
| 3611 result = (ElementType*)get_bad_address(); \ | |
| 3612 } else { \ | |
|
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3613 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3614 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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|
3615 if (result != NULL) { \ |
|
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|
3616 /* copy the array to the c chunk */ \ |
|
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|
3617 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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|
3618 if (isCopy) { \ |
|
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|
3619 *isCopy = JNI_TRUE; \ |
|
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|
3620 } \ |
|
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|
3621 } \ |
| 0 | 3622 } \ |
| 3623 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3624 return result; \ | |
| 3625 JNI_END | |
| 3626 | |
| 3627 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3628 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3629 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3630 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3631 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3632 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3633 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3634 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3635 | |
| 4006 | 3636 #else /* USDT2 */ |
| 3637 | |
| 3638 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3639 , EntryProbe, ReturnProbe) \ | |
| 3640 \ | |
| 3641 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3642 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3643 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3644 EntryProbe; \ | |
| 3645 /* allocate an chunk of memory in c land */ \ | |
| 3646 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3647 ElementType* result; \ | |
| 3648 int len = a->length(); \ | |
| 3649 if (len == 0) { \ | |
| 3650 /* Empty array: legal but useless, can't return NULL. \ | |
| 3651 * Return a pointer to something useless. \ | |
| 3652 * Avoid asserts in typeArrayOop. */ \ | |
| 3653 result = (ElementType*)get_bad_address(); \ | |
| 3654 } else { \ | |
|
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3655 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3656 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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3657 if (result != NULL) { \ |
|
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|
3658 /* copy the array to the c chunk */ \ |
|
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|
3659 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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3660 if (isCopy) { \ |
|
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|
3661 *isCopy = JNI_TRUE; \ |
|
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|
3662 } \ |
|
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|
3663 } \ |
| 4006 | 3664 } \ |
| 3665 ReturnProbe; \ | |
| 3666 return result; \ | |
| 3667 JNI_END | |
| 3668 | |
| 3669 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3670 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3671 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3672 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3673 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3674 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3675 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3676 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3677 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3678 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3679 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3680 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3681 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3682 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3683 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3684 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3685 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3686 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3687 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3688 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3689 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3690 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3691 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3692 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3693 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3694 #endif /* USDT2 */ | |
| 3695 | |
| 3696 #ifndef USDT2 | |
| 0 | 3697 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3698 \ | |
| 3699 JNI_QUICK_ENTRY(void, \ | |
| 3700 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3701 ElementType *buf, jint mode)) \ | |
| 3702 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3703 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3704 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3705 int len = a->length(); \ | |
| 3706 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3707 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3708 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3709 } \ | |
| 3710 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3711 FreeHeap(buf); \ | |
| 3712 } \ | |
| 3713 } \ | |
| 3714 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3715 JNI_END | |
| 3716 | |
| 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3722 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3723 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3724 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3725 | |
| 4006 | 3726 #else /* USDT2 */ |
| 3727 | |
| 3728 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3729 , EntryProbe, ReturnProbe);\ | |
| 3730 \ | |
| 3731 JNI_QUICK_ENTRY(void, \ | |
| 3732 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3733 ElementType *buf, jint mode)) \ | |
| 3734 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3735 EntryProbe; \ | |
| 3736 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3737 int len = a->length(); \ | |
| 3738 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3739 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3740 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3741 } \ | |
| 3742 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3743 FreeHeap(buf); \ | |
| 3744 } \ | |
| 3745 } \ | |
| 3746 ReturnProbe; \ | |
| 3747 JNI_END | |
| 3748 | |
| 3749 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3750 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3751 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3752 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3753 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3754 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3755 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3756 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3757 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3758 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3759 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3760 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3761 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3762 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3763 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3764 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3765 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3766 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3767 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3768 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3769 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3770 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3771 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3772 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3773 #endif /* USDT2 */ | |
| 3774 | |
| 3775 #ifndef USDT2 | |
| 0 | 3776 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3777 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3778 \ | |
| 3779 JNI_ENTRY(void, \ | |
| 3780 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3781 jsize len, ElementType *buf)) \ | |
| 3782 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3783 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3784 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3785 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3786 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3787 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3788 } else { \ | |
| 3789 if (len > 0) { \ | |
|
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|
3790 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3791 memcpy((u_char*) buf, \ |
| 3792 (u_char*) src->Tag##_at_addr(start), \ | |
| 3793 len << sc); \ | |
| 3794 } \ | |
| 3795 } \ | |
| 3796 JNI_END | |
| 3797 | |
| 3798 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3800 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3801 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3802 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3803 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3804 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3805 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3806 | |
| 4006 | 3807 #else /* USDT2 */ |
| 3808 | |
| 3809 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3810 , EntryProbe, ReturnProbe); \ | |
| 3811 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3812 , ReturnProbe); \ | |
| 3813 \ | |
| 3814 JNI_ENTRY(void, \ | |
| 3815 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3816 jsize len, ElementType *buf)) \ | |
| 3817 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3818 EntryProbe; \ | |
| 3819 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3820 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3821 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3822 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3823 } else { \ | |
| 3824 if (len > 0) { \ | |
|
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|
3825 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3826 memcpy((u_char*) buf, \ |
| 3827 (u_char*) src->Tag##_at_addr(start), \ | |
| 3828 len << sc); \ | |
| 3829 } \ | |
| 3830 } \ | |
| 3831 JNI_END | |
| 3832 | |
| 3833 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3834 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3835 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3836 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3837 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3838 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3839 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3840 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3841 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3842 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3843 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3844 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3845 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3846 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3847 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3848 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3849 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3850 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3851 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3852 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3853 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3854 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3855 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3856 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3857 #endif /* USDT2 */ | |
| 3858 | |
| 3859 #ifndef USDT2 | |
| 0 | 3860 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3861 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3862 \ | |
| 3863 JNI_ENTRY(void, \ | |
| 3864 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3865 jsize len, const ElementType *buf)) \ | |
| 3866 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3867 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3868 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3869 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3870 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3871 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3872 } else { \ | |
| 3873 if (len > 0) { \ | |
|
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diff
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|
3874 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3875 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3876 (u_char*) buf, \ | |
| 3877 len << sc); \ | |
| 3878 } \ | |
| 3879 } \ | |
| 3880 JNI_END | |
| 3881 | |
| 3882 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3884 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3885 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3886 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3887 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3888 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3889 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3890 | |
| 4006 | 3891 #else /* USDT2 */ |
| 3892 | |
| 3893 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3894 , EntryProbe, ReturnProbe); \ | |
| 3895 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3896 ,ReturnProbe); \ | |
| 3897 \ | |
| 3898 JNI_ENTRY(void, \ | |
| 3899 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3900 jsize len, const ElementType *buf)) \ | |
| 3901 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3902 EntryProbe; \ | |
| 3903 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3904 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3905 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3906 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3907 } else { \ | |
| 3908 if (len > 0) { \ | |
|
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|
3909 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3910 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3911 (u_char*) buf, \ | |
| 3912 len << sc); \ | |
| 3913 } \ | |
| 3914 } \ | |
| 3915 JNI_END | |
| 3916 | |
| 3917 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3918 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3919 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3920 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3921 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3922 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3923 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3924 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3925 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3926 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3927 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3928 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3929 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3930 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3931 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3932 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3933 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3934 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3935 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3936 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3937 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3938 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3939 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3940 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3941 #endif /* USDT2 */ | |
| 3942 | |
| 0 | 3943 |
| 3944 // | |
| 3945 // Interception of natives | |
| 3946 // | |
| 3947 | |
| 3948 // The RegisterNatives call being attempted tried to register with a method that | |
| 3949 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3950 // to see if the native method is now wrapped with the prefixes. See the | |
| 3951 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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3952 static Method* find_prefixed_native(KlassHandle k, |
|
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3953 Symbol* name, Symbol* signature, TRAPS) { |
|
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3954 #if INCLUDE_JVMTI |
| 0 | 3955 ResourceMark rm(THREAD); |
|
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3956 Method* method; |
| 0 | 3957 int name_len = name->utf8_length(); |
| 3958 char* name_str = name->as_utf8(); | |
| 3959 int prefix_count; | |
| 3960 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3961 for (int i = 0; i < prefix_count; i++) { | |
| 3962 char* prefix = prefixes[i]; | |
| 3963 int prefix_len = (int)strlen(prefix); | |
| 3964 | |
| 3965 // try adding this prefix to the method name and see if it matches another method name | |
| 3966 int trial_len = name_len + prefix_len; | |
| 3967 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3968 strcpy(trial_name_str, prefix); | |
| 3969 strcat(trial_name_str, name_str); | |
|
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3970 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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|
3971 if (trial_name == NULL) { |
| 0 | 3972 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3973 } | |
| 6983 | 3974 method = k()->lookup_method(trial_name, signature); |
| 0 | 3975 if (method == NULL) { |
| 3976 continue; // signature doesn't match, try the next prefix | |
| 3977 } | |
| 3978 if (method->is_native()) { | |
| 3979 method->set_is_prefixed_native(); | |
| 3980 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3981 } | |
| 3982 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3983 name_len = trial_len; | |
| 3984 name_str = trial_name_str; | |
| 3985 } | |
|
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|
3986 #endif // INCLUDE_JVMTI |
| 0 | 3987 return NULL; // not found |
| 3988 } | |
| 3989 | |
|
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|
3990 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3991 Method* method = k()->lookup_method(name, signature); |
| 0 | 3992 if (method == NULL) { |
| 3993 ResourceMark rm; | |
| 3994 stringStream st; | |
| 3995 st.print("Method %s name or signature does not match", | |
| 6983 | 3996 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3997 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3998 } | |
| 3999 if (!method->is_native()) { | |
| 4000 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4001 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4002 if (method == NULL) { | |
| 4003 ResourceMark rm; | |
| 4004 stringStream st; | |
| 4005 st.print("Method %s is not declared as native", | |
| 6983 | 4006 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4007 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4008 } | |
| 4009 } | |
| 4010 | |
| 4011 if (entry != NULL) { | |
| 4012 method->set_native_function(entry, | |
|
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4013 Method::native_bind_event_is_interesting); |
| 0 | 4014 } else { |
| 4015 method->clear_native_function(); | |
| 4016 } | |
| 4017 if (PrintJNIResolving) { | |
| 4018 ResourceMark rm(THREAD); | |
| 4019 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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|
4020 method->method_holder()->external_name(), |
| 0 | 4021 method->name()->as_C_string()); |
| 4022 } | |
| 4023 return true; | |
| 4024 } | |
| 4025 | |
| 4006 | 4026 #ifndef USDT2 |
| 0 | 4027 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4028 #else /* USDT2 */ |
| 4029 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4030 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4031 #endif /* USDT2 */ | |
| 0 | 4032 |
| 4033 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4034 const JNINativeMethod *methods, | |
| 4035 jint nMethods)) | |
| 4036 JNIWrapper("RegisterNatives"); | |
| 4006 | 4037 #ifndef USDT2 |
| 0 | 4038 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4039 #else /* USDT2 */ |
| 4040 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4041 env, clazz, (void *) methods, nMethods); | |
| 4042 #endif /* USDT2 */ | |
| 0 | 4043 jint ret = 0; |
| 4044 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4045 | |
|
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|
4046 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4047 |
| 4048 for (int index = 0; index < nMethods; index++) { | |
| 4049 const char* meth_name = methods[index].name; | |
| 4050 const char* meth_sig = methods[index].signature; | |
| 4051 int meth_name_len = (int)strlen(meth_name); | |
| 4052 | |
| 4053 // The class should have been loaded (we have an instance of the class | |
| 4054 // passed in) so the method and signature should already be in the symbol | |
| 4055 // table. If they're not there, the method doesn't exist. | |
|
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|
4056 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
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|
4057 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
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|
4058 |
|
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|
4059 if (name == NULL || signature == NULL) { |
| 0 | 4060 ResourceMark rm; |
| 4061 stringStream st; | |
| 6983 | 4062 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4063 // Must return negative value on failure |
| 4064 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4065 } | |
| 4066 | |
| 4067 bool res = register_native(h_k, name, signature, | |
| 4068 (address) methods[index].fnPtr, THREAD); | |
| 4069 if (!res) { | |
| 4070 ret = -1; | |
| 4071 break; | |
| 4072 } | |
| 4073 } | |
| 4074 return ret; | |
| 4075 JNI_END | |
| 4076 | |
| 4077 | |
| 4078 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4079 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4080 #ifndef USDT2 |
| 0 | 4081 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4082 #else /* USDT2 */ |
| 4083 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4084 env, clazz); | |
| 4085 #endif /* USDT2 */ | |
|
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|
4086 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4087 //%note jni_2 |
| 6983 | 4088 if (k->oop_is_instance()) { |
|
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|
4089 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
4090 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4091 if (m->is_native()) { |
| 4092 m->clear_native_function(); | |
| 4093 m->set_signature_handler(NULL); | |
| 4094 } | |
| 4095 } | |
| 4096 } | |
| 4006 | 4097 #ifndef USDT2 |
| 0 | 4098 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4099 #else /* USDT2 */ |
| 4100 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4101 0); | |
| 4102 #endif /* USDT2 */ | |
| 0 | 4103 return 0; |
| 4104 JNI_END | |
| 4105 | |
| 4106 // | |
| 4107 // Monitor functions | |
| 4108 // | |
| 4109 | |
| 4006 | 4110 #ifndef USDT2 |
| 0 | 4111 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4112 #else /* USDT2 */ |
| 4113 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4114 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4115 #endif /* USDT2 */ | |
| 0 | 4116 |
| 4117 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4118 #ifndef USDT2 |
| 0 | 4119 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4120 #else /* USDT2 */ |
| 4121 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4122 env, jobj); | |
| 4123 #endif /* USDT2 */ | |
| 0 | 4124 jint ret = JNI_ERR; |
| 4125 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4126 | |
| 4127 // If the object is null, we can't do anything with it | |
| 4128 if (jobj == NULL) { | |
| 4129 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4130 } | |
| 4131 | |
| 4132 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4133 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4134 ret = JNI_OK; | |
| 4135 return ret; | |
| 4136 JNI_END | |
| 4137 | |
| 4006 | 4138 #ifndef USDT2 |
| 0 | 4139 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4140 #else /* USDT2 */ |
| 4141 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4142 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4143 #endif /* USDT2 */ | |
| 0 | 4144 |
| 4145 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4146 #ifndef USDT2 |
| 0 | 4147 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4148 #else /* USDT2 */ |
| 4149 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4150 env, jobj); | |
| 4151 #endif /* USDT2 */ | |
| 0 | 4152 jint ret = JNI_ERR; |
| 4153 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4154 | |
| 4155 // Don't do anything with a null object | |
| 4156 if (jobj == NULL) { | |
| 4157 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4158 } | |
| 4159 | |
| 4160 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4161 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4162 | |
| 4163 ret = JNI_OK; | |
| 4164 return ret; | |
| 4165 JNI_END | |
| 4166 | |
| 4167 // | |
| 4168 // Extensions | |
| 4169 // | |
| 4170 | |
| 4006 | 4171 #ifndef USDT2 |
| 0 | 4172 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4173 #else /* USDT2 */ |
| 4174 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4175 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4176 #endif /* USDT2 */ | |
| 0 | 4177 |
| 4178 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4179 JNIWrapper("GetStringRegion"); | |
| 4006 | 4180 #ifndef USDT2 |
| 0 | 4181 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4182 #else /* USDT2 */ |
| 4183 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4184 env, string, start, len, buf); | |
| 4185 #endif /* USDT2 */ | |
| 0 | 4186 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4187 oop s = JNIHandles::resolve_non_null(string); | |
| 4188 int s_len = java_lang_String::length(s); | |
| 4189 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4190 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4191 } else { | |
| 4192 if (len > 0) { | |
| 4193 int s_offset = java_lang_String::offset(s); | |
| 4194 typeArrayOop s_value = java_lang_String::value(s); | |
| 4195 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4196 } | |
| 4197 } | |
| 4198 JNI_END | |
| 4199 | |
| 4006 | 4200 #ifndef USDT2 |
| 0 | 4201 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4202 #else /* USDT2 */ |
| 4203 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4204 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4205 #endif /* USDT2 */ | |
| 0 | 4206 |
| 4207 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4208 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4209 #ifndef USDT2 |
| 0 | 4210 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4211 #else /* USDT2 */ |
| 4212 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4213 env, string, start, len, buf); | |
| 4214 #endif /* USDT2 */ | |
| 0 | 4215 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4216 oop s = JNIHandles::resolve_non_null(string); | |
| 4217 int s_len = java_lang_String::length(s); | |
| 4218 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4219 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4220 } else { | |
| 4221 //%note jni_7 | |
| 4222 if (len > 0) { | |
| 4223 ResourceMark rm(THREAD); | |
| 4224 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4225 int utf_len = (int)strlen(utf_region); | |
| 4226 memcpy(buf, utf_region, utf_len); | |
| 4227 buf[utf_len] = 0; | |
| 4228 } else { | |
| 4229 // JDK null-terminates the buffer even in len is zero | |
| 4230 if (buf != NULL) { | |
| 4231 buf[0] = 0; | |
| 4232 } | |
| 4233 } | |
| 4234 } | |
| 4235 JNI_END | |
| 4236 | |
| 4237 | |
| 4238 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4239 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4240 #ifndef USDT2 |
| 0 | 4241 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4242 #else /* USDT2 */ |
| 4243 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4244 env, array, (uintptr_t *) isCopy); | |
| 4245 #endif /* USDT2 */ | |
| 0 | 4246 GC_locker::lock_critical(thread); |
| 4247 if (isCopy != NULL) { | |
| 4248 *isCopy = JNI_FALSE; | |
| 4249 } | |
| 4250 oop a = JNIHandles::resolve_non_null(array); | |
| 4251 assert(a->is_array(), "just checking"); | |
| 4252 BasicType type; | |
| 4253 if (a->is_objArray()) { | |
| 4254 type = T_OBJECT; | |
| 4255 } else { | |
|
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|
4256 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4257 } |
| 4258 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4259 #ifndef USDT2 |
| 0 | 4260 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4261 #else /* USDT2 */ |
| 4262 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4263 ret); | |
| 4264 #endif /* USDT2 */ | |
| 0 | 4265 return ret; |
| 4266 JNI_END | |
| 4267 | |
| 4268 | |
| 4269 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4270 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4271 #ifndef USDT2 |
| 0 | 4272 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4273 #else /* USDT2 */ |
| 4274 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4275 env, array, carray, mode); | |
| 4276 #endif /* USDT2 */ | |
| 0 | 4277 // The array, carray and mode arguments are ignored |
| 4278 GC_locker::unlock_critical(thread); | |
| 4006 | 4279 #ifndef USDT2 |
| 0 | 4280 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4281 #else /* USDT2 */ |
| 4282 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4283 ); | |
| 4284 #endif /* USDT2 */ | |
| 0 | 4285 JNI_END |
| 4286 | |
| 4287 | |
| 4288 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4289 JNIWrapper("GetStringCritical"); | |
| 4006 | 4290 #ifndef USDT2 |
| 0 | 4291 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4292 #else /* USDT2 */ |
| 4293 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4294 env, string, (uintptr_t *) isCopy); | |
| 4295 #endif /* USDT2 */ | |
| 0 | 4296 GC_locker::lock_critical(thread); |
| 4297 if (isCopy != NULL) { | |
| 4298 *isCopy = JNI_FALSE; | |
| 4299 } | |
| 4300 oop s = JNIHandles::resolve_non_null(string); | |
| 4301 int s_len = java_lang_String::length(s); | |
| 4302 typeArrayOop s_value = java_lang_String::value(s); | |
| 4303 int s_offset = java_lang_String::offset(s); | |
| 4304 const jchar* ret; | |
| 4305 if (s_len > 0) { | |
| 4306 ret = s_value->char_at_addr(s_offset); | |
| 4307 } else { | |
| 4308 ret = (jchar*) s_value->base(T_CHAR); | |
| 4309 } | |
| 4006 | 4310 #ifndef USDT2 |
| 0 | 4311 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4312 #else /* USDT2 */ |
| 4313 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4314 (uint16_t *) ret); | |
| 4315 #endif /* USDT2 */ | |
| 0 | 4316 return ret; |
| 4317 JNI_END | |
| 4318 | |
| 4319 | |
| 4320 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4321 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4322 #ifndef USDT2 |
| 0 | 4323 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4324 #else /* USDT2 */ |
| 4325 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4326 env, str, (uint16_t *) chars); | |
| 4327 #endif /* USDT2 */ | |
| 0 | 4328 // The str and chars arguments are ignored |
| 4329 GC_locker::unlock_critical(thread); | |
| 4006 | 4330 #ifndef USDT2 |
| 0 | 4331 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4332 #else /* USDT2 */ |
| 4333 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4334 ); | |
| 4335 #endif /* USDT2 */ | |
| 0 | 4336 JNI_END |
| 4337 | |
| 4338 | |
| 4339 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4340 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4341 #ifndef USDT2 |
| 0 | 4342 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4343 #else /* USDT2 */ |
| 4344 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4345 env, ref); | |
| 4346 #endif /* USDT2 */ | |
| 0 | 4347 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4348 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4349 #ifndef USDT2 |
| 0 | 4350 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4351 #else /* USDT2 */ |
| 4352 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4353 ret); | |
| 4354 #endif /* USDT2 */ | |
| 0 | 4355 return ret; |
| 4356 JNI_END | |
| 4357 | |
| 4358 // Must be JNI_ENTRY (with HandleMark) | |
| 4359 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4360 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4361 #ifndef USDT2 |
| 0 | 4362 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4363 #else /* USDT2 */ |
| 4364 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4365 env, ref); | |
| 4366 #endif /* USDT2 */ | |
| 0 | 4367 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4368 #ifndef USDT2 |
| 0 | 4369 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4370 #else /* USDT2 */ |
| 4371 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4372 ); | |
| 4373 #endif /* USDT2 */ | |
| 0 | 4374 JNI_END |
| 4375 | |
| 4376 | |
| 4377 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4378 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4379 #ifndef USDT2 |
| 0 | 4380 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4381 #else /* USDT2 */ |
| 4382 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4383 env); | |
| 4384 #endif /* USDT2 */ | |
| 0 | 4385 jni_check_async_exceptions(thread); |
| 4386 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4387 #ifndef USDT2 |
| 0 | 4388 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4389 #else /* USDT2 */ |
| 4390 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4391 ret); | |
| 4392 #endif /* USDT2 */ | |
| 0 | 4393 return ret; |
| 4394 JNI_END | |
| 4395 | |
| 4396 | |
| 4397 // Initialization state for three routines below relating to | |
| 4398 // java.nio.DirectBuffers | |
| 4399 static jint directBufferSupportInitializeStarted = 0; | |
| 4400 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4401 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4402 static jclass bufferClass = NULL; | |
| 4403 static jclass directBufferClass = NULL; | |
| 4404 static jclass directByteBufferClass = NULL; | |
| 4405 static jmethodID directByteBufferConstructor = NULL; | |
| 4406 static jfieldID directBufferAddressField = NULL; | |
| 4407 static jfieldID bufferCapacityField = NULL; | |
| 4408 | |
| 4409 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4410 Handle loader; // null (bootstrap) loader | |
| 4411 Handle protection_domain; // null protection domain | |
| 4412 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4413 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4414 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4415 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4416 if (TraceClassResolution && result != NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4417 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
715dceaa89b7
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parents:
579
diff
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|
4418 } |
|
715dceaa89b7
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parents:
579
diff
changeset
|
4419 return result; |
| 0 | 4420 } |
| 4421 | |
| 4422 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4423 // circumvent any security checks that would be done by jni_FindClass. | |
| 4424 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4425 { | |
| 4426 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4427 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4428 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4429 return true; | |
| 4430 } | |
| 4431 JNI_END | |
| 4432 | |
| 4433 | |
| 4434 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4435 if (directBufferSupportInitializeFailed) { | |
| 4436 return false; | |
| 4437 } | |
| 4438 | |
| 4439 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4440 if (!lookupDirectBufferClasses(env)) { | |
| 4441 directBufferSupportInitializeFailed = 1; | |
| 4442 return false; | |
| 4443 } | |
| 4444 | |
| 4445 // Make global references for these | |
| 4446 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4447 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4448 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4449 | |
| 4450 // Get needed field and method IDs | |
| 4451 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4452 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4453 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4454 | |
| 4455 if ((directByteBufferConstructor == NULL) || | |
| 4456 (directBufferAddressField == NULL) || | |
| 4457 (bufferCapacityField == NULL)) { | |
| 4458 directBufferSupportInitializeFailed = 1; | |
| 4459 return false; | |
| 4460 } | |
| 4461 | |
| 4462 directBufferSupportInitializeEnded = 1; | |
| 4463 } else { | |
| 4464 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
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parents:
477
diff
changeset
|
4465 // 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
|
4466 // 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
|
4467 // 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
|
4468 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
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parents:
477
diff
changeset
|
4469 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
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parents:
477
diff
changeset
|
4470 ThreadInVMfromNative tivn(thread); |
| 0 | 4471 os::yield_all(); |
| 4472 } | |
| 4473 } | |
| 4474 | |
| 4475 return !directBufferSupportInitializeFailed; | |
| 4476 } | |
| 4477 | |
| 4478 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4479 { | |
| 4480 // thread_from_jni_environment() will block if VM is gone. | |
| 4481 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4482 | |
| 4483 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4484 #ifndef USDT2 |
| 0 | 4485 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4486 #else /* USDT2 */ |
| 4487 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4488 env, address, capacity); | |
| 4489 #endif /* USDT2 */ | |
| 0 | 4490 |
| 4491 if (!directBufferSupportInitializeEnded) { | |
| 4492 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4493 #ifndef USDT2 |
| 0 | 4494 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4495 #else /* USDT2 */ |
| 4496 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4497 NULL); | |
| 4498 #endif /* USDT2 */ | |
| 0 | 4499 return NULL; |
| 4500 } | |
| 4501 } | |
| 4502 | |
| 4503 // Being paranoid about accidental sign extension on address | |
| 4504 jlong addr = (jlong) ((uintptr_t) address); | |
| 4505 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4506 // takes int capacity | |
| 4507 jint cap = (jint) capacity; | |
| 4508 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4509 #ifndef USDT2 |
| 0 | 4510 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4511 #else /* USDT2 */ |
| 4512 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4513 ret); | |
| 4514 #endif /* USDT2 */ | |
| 0 | 4515 return ret; |
| 4516 } | |
| 4517 | |
| 4006 | 4518 #ifndef USDT2 |
| 0 | 4519 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4520 #else /* USDT2 */ |
| 4521 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4522 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4523 #endif /* USDT2 */ | |
| 0 | 4524 |
| 4525 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4526 { | |
| 4527 // thread_from_jni_environment() will block if VM is gone. | |
| 4528 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4529 | |
| 4530 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4531 #ifndef USDT2 |
| 0 | 4532 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4533 #else /* USDT2 */ |
| 4534 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4535 env, buf); | |
| 4536 #endif /* USDT2 */ | |
| 0 | 4537 void* ret = NULL; |
| 4538 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4539 | |
| 4540 if (!directBufferSupportInitializeEnded) { | |
| 4541 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4542 return 0; | |
| 4543 } | |
| 4544 } | |
| 4545 | |
| 4546 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4547 return 0; | |
| 4548 } | |
| 4549 | |
| 4550 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4551 return ret; | |
| 4552 } | |
| 4553 | |
| 4006 | 4554 #ifndef USDT2 |
| 0 | 4555 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4556 #else /* USDT2 */ |
| 4557 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4558 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4559 #endif /* USDT2 */ | |
| 0 | 4560 |
| 4561 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4562 { | |
| 4563 // thread_from_jni_environment() will block if VM is gone. | |
| 4564 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4565 | |
| 4566 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4567 #ifndef USDT2 |
| 0 | 4568 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4569 #else /* USDT2 */ |
| 4570 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4571 env, buf); | |
| 4572 #endif /* USDT2 */ | |
| 0 | 4573 jlong ret = -1; |
| 4574 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4575 | |
| 4576 if (!directBufferSupportInitializeEnded) { | |
| 4577 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4578 ret = 0; | |
| 4579 return ret; | |
| 4580 } | |
| 4581 } | |
| 4582 | |
| 4583 if (buf == NULL) { | |
| 4584 return -1; | |
| 4585 } | |
| 4586 | |
| 4587 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4588 return -1; | |
| 4589 } | |
| 4590 | |
| 4591 // NOTE that capacity is currently an int in the implementation | |
| 4592 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4593 return ret; | |
| 4594 } | |
| 4595 | |
| 4596 | |
| 4597 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4598 JNIWrapper("GetVersion"); | |
| 4006 | 4599 #ifndef USDT2 |
| 0 | 4600 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4601 #else /* USDT2 */ |
| 4602 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4603 env); | |
| 4604 #endif /* USDT2 */ | |
| 4605 #ifndef USDT2 | |
| 0 | 4606 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4607 #else /* USDT2 */ |
| 4608 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4609 CurrentVersion); | |
| 4610 #endif /* USDT2 */ | |
| 0 | 4611 return CurrentVersion; |
| 4612 JNI_END | |
| 4613 | |
| 4614 extern struct JavaVM_ main_vm; | |
| 4615 | |
| 4616 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4617 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4618 #ifndef USDT2 |
| 0 | 4619 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4620 #else /* USDT2 */ |
| 4621 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4622 env, (void **) vm); | |
| 4623 #endif /* USDT2 */ | |
| 0 | 4624 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4625 #ifndef USDT2 |
| 0 | 4626 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4627 #else /* USDT2 */ |
| 4628 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4629 JNI_OK); | |
| 4630 #endif /* USDT2 */ | |
| 0 | 4631 return JNI_OK; |
| 4632 JNI_END | |
| 4633 | |
| 4634 // Structure containing all jni functions | |
| 4635 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4636 NULL, | |
| 4637 NULL, | |
| 4638 NULL, | |
| 4639 | |
| 4640 NULL, | |
| 4641 | |
| 4642 jni_GetVersion, | |
| 4643 | |
| 4644 jni_DefineClass, | |
| 4645 jni_FindClass, | |
| 4646 | |
| 4647 jni_FromReflectedMethod, | |
| 4648 jni_FromReflectedField, | |
| 4649 | |
| 4650 jni_ToReflectedMethod, | |
| 4651 | |
| 4652 jni_GetSuperclass, | |
| 4653 jni_IsAssignableFrom, | |
| 4654 | |
| 4655 jni_ToReflectedField, | |
| 4656 | |
| 4657 jni_Throw, | |
| 4658 jni_ThrowNew, | |
| 4659 jni_ExceptionOccurred, | |
| 4660 jni_ExceptionDescribe, | |
| 4661 jni_ExceptionClear, | |
| 4662 jni_FatalError, | |
| 4663 | |
| 4664 jni_PushLocalFrame, | |
| 4665 jni_PopLocalFrame, | |
| 4666 | |
| 4667 jni_NewGlobalRef, | |
| 4668 jni_DeleteGlobalRef, | |
| 4669 jni_DeleteLocalRef, | |
| 4670 jni_IsSameObject, | |
| 4671 | |
| 4672 jni_NewLocalRef, | |
| 4673 jni_EnsureLocalCapacity, | |
| 4674 | |
| 4675 jni_AllocObject, | |
| 4676 jni_NewObject, | |
| 4677 jni_NewObjectV, | |
| 4678 jni_NewObjectA, | |
| 4679 | |
| 4680 jni_GetObjectClass, | |
| 4681 jni_IsInstanceOf, | |
| 4682 | |
| 4683 jni_GetMethodID, | |
| 4684 | |
| 4685 jni_CallObjectMethod, | |
| 4686 jni_CallObjectMethodV, | |
| 4687 jni_CallObjectMethodA, | |
| 4688 jni_CallBooleanMethod, | |
| 4689 jni_CallBooleanMethodV, | |
| 4690 jni_CallBooleanMethodA, | |
| 4691 jni_CallByteMethod, | |
| 4692 jni_CallByteMethodV, | |
| 4693 jni_CallByteMethodA, | |
| 4694 jni_CallCharMethod, | |
| 4695 jni_CallCharMethodV, | |
| 4696 jni_CallCharMethodA, | |
| 4697 jni_CallShortMethod, | |
| 4698 jni_CallShortMethodV, | |
| 4699 jni_CallShortMethodA, | |
| 4700 jni_CallIntMethod, | |
| 4701 jni_CallIntMethodV, | |
| 4702 jni_CallIntMethodA, | |
| 4703 jni_CallLongMethod, | |
| 4704 jni_CallLongMethodV, | |
| 4705 jni_CallLongMethodA, | |
| 4706 jni_CallFloatMethod, | |
| 4707 jni_CallFloatMethodV, | |
| 4708 jni_CallFloatMethodA, | |
| 4709 jni_CallDoubleMethod, | |
| 4710 jni_CallDoubleMethodV, | |
| 4711 jni_CallDoubleMethodA, | |
| 4712 jni_CallVoidMethod, | |
| 4713 jni_CallVoidMethodV, | |
| 4714 jni_CallVoidMethodA, | |
| 4715 | |
| 4716 jni_CallNonvirtualObjectMethod, | |
| 4717 jni_CallNonvirtualObjectMethodV, | |
| 4718 jni_CallNonvirtualObjectMethodA, | |
| 4719 jni_CallNonvirtualBooleanMethod, | |
| 4720 jni_CallNonvirtualBooleanMethodV, | |
| 4721 jni_CallNonvirtualBooleanMethodA, | |
| 4722 jni_CallNonvirtualByteMethod, | |
| 4723 jni_CallNonvirtualByteMethodV, | |
| 4724 jni_CallNonvirtualByteMethodA, | |
| 4725 jni_CallNonvirtualCharMethod, | |
| 4726 jni_CallNonvirtualCharMethodV, | |
| 4727 jni_CallNonvirtualCharMethodA, | |
| 4728 jni_CallNonvirtualShortMethod, | |
| 4729 jni_CallNonvirtualShortMethodV, | |
| 4730 jni_CallNonvirtualShortMethodA, | |
| 4731 jni_CallNonvirtualIntMethod, | |
| 4732 jni_CallNonvirtualIntMethodV, | |
| 4733 jni_CallNonvirtualIntMethodA, | |
| 4734 jni_CallNonvirtualLongMethod, | |
| 4735 jni_CallNonvirtualLongMethodV, | |
| 4736 jni_CallNonvirtualLongMethodA, | |
| 4737 jni_CallNonvirtualFloatMethod, | |
| 4738 jni_CallNonvirtualFloatMethodV, | |
| 4739 jni_CallNonvirtualFloatMethodA, | |
| 4740 jni_CallNonvirtualDoubleMethod, | |
| 4741 jni_CallNonvirtualDoubleMethodV, | |
| 4742 jni_CallNonvirtualDoubleMethodA, | |
| 4743 jni_CallNonvirtualVoidMethod, | |
| 4744 jni_CallNonvirtualVoidMethodV, | |
| 4745 jni_CallNonvirtualVoidMethodA, | |
| 4746 | |
| 4747 jni_GetFieldID, | |
| 4748 | |
| 4749 jni_GetObjectField, | |
| 4750 jni_GetBooleanField, | |
| 4751 jni_GetByteField, | |
| 4752 jni_GetCharField, | |
| 4753 jni_GetShortField, | |
| 4754 jni_GetIntField, | |
| 4755 jni_GetLongField, | |
| 4756 jni_GetFloatField, | |
| 4757 jni_GetDoubleField, | |
| 4758 | |
| 4759 jni_SetObjectField, | |
| 4760 jni_SetBooleanField, | |
| 4761 jni_SetByteField, | |
| 4762 jni_SetCharField, | |
| 4763 jni_SetShortField, | |
| 4764 jni_SetIntField, | |
| 4765 jni_SetLongField, | |
| 4766 jni_SetFloatField, | |
| 4767 jni_SetDoubleField, | |
| 4768 | |
| 4769 jni_GetStaticMethodID, | |
| 4770 | |
| 4771 jni_CallStaticObjectMethod, | |
| 4772 jni_CallStaticObjectMethodV, | |
| 4773 jni_CallStaticObjectMethodA, | |
| 4774 jni_CallStaticBooleanMethod, | |
| 4775 jni_CallStaticBooleanMethodV, | |
| 4776 jni_CallStaticBooleanMethodA, | |
| 4777 jni_CallStaticByteMethod, | |
| 4778 jni_CallStaticByteMethodV, | |
| 4779 jni_CallStaticByteMethodA, | |
| 4780 jni_CallStaticCharMethod, | |
| 4781 jni_CallStaticCharMethodV, | |
| 4782 jni_CallStaticCharMethodA, | |
| 4783 jni_CallStaticShortMethod, | |
| 4784 jni_CallStaticShortMethodV, | |
| 4785 jni_CallStaticShortMethodA, | |
| 4786 jni_CallStaticIntMethod, | |
| 4787 jni_CallStaticIntMethodV, | |
| 4788 jni_CallStaticIntMethodA, | |
| 4789 jni_CallStaticLongMethod, | |
| 4790 jni_CallStaticLongMethodV, | |
| 4791 jni_CallStaticLongMethodA, | |
| 4792 jni_CallStaticFloatMethod, | |
| 4793 jni_CallStaticFloatMethodV, | |
| 4794 jni_CallStaticFloatMethodA, | |
| 4795 jni_CallStaticDoubleMethod, | |
| 4796 jni_CallStaticDoubleMethodV, | |
| 4797 jni_CallStaticDoubleMethodA, | |
| 4798 jni_CallStaticVoidMethod, | |
| 4799 jni_CallStaticVoidMethodV, | |
| 4800 jni_CallStaticVoidMethodA, | |
| 4801 | |
| 4802 jni_GetStaticFieldID, | |
| 4803 | |
| 4804 jni_GetStaticObjectField, | |
| 4805 jni_GetStaticBooleanField, | |
| 4806 jni_GetStaticByteField, | |
| 4807 jni_GetStaticCharField, | |
| 4808 jni_GetStaticShortField, | |
| 4809 jni_GetStaticIntField, | |
| 4810 jni_GetStaticLongField, | |
| 4811 jni_GetStaticFloatField, | |
| 4812 jni_GetStaticDoubleField, | |
| 4813 | |
| 4814 jni_SetStaticObjectField, | |
| 4815 jni_SetStaticBooleanField, | |
| 4816 jni_SetStaticByteField, | |
| 4817 jni_SetStaticCharField, | |
| 4818 jni_SetStaticShortField, | |
| 4819 jni_SetStaticIntField, | |
| 4820 jni_SetStaticLongField, | |
| 4821 jni_SetStaticFloatField, | |
| 4822 jni_SetStaticDoubleField, | |
| 4823 | |
| 4824 jni_NewString, | |
| 4825 jni_GetStringLength, | |
| 4826 jni_GetStringChars, | |
| 4827 jni_ReleaseStringChars, | |
| 4828 | |
| 4829 jni_NewStringUTF, | |
| 4830 jni_GetStringUTFLength, | |
| 4831 jni_GetStringUTFChars, | |
| 4832 jni_ReleaseStringUTFChars, | |
| 4833 | |
| 4834 jni_GetArrayLength, | |
| 4835 | |
| 4836 jni_NewObjectArray, | |
| 4837 jni_GetObjectArrayElement, | |
| 4838 jni_SetObjectArrayElement, | |
| 4839 | |
| 4840 jni_NewBooleanArray, | |
| 4841 jni_NewByteArray, | |
| 4842 jni_NewCharArray, | |
| 4843 jni_NewShortArray, | |
| 4844 jni_NewIntArray, | |
| 4845 jni_NewLongArray, | |
| 4846 jni_NewFloatArray, | |
| 4847 jni_NewDoubleArray, | |
| 4848 | |
| 4849 jni_GetBooleanArrayElements, | |
| 4850 jni_GetByteArrayElements, | |
| 4851 jni_GetCharArrayElements, | |
| 4852 jni_GetShortArrayElements, | |
| 4853 jni_GetIntArrayElements, | |
| 4854 jni_GetLongArrayElements, | |
| 4855 jni_GetFloatArrayElements, | |
| 4856 jni_GetDoubleArrayElements, | |
| 4857 | |
| 4858 jni_ReleaseBooleanArrayElements, | |
| 4859 jni_ReleaseByteArrayElements, | |
| 4860 jni_ReleaseCharArrayElements, | |
| 4861 jni_ReleaseShortArrayElements, | |
| 4862 jni_ReleaseIntArrayElements, | |
| 4863 jni_ReleaseLongArrayElements, | |
| 4864 jni_ReleaseFloatArrayElements, | |
| 4865 jni_ReleaseDoubleArrayElements, | |
| 4866 | |
| 4867 jni_GetBooleanArrayRegion, | |
| 4868 jni_GetByteArrayRegion, | |
| 4869 jni_GetCharArrayRegion, | |
| 4870 jni_GetShortArrayRegion, | |
| 4871 jni_GetIntArrayRegion, | |
| 4872 jni_GetLongArrayRegion, | |
| 4873 jni_GetFloatArrayRegion, | |
| 4874 jni_GetDoubleArrayRegion, | |
| 4875 | |
| 4876 jni_SetBooleanArrayRegion, | |
| 4877 jni_SetByteArrayRegion, | |
| 4878 jni_SetCharArrayRegion, | |
| 4879 jni_SetShortArrayRegion, | |
| 4880 jni_SetIntArrayRegion, | |
| 4881 jni_SetLongArrayRegion, | |
| 4882 jni_SetFloatArrayRegion, | |
| 4883 jni_SetDoubleArrayRegion, | |
| 4884 | |
| 4885 jni_RegisterNatives, | |
| 4886 jni_UnregisterNatives, | |
| 4887 | |
| 4888 jni_MonitorEnter, | |
| 4889 jni_MonitorExit, | |
| 4890 | |
| 4891 jni_GetJavaVM, | |
| 4892 | |
| 4893 jni_GetStringRegion, | |
| 4894 jni_GetStringUTFRegion, | |
| 4895 | |
| 4896 jni_GetPrimitiveArrayCritical, | |
| 4897 jni_ReleasePrimitiveArrayCritical, | |
| 4898 | |
| 4899 jni_GetStringCritical, | |
| 4900 jni_ReleaseStringCritical, | |
| 4901 | |
| 4902 jni_NewWeakGlobalRef, | |
| 4903 jni_DeleteWeakGlobalRef, | |
| 4904 | |
| 4905 jni_ExceptionCheck, | |
| 4906 | |
| 4907 jni_NewDirectByteBuffer, | |
| 4908 jni_GetDirectBufferAddress, | |
| 4909 jni_GetDirectBufferCapacity, | |
| 4910 | |
| 4911 // New 1_6 features | |
| 4912 | |
| 4913 jni_GetObjectRefType | |
| 4914 }; | |
| 4915 | |
| 4916 | |
| 4917 // For jvmti use to modify jni function table. | |
| 4918 // Java threads in native contiues to run until it is transitioned | |
| 4919 // to VM at safepoint. Before the transition or before it is blocked | |
| 4920 // for safepoint it may access jni function table. VM could crash if | |
| 4921 // any java thread access the jni function table in the middle of memcpy. | |
| 4922 // To avoid this each function pointers are copied automically. | |
| 4923 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4924 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4925 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4926 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4927 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4928 Atomic::store_ptr(*b++, a++); | |
| 4929 } | |
| 4930 } | |
| 4931 | |
| 4932 void quicken_jni_functions() { | |
| 4933 // Replace Get<Primitive>Field with fast versions | |
| 4934 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4935 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4936 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4937 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4938 // versions currently isn't certain for server vm on uniprocessor. | |
| 4939 && os::is_MP() | |
| 4940 #endif | |
| 4941 ) { | |
| 4942 address func; | |
| 4943 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4944 if (func != (address)-1) { | |
| 4945 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4946 } | |
| 4947 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4948 if (func != (address)-1) { | |
| 4949 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4950 } | |
| 4951 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4952 if (func != (address)-1) { | |
| 4953 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4954 } | |
| 4955 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4956 if (func != (address)-1) { | |
| 4957 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4958 } | |
| 4959 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4960 if (func != (address)-1) { | |
| 4961 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4962 } | |
| 4963 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4964 if (func != (address)-1) { | |
| 4965 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4966 } | |
| 4967 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4968 if (func != (address)-1) { | |
| 4969 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4970 } | |
| 4971 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4972 if (func != (address)-1) { | |
| 4973 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4974 } | |
| 4975 } | |
| 4976 } | |
| 4977 | |
| 4978 // Returns the function structure | |
| 4979 struct JNINativeInterface_* jni_functions() { | |
|
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|
4980 #if INCLUDE_JNI_CHECK |
| 0 | 4981 if (CheckJNICalls) return jni_functions_check(); |
|
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|
4982 #endif // INCLUDE_JNI_CHECK |
| 0 | 4983 return &jni_NativeInterface; |
| 4984 } | |
| 4985 | |
| 4986 // Returns the function structure | |
| 4987 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4988 return &jni_NativeInterface; | |
| 4989 } | |
| 4990 | |
| 4991 | |
| 4992 // Invocation API | |
| 4993 | |
| 4994 | |
| 4995 // Forward declaration | |
| 4996 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4997 | |
| 4998 // Global invocation API vars | |
| 4999 volatile jint vm_created = 0; | |
| 5000 // Indicate whether it is safe to recreate VM | |
| 5001 volatile jint safe_to_recreate_vm = 1; | |
| 5002 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5003 | |
| 5004 | |
| 5005 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5006 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5007 | |
| 4006 | 5008 #ifndef USDT2 |
| 0 | 5009 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5010 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5011 #else /* USDT2 */ |
| 5012 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5013 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5014 #endif /* USDT2 */ | |
| 0 | 5015 |
| 5016 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5017 #ifndef USDT2 |
| 0 | 5018 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5019 #else /* USDT2 */ |
| 5020 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5021 args_); | |
| 5022 #endif /* USDT2 */ | |
| 0 | 5023 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5024 jint ret = JNI_ERR; | |
| 5025 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5026 | |
| 5027 if (Threads::is_supported_jni_version(args->version)) { | |
| 5028 ret = JNI_OK; | |
| 5029 } | |
| 5030 // 1.1 style no longer supported in hotspot. | |
| 5031 // According the JNI spec, we should update args->version on return. | |
| 5032 // We also use the structure to communicate with launcher about default | |
| 5033 // stack size. | |
| 5034 if (args->version == JNI_VERSION_1_1) { | |
| 5035 args->version = JNI_VERSION_1_2; | |
| 5036 // javaStackSize is int in arguments structure | |
| 5037 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5038 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5039 } | |
| 5040 return ret; | |
| 5041 } | |
| 5042 | |
| 3779 | 5043 #ifndef PRODUCT |
| 5044 | |
| 10405 | 5045 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5046 #include "gc_interface/collectedHeap.hpp" |
|
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|
5047 #if INCLUDE_ALL_GCS |
|
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|
5048 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
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|
5049 #endif |
| 3779 | 5050 #include "utilities/quickSort.hpp" |
| 12215 | 5051 #include "utilities/ostream.hpp" |
| 7171 | 5052 #if INCLUDE_VM_STRUCTS |
| 5053 #include "runtime/vmStructs.hpp" | |
| 5054 #endif | |
| 3779 | 5055 |
| 4708 | 5056 #define run_unit_test(unit_test_function_call) \ |
| 5057 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5058 unit_test_function_call | |
| 5059 | |
|
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|
5060 // Forward declaration |
|
4c84d351cca9
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|
5061 void TestReservedSpace_test(); |
|
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|
5062 void TestReserveMemorySpecial_test(); |
|
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|
5063 void TestVirtualSpace_test(); |
|
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|
5064 void TestMetaspaceAux_test(); |
| 12902 | 5065 void TestMetachunk_test(); |
|
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|
5066 void TestVirtualSpaceNode_test(); |
|
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|
5067 #if INCLUDE_ALL_GCS |
|
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|
5068 void TestG1BiasedArray_test(); |
|
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|
5069 #endif |
|
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|
5070 |
| 3779 | 5071 void execute_internal_vm_tests() { |
| 5072 if (ExecuteInternalVMTests) { | |
| 4708 | 5073 tty->print_cr("Running internal VM tests"); |
|
12110
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changeset
|
5074 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
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|
5075 run_unit_test(TestReserveMemorySpecial_test()); |
|
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|
5076 run_unit_test(TestVirtualSpace_test()); |
|
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changeset
|
5077 run_unit_test(TestMetaspaceAux_test()); |
| 12902 | 5078 run_unit_test(TestMetachunk_test()); |
|
12979
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|
5079 run_unit_test(TestVirtualSpaceNode_test()); |
|
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|
5080 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5081 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5082 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5083 run_unit_test(CollectedHeap::test_is_in()); | |
| 5084 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5085 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 5086 run_unit_test(test_loggc_filename()); |
| 7171 | 5087 #if INCLUDE_VM_STRUCTS |
| 5088 run_unit_test(VMStructs::test()); | |
| 5089 #endif | |
|
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|
5090 #if INCLUDE_ALL_GCS |
|
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|
5091 run_unit_test(TestG1BiasedArray_test()); |
|
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|
5092 run_unit_test(HeapRegionRemSet::test_prt()); |
|
6702da6b6082
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|
5093 #endif |
|
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diff
changeset
|
5094 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5095 } |
| 5096 } | |
| 5097 | |
| 4708 | 5098 #undef run_unit_test |
| 5099 | |
| 3779 | 5100 #endif |
| 5101 | |
| 4006 | 5102 #ifndef USDT2 |
| 0 | 5103 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5104 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5105 #else /* USDT2 */ |
| 5106 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5107 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5108 #endif /* USDT2 */ | |
| 0 | 5109 |
| 5110 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5111 #ifndef USDT2 |
| 0 | 5112 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5113 #else /* USDT2 */ |
| 5114 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5115 (void **) vm, penv, args); | |
| 5116 #endif /* USDT2 */ | |
| 0 | 5117 |
| 5118 jint result = JNI_ERR; | |
| 5119 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5120 | |
| 1078 | 5121 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5122 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5123 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5124 // on all architectures. So we check it works before relying on it. | |
| 5125 #if defined(ZERO) && defined(ASSERT) | |
| 5126 { | |
| 5127 jint a = 0xcafebabe; | |
| 5128 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5129 void *c = &a; | |
| 5130 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5131 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5132 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5133 } | |
| 5134 #endif // ZERO && ASSERT | |
| 5135 | |
| 0 | 5136 // At the moment it's only possible to have one Java VM, |
| 5137 // since some of the runtime state is in global variables. | |
| 5138 | |
| 5139 // We cannot use our mutex locks here, since they only work on | |
| 5140 // Threads. We do an atomic compare and exchange to ensure only | |
| 5141 // one thread can call this method at a time | |
| 5142 | |
| 5143 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5144 // the add/dec implementations are dependent on whether we are running | |
| 5145 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5146 // function used to determine this will always return false. Atomic::xchg | |
| 5147 // does not have this problem. | |
| 5148 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
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|
5149 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5150 } |
| 5151 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5152 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5153 } | |
| 5154 | |
| 5155 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5156 | |
| 5157 /** | |
| 5158 * Certain errors during initialization are recoverable and do not | |
| 5159 * prevent this method from being called again at a later time | |
| 5160 * (perhaps with different arguments). However, at a certain | |
| 5161 * point during initialization if an error occurs we cannot allow | |
| 5162 * this function to be called again (or it will crash). In those | |
| 5163 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5164 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5165 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5166 */ | |
| 5167 bool can_try_again = true; | |
| 5168 | |
| 5169 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5170 if (result == JNI_OK) { | |
| 5171 JavaThread *thread = JavaThread::current(); | |
| 5172 /* thread is thread_in_vm here */ | |
| 5173 *vm = (JavaVM *)(&main_vm); | |
| 5174 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5175 | |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5176 #ifdef GRAAL |
|
12356
359f7e70ae7f
Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12355
diff
changeset
|
5177 // GraalCompiler needs to have been created in compileBroker.cpp |
|
7126
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
5178 GraalCompiler* graal_compiler = GraalCompiler::instance(); |
|
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
5179 graal_compiler->initialize(); |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5180 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5181 |
| 0 | 5182 // Tracks the time application was running before GC |
| 5183 RuntimeService::record_application_start(); | |
| 5184 | |
| 5185 // Notify JVMTI | |
| 5186 if (JvmtiExport::should_post_thread_life()) { | |
| 5187 JvmtiExport::post_thread_start(thread); | |
| 5188 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5189 |
| 10405 | 5190 EventThreadStart event; |
| 5191 if (event.should_commit()) { | |
| 5192 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5193 event.commit(); | |
| 5194 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5195 |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5196 #ifndef PRODUCT |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5197 #ifndef TARGET_OS_FAMILY_windows |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5198 #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
|
5199 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5200 |
| 0 | 5201 // 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
|
5202 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
|
5203 if (ReplayCompiles) ciReplay::replay(thread); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5204 |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5205 // 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
|
5206 // 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
|
5207 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
|
5208 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
|
5209 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5210 |
| 0 | 5211 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5212 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5213 } else { | |
| 5214 if (can_try_again) { | |
| 5215 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5216 safe_to_recreate_vm = 1; | |
| 5217 } | |
| 5218 | |
| 5219 // Creation failed. We must reset vm_created | |
| 5220 *vm = 0; | |
| 5221 *(JNIEnv**)penv = 0; | |
| 5222 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5223 // control both compiler and architectural-based reordering. | |
| 5224 OrderAccess::release_store(&vm_created, 0); | |
| 5225 } | |
| 5226 | |
| 5227 return result; | |
| 5228 } | |
| 5229 | |
| 4006 | 5230 #ifndef USDT2 |
| 0 | 5231 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5232 JavaVM**, jsize, jsize*); | |
| 5233 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5234 #endif /* !USDT2 */ |
| 0 | 5235 |
| 5236 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5237 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5238 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5239 #ifndef USDT2 |
| 0 | 5240 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5241 vm_buf, bufLen, numVMs); | |
| 4006 | 5242 #else /* USDT2 */ |
| 5243 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5244 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5245 #endif /* USDT2 */ | |
| 0 | 5246 if (vm_created) { |
| 5247 if (numVMs != NULL) *numVMs = 1; | |
| 5248 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5249 } else { | |
| 5250 if (numVMs != NULL) *numVMs = 0; | |
| 5251 } | |
| 4006 | 5252 #ifndef USDT2 |
| 0 | 5253 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5254 #else /* USDT2 */ |
| 5255 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5256 JNI_OK); | |
| 5257 #endif /* USDT2 */ | |
| 0 | 5258 return JNI_OK; |
| 5259 } | |
| 5260 | |
| 5261 extern "C" { | |
| 5262 | |
| 4006 | 5263 #ifndef USDT2 |
| 0 | 5264 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5265 #else /* USDT2 */ |
| 5266 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5267 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5268 #endif /* USDT2 */ | |
| 0 | 5269 |
| 5270 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5271 #ifndef USDT2 |
| 0 | 5272 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5273 #else /* USDT2 */ |
| 5274 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5275 vm); | |
| 5276 #endif /* USDT2 */ | |
| 0 | 5277 jint res = JNI_ERR; |
| 5278 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5279 | |
| 5280 if (!vm_created) { | |
| 5281 res = JNI_ERR; | |
| 5282 return res; | |
| 5283 } | |
| 5284 | |
| 5285 JNIWrapper("DestroyJavaVM"); | |
| 5286 JNIEnv *env; | |
| 5287 JavaVMAttachArgs destroyargs; | |
| 5288 destroyargs.version = CurrentVersion; | |
| 5289 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5290 destroyargs.group = NULL; | |
| 5291 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5292 if (res != JNI_OK) { | |
| 5293 return res; | |
| 5294 } | |
| 5295 | |
| 5296 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5297 JavaThread* thread = JavaThread::current(); | |
| 5298 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5299 if (Threads::destroy_vm()) { | |
| 5300 // Should not change thread state, VM is gone | |
| 5301 vm_created = false; | |
| 5302 res = JNI_OK; | |
| 5303 return res; | |
| 5304 } else { | |
| 5305 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5306 res = JNI_ERR; | |
| 5307 return res; | |
| 5308 } | |
| 5309 } | |
| 5310 | |
| 5311 | |
| 5312 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5313 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5314 | |
| 5315 // Check below commented out from JDK1.2fcs as well | |
| 5316 /* | |
| 5317 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5318 return JNI_EVERSION; | |
| 5319 } | |
| 5320 */ | |
| 5321 | |
| 5322 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5323 if (t != NULL) { | |
| 5324 // If the thread has been attached this operation is a no-op | |
| 5325 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5326 return JNI_OK; | |
| 5327 } | |
| 5328 | |
| 5329 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5330 // ThreadsListEnumerator - see CR 6404306 | |
| 5331 JavaThread* thread = new JavaThread(true); | |
| 5332 | |
| 5333 // Set correct safepoint info. The thread is going to call into Java when | |
| 5334 // initializing the Java level thread object. Hence, the correct state must | |
| 5335 // be set in order for the Safepoint code to deal with it correctly. | |
| 5336 thread->set_thread_state(_thread_in_vm); | |
| 5337 // Must do this before initialize_thread_local_storage | |
| 5338 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
|
5339 |
| 0 | 5340 thread->initialize_thread_local_storage(); |
| 5341 | |
| 5342 if (!os::create_attached_thread(thread)) { | |
| 5343 delete thread; | |
| 5344 return JNI_ERR; | |
| 5345 } | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5346 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5347 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5348 |
| 0 | 5349 thread->initialize_tlab(); |
| 5350 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5351 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5352 |
| 0 | 5353 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5354 // not been added to the Thread list yet. | |
| 5355 { Threads_lock->lock_without_safepoint_check(); | |
| 5356 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5357 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5358 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5359 Threads::add(thread, daemon); | |
| 5360 Threads_lock->unlock(); | |
| 5361 } | |
| 5362 // Create thread group and name info from attach arguments | |
| 5363 oop group = NULL; | |
| 5364 char* thread_name = NULL; | |
| 5365 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5366 group = JNIHandles::resolve(args->group); | |
| 5367 thread_name = args->name; // may be NULL | |
| 5368 } | |
| 5369 if (group == NULL) group = Universe::main_thread_group(); | |
| 5370 | |
| 5371 // Create Java level thread object and attach it to this thread | |
| 5372 bool attach_failed = false; | |
| 5373 { | |
| 5374 EXCEPTION_MARK; | |
| 5375 HandleMark hm(THREAD); | |
| 5376 Handle thread_group(THREAD, group); | |
| 5377 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5378 if (HAS_PENDING_EXCEPTION) { | |
| 5379 CLEAR_PENDING_EXCEPTION; | |
| 5380 // cleanup outside the handle mark. | |
| 5381 attach_failed = true; | |
| 5382 } | |
| 5383 } | |
| 5384 | |
| 5385 if (attach_failed) { | |
| 5386 // Added missing cleanup | |
| 5387 thread->cleanup_failed_attach_current_thread(); | |
| 5388 return JNI_ERR; | |
| 5389 } | |
| 5390 | |
| 5391 // mark the thread as no longer attaching | |
| 5392 // this uses a fence to push the change through so we don't have | |
| 5393 // to regrab the threads_lock | |
| 4006 | 5394 thread->set_done_attaching_via_jni(); |
| 0 | 5395 |
| 5396 // Set java thread status. | |
| 5397 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5398 java_lang_Thread::RUNNABLE); | |
| 5399 | |
| 5400 // Notify the debugger | |
| 5401 if (JvmtiExport::should_post_thread_life()) { | |
| 5402 JvmtiExport::post_thread_start(thread); | |
| 5403 } | |
| 5404 | |
| 10405 | 5405 EventThreadStart event; |
| 5406 if (event.should_commit()) { | |
| 5407 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5408 event.commit(); | |
| 5409 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5410 |
| 0 | 5411 *(JNIEnv**)penv = thread->jni_environment(); |
| 5412 | |
| 5413 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5414 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5415 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5416 // needed. | |
| 5417 | |
| 5418 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5419 | |
| 5420 // Perform any platform dependent FPU setup | |
| 5421 os::setup_fpu(); | |
| 5422 | |
| 5423 return JNI_OK; | |
| 5424 } | |
| 5425 | |
| 5426 | |
| 5427 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5428 #ifndef USDT2 |
| 0 | 5429 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5430 #else /* USDT2 */ |
| 5431 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5432 vm, penv, _args); | |
| 5433 #endif /* USDT2 */ | |
| 0 | 5434 if (!vm_created) { |
| 4006 | 5435 #ifndef USDT2 |
| 0 | 5436 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5437 #else /* USDT2 */ |
| 5438 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5439 (uint32_t) JNI_ERR); | |
| 5440 #endif /* USDT2 */ | |
| 0 | 5441 return JNI_ERR; |
| 5442 } | |
| 5443 | |
| 5444 JNIWrapper("AttachCurrentThread"); | |
| 5445 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5446 #ifndef USDT2 |
| 0 | 5447 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5448 #else /* USDT2 */ |
| 5449 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5450 ret); | |
| 5451 #endif /* USDT2 */ | |
| 0 | 5452 return ret; |
| 5453 } | |
| 5454 | |
| 5455 | |
| 5456 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5457 #ifndef USDT2 |
| 0 | 5458 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5459 #else /* USDT2 */ |
| 5460 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5461 vm); | |
| 5462 #endif /* USDT2 */ | |
| 0 | 5463 VM_Exit::block_if_vm_exited(); |
| 5464 | |
| 5465 JNIWrapper("DetachCurrentThread"); | |
| 5466 | |
| 5467 // If the thread has been deattacted the operations is a no-op | |
| 5468 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5469 #ifndef USDT2 |
| 0 | 5470 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5471 #else /* USDT2 */ |
| 5472 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5473 JNI_OK); | |
| 5474 #endif /* USDT2 */ | |
| 0 | 5475 return JNI_OK; |
| 5476 } | |
| 5477 | |
| 5478 JavaThread* thread = JavaThread::current(); | |
| 5479 if (thread->has_last_Java_frame()) { | |
| 4006 | 5480 #ifndef USDT2 |
| 0 | 5481 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5482 #else /* USDT2 */ |
| 5483 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5484 (uint32_t) JNI_ERR); | |
| 5485 #endif /* USDT2 */ | |
| 0 | 5486 // Can't detach a thread that's running java, that can't work. |
| 5487 return JNI_ERR; | |
| 5488 } | |
| 5489 | |
| 5490 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5491 // middel of a safepoint operation | |
| 5492 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5493 | |
| 5494 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5495 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5496 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5497 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5498 // the removal of the guards is buried below in JavaThread::exit() | |
| 5499 // here. The abstraction should be more symmetrically either exposed | |
| 5500 // or hidden (e.g. it could probably be hidden in the same | |
| 5501 // (platform-dependent) methods where we do alternate stack | |
| 5502 // maintenance work?) | |
| 5503 thread->exit(false, JavaThread::jni_detach); | |
| 5504 delete thread; | |
| 5505 | |
| 4006 | 5506 #ifndef USDT2 |
| 0 | 5507 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5508 #else /* USDT2 */ |
| 5509 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5510 JNI_OK); | |
| 5511 #endif /* USDT2 */ | |
| 0 | 5512 return JNI_OK; |
| 5513 } | |
| 5514 | |
| 4006 | 5515 #ifndef USDT2 |
| 0 | 5516 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5517 #else /* USDT2 */ |
| 5518 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5519 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5520 #endif /* USDT2 */ | |
| 0 | 5521 |
| 5522 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5523 #ifndef USDT2 |
| 0 | 5524 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5525 #else /* USDT2 */ |
| 5526 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5527 vm, penv, version); | |
| 5528 #endif /* USDT2 */ | |
| 0 | 5529 jint ret = JNI_ERR; |
| 5530 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5531 | |
| 5532 if (!vm_created) { | |
| 5533 *penv = NULL; | |
| 5534 ret = JNI_EDETACHED; | |
| 5535 return ret; | |
| 5536 } | |
| 5537 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5538 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5539 return ret; |
| 5540 } | |
| 5541 | |
| 5542 #ifndef JVMPI_VERSION_1 | |
| 5543 // need these in order to be polite about older agents | |
| 5544 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5545 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5546 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5547 #endif // !JVMPI_VERSION_1 | |
| 5548 | |
| 5549 Thread* thread = ThreadLocalStorage::thread(); | |
| 5550 if (thread != NULL && thread->is_Java_thread()) { | |
| 5551 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5552 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5553 ret = JNI_OK; | |
| 5554 return ret; | |
| 5555 | |
| 5556 } else if (version == JVMPI_VERSION_1 || | |
| 5557 version == JVMPI_VERSION_1_1 || | |
| 5558 version == JVMPI_VERSION_1_2) { | |
| 5559 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5560 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5561 ret = JNI_EVERSION; | |
| 5562 return ret; | |
| 5563 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5564 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5565 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5566 ret = JNI_EVERSION; | |
| 5567 return ret; | |
| 5568 } else { | |
| 5569 *penv = NULL; | |
| 5570 ret = JNI_EVERSION; | |
| 5571 return ret; | |
| 5572 } | |
| 5573 } else { | |
| 5574 *penv = NULL; | |
| 5575 ret = JNI_EDETACHED; | |
| 5576 return ret; | |
| 5577 } | |
| 5578 } | |
| 5579 | |
| 5580 | |
| 5581 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5582 #ifndef USDT2 |
| 0 | 5583 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5584 #else /* USDT2 */ |
| 5585 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5586 vm, penv, _args); | |
| 5587 #endif /* USDT2 */ | |
| 0 | 5588 if (!vm_created) { |
| 4006 | 5589 #ifndef USDT2 |
| 0 | 5590 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5591 #else /* USDT2 */ |
| 5592 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5593 (uint32_t) JNI_ERR); | |
| 5594 #endif /* USDT2 */ | |
| 0 | 5595 return JNI_ERR; |
| 5596 } | |
| 5597 | |
| 5598 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5599 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5600 #ifndef USDT2 |
| 0 | 5601 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5602 #else /* USDT2 */ |
| 5603 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5604 ret); | |
| 5605 #endif /* USDT2 */ | |
| 0 | 5606 return ret; |
| 5607 } | |
| 5608 | |
| 5609 | |
| 5610 } // End extern "C" | |
| 5611 | |
| 5612 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5613 NULL, | |
| 5614 NULL, | |
| 5615 NULL, | |
| 5616 | |
| 5617 jni_DestroyJavaVM, | |
| 5618 jni_AttachCurrentThread, | |
| 5619 jni_DetachCurrentThread, | |
| 5620 jni_GetEnv, | |
| 5621 jni_AttachCurrentThreadAsDaemon | |
| 5622 }; |