Mercurial > hg > graal-compiler
annotate src/share/vm/prims/jni.cpp @ 10408:836a62f43af9
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Wed, 19 Jun 2013 10:45:56 +0200 |
| parents | 89e4d67fdd2a f2110083203d |
| children | 6b0fd0964b87 |
| 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 |
| 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. | |
| 1342 int vtbl_index = m->vtable_index(); | |
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1343 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1344 Klass* k = h_recv->klass(); |
| 0 | 1345 // k might be an arrayKlassOop but all vtables start at |
| 1346 // the same place. The cast is to avoid virtual call and assertion. | |
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1347 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1348 selected_method = ik->method_at_vtable(vtbl_index); |
| 1349 } else { | |
| 1350 // final method | |
| 1351 selected_method = m; | |
| 1352 } | |
| 1353 } else { | |
| 1354 // JNI_NONVIRTUAL call | |
| 1355 selected_method = m; | |
| 1356 } | |
| 1357 } else { | |
| 1358 // interface call | |
| 1359 KlassHandle h_holder(THREAD, holder); | |
| 1360 | |
| 1361 int itbl_index = m->cached_itable_index(); | |
| 1362 if (itbl_index == -1) { | |
| 1363 itbl_index = klassItable::compute_itable_index(m); | |
| 1364 m->set_cached_itable_index(itbl_index); | |
| 1365 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1366 } | |
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1367 Klass* k = h_recv->klass(); |
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1368 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1369 } |
| 1370 } | |
| 1371 | |
| 1372 methodHandle method(THREAD, selected_method); | |
| 1373 | |
| 1374 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1375 // the jni parser | |
| 1376 ResourceMark rm(THREAD); | |
| 1377 JavaCallArguments java_args(number_of_parameters); | |
| 1378 args->set_java_argument_object(&java_args); | |
| 1379 | |
| 1380 // handle arguments | |
| 1381 assert(!method->is_static(), "method should not be static"); | |
| 1382 args->push_receiver(h_recv); // Push jobject handle | |
| 1383 | |
| 1384 // Fill out JavaCallArguments object | |
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1385 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1386 // Initialize result type |
| 1387 result->set_type(args->get_ret_type()); | |
| 1388 | |
| 1389 // Invoke the method. Result is returned as oop. | |
| 1390 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1391 | |
| 1392 // Convert result | |
| 1393 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1394 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1395 } | |
| 1396 } | |
| 1397 | |
| 1398 | |
| 1399 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1400 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1401 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1402 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1403 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1404 return ih; |
| 1405 } | |
| 1406 | |
| 4006 | 1407 #ifndef USDT2 |
| 0 | 1408 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1409 #else /* USDT2 */ |
| 1410 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1411 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1412 #endif /* USDT2 */ | |
| 0 | 1413 |
| 1414 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1415 JNIWrapper("AllocObject"); | |
| 1416 | |
| 4006 | 1417 #ifndef USDT2 |
| 0 | 1418 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1419 #else /* USDT2 */ |
| 1420 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1421 env, clazz); | |
| 1422 #endif /* USDT2 */ | |
| 0 | 1423 jobject ret = NULL; |
| 1424 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1425 | |
| 1426 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1427 ret = JNIHandles::make_local(env, i); | |
| 1428 return ret; | |
| 1429 JNI_END | |
| 1430 | |
| 4006 | 1431 #ifndef USDT2 |
| 0 | 1432 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1433 #else /* USDT2 */ |
| 1434 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1435 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1436 #endif /* USDT2 */ | |
| 0 | 1437 |
| 1438 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1439 JNIWrapper("NewObjectA"); | |
| 4006 | 1440 #ifndef USDT2 |
| 0 | 1441 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1442 #else /* USDT2 */ |
| 1443 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1444 env, clazz, (uintptr_t) methodID); | |
| 1445 #endif /* USDT2 */ | |
| 0 | 1446 jobject obj = NULL; |
| 1447 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1448 | |
| 1449 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1450 obj = JNIHandles::make_local(env, i); | |
| 1451 JavaValue jvalue(T_VOID); | |
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1452 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1453 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1454 return obj; | |
| 1455 JNI_END | |
| 1456 | |
| 4006 | 1457 #ifndef USDT2 |
| 0 | 1458 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1459 #else /* USDT2 */ |
| 1460 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1461 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1462 #endif /* USDT2 */ | |
| 0 | 1463 |
| 1464 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1465 JNIWrapper("NewObjectV"); | |
| 4006 | 1466 #ifndef USDT2 |
| 0 | 1467 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1468 #else /* USDT2 */ |
| 1469 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1470 env, clazz, (uintptr_t) methodID); | |
| 1471 #endif /* USDT2 */ | |
| 0 | 1472 jobject obj = NULL; |
| 1473 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1474 | |
| 1475 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1476 obj = JNIHandles::make_local(env, i); | |
| 1477 JavaValue jvalue(T_VOID); | |
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1478 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1479 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1480 return obj; | |
| 1481 JNI_END | |
| 1482 | |
| 4006 | 1483 #ifndef USDT2 |
| 0 | 1484 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1485 #else /* USDT2 */ |
| 1486 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1487 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1488 #endif /* USDT2 */ | |
| 0 | 1489 |
| 1490 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1491 JNIWrapper("NewObject"); | |
| 4006 | 1492 #ifndef USDT2 |
| 0 | 1493 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1494 #else /* USDT2 */ |
| 1495 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1496 env, clazz, (uintptr_t) methodID); | |
| 1497 #endif /* USDT2 */ | |
| 0 | 1498 jobject obj = NULL; |
| 1499 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1500 | |
| 1501 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1502 obj = JNIHandles::make_local(env, i); | |
| 1503 va_list args; | |
| 1504 va_start(args, methodID); | |
| 1505 JavaValue jvalue(T_VOID); | |
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1506 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1507 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1508 va_end(args); | |
| 1509 return obj; | |
| 1510 JNI_END | |
| 1511 | |
| 1512 | |
| 1513 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1514 JNIWrapper("GetObjectClass"); | |
| 4006 | 1515 #ifndef USDT2 |
| 0 | 1516 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1517 #else /* USDT2 */ |
| 1518 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1519 env, obj); | |
| 1520 #endif /* USDT2 */ | |
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1521 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1522 jclass ret = |
| 6983 | 1523 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1524 #ifndef USDT2 |
| 0 | 1525 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1526 #else /* USDT2 */ |
| 1527 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1528 ret); | |
| 1529 #endif /* USDT2 */ | |
| 0 | 1530 return ret; |
| 1531 JNI_END | |
| 1532 | |
| 1533 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1534 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1535 #ifndef USDT2 |
| 0 | 1536 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1537 #else /* USDT2 */ |
| 1538 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1539 env, obj, clazz); | |
| 1540 #endif /* USDT2 */ | |
| 0 | 1541 jboolean ret = JNI_TRUE; |
| 1542 if (obj != NULL) { | |
| 1543 ret = JNI_FALSE; | |
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1544 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1545 JNIHandles::resolve_non_null(clazz)); |
| 1546 if (k != NULL) { | |
| 1547 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1548 } | |
| 1549 } | |
| 4006 | 1550 #ifndef USDT2 |
| 0 | 1551 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1552 #else /* USDT2 */ |
| 1553 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1554 ret); | |
| 1555 #endif /* USDT2 */ | |
| 0 | 1556 return ret; |
| 1557 JNI_END | |
| 1558 | |
| 1559 | |
| 1560 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1561 const char *sig, bool is_static, TRAPS) { | |
| 1562 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1563 // | |
| 1564 // The class should have been loaded (we have an instance of the class | |
| 1565 // passed in) so the method and signature should already be in the symbol | |
| 1566 // table. If they're not there, the method doesn't exist. | |
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1567 const char *name_to_probe = (name_str == NULL) |
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1568 ? vmSymbols::object_initializer_name()->as_C_string() |
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1569 : name_str; |
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1570 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1571 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1572 |
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1573 if (name == NULL || signature == NULL) { |
| 0 | 1574 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1575 } | |
| 1576 | |
| 1577 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1578 // primitive java.lang.Class | |
| 1579 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1580 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1581 } | |
| 1582 | |
| 1583 KlassHandle klass(THREAD, | |
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1584 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1585 |
| 1586 // Make sure class is linked and initialized before handing id's out to | |
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1587 // Method*s. |
| 6983 | 1588 klass()->initialize(CHECK_NULL); |
| 0 | 1589 |
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1590 Method* m; |
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1591 if (name == vmSymbols::object_initializer_name() || |
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1592 name == vmSymbols::class_initializer_name()) { |
| 0 | 1593 // Never search superclasses for constructors |
| 1594 if (klass->oop_is_instance()) { | |
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1595 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1596 } else { |
| 1597 m = NULL; | |
| 1598 } | |
| 1599 } else { | |
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1600 m = klass->lookup_method(name, signature); |
| 0 | 1601 // Look up interfaces |
| 1602 if (m == NULL && klass->oop_is_instance()) { | |
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1603 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1604 signature); |
| 0 | 1605 } |
| 1606 } | |
| 1607 if (m == NULL || (m->is_static() != is_static)) { | |
| 1608 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1609 } | |
| 1610 return m->jmethod_id(); | |
| 1611 } | |
| 1612 | |
| 1613 | |
| 1614 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1615 const char *name, const char *sig)) | |
| 1616 JNIWrapper("GetMethodID"); | |
| 4006 | 1617 #ifndef USDT2 |
| 0 | 1618 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1619 #else /* USDT2 */ |
| 1620 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1621 env, clazz, (char *) name, (char *) sig); | |
| 1622 #endif /* USDT2 */ | |
| 0 | 1623 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1624 #ifndef USDT2 |
| 0 | 1625 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1626 #else /* USDT2 */ |
| 1627 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1628 (uintptr_t) ret); | |
| 1629 #endif /* USDT2 */ | |
| 0 | 1630 return ret; |
| 1631 JNI_END | |
| 1632 | |
| 1633 | |
| 1634 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1635 const char *name, const char *sig)) | |
| 1636 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1637 #ifndef USDT2 |
| 0 | 1638 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1639 #else /* USDT2 */ |
| 1640 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1641 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1642 #endif /* USDT2 */ | |
| 0 | 1643 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1644 #ifndef USDT2 |
| 0 | 1645 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1646 #else /* USDT2 */ |
| 1647 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1648 (uintptr_t) ret); | |
| 1649 #endif /* USDT2 */ | |
| 0 | 1650 return ret; |
| 1651 JNI_END | |
| 1652 | |
| 1653 | |
| 1654 | |
| 1655 // | |
| 1656 // Calling Methods | |
| 1657 // | |
| 1658 | |
| 4006 | 1659 #ifndef USDT2 |
| 0 | 1660 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1661 \ | |
| 1662 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1663 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1664 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1665 \ | |
| 1666 JNI_ENTRY(ResultType, \ | |
| 1667 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1668 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1669 \ | |
| 4006 | 1670 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1671 ResultType ret = 0;\ |
| 1672 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1673 (const ResultType&)ret);\ | |
| 1674 \ | |
| 1675 va_list args; \ | |
| 1676 va_start(args, methodID); \ | |
| 1677 JavaValue jvalue(Tag); \ | |
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1678 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1679 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1680 va_end(args); \ | |
| 1681 ret = jvalue.get_##ResultType(); \ | |
| 1682 return ret;\ | |
| 1683 JNI_END \ | |
| 1684 \ | |
| 1685 \ | |
| 1686 JNI_ENTRY(ResultType, \ | |
| 1687 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1688 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1689 \ | |
| 4006 | 1690 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1691 ResultType ret = 0;\ |
| 1692 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1693 (const ResultType&)ret);\ | |
| 1694 \ | |
| 1695 JavaValue jvalue(Tag); \ | |
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1696 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1697 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1698 ret = jvalue.get_##ResultType(); \ | |
| 1699 return ret;\ | |
| 1700 JNI_END \ | |
| 1701 \ | |
| 1702 \ | |
| 1703 JNI_ENTRY(ResultType, \ | |
| 1704 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1705 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1706 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1707 ResultType ret = 0;\ |
| 1708 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1709 (const ResultType&)ret);\ | |
| 1710 \ | |
| 1711 JavaValue jvalue(Tag); \ | |
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1712 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1713 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1714 ret = jvalue.get_##ResultType(); \ | |
| 1715 return ret;\ | |
| 1716 JNI_END | |
| 1717 | |
| 1718 // the runtime type of subword integral basic types is integer | |
| 1719 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1720 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1721 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1722 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1723 | |
| 1724 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1725 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1726 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1727 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1728 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1729 | |
| 1730 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1731 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1732 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1733 | |
| 4006 | 1734 #else /* USDT2 */ |
| 1735 | |
| 1736 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1737 , EntryProbe, ReturnProbe) \ | |
| 1738 \ | |
| 1739 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1740 , ReturnProbe); \ | |
| 1741 \ | |
| 1742 JNI_ENTRY(ResultType, \ | |
| 1743 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1744 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1745 \ | |
| 1746 EntryProbe; \ | |
| 1747 ResultType ret = 0;\ | |
| 1748 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1749 (const ResultType&)ret);\ | |
| 1750 \ | |
| 1751 va_list args; \ | |
| 1752 va_start(args, methodID); \ | |
| 1753 JavaValue jvalue(Tag); \ | |
| 1754 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1755 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1756 va_end(args); \ | |
| 1757 ret = jvalue.get_##ResultType(); \ | |
| 1758 return ret;\ | |
| 1759 JNI_END | |
| 1760 | |
| 1761 // the runtime type of subword integral basic types is integer | |
| 1762 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1763 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1764 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1765 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1766 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1767 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1768 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1769 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1770 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1771 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1772 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1773 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1774 | |
| 1775 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1776 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1777 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1778 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1779 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1780 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1781 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1782 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1783 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1784 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1785 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1786 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1787 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1788 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1789 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1790 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1791 | |
| 1792 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1793 , EntryProbe, ReturnProbe) \ | |
| 1794 \ | |
| 1795 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1796 , ReturnProbe); \ | |
| 1797 \ | |
| 1798 JNI_ENTRY(ResultType, \ | |
| 1799 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1800 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1801 \ | |
| 1802 EntryProbe;\ | |
| 1803 ResultType ret = 0;\ | |
| 1804 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1805 (const ResultType&)ret);\ | |
| 1806 \ | |
| 1807 JavaValue jvalue(Tag); \ | |
| 1808 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1809 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1810 ret = jvalue.get_##ResultType(); \ | |
| 1811 return ret;\ | |
| 1812 JNI_END | |
| 1813 | |
| 1814 // the runtime type of subword integral basic types is integer | |
| 1815 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1816 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1817 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1818 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1819 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1820 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1821 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1822 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1823 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1824 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1825 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1826 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1827 | |
| 1828 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1829 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1830 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1831 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1832 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1833 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1834 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1835 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1836 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1837 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1838 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1839 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1840 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1841 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1842 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1843 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1844 | |
| 1845 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1846 , EntryProbe, ReturnProbe) \ | |
| 1847 \ | |
| 1848 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1849 , ReturnProbe); \ | |
| 1850 \ | |
| 1851 JNI_ENTRY(ResultType, \ | |
| 1852 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1853 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1854 EntryProbe; \ | |
| 1855 ResultType ret = 0;\ | |
| 1856 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1857 (const ResultType&)ret);\ | |
| 1858 \ | |
| 1859 JavaValue jvalue(Tag); \ | |
| 1860 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1861 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1862 ret = jvalue.get_##ResultType(); \ | |
| 1863 return ret;\ | |
| 1864 JNI_END | |
| 1865 | |
| 1866 // the runtime type of subword integral basic types is integer | |
| 1867 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1868 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1869 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1870 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1871 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1872 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1873 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1874 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1875 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1876 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1877 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1878 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1879 | |
| 1880 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1881 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1882 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1883 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1884 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1885 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1886 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1887 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1888 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1889 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1890 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1891 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1892 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1893 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1894 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1895 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1896 | |
| 1897 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1898 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1899 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1900 | |
| 1901 #endif /* USDT2 */ | |
| 1902 | |
| 0 | 1903 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1904 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1905 #ifndef USDT2 |
| 0 | 1906 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1907 #else /* USDT2 */ |
| 1908 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1909 env, obj, (uintptr_t) methodID); | |
| 1910 #endif /* USDT2 */ | |
| 0 | 1911 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1912 | |
| 1913 va_list args; | |
| 1914 va_start(args, methodID); | |
| 1915 JavaValue jvalue(T_VOID); | |
|
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1916 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1917 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1918 va_end(args); | |
| 1919 JNI_END | |
| 1920 | |
| 1921 | |
| 1922 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1923 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1924 #ifndef USDT2 |
| 0 | 1925 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1926 #else /* USDT2 */ |
| 1927 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1928 env, obj, (uintptr_t) methodID); | |
| 1929 #endif /* USDT2 */ | |
| 0 | 1930 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1931 | |
| 1932 JavaValue jvalue(T_VOID); | |
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1933 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1934 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1935 JNI_END | |
| 1936 | |
| 1937 | |
| 1938 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1939 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1940 #ifndef USDT2 |
| 0 | 1941 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1942 #else /* USDT2 */ |
| 1943 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1944 env, obj, (uintptr_t) methodID); | |
| 1945 #endif /* USDT2 */ | |
| 0 | 1946 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1947 | |
| 1948 JavaValue jvalue(T_VOID); | |
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1949 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1950 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1951 JNI_END | |
| 1952 | |
| 1953 | |
| 4006 | 1954 #ifndef USDT2 |
| 0 | 1955 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1956 \ | |
| 1957 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1958 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1959 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1960 \ | |
| 1961 JNI_ENTRY(ResultType, \ | |
| 1962 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1963 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1964 \ | |
| 1965 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1966 ResultType ret;\ | |
| 1967 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1968 (const ResultType&)ret);\ | |
| 1969 \ | |
| 1970 va_list args; \ | |
| 1971 va_start(args, methodID); \ | |
| 1972 JavaValue jvalue(Tag); \ | |
|
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1973 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1974 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1975 va_end(args); \ | |
| 1976 ret = jvalue.get_##ResultType(); \ | |
| 1977 return ret;\ | |
| 1978 JNI_END \ | |
| 1979 \ | |
| 1980 JNI_ENTRY(ResultType, \ | |
| 1981 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1982 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1983 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1984 ResultType ret;\ | |
| 1985 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1986 (const ResultType&)ret);\ | |
| 1987 \ | |
| 1988 JavaValue jvalue(Tag); \ | |
|
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1989 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1990 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1991 ret = jvalue.get_##ResultType(); \ | |
| 1992 return ret;\ | |
| 1993 JNI_END \ | |
| 1994 \ | |
| 1995 JNI_ENTRY(ResultType, \ | |
| 1996 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1997 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1998 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 1999 ResultType ret;\ | |
| 2000 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2001 (const ResultType&)ret);\ | |
| 2002 \ | |
| 2003 JavaValue jvalue(Tag); \ | |
|
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2004 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2005 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2006 ret = jvalue.get_##ResultType(); \ | |
| 2007 return ret;\ | |
| 2008 JNI_END | |
| 2009 | |
| 2010 // the runtime type of subword integral basic types is integer | |
| 2011 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2012 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2013 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2014 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2015 | |
| 2016 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2017 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2018 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2019 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2020 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2021 | |
| 2022 | |
| 2023 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2024 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2025 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2026 | |
| 4006 | 2027 #else /* USDT2 */ |
| 2028 | |
| 2029 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2030 , EntryProbe, ReturnProbe) \ | |
| 2031 \ | |
| 2032 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2033 , ReturnProbe);\ | |
| 2034 \ | |
| 2035 JNI_ENTRY(ResultType, \ | |
| 2036 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2037 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2038 \ | |
| 2039 EntryProbe;\ | |
| 2040 ResultType ret;\ | |
| 2041 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2042 (const ResultType&)ret);\ | |
| 2043 \ | |
| 2044 va_list args; \ | |
| 2045 va_start(args, methodID); \ | |
| 2046 JavaValue jvalue(Tag); \ | |
| 2047 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2048 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2049 va_end(args); \ | |
| 2050 ret = jvalue.get_##ResultType(); \ | |
| 2051 return ret;\ | |
| 2052 JNI_END | |
| 2053 | |
| 2054 // the runtime type of subword integral basic types is integer | |
| 2055 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2056 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2057 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2058 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2059 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2060 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2061 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2062 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2063 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2064 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2065 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2066 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2067 | |
| 2068 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2069 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2070 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2071 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2072 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2073 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2074 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2075 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2076 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2077 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2078 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2079 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2080 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2081 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2082 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2083 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2084 | |
| 2085 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2086 , EntryProbe, ReturnProbe) \ | |
| 2087 \ | |
| 2088 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2089 , ReturnProbe);\ | |
| 2090 \ | |
| 2091 JNI_ENTRY(ResultType, \ | |
| 2092 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2093 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2094 \ | |
| 2095 EntryProbe;\ | |
| 2096 ResultType ret;\ | |
| 2097 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2098 (const ResultType&)ret);\ | |
| 2099 \ | |
| 2100 JavaValue jvalue(Tag); \ | |
| 2101 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2102 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2103 ret = jvalue.get_##ResultType(); \ | |
| 2104 return ret;\ | |
| 2105 JNI_END | |
| 2106 | |
| 2107 // the runtime type of subword integral basic types is integer | |
| 2108 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2109 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2110 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2111 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2112 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2113 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2114 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2115 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2116 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2117 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2118 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2119 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2120 | |
| 2121 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2122 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2123 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2124 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2125 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2126 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2127 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2128 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2129 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2130 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2131 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2132 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2133 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2134 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2135 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2136 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2137 | |
| 2138 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2139 , EntryProbe, ReturnProbe) \ | |
| 2140 \ | |
| 2141 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2142 , ReturnProbe);\ | |
| 2143 \ | |
| 2144 JNI_ENTRY(ResultType, \ | |
| 2145 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2146 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2147 \ | |
| 2148 EntryProbe;\ | |
| 2149 ResultType ret;\ | |
| 2150 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2151 (const ResultType&)ret);\ | |
| 2152 \ | |
| 2153 JavaValue jvalue(Tag); \ | |
| 2154 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2155 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2156 ret = jvalue.get_##ResultType(); \ | |
| 2157 return ret;\ | |
| 2158 JNI_END | |
| 2159 | |
| 2160 // the runtime type of subword integral basic types is integer | |
| 2161 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2162 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2163 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2164 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2165 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2166 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2167 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2168 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2169 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2170 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2171 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2172 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2173 | |
| 2174 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2175 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2176 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2177 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2178 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2179 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2180 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2181 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2182 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2183 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2184 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2185 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2186 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2187 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2188 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2189 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2190 | |
| 2191 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2192 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2193 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2194 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2195 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2196 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2197 #endif /* USDT2 */ | |
| 2198 | |
| 0 | 2199 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2200 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2201 | |
| 4006 | 2202 #ifndef USDT2 |
| 0 | 2203 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2204 env, obj, cls, methodID); | |
| 4006 | 2205 #else /* USDT2 */ |
| 2206 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2207 env, obj, cls, (uintptr_t) methodID); | |
| 2208 #endif /* USDT2 */ | |
| 0 | 2209 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2210 | |
| 2211 va_list args; | |
| 2212 va_start(args, methodID); | |
| 2213 JavaValue jvalue(T_VOID); | |
|
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2214 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2215 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2216 va_end(args); | |
| 2217 JNI_END | |
| 2218 | |
| 2219 | |
| 2220 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2221 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2222 | |
| 4006 | 2223 #ifndef USDT2 |
| 0 | 2224 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2225 env, obj, cls, methodID); | |
| 4006 | 2226 #else /* USDT2 */ |
| 2227 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2228 env, obj, cls, (uintptr_t) methodID); | |
| 2229 #endif /* USDT2 */ | |
| 0 | 2230 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2231 | |
| 2232 JavaValue jvalue(T_VOID); | |
|
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2233 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2234 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2235 JNI_END | |
| 2236 | |
| 2237 | |
| 2238 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2239 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2240 #ifndef USDT2 |
| 0 | 2241 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2242 env, obj, cls, methodID); | |
| 4006 | 2243 #else /* USDT2 */ |
| 2244 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2245 env, obj, cls, (uintptr_t) methodID); | |
| 2246 #endif /* USDT2 */ | |
| 0 | 2247 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2248 JavaValue jvalue(T_VOID); | |
|
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2249 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2250 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2251 JNI_END | |
| 2252 | |
| 2253 | |
| 4006 | 2254 #ifndef USDT2 |
| 0 | 2255 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2256 \ | |
| 2257 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2258 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2259 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2260 \ | |
| 2261 JNI_ENTRY(ResultType, \ | |
| 2262 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2263 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2264 \ | |
| 2265 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2266 ResultType ret = 0;\ | |
| 2267 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2268 (const ResultType&)ret);\ | |
| 2269 \ | |
| 2270 va_list args; \ | |
| 2271 va_start(args, methodID); \ | |
| 2272 JavaValue jvalue(Tag); \ | |
|
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2273 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2274 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2275 va_end(args); \ | |
| 2276 ret = jvalue.get_##ResultType(); \ | |
| 2277 return ret;\ | |
| 2278 JNI_END \ | |
| 2279 \ | |
| 2280 JNI_ENTRY(ResultType, \ | |
| 2281 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2282 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2283 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2284 ResultType ret = 0;\ | |
| 2285 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2286 (const ResultType&)ret);\ | |
| 2287 \ | |
| 2288 JavaValue jvalue(Tag); \ | |
|
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2289 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2290 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2291 ret = jvalue.get_##ResultType(); \ | |
| 2292 return ret;\ | |
| 2293 JNI_END \ | |
| 2294 \ | |
| 2295 JNI_ENTRY(ResultType, \ | |
| 2296 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2297 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2298 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2299 ResultType ret = 0;\ | |
| 2300 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2301 (const ResultType&)ret);\ | |
| 2302 \ | |
| 2303 JavaValue jvalue(Tag); \ | |
|
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|
2304 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2305 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2306 ret = jvalue.get_##ResultType(); \ | |
| 2307 return ret;\ | |
| 2308 JNI_END | |
| 2309 | |
| 2310 // the runtime type of subword integral basic types is integer | |
| 2311 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2312 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2313 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2314 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2315 | |
| 2316 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2317 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2318 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2319 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2320 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2321 | |
| 2322 | |
| 2323 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2324 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2325 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2326 | |
| 4006 | 2327 #else /* USDT2 */ |
| 2328 | |
| 2329 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2330 , EntryProbe, ResultProbe) \ | |
| 2331 \ | |
| 2332 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2333 , ResultProbe); \ | |
| 2334 \ | |
| 2335 JNI_ENTRY(ResultType, \ | |
| 2336 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2337 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2338 \ | |
| 2339 EntryProbe; \ | |
| 2340 ResultType ret = 0;\ | |
| 2341 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2342 (const ResultType&)ret);\ | |
| 2343 \ | |
| 2344 va_list args; \ | |
| 2345 va_start(args, methodID); \ | |
| 2346 JavaValue jvalue(Tag); \ | |
| 2347 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2348 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2349 va_end(args); \ | |
| 2350 ret = jvalue.get_##ResultType(); \ | |
| 2351 return ret;\ | |
| 2352 JNI_END | |
| 2353 | |
| 2354 // the runtime type of subword integral basic types is integer | |
| 2355 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2356 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2357 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2358 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2359 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2360 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2361 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2362 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2363 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2364 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2365 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2366 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2367 | |
| 2368 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2369 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2370 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2371 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2372 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2373 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2374 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2375 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2376 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2377 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2378 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2379 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2380 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2381 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2382 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2383 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2384 | |
| 2385 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2386 , EntryProbe, ResultProbe) \ | |
| 2387 \ | |
| 2388 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2389 , ResultProbe); \ | |
| 2390 \ | |
| 2391 JNI_ENTRY(ResultType, \ | |
| 2392 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2393 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2394 \ | |
| 2395 EntryProbe; \ | |
| 2396 ResultType ret = 0;\ | |
| 2397 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2398 (const ResultType&)ret);\ | |
| 2399 \ | |
| 2400 JavaValue jvalue(Tag); \ | |
| 2401 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2402 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2403 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2404 k()->initialize(CHECK_0); \ |
| 4006 | 2405 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2406 va_end(args); \ | |
| 2407 ret = jvalue.get_##ResultType(); \ | |
| 2408 return ret;\ | |
| 2409 JNI_END | |
| 2410 | |
| 2411 // the runtime type of subword integral basic types is integer | |
| 2412 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2413 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2414 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2415 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2416 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2417 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2418 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2419 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2420 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2421 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2422 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2423 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2424 | |
| 2425 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2426 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2427 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2428 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2429 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2430 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2431 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2432 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2433 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2434 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2435 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2436 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2437 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2438 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2439 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2440 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2441 | |
| 2442 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2443 , EntryProbe, ResultProbe) \ | |
| 2444 \ | |
| 2445 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2446 , ResultProbe); \ | |
| 2447 \ | |
| 2448 JNI_ENTRY(ResultType, \ | |
| 2449 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2450 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2451 \ | |
| 2452 EntryProbe; \ | |
| 2453 ResultType ret = 0;\ | |
| 2454 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2455 (const ResultType&)ret);\ | |
| 2456 \ | |
| 2457 JavaValue jvalue(Tag); \ | |
| 2458 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2459 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2460 ret = jvalue.get_##ResultType(); \ | |
| 2461 return ret;\ | |
| 2462 JNI_END | |
| 2463 | |
| 2464 // the runtime type of subword integral basic types is integer | |
| 2465 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2466 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2467 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2468 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2469 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2470 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2471 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2472 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2473 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2474 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2475 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2476 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2477 | |
| 2478 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2479 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2480 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2481 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2482 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2483 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2484 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2485 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2486 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2487 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2488 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2489 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2490 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2491 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2492 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2493 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2494 | |
| 2495 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2496 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2497 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2498 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2499 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2500 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2501 #endif /* USDT2 */ | |
| 2502 | |
| 0 | 2503 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2504 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2505 #ifndef USDT2 |
| 0 | 2506 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2507 #else /* USDT2 */ |
| 2508 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2509 env, cls, (uintptr_t) methodID); | |
| 2510 #endif /* USDT2 */ | |
| 0 | 2511 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2512 | |
| 2513 va_list args; | |
| 2514 va_start(args, methodID); | |
| 2515 JavaValue jvalue(T_VOID); | |
|
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2516 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2517 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2518 va_end(args); | |
| 2519 JNI_END | |
| 2520 | |
| 2521 | |
| 2522 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2523 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2524 #ifndef USDT2 |
| 0 | 2525 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2526 #else /* USDT2 */ |
| 2527 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2528 env, cls, (uintptr_t) methodID); | |
| 2529 #endif /* USDT2 */ | |
| 0 | 2530 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2531 | |
| 2532 JavaValue jvalue(T_VOID); | |
|
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2533 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2534 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2535 JNI_END | |
| 2536 | |
| 2537 | |
| 2538 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2539 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2540 #ifndef USDT2 |
| 0 | 2541 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2542 #else /* USDT2 */ |
| 2543 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2544 env, cls, (uintptr_t) methodID); | |
| 2545 #endif /* USDT2 */ | |
| 0 | 2546 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2547 | |
| 2548 JavaValue jvalue(T_VOID); | |
|
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2549 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2550 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2551 JNI_END | |
| 2552 | |
| 2553 | |
| 2554 // | |
| 2555 // Accessing Fields | |
| 2556 // | |
| 2557 | |
| 2558 | |
| 4006 | 2559 #ifndef USDT2 |
| 0 | 2560 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2561 #else /* USDT2 */ |
| 2562 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2563 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2564 #endif /* USDT2 */ | |
| 0 | 2565 |
| 2566 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2567 const char *name, const char *sig)) | |
| 2568 JNIWrapper("GetFieldID"); | |
| 4006 | 2569 #ifndef USDT2 |
| 0 | 2570 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2571 #else /* USDT2 */ |
| 2572 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2573 env, clazz, (char *) name, (char *) sig); | |
| 2574 #endif /* USDT2 */ | |
| 0 | 2575 jfieldID ret = 0; |
| 2576 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2577 | |
| 2578 // The class should have been loaded (we have an instance of the class | |
| 2579 // passed in) so the field and signature should already be in the symbol | |
| 2580 // table. If they're not there, the field doesn't exist. | |
|
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2581 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2582 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2583 if (fieldname == NULL || signame == NULL) { |
| 0 | 2584 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2585 } | |
| 2586 KlassHandle k(THREAD, | |
|
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2587 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2588 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2589 k()->initialize(CHECK_NULL); |
| 0 | 2590 |
| 2591 fieldDescriptor fd; | |
| 6983 | 2592 if (!k()->oop_is_instance() || |
|
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2593 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2594 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2595 } | |
| 2596 | |
| 2597 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2598 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2599 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2600 return ret; | |
| 2601 JNI_END | |
| 2602 | |
| 2603 | |
| 2604 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2605 JNIWrapper("GetObjectField"); | |
| 4006 | 2606 #ifndef USDT2 |
| 0 | 2607 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2608 #else /* USDT2 */ |
| 2609 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2610 env, obj, (uintptr_t) fieldID); | |
| 2611 #endif /* USDT2 */ | |
| 0 | 2612 oop o = JNIHandles::resolve_non_null(obj); |
|
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2613 Klass* k = o->klass(); |
| 0 | 2614 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2615 // Keep JVMTI addition small and only check enabled flag here. | |
| 2616 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2617 if (JvmtiExport::should_post_field_access()) { | |
| 2618 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2619 } | |
| 2620 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2621 #if INCLUDE_ALL_GCS |
|
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2622 // If G1 is enabled and we are accessing the value of the referent |
|
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2623 // field in a reference object then we need to register a non-null |
|
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2624 // referent with the SATB barrier. |
|
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|
2625 if (UseG1GC) { |
|
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|
2626 bool needs_barrier = false; |
|
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|
2627 |
|
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|
2628 if (ret != NULL && |
|
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|
2629 offset == java_lang_ref_Reference::referent_offset && |
|
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2630 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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2631 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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2632 needs_barrier = true; |
|
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2633 } |
|
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|
2634 |
|
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|
2635 if (needs_barrier) { |
|
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|
2636 oop referent = JNIHandles::resolve(ret); |
|
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|
2637 G1SATBCardTableModRefBS::enqueue(referent); |
|
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2638 } |
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|
2639 } |
|
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|
2640 #endif // INCLUDE_ALL_GCS |
| 4006 | 2641 #ifndef USDT2 |
| 0 | 2642 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2643 #else /* USDT2 */ |
| 2644 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2645 ret); | |
| 2646 #endif /* USDT2 */ | |
| 0 | 2647 return ret; |
| 2648 JNI_END | |
| 2649 | |
| 2650 | |
| 4006 | 2651 #ifndef USDT2 |
| 0 | 2652 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2653 \ | |
| 2654 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2655 \ | |
| 2656 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2657 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2658 \ | |
| 2659 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2660 Return ret = 0;\ | |
| 2661 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2662 \ | |
| 2663 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2664 Klass* k = o->klass(); \ |
| 0 | 2665 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2666 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2667 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2668 /* and creates a ResetNoHandleMark. */ \ | |
| 2669 if (JvmtiExport::should_post_field_access()) { \ | |
| 2670 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2671 } \ | |
| 2672 ret = o->Fieldname##_field(offset); \ | |
| 2673 return ret; \ | |
| 2674 JNI_END | |
| 2675 | |
| 2676 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2677 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2678 DEFINE_GETFIELD(jchar, char, Char) | |
| 2679 DEFINE_GETFIELD(jshort, short, Short) | |
| 2680 DEFINE_GETFIELD(jint, int, Int) | |
| 2681 DEFINE_GETFIELD(jlong, long, Long) | |
| 2682 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2683 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2684 | |
| 4006 | 2685 #else /* USDT2 */ |
| 2686 | |
| 2687 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2688 , EntryProbe, ReturnProbe) \ | |
| 2689 \ | |
| 2690 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2691 , ReturnProbe); \ | |
| 2692 \ | |
| 2693 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2694 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2695 \ | |
| 2696 EntryProbe; \ | |
| 2697 Return ret = 0;\ | |
| 2698 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2699 \ | |
| 2700 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2701 Klass* k = o->klass(); \ |
| 4006 | 2702 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2703 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2704 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2705 /* and creates a ResetNoHandleMark. */ \ | |
| 2706 if (JvmtiExport::should_post_field_access()) { \ | |
| 2707 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2708 } \ | |
| 2709 ret = o->Fieldname##_field(offset); \ | |
| 2710 return ret; \ | |
| 2711 JNI_END | |
| 2712 | |
| 2713 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2714 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2715 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2716 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2717 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2718 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2719 DEFINE_GETFIELD(jchar, char, Char | |
| 2720 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2721 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2722 DEFINE_GETFIELD(jshort, short, Short | |
| 2723 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2724 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2725 DEFINE_GETFIELD(jint, int, Int | |
| 2726 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2727 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2728 DEFINE_GETFIELD(jlong, long, Long | |
| 2729 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2730 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2731 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2732 DEFINE_GETFIELD(jfloat, float, Float | |
| 2733 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2734 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2735 DEFINE_GETFIELD(jdouble, double, Double | |
| 2736 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2737 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2738 #endif /* USDT2 */ | |
| 2739 | |
| 0 | 2740 address jni_GetBooleanField_addr() { |
| 2741 return (address)jni_GetBooleanField; | |
| 2742 } | |
| 2743 address jni_GetByteField_addr() { | |
| 2744 return (address)jni_GetByteField; | |
| 2745 } | |
| 2746 address jni_GetCharField_addr() { | |
| 2747 return (address)jni_GetCharField; | |
| 2748 } | |
| 2749 address jni_GetShortField_addr() { | |
| 2750 return (address)jni_GetShortField; | |
| 2751 } | |
| 2752 address jni_GetIntField_addr() { | |
| 2753 return (address)jni_GetIntField; | |
| 2754 } | |
| 2755 address jni_GetLongField_addr() { | |
| 2756 return (address)jni_GetLongField; | |
| 2757 } | |
| 2758 address jni_GetFloatField_addr() { | |
| 2759 return (address)jni_GetFloatField; | |
| 2760 } | |
| 2761 address jni_GetDoubleField_addr() { | |
| 2762 return (address)jni_GetDoubleField; | |
| 2763 } | |
| 2764 | |
| 2765 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2766 JNIWrapper("SetObjectField"); | |
| 4006 | 2767 #ifndef USDT2 |
| 0 | 2768 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2769 #else /* USDT2 */ |
| 2770 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2771 env, obj, (uintptr_t) fieldID, value); | |
| 2772 #endif /* USDT2 */ | |
| 0 | 2773 oop o = JNIHandles::resolve_non_null(obj); |
|
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2774 Klass* k = o->klass(); |
| 0 | 2775 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2776 // Keep JVMTI addition small and only check enabled flag here. | |
| 2777 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2778 // and creates a ResetNoHandleMark. | |
| 2779 if (JvmtiExport::should_post_field_modification()) { | |
| 2780 jvalue field_value; | |
| 2781 field_value.l = value; | |
| 2782 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2783 } | |
| 2784 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2785 #ifndef USDT2 |
| 0 | 2786 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2787 #else /* USDT2 */ |
| 2788 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2789 ); | |
| 2790 #endif /* USDT2 */ | |
| 0 | 2791 JNI_END |
| 2792 | |
| 4006 | 2793 #ifndef USDT2 |
| 0 | 2794 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2795 \ | |
| 2796 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2797 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2798 \ | |
|
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|
2799 FP_SELECT_##Result( \ |
|
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|
2800 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
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|
2801 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2802 \ |
| 2803 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2804 Klass* k = o->klass(); \ |
| 0 | 2805 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2806 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2807 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2808 /* and creates a ResetNoHandleMark. */ \ | |
| 2809 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2810 jvalue field_value; \ | |
| 2811 field_value.unionType = value; \ | |
| 2812 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2813 } \ | |
| 2814 o->Fieldname##_field_put(offset, value); \ | |
| 2815 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2816 JNI_END | |
| 2817 | |
| 2818 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2819 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2820 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2821 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2822 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2823 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2824 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2825 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2826 | |
| 4006 | 2827 #else /* USDT2 */ |
| 2828 | |
| 2829 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2830 , EntryProbe, ReturnProbe) \ | |
| 2831 \ | |
| 2832 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2833 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2834 \ | |
| 2835 EntryProbe; \ | |
| 2836 \ | |
| 2837 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2838 Klass* k = o->klass(); \ |
| 4006 | 2839 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2840 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2841 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2842 /* and creates a ResetNoHandleMark. */ \ | |
| 2843 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2844 jvalue field_value; \ | |
| 2845 field_value.unionType = value; \ | |
| 2846 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2847 } \ | |
| 2848 o->Fieldname##_field_put(offset, value); \ | |
| 2849 ReturnProbe; \ | |
| 2850 JNI_END | |
| 2851 | |
| 2852 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2853 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2854 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2855 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2856 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2857 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2858 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2859 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2860 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2861 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2862 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2863 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2864 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2865 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2866 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2867 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2868 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2869 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2870 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2871 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2872 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2873 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2874 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2875 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2876 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2877 #endif /* USDT2 */ | |
| 2878 | |
| 2879 #ifndef USDT2 | |
| 0 | 2880 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2881 #else /* USDT2 */ |
| 2882 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2883 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2884 #endif /* USDT2 */ | |
| 0 | 2885 |
| 2886 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2887 JNIWrapper("ToReflectedField"); | |
| 4006 | 2888 #ifndef USDT2 |
| 0 | 2889 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2890 env, cls, fieldID, isStatic); | |
| 4006 | 2891 #else /* USDT2 */ |
| 2892 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2893 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2894 #endif /* USDT2 */ | |
| 0 | 2895 jobject ret = NULL; |
| 2896 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2897 | |
| 2898 fieldDescriptor fd; | |
| 2899 bool found = false; | |
|
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|
2900 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2901 |
| 2902 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2903 | |
| 2904 if (isStatic) { | |
|
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|
2905 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2906 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2907 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2908 found = id->find_local_field(&fd); |
| 0 | 2909 } else { |
| 2910 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2911 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2912 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2913 } |
| 2914 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2915 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2916 ret = JNIHandles::make_local(env, reflected); | |
| 2917 return ret; | |
| 2918 JNI_END | |
| 2919 | |
| 2920 | |
| 2921 // | |
| 2922 // Accessing Static Fields | |
| 2923 // | |
| 4006 | 2924 #ifndef USDT2 |
| 0 | 2925 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2926 #else /* USDT2 */ |
| 2927 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2928 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2929 #endif /* USDT2 */ | |
| 0 | 2930 |
| 2931 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2932 const char *name, const char *sig)) | |
| 2933 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2934 #ifndef USDT2 |
| 0 | 2935 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2936 #else /* USDT2 */ |
| 2937 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2938 env, clazz, (char *) name, (char *) sig); | |
| 2939 #endif /* USDT2 */ | |
| 0 | 2940 jfieldID ret = NULL; |
| 2941 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2942 | |
| 2943 // The class should have been loaded (we have an instance of the class | |
| 2944 // passed in) so the field and signature should already be in the symbol | |
| 2945 // table. If they're not there, the field doesn't exist. | |
|
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|
2946 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2947 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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diff
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|
2948 if (fieldname == NULL || signame == NULL) { |
| 0 | 2949 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2950 } | |
| 2951 KlassHandle k(THREAD, | |
|
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|
2952 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2953 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2954 k()->initialize(CHECK_NULL); |
| 0 | 2955 |
| 2956 fieldDescriptor fd; | |
| 6983 | 2957 if (!k()->oop_is_instance() || |
|
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2958 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2959 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2960 } | |
| 2961 | |
|
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2962 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
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|
2963 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2964 debug_only(id->set_is_static_field_id();) |
| 2965 | |
|
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2966 debug_only(id->verify(fd.field_holder())); |
| 0 | 2967 |
| 2968 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2969 return ret; | |
| 2970 JNI_END | |
| 2971 | |
| 2972 | |
| 2973 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2974 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2975 #ifndef USDT2 |
| 0 | 2976 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2977 #else /* USDT2 */ |
| 2978 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2979 env, clazz, (uintptr_t) fieldID); | |
| 2980 #endif /* USDT2 */ | |
|
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|
2981 #if INCLUDE_JNI_CHECK |
|
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2982 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2983 #endif // INCLUDE_JNI_CHECK |
| 0 | 2984 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2985 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2986 // Keep JVMTI addition small and only check enabled flag here. | |
| 2987 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2988 if (JvmtiExport::should_post_field_access()) { | |
| 2989 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2990 } | |
|
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2991 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2992 #ifndef USDT2 |
| 0 | 2993 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 2994 #else /* USDT2 */ |
| 2995 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 2996 ret); | |
| 2997 #endif /* USDT2 */ | |
| 0 | 2998 return ret; |
| 2999 JNI_END | |
| 3000 | |
| 4006 | 3001 #ifndef USDT2 |
| 0 | 3002 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3003 \ | |
| 3004 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3005 \ | |
| 3006 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3007 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3008 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3009 Return ret = 0;\ | |
| 3010 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3011 (const Return&)ret);\ | |
| 3012 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3013 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3014 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3015 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3016 if (JvmtiExport::should_post_field_access()) { \ | |
| 3017 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3018 } \ | |
|
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3019 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3020 return ret;\ |
| 3021 JNI_END | |
| 3022 | |
| 3023 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3024 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3025 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3026 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3027 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3028 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3029 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3030 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3031 | |
| 4006 | 3032 #else /* USDT2 */ |
| 3033 | |
| 3034 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3035 , EntryProbe, ReturnProbe) \ | |
| 3036 \ | |
| 3037 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3038 , ReturnProbe); \ | |
| 3039 \ | |
| 3040 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3041 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3042 EntryProbe; \ | |
| 3043 Return ret = 0;\ | |
| 3044 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3045 (const Return&)ret);\ | |
| 3046 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3047 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3048 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3049 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3050 if (JvmtiExport::should_post_field_access()) { \ | |
| 3051 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3052 } \ | |
| 3053 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3054 return ret;\ | |
| 3055 JNI_END | |
| 3056 | |
| 3057 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3058 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3059 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3060 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3061 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3062 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3063 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3064 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3065 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3066 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3067 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3068 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3069 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3070 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3071 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3072 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3073 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3074 #endif /* USDT2 */ | |
| 0 | 3075 |
| 3076 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3077 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3078 #ifndef USDT2 |
| 0 | 3079 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3080 #else /* USDT2 */ |
| 3081 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3082 env, clazz, (uintptr_t) fieldID, value); | |
| 3083 #endif /* USDT2 */ | |
| 0 | 3084 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3085 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3086 // Keep JVMTI addition small and only check enabled flag here. | |
| 3087 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3088 if (JvmtiExport::should_post_field_modification()) { | |
| 3089 jvalue field_value; | |
| 3090 field_value.l = value; | |
| 3091 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3092 } | |
|
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|
3093 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3094 #ifndef USDT2 |
| 0 | 3095 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3096 #else /* USDT2 */ |
| 3097 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3098 ); | |
| 3099 #endif /* USDT2 */ | |
| 0 | 3100 JNI_END |
| 3101 | |
| 3102 | |
| 4006 | 3103 #ifndef USDT2 |
| 0 | 3104 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3105 \ | |
| 3106 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3107 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
6837
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diff
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|
3108 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
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diff
changeset
|
3109 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
75982791ddb6
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coleenp
parents:
6831
diff
changeset
|
3110 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3111 \ |
| 3112 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3113 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3114 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3115 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3116 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3117 jvalue field_value; \ | |
| 3118 field_value.unionType = value; \ | |
| 3119 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3120 } \ | |
|
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|
3121 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3122 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3123 JNI_END | |
| 3124 | |
| 3125 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3126 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3127 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3128 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3129 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3130 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3131 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3132 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3133 | |
| 4006 | 3134 #else /* USDT2 */ |
| 3135 | |
| 3136 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3137 , EntryProbe, ReturnProbe) \ | |
| 3138 \ | |
| 3139 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3140 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3141 EntryProbe; \ | |
| 3142 \ | |
| 3143 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3144 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3145 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3146 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3147 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3148 jvalue field_value; \ | |
| 3149 field_value.unionType = value; \ | |
| 3150 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3151 } \ | |
| 3152 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3153 ReturnProbe;\ | |
| 3154 JNI_END | |
| 3155 | |
| 3156 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3157 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3158 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3159 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3160 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3161 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3162 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3163 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3164 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3165 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3166 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3167 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3168 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3169 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3170 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3171 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3172 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3173 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3174 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3175 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3176 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3177 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3178 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3179 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3180 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3181 #endif /* USDT2 */ | |
| 0 | 3182 |
| 3183 // | |
| 3184 // String Operations | |
| 3185 // | |
| 3186 | |
| 3187 // Unicode Interface | |
| 3188 | |
| 4006 | 3189 #ifndef USDT2 |
| 0 | 3190 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3191 #else /* USDT2 */ |
| 3192 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3193 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3194 #endif /* USDT2 */ | |
| 0 | 3195 |
| 3196 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3197 JNIWrapper("NewString"); | |
| 4006 | 3198 #ifndef USDT2 |
| 0 | 3199 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3200 #else /* USDT2 */ |
| 3201 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3202 env, (uint16_t *) unicodeChars, len); | |
| 3203 #endif /* USDT2 */ | |
| 0 | 3204 jstring ret = NULL; |
| 3205 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3206 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3207 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3208 return ret; | |
| 3209 JNI_END | |
| 3210 | |
| 3211 | |
| 3212 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3213 JNIWrapper("GetStringLength"); | |
| 4006 | 3214 #ifndef USDT2 |
| 0 | 3215 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3216 #else /* USDT2 */ |
| 3217 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3218 env, string); | |
| 3219 #endif /* USDT2 */ | |
| 0 | 3220 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3221 #ifndef USDT2 |
| 0 | 3222 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3223 #else /* USDT2 */ |
| 3224 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3225 ret); | |
| 3226 #endif /* USDT2 */ | |
| 0 | 3227 return ret; |
| 3228 JNI_END | |
| 3229 | |
| 3230 | |
| 3231 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3232 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3233 JNIWrapper("GetStringChars"); | |
| 4006 | 3234 #ifndef USDT2 |
| 0 | 3235 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3236 #else /* USDT2 */ |
| 3237 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3238 env, string, (uintptr_t *) isCopy); | |
| 3239 #endif /* USDT2 */ | |
| 0 | 3240 //%note jni_5 |
| 3241 if (isCopy != NULL) { | |
| 3242 *isCopy = JNI_TRUE; | |
| 3243 } | |
| 3244 oop s = JNIHandles::resolve_non_null(string); | |
| 3245 int s_len = java_lang_String::length(s); | |
| 3246 typeArrayOop s_value = java_lang_String::value(s); | |
| 3247 int s_offset = java_lang_String::offset(s); | |
| 6197 | 3248 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
| 0 | 3249 if (s_len > 0) { |
| 3250 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3251 } | |
| 3252 buf[s_len] = 0; | |
| 4006 | 3253 #ifndef USDT2 |
| 0 | 3254 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3255 #else /* USDT2 */ |
| 3256 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3257 buf); | |
| 3258 #endif /* USDT2 */ | |
| 0 | 3259 return buf; |
| 3260 JNI_END | |
| 3261 | |
| 3262 | |
| 3263 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3264 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3265 #ifndef USDT2 |
| 0 | 3266 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3267 #else /* USDT2 */ |
| 3268 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3269 env, str, (uint16_t *) chars); | |
| 3270 #endif /* USDT2 */ | |
| 0 | 3271 //%note jni_6 |
| 3272 if (chars != NULL) { | |
| 3273 // Since String objects are supposed to be immutable, don't copy any | |
| 3274 // new data back. A bad user will have to go after the char array. | |
| 3275 FreeHeap((void*) chars); | |
| 3276 } | |
| 4006 | 3277 #ifndef USDT2 |
| 0 | 3278 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3279 #else /* USDT2 */ |
| 3280 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3281 ); | |
| 3282 #endif /* USDT2 */ | |
| 0 | 3283 JNI_END |
| 3284 | |
| 3285 | |
| 3286 // UTF Interface | |
| 3287 | |
| 4006 | 3288 #ifndef USDT2 |
| 0 | 3289 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3290 #else /* USDT2 */ |
| 3291 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3292 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3293 #endif /* USDT2 */ | |
| 0 | 3294 |
| 3295 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3296 JNIWrapper("NewStringUTF"); | |
| 4006 | 3297 #ifndef USDT2 |
| 0 | 3298 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3299 #else /* USDT2 */ |
| 3300 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3301 env, (char *) bytes); | |
| 3302 #endif /* USDT2 */ | |
| 0 | 3303 jstring ret; |
| 3304 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3305 | |
| 3306 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3307 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3308 return ret; | |
| 3309 JNI_END | |
| 3310 | |
| 3311 | |
| 3312 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3313 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3314 #ifndef USDT2 |
| 0 | 3315 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3316 #else /* USDT2 */ |
| 3317 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3318 env, string); | |
| 3319 #endif /* USDT2 */ | |
| 0 | 3320 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3321 #ifndef USDT2 |
| 0 | 3322 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3323 #else /* USDT2 */ |
| 3324 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3325 ret); | |
| 3326 #endif /* USDT2 */ | |
| 0 | 3327 return ret; |
| 3328 JNI_END | |
| 3329 | |
| 3330 | |
| 3331 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3332 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3333 #ifndef USDT2 |
| 0 | 3334 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3335 #else /* USDT2 */ |
| 3336 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3337 env, string, (uintptr_t *) isCopy); | |
| 3338 #endif /* USDT2 */ | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3339 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3340 size_t length = java_lang_String::utf8_length(java_string); |
| 6197 | 3341 char* result = AllocateHeap(length + 1, mtInternal); |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3342 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3343 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3344 #ifndef USDT2 |
| 0 | 3345 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3346 #else /* USDT2 */ |
| 3347 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3348 result); | |
| 3349 #endif /* USDT2 */ | |
| 0 | 3350 return result; |
| 3351 JNI_END | |
| 3352 | |
| 3353 | |
| 3354 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3355 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3356 #ifndef USDT2 |
| 0 | 3357 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3358 #else /* USDT2 */ |
| 3359 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3360 env, str, (char *) chars); | |
| 3361 #endif /* USDT2 */ | |
| 0 | 3362 if (chars != NULL) { |
| 3363 FreeHeap((char*) chars); | |
| 3364 } | |
| 4006 | 3365 #ifndef USDT2 |
| 0 | 3366 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3367 #else /* USDT2 */ |
| 3368 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3369 ); | |
| 3370 #endif /* USDT2 */ | |
| 0 | 3371 JNI_END |
| 3372 | |
| 3373 | |
| 3374 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3375 JNIWrapper("GetArrayLength"); | |
| 4006 | 3376 #ifndef USDT2 |
| 0 | 3377 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3378 #else /* USDT2 */ |
| 3379 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3380 env, array); | |
| 3381 #endif /* USDT2 */ | |
| 0 | 3382 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3383 assert(a->is_array(), "must be array"); | |
| 3384 jsize ret = a->length(); | |
| 4006 | 3385 #ifndef USDT2 |
| 0 | 3386 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3387 #else /* USDT2 */ |
| 3388 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3389 ret); | |
| 3390 #endif /* USDT2 */ | |
| 0 | 3391 return ret; |
| 3392 JNI_END | |
| 3393 | |
| 3394 | |
| 3395 // | |
| 3396 // Object Array Operations | |
| 3397 // | |
| 3398 | |
| 4006 | 3399 #ifndef USDT2 |
| 0 | 3400 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3401 #else /* USDT2 */ |
| 3402 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3403 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3404 #endif /* USDT2 */ | |
| 0 | 3405 |
| 3406 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3407 JNIWrapper("NewObjectArray"); | |
| 4006 | 3408 #ifndef USDT2 |
| 0 | 3409 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3410 #else /* USDT2 */ |
| 3411 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3412 env, length, elementClass, initialElement); | |
| 3413 #endif /* USDT2 */ | |
| 0 | 3414 jobjectArray ret = NULL; |
| 3415 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3416 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3417 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3418 KlassHandle ak = KlassHandle(THREAD, ako); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3419 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3420 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3421 oop initial_value = JNIHandles::resolve(initialElement); |
| 3422 if (initial_value != NULL) { // array already initialized with NULL | |
| 3423 for (int index = 0; index < length; index++) { | |
| 3424 result->obj_at_put(index, initial_value); | |
| 3425 } | |
| 3426 } | |
| 3427 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3428 return ret; | |
| 3429 JNI_END | |
| 3430 | |
| 4006 | 3431 #ifndef USDT2 |
| 0 | 3432 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3433 #else /* USDT2 */ |
| 3434 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3435 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3436 #endif /* USDT2 */ | |
| 0 | 3437 |
| 3438 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3439 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3440 #ifndef USDT2 |
| 0 | 3441 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3442 #else /* USDT2 */ |
| 3443 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3444 env, array, index); | |
| 3445 #endif /* USDT2 */ | |
| 0 | 3446 jobject ret = NULL; |
| 3447 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3448 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3449 if (a->is_within_bounds(index)) { | |
|
1034
08780c8a9f04
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kamg
parents:
973
diff
changeset
|
3450 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3451 return ret; |
| 3452 } else { | |
| 3453 char buf[jintAsStringSize]; | |
| 3454 sprintf(buf, "%d", index); | |
| 3455 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3456 } | |
| 3457 JNI_END | |
| 3458 | |
| 4006 | 3459 #ifndef USDT2 |
| 0 | 3460 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3461 #else /* USDT2 */ |
| 3462 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3463 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3464 #endif /* USDT2 */ | |
| 0 | 3465 |
| 3466 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3467 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3468 #ifndef USDT2 |
| 0 | 3469 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3470 #else /* USDT2 */ |
| 3471 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3472 env, array, index, value); | |
| 3473 #endif /* USDT2 */ | |
| 0 | 3474 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3475 | |
| 3476 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3477 oop v = JNIHandles::resolve(value); | |
| 3478 if (a->is_within_bounds(index)) { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3479 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3480 a->obj_at_put(index, v); |
| 3481 } else { | |
| 3482 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3483 } | |
| 3484 } else { | |
| 3485 char buf[jintAsStringSize]; | |
| 3486 sprintf(buf, "%d", index); | |
| 3487 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3488 } | |
| 3489 JNI_END | |
| 3490 | |
| 3491 | |
| 4006 | 3492 #ifndef USDT2 |
| 0 | 3493 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3494 \ | |
| 4006 | 3495 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3496 \ |
| 3497 JNI_ENTRY(Return, \ | |
| 3498 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3499 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3500 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3501 Return ret = NULL;\ | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3502 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3503 \ |
| 3504 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3505 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3506 return ret;\ | |
| 3507 JNI_END | |
| 3508 | |
| 3509 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3510 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3511 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3512 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3513 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3514 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3515 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3516 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3517 | |
| 4006 | 3518 #else /* USDT2 */ |
| 3519 | |
| 3520 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3521 ,EntryProbe,ReturnProbe) \ | |
| 3522 \ | |
| 3523 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3524 , ReturnProbe); \ | |
| 3525 \ | |
| 3526 JNI_ENTRY(Return, \ | |
| 3527 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3528 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3529 EntryProbe; \ | |
| 3530 Return ret = NULL;\ | |
| 3531 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3532 \ | |
| 3533 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3534 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3535 return ret;\ | |
| 3536 JNI_END | |
| 3537 | |
| 3538 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3539 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3540 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3541 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3542 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3543 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3544 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3545 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3546 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3547 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3548 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3549 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3550 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3551 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3552 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3553 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3554 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3555 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3556 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3557 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3558 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3559 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3560 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3561 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3562 #endif /* USDT2 */ | |
| 0 | 3563 |
| 3564 // Return an address which will fault if the caller writes to it. | |
| 3565 | |
| 3566 static char* get_bad_address() { | |
| 3567 static char* bad_address = NULL; | |
| 3568 if (bad_address == NULL) { | |
| 3569 size_t size = os::vm_allocation_granularity(); | |
| 3570 bad_address = os::reserve_memory(size); | |
| 3571 if (bad_address != NULL) { | |
|
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3572 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3573 /*is_committed*/false); |
| 0 | 3574 } |
| 3575 } | |
| 3576 return bad_address; | |
| 3577 } | |
| 3578 | |
| 3579 | |
| 4006 | 3580 #ifndef USDT2 |
| 0 | 3581 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3582 \ | |
| 3583 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3584 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3585 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3586 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3587 /* allocate an chunk of memory in c land */ \ | |
| 3588 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3589 ElementType* result; \ | |
| 3590 int len = a->length(); \ | |
| 3591 if (len == 0) { \ | |
| 3592 /* Empty array: legal but useless, can't return NULL. \ | |
| 3593 * Return a pointer to something useless. \ | |
| 3594 * Avoid asserts in typeArrayOop. */ \ | |
| 3595 result = (ElementType*)get_bad_address(); \ | |
| 3596 } else { \ | |
| 6197 | 3597 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 0 | 3598 /* copy the array to the c chunk */ \ |
| 3599 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3600 } \ | |
| 3601 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3602 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3603 return result; \ | |
| 3604 JNI_END | |
| 3605 | |
| 3606 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3607 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3608 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3609 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3610 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3611 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3612 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3613 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3614 | |
| 4006 | 3615 #else /* USDT2 */ |
| 3616 | |
| 3617 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3618 , EntryProbe, ReturnProbe) \ | |
| 3619 \ | |
| 3620 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3621 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3622 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3623 EntryProbe; \ | |
| 3624 /* allocate an chunk of memory in c land */ \ | |
| 3625 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3626 ElementType* result; \ | |
| 3627 int len = a->length(); \ | |
| 3628 if (len == 0) { \ | |
| 3629 /* Empty array: legal but useless, can't return NULL. \ | |
| 3630 * Return a pointer to something useless. \ | |
| 3631 * Avoid asserts in typeArrayOop. */ \ | |
| 3632 result = (ElementType*)get_bad_address(); \ | |
| 3633 } else { \ | |
| 6197 | 3634 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 4006 | 3635 /* copy the array to the c chunk */ \ |
| 3636 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3637 } \ | |
| 3638 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3639 ReturnProbe; \ | |
| 3640 return result; \ | |
| 3641 JNI_END | |
| 3642 | |
| 3643 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3644 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3645 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3646 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3647 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3648 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3649 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3650 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3651 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3652 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3653 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3654 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3655 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3656 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3657 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3658 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3659 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3660 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3661 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3662 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3663 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3664 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3665 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3666 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3667 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3668 #endif /* USDT2 */ | |
| 3669 | |
| 3670 #ifndef USDT2 | |
| 0 | 3671 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3672 \ | |
| 3673 JNI_QUICK_ENTRY(void, \ | |
| 3674 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3675 ElementType *buf, jint mode)) \ | |
| 3676 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3677 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3678 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3679 int len = a->length(); \ | |
| 3680 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3681 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3682 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3683 } \ | |
| 3684 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3685 FreeHeap(buf); \ | |
| 3686 } \ | |
| 3687 } \ | |
| 3688 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3689 JNI_END | |
| 3690 | |
| 3691 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3692 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3693 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3694 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3695 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3696 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3697 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3698 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3699 | |
| 4006 | 3700 #else /* USDT2 */ |
| 3701 | |
| 3702 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3703 , EntryProbe, ReturnProbe);\ | |
| 3704 \ | |
| 3705 JNI_QUICK_ENTRY(void, \ | |
| 3706 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3707 ElementType *buf, jint mode)) \ | |
| 3708 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3709 EntryProbe; \ | |
| 3710 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3711 int len = a->length(); \ | |
| 3712 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3713 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3714 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3715 } \ | |
| 3716 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3717 FreeHeap(buf); \ | |
| 3718 } \ | |
| 3719 } \ | |
| 3720 ReturnProbe; \ | |
| 3721 JNI_END | |
| 3722 | |
| 3723 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3724 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3725 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3726 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3727 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3728 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3729 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3730 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3731 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3732 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3733 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3734 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3735 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3736 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3737 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3738 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3739 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3740 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3741 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3742 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3743 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3744 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3745 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3746 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3747 #endif /* USDT2 */ | |
| 3748 | |
| 3749 #ifndef USDT2 | |
| 0 | 3750 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3751 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3752 \ | |
| 3753 JNI_ENTRY(void, \ | |
| 3754 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3755 jsize len, ElementType *buf)) \ | |
| 3756 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3757 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3758 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3759 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3760 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3761 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3762 } else { \ | |
| 3763 if (len > 0) { \ | |
|
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|
3764 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3765 memcpy((u_char*) buf, \ |
| 3766 (u_char*) src->Tag##_at_addr(start), \ | |
| 3767 len << sc); \ | |
| 3768 } \ | |
| 3769 } \ | |
| 3770 JNI_END | |
| 3771 | |
| 3772 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3773 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3774 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3775 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3776 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3777 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3778 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3779 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3780 | |
| 4006 | 3781 #else /* USDT2 */ |
| 3782 | |
| 3783 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3784 , EntryProbe, ReturnProbe); \ | |
| 3785 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3786 , ReturnProbe); \ | |
| 3787 \ | |
| 3788 JNI_ENTRY(void, \ | |
| 3789 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3790 jsize len, ElementType *buf)) \ | |
| 3791 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3792 EntryProbe; \ | |
| 3793 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3794 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3795 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3796 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3797 } else { \ | |
| 3798 if (len > 0) { \ | |
|
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|
3799 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3800 memcpy((u_char*) buf, \ |
| 3801 (u_char*) src->Tag##_at_addr(start), \ | |
| 3802 len << sc); \ | |
| 3803 } \ | |
| 3804 } \ | |
| 3805 JNI_END | |
| 3806 | |
| 3807 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3808 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3809 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3810 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3811 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3812 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3813 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3814 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3815 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3816 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3817 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3818 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3819 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3820 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3821 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3822 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3823 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3824 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3825 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3826 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3827 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3828 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3829 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3830 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3831 #endif /* USDT2 */ | |
| 3832 | |
| 3833 #ifndef USDT2 | |
| 0 | 3834 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3835 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3836 \ | |
| 3837 JNI_ENTRY(void, \ | |
| 3838 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3839 jsize len, const ElementType *buf)) \ | |
| 3840 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3841 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3842 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3843 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3844 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3845 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3846 } else { \ | |
| 3847 if (len > 0) { \ | |
|
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|
3848 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3849 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3850 (u_char*) buf, \ | |
| 3851 len << sc); \ | |
| 3852 } \ | |
| 3853 } \ | |
| 3854 JNI_END | |
| 3855 | |
| 3856 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3857 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3858 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3859 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3860 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3861 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3862 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3863 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3864 | |
| 4006 | 3865 #else /* USDT2 */ |
| 3866 | |
| 3867 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3868 , EntryProbe, ReturnProbe); \ | |
| 3869 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3870 ,ReturnProbe); \ | |
| 3871 \ | |
| 3872 JNI_ENTRY(void, \ | |
| 3873 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3874 jsize len, const ElementType *buf)) \ | |
| 3875 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3876 EntryProbe; \ | |
| 3877 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3878 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3879 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3880 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3881 } else { \ | |
| 3882 if (len > 0) { \ | |
|
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|
3883 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3884 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3885 (u_char*) buf, \ | |
| 3886 len << sc); \ | |
| 3887 } \ | |
| 3888 } \ | |
| 3889 JNI_END | |
| 3890 | |
| 3891 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3892 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3893 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3894 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3895 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3896 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3897 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3898 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3899 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3900 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3901 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3902 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3903 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3904 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3905 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3906 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3907 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3908 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3909 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3910 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3911 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3912 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3913 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3914 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3915 #endif /* USDT2 */ | |
| 3916 | |
| 0 | 3917 |
| 3918 // | |
| 3919 // Interception of natives | |
| 3920 // | |
| 3921 | |
| 3922 // The RegisterNatives call being attempted tried to register with a method that | |
| 3923 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3924 // to see if the native method is now wrapped with the prefixes. See the | |
| 3925 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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|
3926 static Method* find_prefixed_native(KlassHandle k, |
|
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diff
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|
3927 Symbol* name, Symbol* signature, TRAPS) { |
|
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|
3928 #if INCLUDE_JVMTI |
| 0 | 3929 ResourceMark rm(THREAD); |
|
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|
3930 Method* method; |
| 0 | 3931 int name_len = name->utf8_length(); |
| 3932 char* name_str = name->as_utf8(); | |
| 3933 int prefix_count; | |
| 3934 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3935 for (int i = 0; i < prefix_count; i++) { | |
| 3936 char* prefix = prefixes[i]; | |
| 3937 int prefix_len = (int)strlen(prefix); | |
| 3938 | |
| 3939 // try adding this prefix to the method name and see if it matches another method name | |
| 3940 int trial_len = name_len + prefix_len; | |
| 3941 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3942 strcpy(trial_name_str, prefix); | |
| 3943 strcat(trial_name_str, name_str); | |
|
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|
3944 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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diff
changeset
|
3945 if (trial_name == NULL) { |
| 0 | 3946 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3947 } | |
| 6983 | 3948 method = k()->lookup_method(trial_name, signature); |
| 0 | 3949 if (method == NULL) { |
| 3950 continue; // signature doesn't match, try the next prefix | |
| 3951 } | |
| 3952 if (method->is_native()) { | |
| 3953 method->set_is_prefixed_native(); | |
| 3954 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3955 } | |
| 3956 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3957 name_len = trial_len; | |
| 3958 name_str = trial_name_str; | |
| 3959 } | |
|
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|
3960 #endif // INCLUDE_JVMTI |
| 0 | 3961 return NULL; // not found |
| 3962 } | |
| 3963 | |
|
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diff
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|
3964 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3965 Method* method = k()->lookup_method(name, signature); |
| 0 | 3966 if (method == NULL) { |
| 3967 ResourceMark rm; | |
| 3968 stringStream st; | |
| 3969 st.print("Method %s name or signature does not match", | |
| 6983 | 3970 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3971 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3972 } | |
| 3973 if (!method->is_native()) { | |
| 3974 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3975 method = find_prefixed_native(k, name, signature, THREAD); | |
| 3976 if (method == NULL) { | |
| 3977 ResourceMark rm; | |
| 3978 stringStream st; | |
| 3979 st.print("Method %s is not declared as native", | |
| 6983 | 3980 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3981 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3982 } | |
| 3983 } | |
| 3984 | |
| 3985 if (entry != NULL) { | |
| 3986 method->set_native_function(entry, | |
|
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|
3987 Method::native_bind_event_is_interesting); |
| 0 | 3988 } else { |
| 3989 method->clear_native_function(); | |
| 3990 } | |
| 3991 if (PrintJNIResolving) { | |
| 3992 ResourceMark rm(THREAD); | |
| 3993 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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6856
diff
changeset
|
3994 method->method_holder()->external_name(), |
| 0 | 3995 method->name()->as_C_string()); |
| 3996 } | |
| 3997 return true; | |
| 3998 } | |
| 3999 | |
| 4006 | 4000 #ifndef USDT2 |
| 0 | 4001 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4002 #else /* USDT2 */ |
| 4003 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4004 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4005 #endif /* USDT2 */ | |
| 0 | 4006 |
| 4007 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4008 const JNINativeMethod *methods, | |
| 4009 jint nMethods)) | |
| 4010 JNIWrapper("RegisterNatives"); | |
| 4006 | 4011 #ifndef USDT2 |
| 0 | 4012 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4013 #else /* USDT2 */ |
| 4014 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4015 env, clazz, (void *) methods, nMethods); | |
| 4016 #endif /* USDT2 */ | |
| 0 | 4017 jint ret = 0; |
| 4018 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4019 | |
|
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|
4020 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4021 |
| 4022 for (int index = 0; index < nMethods; index++) { | |
| 4023 const char* meth_name = methods[index].name; | |
| 4024 const char* meth_sig = methods[index].signature; | |
| 4025 int meth_name_len = (int)strlen(meth_name); | |
| 4026 | |
| 4027 // The class should have been loaded (we have an instance of the class | |
| 4028 // passed in) so the method and signature should already be in the symbol | |
| 4029 // table. If they're not there, the method doesn't exist. | |
|
2177
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
4030 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4031 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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1989
diff
changeset
|
4032 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4033 if (name == NULL || signature == NULL) { |
| 0 | 4034 ResourceMark rm; |
| 4035 stringStream st; | |
| 6983 | 4036 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4037 // Must return negative value on failure |
| 4038 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4039 } | |
| 4040 | |
| 4041 bool res = register_native(h_k, name, signature, | |
| 4042 (address) methods[index].fnPtr, THREAD); | |
| 4043 if (!res) { | |
| 4044 ret = -1; | |
| 4045 break; | |
| 4046 } | |
| 4047 } | |
| 4048 return ret; | |
| 4049 JNI_END | |
| 4050 | |
| 4051 | |
| 4052 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4053 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4054 #ifndef USDT2 |
| 0 | 4055 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4056 #else /* USDT2 */ |
| 4057 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4058 env, clazz); | |
| 4059 #endif /* USDT2 */ | |
|
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6197
diff
changeset
|
4060 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4061 //%note jni_2 |
| 6983 | 4062 if (k->oop_is_instance()) { |
|
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6197
diff
changeset
|
4063 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
da91efe96a93
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diff
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|
4064 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4065 if (m->is_native()) { |
| 4066 m->clear_native_function(); | |
| 4067 m->set_signature_handler(NULL); | |
| 4068 } | |
| 4069 } | |
| 4070 } | |
| 4006 | 4071 #ifndef USDT2 |
| 0 | 4072 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4073 #else /* USDT2 */ |
| 4074 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4075 0); | |
| 4076 #endif /* USDT2 */ | |
| 0 | 4077 return 0; |
| 4078 JNI_END | |
| 4079 | |
| 4080 // | |
| 4081 // Monitor functions | |
| 4082 // | |
| 4083 | |
| 4006 | 4084 #ifndef USDT2 |
| 0 | 4085 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4086 #else /* USDT2 */ |
| 4087 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4088 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4089 #endif /* USDT2 */ | |
| 0 | 4090 |
| 4091 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4092 #ifndef USDT2 |
| 0 | 4093 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4094 #else /* USDT2 */ |
| 4095 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4096 env, jobj); | |
| 4097 #endif /* USDT2 */ | |
| 0 | 4098 jint ret = JNI_ERR; |
| 4099 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4100 | |
| 4101 // If the object is null, we can't do anything with it | |
| 4102 if (jobj == NULL) { | |
| 4103 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4104 } | |
| 4105 | |
| 4106 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4107 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4108 ret = JNI_OK; | |
| 4109 return ret; | |
| 4110 JNI_END | |
| 4111 | |
| 4006 | 4112 #ifndef USDT2 |
| 0 | 4113 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4114 #else /* USDT2 */ |
| 4115 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4116 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4117 #endif /* USDT2 */ | |
| 0 | 4118 |
| 4119 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4120 #ifndef USDT2 |
| 0 | 4121 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4122 #else /* USDT2 */ |
| 4123 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4124 env, jobj); | |
| 4125 #endif /* USDT2 */ | |
| 0 | 4126 jint ret = JNI_ERR; |
| 4127 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4128 | |
| 4129 // Don't do anything with a null object | |
| 4130 if (jobj == NULL) { | |
| 4131 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4132 } | |
| 4133 | |
| 4134 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4135 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4136 | |
| 4137 ret = JNI_OK; | |
| 4138 return ret; | |
| 4139 JNI_END | |
| 4140 | |
| 4141 // | |
| 4142 // Extensions | |
| 4143 // | |
| 4144 | |
| 4006 | 4145 #ifndef USDT2 |
| 0 | 4146 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4147 #else /* USDT2 */ |
| 4148 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4149 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4150 #endif /* USDT2 */ | |
| 0 | 4151 |
| 4152 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4153 JNIWrapper("GetStringRegion"); | |
| 4006 | 4154 #ifndef USDT2 |
| 0 | 4155 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4156 #else /* USDT2 */ |
| 4157 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4158 env, string, start, len, buf); | |
| 4159 #endif /* USDT2 */ | |
| 0 | 4160 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4161 oop s = JNIHandles::resolve_non_null(string); | |
| 4162 int s_len = java_lang_String::length(s); | |
| 4163 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4164 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4165 } else { | |
| 4166 if (len > 0) { | |
| 4167 int s_offset = java_lang_String::offset(s); | |
| 4168 typeArrayOop s_value = java_lang_String::value(s); | |
| 4169 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4170 } | |
| 4171 } | |
| 4172 JNI_END | |
| 4173 | |
| 4006 | 4174 #ifndef USDT2 |
| 0 | 4175 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4176 #else /* USDT2 */ |
| 4177 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4178 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4179 #endif /* USDT2 */ | |
| 0 | 4180 |
| 4181 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4182 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4183 #ifndef USDT2 |
| 0 | 4184 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4185 #else /* USDT2 */ |
| 4186 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4187 env, string, start, len, buf); | |
| 4188 #endif /* USDT2 */ | |
| 0 | 4189 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4190 oop s = JNIHandles::resolve_non_null(string); | |
| 4191 int s_len = java_lang_String::length(s); | |
| 4192 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4193 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4194 } else { | |
| 4195 //%note jni_7 | |
| 4196 if (len > 0) { | |
| 4197 ResourceMark rm(THREAD); | |
| 4198 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4199 int utf_len = (int)strlen(utf_region); | |
| 4200 memcpy(buf, utf_region, utf_len); | |
| 4201 buf[utf_len] = 0; | |
| 4202 } else { | |
| 4203 // JDK null-terminates the buffer even in len is zero | |
| 4204 if (buf != NULL) { | |
| 4205 buf[0] = 0; | |
| 4206 } | |
| 4207 } | |
| 4208 } | |
| 4209 JNI_END | |
| 4210 | |
| 4211 | |
| 4212 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4213 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4214 #ifndef USDT2 |
| 0 | 4215 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4216 #else /* USDT2 */ |
| 4217 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4218 env, array, (uintptr_t *) isCopy); | |
| 4219 #endif /* USDT2 */ | |
| 0 | 4220 GC_locker::lock_critical(thread); |
| 4221 if (isCopy != NULL) { | |
| 4222 *isCopy = JNI_FALSE; | |
| 4223 } | |
| 4224 oop a = JNIHandles::resolve_non_null(array); | |
| 4225 assert(a->is_array(), "just checking"); | |
| 4226 BasicType type; | |
| 4227 if (a->is_objArray()) { | |
| 4228 type = T_OBJECT; | |
| 4229 } else { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
4230 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4231 } |
| 4232 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4233 #ifndef USDT2 |
| 0 | 4234 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4235 #else /* USDT2 */ |
| 4236 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4237 ret); | |
| 4238 #endif /* USDT2 */ | |
| 0 | 4239 return ret; |
| 4240 JNI_END | |
| 4241 | |
| 4242 | |
| 4243 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4244 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4245 #ifndef USDT2 |
| 0 | 4246 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4247 #else /* USDT2 */ |
| 4248 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4249 env, array, carray, mode); | |
| 4250 #endif /* USDT2 */ | |
| 0 | 4251 // The array, carray and mode arguments are ignored |
| 4252 GC_locker::unlock_critical(thread); | |
| 4006 | 4253 #ifndef USDT2 |
| 0 | 4254 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4255 #else /* USDT2 */ |
| 4256 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4257 ); | |
| 4258 #endif /* USDT2 */ | |
| 0 | 4259 JNI_END |
| 4260 | |
| 4261 | |
| 4262 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4263 JNIWrapper("GetStringCritical"); | |
| 4006 | 4264 #ifndef USDT2 |
| 0 | 4265 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4266 #else /* USDT2 */ |
| 4267 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4268 env, string, (uintptr_t *) isCopy); | |
| 4269 #endif /* USDT2 */ | |
| 0 | 4270 GC_locker::lock_critical(thread); |
| 4271 if (isCopy != NULL) { | |
| 4272 *isCopy = JNI_FALSE; | |
| 4273 } | |
| 4274 oop s = JNIHandles::resolve_non_null(string); | |
| 4275 int s_len = java_lang_String::length(s); | |
| 4276 typeArrayOop s_value = java_lang_String::value(s); | |
| 4277 int s_offset = java_lang_String::offset(s); | |
| 4278 const jchar* ret; | |
| 4279 if (s_len > 0) { | |
| 4280 ret = s_value->char_at_addr(s_offset); | |
| 4281 } else { | |
| 4282 ret = (jchar*) s_value->base(T_CHAR); | |
| 4283 } | |
| 4006 | 4284 #ifndef USDT2 |
| 0 | 4285 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4286 #else /* USDT2 */ |
| 4287 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4288 (uint16_t *) ret); | |
| 4289 #endif /* USDT2 */ | |
| 0 | 4290 return ret; |
| 4291 JNI_END | |
| 4292 | |
| 4293 | |
| 4294 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4295 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4296 #ifndef USDT2 |
| 0 | 4297 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4298 #else /* USDT2 */ |
| 4299 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4300 env, str, (uint16_t *) chars); | |
| 4301 #endif /* USDT2 */ | |
| 0 | 4302 // The str and chars arguments are ignored |
| 4303 GC_locker::unlock_critical(thread); | |
| 4006 | 4304 #ifndef USDT2 |
| 0 | 4305 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4306 #else /* USDT2 */ |
| 4307 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4308 ); | |
| 4309 #endif /* USDT2 */ | |
| 0 | 4310 JNI_END |
| 4311 | |
| 4312 | |
| 4313 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4314 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4315 #ifndef USDT2 |
| 0 | 4316 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4317 #else /* USDT2 */ |
| 4318 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4319 env, ref); | |
| 4320 #endif /* USDT2 */ | |
| 0 | 4321 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4322 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4323 #ifndef USDT2 |
| 0 | 4324 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4325 #else /* USDT2 */ |
| 4326 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4327 ret); | |
| 4328 #endif /* USDT2 */ | |
| 0 | 4329 return ret; |
| 4330 JNI_END | |
| 4331 | |
| 4332 // Must be JNI_ENTRY (with HandleMark) | |
| 4333 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4334 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4335 #ifndef USDT2 |
| 0 | 4336 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4337 #else /* USDT2 */ |
| 4338 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4339 env, ref); | |
| 4340 #endif /* USDT2 */ | |
| 0 | 4341 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4342 #ifndef USDT2 |
| 0 | 4343 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4344 #else /* USDT2 */ |
| 4345 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4346 ); | |
| 4347 #endif /* USDT2 */ | |
| 0 | 4348 JNI_END |
| 4349 | |
| 4350 | |
| 4351 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4352 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4353 #ifndef USDT2 |
| 0 | 4354 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4355 #else /* USDT2 */ |
| 4356 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4357 env); | |
| 4358 #endif /* USDT2 */ | |
| 0 | 4359 jni_check_async_exceptions(thread); |
| 4360 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4361 #ifndef USDT2 |
| 0 | 4362 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4363 #else /* USDT2 */ |
| 4364 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4365 ret); | |
| 4366 #endif /* USDT2 */ | |
| 0 | 4367 return ret; |
| 4368 JNI_END | |
| 4369 | |
| 4370 | |
| 4371 // Initialization state for three routines below relating to | |
| 4372 // java.nio.DirectBuffers | |
| 4373 static jint directBufferSupportInitializeStarted = 0; | |
| 4374 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4375 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4376 static jclass bufferClass = NULL; | |
| 4377 static jclass directBufferClass = NULL; | |
| 4378 static jclass directByteBufferClass = NULL; | |
| 4379 static jmethodID directByteBufferConstructor = NULL; | |
| 4380 static jfieldID directBufferAddressField = NULL; | |
| 4381 static jfieldID bufferCapacityField = NULL; | |
| 4382 | |
| 4383 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4384 Handle loader; // null (bootstrap) loader | |
| 4385 Handle protection_domain; // null protection domain | |
| 4386 | |
|
2177
3582bf76420e
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coleenp
parents:
1989
diff
changeset
|
4387 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4388 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
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579
diff
changeset
|
4389 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4390 if (TraceClassResolution && result != NULL) { |
|
6725
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coleenp
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6197
diff
changeset
|
4391 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4392 } |
|
715dceaa89b7
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acorn
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579
diff
changeset
|
4393 return result; |
| 0 | 4394 } |
| 4395 | |
| 4396 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4397 // circumvent any security checks that would be done by jni_FindClass. | |
| 4398 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4399 { | |
| 4400 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4401 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4402 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4403 return true; | |
| 4404 } | |
| 4405 JNI_END | |
| 4406 | |
| 4407 | |
| 4408 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4409 if (directBufferSupportInitializeFailed) { | |
| 4410 return false; | |
| 4411 } | |
| 4412 | |
| 4413 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4414 if (!lookupDirectBufferClasses(env)) { | |
| 4415 directBufferSupportInitializeFailed = 1; | |
| 4416 return false; | |
| 4417 } | |
| 4418 | |
| 4419 // Make global references for these | |
| 4420 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4421 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4422 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4423 | |
| 4424 // Get needed field and method IDs | |
| 4425 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4426 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4427 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4428 | |
| 4429 if ((directByteBufferConstructor == NULL) || | |
| 4430 (directBufferAddressField == NULL) || | |
| 4431 (bufferCapacityField == NULL)) { | |
| 4432 directBufferSupportInitializeFailed = 1; | |
| 4433 return false; | |
| 4434 } | |
| 4435 | |
| 4436 directBufferSupportInitializeEnded = 1; | |
| 4437 } else { | |
| 4438 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4439 // 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
|
4440 // 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
|
4441 // 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
|
4442 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4443 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4444 ThreadInVMfromNative tivn(thread); |
| 0 | 4445 os::yield_all(); |
| 4446 } | |
| 4447 } | |
| 4448 | |
| 4449 return !directBufferSupportInitializeFailed; | |
| 4450 } | |
| 4451 | |
| 4452 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4453 { | |
| 4454 // thread_from_jni_environment() will block if VM is gone. | |
| 4455 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4456 | |
| 4457 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4458 #ifndef USDT2 |
| 0 | 4459 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4460 #else /* USDT2 */ |
| 4461 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4462 env, address, capacity); | |
| 4463 #endif /* USDT2 */ | |
| 0 | 4464 |
| 4465 if (!directBufferSupportInitializeEnded) { | |
| 4466 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4467 #ifndef USDT2 |
| 0 | 4468 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4469 #else /* USDT2 */ |
| 4470 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4471 NULL); | |
| 4472 #endif /* USDT2 */ | |
| 0 | 4473 return NULL; |
| 4474 } | |
| 4475 } | |
| 4476 | |
| 4477 // Being paranoid about accidental sign extension on address | |
| 4478 jlong addr = (jlong) ((uintptr_t) address); | |
| 4479 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4480 // takes int capacity | |
| 4481 jint cap = (jint) capacity; | |
| 4482 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4483 #ifndef USDT2 |
| 0 | 4484 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4485 #else /* USDT2 */ |
| 4486 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4487 ret); | |
| 4488 #endif /* USDT2 */ | |
| 0 | 4489 return ret; |
| 4490 } | |
| 4491 | |
| 4006 | 4492 #ifndef USDT2 |
| 0 | 4493 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4494 #else /* USDT2 */ |
| 4495 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4496 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4497 #endif /* USDT2 */ | |
| 0 | 4498 |
| 4499 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4500 { | |
| 4501 // thread_from_jni_environment() will block if VM is gone. | |
| 4502 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4503 | |
| 4504 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4505 #ifndef USDT2 |
| 0 | 4506 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4507 #else /* USDT2 */ |
| 4508 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4509 env, buf); | |
| 4510 #endif /* USDT2 */ | |
| 0 | 4511 void* ret = NULL; |
| 4512 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4513 | |
| 4514 if (!directBufferSupportInitializeEnded) { | |
| 4515 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4516 return 0; | |
| 4517 } | |
| 4518 } | |
| 4519 | |
| 4520 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4521 return 0; | |
| 4522 } | |
| 4523 | |
| 4524 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4525 return ret; | |
| 4526 } | |
| 4527 | |
| 4006 | 4528 #ifndef USDT2 |
| 0 | 4529 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4530 #else /* USDT2 */ |
| 4531 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4532 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4533 #endif /* USDT2 */ | |
| 0 | 4534 |
| 4535 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4536 { | |
| 4537 // thread_from_jni_environment() will block if VM is gone. | |
| 4538 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4539 | |
| 4540 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4541 #ifndef USDT2 |
| 0 | 4542 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4543 #else /* USDT2 */ |
| 4544 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4545 env, buf); | |
| 4546 #endif /* USDT2 */ | |
| 0 | 4547 jlong ret = -1; |
| 4548 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4549 | |
| 4550 if (!directBufferSupportInitializeEnded) { | |
| 4551 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4552 ret = 0; | |
| 4553 return ret; | |
| 4554 } | |
| 4555 } | |
| 4556 | |
| 4557 if (buf == NULL) { | |
| 4558 return -1; | |
| 4559 } | |
| 4560 | |
| 4561 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4562 return -1; | |
| 4563 } | |
| 4564 | |
| 4565 // NOTE that capacity is currently an int in the implementation | |
| 4566 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4567 return ret; | |
| 4568 } | |
| 4569 | |
| 4570 | |
| 4571 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4572 JNIWrapper("GetVersion"); | |
| 4006 | 4573 #ifndef USDT2 |
| 0 | 4574 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4575 #else /* USDT2 */ |
| 4576 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4577 env); | |
| 4578 #endif /* USDT2 */ | |
| 4579 #ifndef USDT2 | |
| 0 | 4580 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4581 #else /* USDT2 */ |
| 4582 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4583 CurrentVersion); | |
| 4584 #endif /* USDT2 */ | |
| 0 | 4585 return CurrentVersion; |
| 4586 JNI_END | |
| 4587 | |
| 4588 extern struct JavaVM_ main_vm; | |
| 4589 | |
| 4590 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4591 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4592 #ifndef USDT2 |
| 0 | 4593 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4594 #else /* USDT2 */ |
| 4595 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4596 env, (void **) vm); | |
| 4597 #endif /* USDT2 */ | |
| 0 | 4598 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4599 #ifndef USDT2 |
| 0 | 4600 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4601 #else /* USDT2 */ |
| 4602 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4603 JNI_OK); | |
| 4604 #endif /* USDT2 */ | |
| 0 | 4605 return JNI_OK; |
| 4606 JNI_END | |
| 4607 | |
| 4608 // Structure containing all jni functions | |
| 4609 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4610 NULL, | |
| 4611 NULL, | |
| 4612 NULL, | |
| 4613 | |
| 4614 NULL, | |
| 4615 | |
| 4616 jni_GetVersion, | |
| 4617 | |
| 4618 jni_DefineClass, | |
| 4619 jni_FindClass, | |
| 4620 | |
| 4621 jni_FromReflectedMethod, | |
| 4622 jni_FromReflectedField, | |
| 4623 | |
| 4624 jni_ToReflectedMethod, | |
| 4625 | |
| 4626 jni_GetSuperclass, | |
| 4627 jni_IsAssignableFrom, | |
| 4628 | |
| 4629 jni_ToReflectedField, | |
| 4630 | |
| 4631 jni_Throw, | |
| 4632 jni_ThrowNew, | |
| 4633 jni_ExceptionOccurred, | |
| 4634 jni_ExceptionDescribe, | |
| 4635 jni_ExceptionClear, | |
| 4636 jni_FatalError, | |
| 4637 | |
| 4638 jni_PushLocalFrame, | |
| 4639 jni_PopLocalFrame, | |
| 4640 | |
| 4641 jni_NewGlobalRef, | |
| 4642 jni_DeleteGlobalRef, | |
| 4643 jni_DeleteLocalRef, | |
| 4644 jni_IsSameObject, | |
| 4645 | |
| 4646 jni_NewLocalRef, | |
| 4647 jni_EnsureLocalCapacity, | |
| 4648 | |
| 4649 jni_AllocObject, | |
| 4650 jni_NewObject, | |
| 4651 jni_NewObjectV, | |
| 4652 jni_NewObjectA, | |
| 4653 | |
| 4654 jni_GetObjectClass, | |
| 4655 jni_IsInstanceOf, | |
| 4656 | |
| 4657 jni_GetMethodID, | |
| 4658 | |
| 4659 jni_CallObjectMethod, | |
| 4660 jni_CallObjectMethodV, | |
| 4661 jni_CallObjectMethodA, | |
| 4662 jni_CallBooleanMethod, | |
| 4663 jni_CallBooleanMethodV, | |
| 4664 jni_CallBooleanMethodA, | |
| 4665 jni_CallByteMethod, | |
| 4666 jni_CallByteMethodV, | |
| 4667 jni_CallByteMethodA, | |
| 4668 jni_CallCharMethod, | |
| 4669 jni_CallCharMethodV, | |
| 4670 jni_CallCharMethodA, | |
| 4671 jni_CallShortMethod, | |
| 4672 jni_CallShortMethodV, | |
| 4673 jni_CallShortMethodA, | |
| 4674 jni_CallIntMethod, | |
| 4675 jni_CallIntMethodV, | |
| 4676 jni_CallIntMethodA, | |
| 4677 jni_CallLongMethod, | |
| 4678 jni_CallLongMethodV, | |
| 4679 jni_CallLongMethodA, | |
| 4680 jni_CallFloatMethod, | |
| 4681 jni_CallFloatMethodV, | |
| 4682 jni_CallFloatMethodA, | |
| 4683 jni_CallDoubleMethod, | |
| 4684 jni_CallDoubleMethodV, | |
| 4685 jni_CallDoubleMethodA, | |
| 4686 jni_CallVoidMethod, | |
| 4687 jni_CallVoidMethodV, | |
| 4688 jni_CallVoidMethodA, | |
| 4689 | |
| 4690 jni_CallNonvirtualObjectMethod, | |
| 4691 jni_CallNonvirtualObjectMethodV, | |
| 4692 jni_CallNonvirtualObjectMethodA, | |
| 4693 jni_CallNonvirtualBooleanMethod, | |
| 4694 jni_CallNonvirtualBooleanMethodV, | |
| 4695 jni_CallNonvirtualBooleanMethodA, | |
| 4696 jni_CallNonvirtualByteMethod, | |
| 4697 jni_CallNonvirtualByteMethodV, | |
| 4698 jni_CallNonvirtualByteMethodA, | |
| 4699 jni_CallNonvirtualCharMethod, | |
| 4700 jni_CallNonvirtualCharMethodV, | |
| 4701 jni_CallNonvirtualCharMethodA, | |
| 4702 jni_CallNonvirtualShortMethod, | |
| 4703 jni_CallNonvirtualShortMethodV, | |
| 4704 jni_CallNonvirtualShortMethodA, | |
| 4705 jni_CallNonvirtualIntMethod, | |
| 4706 jni_CallNonvirtualIntMethodV, | |
| 4707 jni_CallNonvirtualIntMethodA, | |
| 4708 jni_CallNonvirtualLongMethod, | |
| 4709 jni_CallNonvirtualLongMethodV, | |
| 4710 jni_CallNonvirtualLongMethodA, | |
| 4711 jni_CallNonvirtualFloatMethod, | |
| 4712 jni_CallNonvirtualFloatMethodV, | |
| 4713 jni_CallNonvirtualFloatMethodA, | |
| 4714 jni_CallNonvirtualDoubleMethod, | |
| 4715 jni_CallNonvirtualDoubleMethodV, | |
| 4716 jni_CallNonvirtualDoubleMethodA, | |
| 4717 jni_CallNonvirtualVoidMethod, | |
| 4718 jni_CallNonvirtualVoidMethodV, | |
| 4719 jni_CallNonvirtualVoidMethodA, | |
| 4720 | |
| 4721 jni_GetFieldID, | |
| 4722 | |
| 4723 jni_GetObjectField, | |
| 4724 jni_GetBooleanField, | |
| 4725 jni_GetByteField, | |
| 4726 jni_GetCharField, | |
| 4727 jni_GetShortField, | |
| 4728 jni_GetIntField, | |
| 4729 jni_GetLongField, | |
| 4730 jni_GetFloatField, | |
| 4731 jni_GetDoubleField, | |
| 4732 | |
| 4733 jni_SetObjectField, | |
| 4734 jni_SetBooleanField, | |
| 4735 jni_SetByteField, | |
| 4736 jni_SetCharField, | |
| 4737 jni_SetShortField, | |
| 4738 jni_SetIntField, | |
| 4739 jni_SetLongField, | |
| 4740 jni_SetFloatField, | |
| 4741 jni_SetDoubleField, | |
| 4742 | |
| 4743 jni_GetStaticMethodID, | |
| 4744 | |
| 4745 jni_CallStaticObjectMethod, | |
| 4746 jni_CallStaticObjectMethodV, | |
| 4747 jni_CallStaticObjectMethodA, | |
| 4748 jni_CallStaticBooleanMethod, | |
| 4749 jni_CallStaticBooleanMethodV, | |
| 4750 jni_CallStaticBooleanMethodA, | |
| 4751 jni_CallStaticByteMethod, | |
| 4752 jni_CallStaticByteMethodV, | |
| 4753 jni_CallStaticByteMethodA, | |
| 4754 jni_CallStaticCharMethod, | |
| 4755 jni_CallStaticCharMethodV, | |
| 4756 jni_CallStaticCharMethodA, | |
| 4757 jni_CallStaticShortMethod, | |
| 4758 jni_CallStaticShortMethodV, | |
| 4759 jni_CallStaticShortMethodA, | |
| 4760 jni_CallStaticIntMethod, | |
| 4761 jni_CallStaticIntMethodV, | |
| 4762 jni_CallStaticIntMethodA, | |
| 4763 jni_CallStaticLongMethod, | |
| 4764 jni_CallStaticLongMethodV, | |
| 4765 jni_CallStaticLongMethodA, | |
| 4766 jni_CallStaticFloatMethod, | |
| 4767 jni_CallStaticFloatMethodV, | |
| 4768 jni_CallStaticFloatMethodA, | |
| 4769 jni_CallStaticDoubleMethod, | |
| 4770 jni_CallStaticDoubleMethodV, | |
| 4771 jni_CallStaticDoubleMethodA, | |
| 4772 jni_CallStaticVoidMethod, | |
| 4773 jni_CallStaticVoidMethodV, | |
| 4774 jni_CallStaticVoidMethodA, | |
| 4775 | |
| 4776 jni_GetStaticFieldID, | |
| 4777 | |
| 4778 jni_GetStaticObjectField, | |
| 4779 jni_GetStaticBooleanField, | |
| 4780 jni_GetStaticByteField, | |
| 4781 jni_GetStaticCharField, | |
| 4782 jni_GetStaticShortField, | |
| 4783 jni_GetStaticIntField, | |
| 4784 jni_GetStaticLongField, | |
| 4785 jni_GetStaticFloatField, | |
| 4786 jni_GetStaticDoubleField, | |
| 4787 | |
| 4788 jni_SetStaticObjectField, | |
| 4789 jni_SetStaticBooleanField, | |
| 4790 jni_SetStaticByteField, | |
| 4791 jni_SetStaticCharField, | |
| 4792 jni_SetStaticShortField, | |
| 4793 jni_SetStaticIntField, | |
| 4794 jni_SetStaticLongField, | |
| 4795 jni_SetStaticFloatField, | |
| 4796 jni_SetStaticDoubleField, | |
| 4797 | |
| 4798 jni_NewString, | |
| 4799 jni_GetStringLength, | |
| 4800 jni_GetStringChars, | |
| 4801 jni_ReleaseStringChars, | |
| 4802 | |
| 4803 jni_NewStringUTF, | |
| 4804 jni_GetStringUTFLength, | |
| 4805 jni_GetStringUTFChars, | |
| 4806 jni_ReleaseStringUTFChars, | |
| 4807 | |
| 4808 jni_GetArrayLength, | |
| 4809 | |
| 4810 jni_NewObjectArray, | |
| 4811 jni_GetObjectArrayElement, | |
| 4812 jni_SetObjectArrayElement, | |
| 4813 | |
| 4814 jni_NewBooleanArray, | |
| 4815 jni_NewByteArray, | |
| 4816 jni_NewCharArray, | |
| 4817 jni_NewShortArray, | |
| 4818 jni_NewIntArray, | |
| 4819 jni_NewLongArray, | |
| 4820 jni_NewFloatArray, | |
| 4821 jni_NewDoubleArray, | |
| 4822 | |
| 4823 jni_GetBooleanArrayElements, | |
| 4824 jni_GetByteArrayElements, | |
| 4825 jni_GetCharArrayElements, | |
| 4826 jni_GetShortArrayElements, | |
| 4827 jni_GetIntArrayElements, | |
| 4828 jni_GetLongArrayElements, | |
| 4829 jni_GetFloatArrayElements, | |
| 4830 jni_GetDoubleArrayElements, | |
| 4831 | |
| 4832 jni_ReleaseBooleanArrayElements, | |
| 4833 jni_ReleaseByteArrayElements, | |
| 4834 jni_ReleaseCharArrayElements, | |
| 4835 jni_ReleaseShortArrayElements, | |
| 4836 jni_ReleaseIntArrayElements, | |
| 4837 jni_ReleaseLongArrayElements, | |
| 4838 jni_ReleaseFloatArrayElements, | |
| 4839 jni_ReleaseDoubleArrayElements, | |
| 4840 | |
| 4841 jni_GetBooleanArrayRegion, | |
| 4842 jni_GetByteArrayRegion, | |
| 4843 jni_GetCharArrayRegion, | |
| 4844 jni_GetShortArrayRegion, | |
| 4845 jni_GetIntArrayRegion, | |
| 4846 jni_GetLongArrayRegion, | |
| 4847 jni_GetFloatArrayRegion, | |
| 4848 jni_GetDoubleArrayRegion, | |
| 4849 | |
| 4850 jni_SetBooleanArrayRegion, | |
| 4851 jni_SetByteArrayRegion, | |
| 4852 jni_SetCharArrayRegion, | |
| 4853 jni_SetShortArrayRegion, | |
| 4854 jni_SetIntArrayRegion, | |
| 4855 jni_SetLongArrayRegion, | |
| 4856 jni_SetFloatArrayRegion, | |
| 4857 jni_SetDoubleArrayRegion, | |
| 4858 | |
| 4859 jni_RegisterNatives, | |
| 4860 jni_UnregisterNatives, | |
| 4861 | |
| 4862 jni_MonitorEnter, | |
| 4863 jni_MonitorExit, | |
| 4864 | |
| 4865 jni_GetJavaVM, | |
| 4866 | |
| 4867 jni_GetStringRegion, | |
| 4868 jni_GetStringUTFRegion, | |
| 4869 | |
| 4870 jni_GetPrimitiveArrayCritical, | |
| 4871 jni_ReleasePrimitiveArrayCritical, | |
| 4872 | |
| 4873 jni_GetStringCritical, | |
| 4874 jni_ReleaseStringCritical, | |
| 4875 | |
| 4876 jni_NewWeakGlobalRef, | |
| 4877 jni_DeleteWeakGlobalRef, | |
| 4878 | |
| 4879 jni_ExceptionCheck, | |
| 4880 | |
| 4881 jni_NewDirectByteBuffer, | |
| 4882 jni_GetDirectBufferAddress, | |
| 4883 jni_GetDirectBufferCapacity, | |
| 4884 | |
| 4885 // New 1_6 features | |
| 4886 | |
| 4887 jni_GetObjectRefType | |
| 4888 }; | |
| 4889 | |
| 4890 | |
| 4891 // For jvmti use to modify jni function table. | |
| 4892 // Java threads in native contiues to run until it is transitioned | |
| 4893 // to VM at safepoint. Before the transition or before it is blocked | |
| 4894 // for safepoint it may access jni function table. VM could crash if | |
| 4895 // any java thread access the jni function table in the middle of memcpy. | |
| 4896 // To avoid this each function pointers are copied automically. | |
| 4897 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4898 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4899 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4900 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4901 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4902 Atomic::store_ptr(*b++, a++); | |
| 4903 } | |
| 4904 } | |
| 4905 | |
| 4906 void quicken_jni_functions() { | |
| 4907 // Replace Get<Primitive>Field with fast versions | |
| 4908 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4909 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4910 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4911 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4912 // versions currently isn't certain for server vm on uniprocessor. | |
| 4913 && os::is_MP() | |
| 4914 #endif | |
| 4915 ) { | |
| 4916 address func; | |
| 4917 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4918 if (func != (address)-1) { | |
| 4919 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4920 } | |
| 4921 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4922 if (func != (address)-1) { | |
| 4923 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4924 } | |
| 4925 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4926 if (func != (address)-1) { | |
| 4927 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4928 } | |
| 4929 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4930 if (func != (address)-1) { | |
| 4931 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4932 } | |
| 4933 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4934 if (func != (address)-1) { | |
| 4935 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4936 } | |
| 4937 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4938 if (func != (address)-1) { | |
| 4939 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4940 } | |
| 4941 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4942 if (func != (address)-1) { | |
| 4943 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4944 } | |
| 4945 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4946 if (func != (address)-1) { | |
| 4947 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4948 } | |
| 4949 } | |
| 4950 } | |
| 4951 | |
| 4952 // Returns the function structure | |
| 4953 struct JNINativeInterface_* jni_functions() { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4954 #if INCLUDE_JNI_CHECK |
| 0 | 4955 if (CheckJNICalls) return jni_functions_check(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4956 #endif // INCLUDE_JNI_CHECK |
| 0 | 4957 return &jni_NativeInterface; |
| 4958 } | |
| 4959 | |
| 4960 // Returns the function structure | |
| 4961 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4962 return &jni_NativeInterface; | |
| 4963 } | |
| 4964 | |
| 4965 | |
| 4966 // Invocation API | |
| 4967 | |
| 4968 | |
| 4969 // Forward declaration | |
| 4970 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4971 | |
| 4972 // Global invocation API vars | |
| 4973 volatile jint vm_created = 0; | |
| 4974 // Indicate whether it is safe to recreate VM | |
| 4975 volatile jint safe_to_recreate_vm = 1; | |
| 4976 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 4977 | |
| 4978 | |
| 4979 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 4980 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 4981 | |
| 4006 | 4982 #ifndef USDT2 |
| 0 | 4983 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 4984 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 4985 #else /* USDT2 */ |
| 4986 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 4987 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 4988 #endif /* USDT2 */ | |
| 0 | 4989 |
| 4990 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 4991 #ifndef USDT2 |
| 0 | 4992 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 4993 #else /* USDT2 */ |
| 4994 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 4995 args_); | |
| 4996 #endif /* USDT2 */ | |
| 0 | 4997 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 4998 jint ret = JNI_ERR; | |
| 4999 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5000 | |
| 5001 if (Threads::is_supported_jni_version(args->version)) { | |
| 5002 ret = JNI_OK; | |
| 5003 } | |
| 5004 // 1.1 style no longer supported in hotspot. | |
| 5005 // According the JNI spec, we should update args->version on return. | |
| 5006 // We also use the structure to communicate with launcher about default | |
| 5007 // stack size. | |
| 5008 if (args->version == JNI_VERSION_1_1) { | |
| 5009 args->version = JNI_VERSION_1_2; | |
| 5010 // javaStackSize is int in arguments structure | |
| 5011 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5012 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5013 } | |
| 5014 return ret; | |
| 5015 } | |
| 5016 | |
| 3779 | 5017 #ifndef PRODUCT |
| 5018 | |
| 10405 | 5019 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5020 #include "gc_interface/collectedHeap.hpp" |
|
10333
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8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
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diff
changeset
|
5021 #if INCLUDE_ALL_GCS |
|
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diff
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|
5022 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
6702da6b6082
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diff
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|
5023 #endif |
| 3779 | 5024 #include "utilities/quickSort.hpp" |
| 7171 | 5025 #if INCLUDE_VM_STRUCTS |
| 5026 #include "runtime/vmStructs.hpp" | |
| 5027 #endif | |
| 3779 | 5028 |
| 4708 | 5029 #define run_unit_test(unit_test_function_call) \ |
| 5030 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5031 unit_test_function_call | |
| 5032 | |
| 3779 | 5033 void execute_internal_vm_tests() { |
| 5034 if (ExecuteInternalVMTests) { | |
| 4708 | 5035 tty->print_cr("Running internal VM tests"); |
|
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cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5036 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5037 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5038 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5039 run_unit_test(CollectedHeap::test_is_in()); | |
| 5040 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5041 run_unit_test(AltHashing::test_alt_hash()); |
| 7171 | 5042 #if INCLUDE_VM_STRUCTS |
| 5043 run_unit_test(VMStructs::test()); | |
| 5044 #endif | |
|
10333
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diff
changeset
|
5045 #if INCLUDE_ALL_GCS |
|
6702da6b6082
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tschatzl
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9060
diff
changeset
|
5046 run_unit_test(HeapRegionRemSet::test_prt()); |
|
6702da6b6082
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diff
changeset
|
5047 #endif |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5048 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5049 } |
| 5050 } | |
| 5051 | |
| 4708 | 5052 #undef run_unit_test |
| 5053 | |
| 3779 | 5054 #endif |
| 5055 | |
| 4006 | 5056 #ifndef USDT2 |
| 0 | 5057 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5058 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5059 #else /* USDT2 */ |
| 5060 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5061 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5062 #endif /* USDT2 */ | |
| 0 | 5063 |
| 5064 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5065 #ifndef USDT2 |
| 0 | 5066 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5067 #else /* USDT2 */ |
| 5068 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5069 (void **) vm, penv, args); | |
| 5070 #endif /* USDT2 */ | |
| 0 | 5071 |
| 5072 jint result = JNI_ERR; | |
| 5073 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5074 | |
| 1078 | 5075 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5076 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5077 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5078 // on all architectures. So we check it works before relying on it. | |
| 5079 #if defined(ZERO) && defined(ASSERT) | |
| 5080 { | |
| 5081 jint a = 0xcafebabe; | |
| 5082 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5083 void *c = &a; | |
| 5084 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5085 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5086 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5087 } | |
| 5088 #endif // ZERO && ASSERT | |
| 5089 | |
| 0 | 5090 // At the moment it's only possible to have one Java VM, |
| 5091 // since some of the runtime state is in global variables. | |
| 5092 | |
| 5093 // We cannot use our mutex locks here, since they only work on | |
| 5094 // Threads. We do an atomic compare and exchange to ensure only | |
| 5095 // one thread can call this method at a time | |
| 5096 | |
| 5097 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5098 // the add/dec implementations are dependent on whether we are running | |
| 5099 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5100 // function used to determine this will always return false. Atomic::xchg | |
| 5101 // does not have this problem. | |
| 5102 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5103 return JNI_ERR; // already created, or create attempt in progress | |
| 5104 } | |
| 5105 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5106 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5107 } | |
| 5108 | |
| 5109 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5110 | |
| 5111 /** | |
| 5112 * Certain errors during initialization are recoverable and do not | |
| 5113 * prevent this method from being called again at a later time | |
| 5114 * (perhaps with different arguments). However, at a certain | |
| 5115 * point during initialization if an error occurs we cannot allow | |
| 5116 * this function to be called again (or it will crash). In those | |
| 5117 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5118 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5119 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5120 */ | |
| 5121 bool can_try_again = true; | |
| 5122 | |
| 5123 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5124 if (result == JNI_OK) { | |
| 5125 JavaThread *thread = JavaThread::current(); | |
| 5126 /* thread is thread_in_vm here */ | |
| 5127 *vm = (JavaVM *)(&main_vm); | |
| 5128 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5129 | |
|
4368
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5130 #ifdef GRAAL |
|
7126
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
5131 GraalCompiler* graal_compiler = GraalCompiler::instance(); |
|
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7100
diff
changeset
|
5132 graal_compiler->initialize(); |
|
4368
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Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5133 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5134 |
| 0 | 5135 // Tracks the time application was running before GC |
| 5136 RuntimeService::record_application_start(); | |
| 5137 | |
| 5138 // Notify JVMTI | |
| 5139 if (JvmtiExport::should_post_thread_life()) { | |
| 5140 JvmtiExport::post_thread_start(thread); | |
| 5141 } | |
|
4800
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7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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4708
diff
changeset
|
5142 |
| 10405 | 5143 EventThreadStart event; |
| 5144 if (event.should_commit()) { | |
| 5145 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5146 event.commit(); | |
| 5147 } | |
|
4800
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phh
parents:
4708
diff
changeset
|
5148 |
| 0 | 5149 // Check if we should compile all classes on bootclasspath |
| 5150 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
|
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
5151 NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);) |
| 0 | 5152 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5153 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5154 } else { | |
| 5155 if (can_try_again) { | |
| 5156 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5157 safe_to_recreate_vm = 1; | |
| 5158 } | |
| 5159 | |
| 5160 // Creation failed. We must reset vm_created | |
| 5161 *vm = 0; | |
| 5162 *(JNIEnv**)penv = 0; | |
| 5163 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5164 // control both compiler and architectural-based reordering. | |
| 5165 OrderAccess::release_store(&vm_created, 0); | |
| 5166 } | |
| 5167 | |
|
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1290
diff
changeset
|
5168 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5169 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5170 return result; |
| 5171 } | |
| 5172 | |
| 4006 | 5173 #ifndef USDT2 |
| 0 | 5174 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5175 JavaVM**, jsize, jsize*); | |
| 5176 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5177 #endif /* !USDT2 */ |
| 0 | 5178 |
| 5179 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5180 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5181 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5182 #ifndef USDT2 |
| 0 | 5183 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5184 vm_buf, bufLen, numVMs); | |
| 4006 | 5185 #else /* USDT2 */ |
| 5186 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5187 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5188 #endif /* USDT2 */ | |
| 0 | 5189 if (vm_created) { |
| 5190 if (numVMs != NULL) *numVMs = 1; | |
| 5191 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5192 } else { | |
| 5193 if (numVMs != NULL) *numVMs = 0; | |
| 5194 } | |
| 4006 | 5195 #ifndef USDT2 |
| 0 | 5196 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5197 #else /* USDT2 */ |
| 5198 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5199 JNI_OK); | |
| 5200 #endif /* USDT2 */ | |
| 0 | 5201 return JNI_OK; |
| 5202 } | |
| 5203 | |
| 5204 extern "C" { | |
| 5205 | |
| 4006 | 5206 #ifndef USDT2 |
| 0 | 5207 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5208 #else /* USDT2 */ |
| 5209 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5210 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5211 #endif /* USDT2 */ | |
| 0 | 5212 |
| 5213 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5214 #ifndef USDT2 |
| 0 | 5215 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5216 #else /* USDT2 */ |
| 5217 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5218 vm); | |
| 5219 #endif /* USDT2 */ | |
| 0 | 5220 jint res = JNI_ERR; |
| 5221 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5222 | |
| 5223 if (!vm_created) { | |
| 5224 res = JNI_ERR; | |
| 5225 return res; | |
| 5226 } | |
| 5227 | |
| 5228 JNIWrapper("DestroyJavaVM"); | |
| 5229 JNIEnv *env; | |
| 5230 JavaVMAttachArgs destroyargs; | |
| 5231 destroyargs.version = CurrentVersion; | |
| 5232 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5233 destroyargs.group = NULL; | |
| 5234 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5235 if (res != JNI_OK) { | |
| 5236 return res; | |
| 5237 } | |
| 5238 | |
| 5239 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5240 JavaThread* thread = JavaThread::current(); | |
| 5241 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5242 if (Threads::destroy_vm()) { | |
| 5243 // Should not change thread state, VM is gone | |
| 5244 vm_created = false; | |
| 5245 res = JNI_OK; | |
| 5246 return res; | |
| 5247 } else { | |
| 5248 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5249 res = JNI_ERR; | |
| 5250 return res; | |
| 5251 } | |
| 5252 } | |
| 5253 | |
| 5254 | |
| 5255 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5256 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5257 | |
| 5258 // Check below commented out from JDK1.2fcs as well | |
| 5259 /* | |
| 5260 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5261 return JNI_EVERSION; | |
| 5262 } | |
| 5263 */ | |
| 5264 | |
| 5265 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5266 if (t != NULL) { | |
| 5267 // If the thread has been attached this operation is a no-op | |
| 5268 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5269 return JNI_OK; | |
| 5270 } | |
| 5271 | |
| 5272 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5273 // ThreadsListEnumerator - see CR 6404306 | |
| 5274 JavaThread* thread = new JavaThread(true); | |
| 5275 | |
| 5276 // Set correct safepoint info. The thread is going to call into Java when | |
| 5277 // initializing the Java level thread object. Hence, the correct state must | |
| 5278 // be set in order for the Safepoint code to deal with it correctly. | |
| 5279 thread->set_thread_state(_thread_in_vm); | |
| 5280 // Must do this before initialize_thread_local_storage | |
| 5281 thread->record_stack_base_and_size(); | |
|
1290
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6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5282 |
| 0 | 5283 thread->initialize_thread_local_storage(); |
| 5284 | |
| 5285 if (!os::create_attached_thread(thread)) { | |
| 5286 delete thread; | |
| 5287 return JNI_ERR; | |
| 5288 } | |
|
1290
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6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
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1142
diff
changeset
|
5289 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5290 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5291 |
| 0 | 5292 thread->initialize_tlab(); |
| 5293 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5294 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5295 |
| 0 | 5296 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5297 // not been added to the Thread list yet. | |
| 5298 { Threads_lock->lock_without_safepoint_check(); | |
| 5299 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5300 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5301 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5302 Threads::add(thread, daemon); | |
| 5303 Threads_lock->unlock(); | |
| 5304 } | |
| 5305 // Create thread group and name info from attach arguments | |
| 5306 oop group = NULL; | |
| 5307 char* thread_name = NULL; | |
| 5308 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5309 group = JNIHandles::resolve(args->group); | |
| 5310 thread_name = args->name; // may be NULL | |
| 5311 } | |
| 5312 if (group == NULL) group = Universe::main_thread_group(); | |
| 5313 | |
| 5314 // Create Java level thread object and attach it to this thread | |
| 5315 bool attach_failed = false; | |
| 5316 { | |
| 5317 EXCEPTION_MARK; | |
| 5318 HandleMark hm(THREAD); | |
| 5319 Handle thread_group(THREAD, group); | |
| 5320 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5321 if (HAS_PENDING_EXCEPTION) { | |
| 5322 CLEAR_PENDING_EXCEPTION; | |
| 5323 // cleanup outside the handle mark. | |
| 5324 attach_failed = true; | |
| 5325 } | |
| 5326 } | |
| 5327 | |
| 5328 if (attach_failed) { | |
| 5329 // Added missing cleanup | |
| 5330 thread->cleanup_failed_attach_current_thread(); | |
| 5331 return JNI_ERR; | |
| 5332 } | |
| 5333 | |
| 5334 // mark the thread as no longer attaching | |
| 5335 // this uses a fence to push the change through so we don't have | |
| 5336 // to regrab the threads_lock | |
| 4006 | 5337 thread->set_done_attaching_via_jni(); |
| 0 | 5338 |
| 5339 // Set java thread status. | |
| 5340 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5341 java_lang_Thread::RUNNABLE); | |
| 5342 | |
| 5343 // Notify the debugger | |
| 5344 if (JvmtiExport::should_post_thread_life()) { | |
| 5345 JvmtiExport::post_thread_start(thread); | |
| 5346 } | |
| 5347 | |
| 10405 | 5348 EventThreadStart event; |
| 5349 if (event.should_commit()) { | |
| 5350 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5351 event.commit(); | |
| 5352 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5353 |
| 0 | 5354 *(JNIEnv**)penv = thread->jni_environment(); |
| 5355 | |
| 5356 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5357 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5358 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5359 // needed. | |
| 5360 | |
| 5361 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5362 | |
| 5363 // Perform any platform dependent FPU setup | |
| 5364 os::setup_fpu(); | |
| 5365 | |
| 5366 return JNI_OK; | |
| 5367 } | |
| 5368 | |
| 5369 | |
| 5370 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5371 #ifndef USDT2 |
| 0 | 5372 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5373 #else /* USDT2 */ |
| 5374 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5375 vm, penv, _args); | |
| 5376 #endif /* USDT2 */ | |
| 0 | 5377 if (!vm_created) { |
| 4006 | 5378 #ifndef USDT2 |
| 0 | 5379 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5380 #else /* USDT2 */ |
| 5381 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5382 (uint32_t) JNI_ERR); | |
| 5383 #endif /* USDT2 */ | |
| 0 | 5384 return JNI_ERR; |
| 5385 } | |
| 5386 | |
| 5387 JNIWrapper("AttachCurrentThread"); | |
| 5388 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5389 #ifndef USDT2 |
| 0 | 5390 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5391 #else /* USDT2 */ |
| 5392 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5393 ret); | |
| 5394 #endif /* USDT2 */ | |
| 0 | 5395 return ret; |
| 5396 } | |
| 5397 | |
| 5398 | |
| 5399 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5400 #ifndef USDT2 |
| 0 | 5401 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5402 #else /* USDT2 */ |
| 5403 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5404 vm); | |
| 5405 #endif /* USDT2 */ | |
| 0 | 5406 VM_Exit::block_if_vm_exited(); |
| 5407 | |
| 5408 JNIWrapper("DetachCurrentThread"); | |
| 5409 | |
| 5410 // If the thread has been deattacted the operations is a no-op | |
| 5411 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5412 #ifndef USDT2 |
| 0 | 5413 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5414 #else /* USDT2 */ |
| 5415 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5416 JNI_OK); | |
| 5417 #endif /* USDT2 */ | |
| 0 | 5418 return JNI_OK; |
| 5419 } | |
| 5420 | |
| 5421 JavaThread* thread = JavaThread::current(); | |
| 5422 if (thread->has_last_Java_frame()) { | |
| 4006 | 5423 #ifndef USDT2 |
| 0 | 5424 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5425 #else /* USDT2 */ |
| 5426 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5427 (uint32_t) JNI_ERR); | |
| 5428 #endif /* USDT2 */ | |
| 0 | 5429 // Can't detach a thread that's running java, that can't work. |
| 5430 return JNI_ERR; | |
| 5431 } | |
| 5432 | |
| 5433 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5434 // middel of a safepoint operation | |
| 5435 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5436 | |
| 5437 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5438 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5439 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5440 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5441 // the removal of the guards is buried below in JavaThread::exit() | |
| 5442 // here. The abstraction should be more symmetrically either exposed | |
| 5443 // or hidden (e.g. it could probably be hidden in the same | |
| 5444 // (platform-dependent) methods where we do alternate stack | |
| 5445 // maintenance work?) | |
| 5446 thread->exit(false, JavaThread::jni_detach); | |
| 5447 delete thread; | |
| 5448 | |
| 4006 | 5449 #ifndef USDT2 |
| 0 | 5450 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5451 #else /* USDT2 */ |
| 5452 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5453 JNI_OK); | |
| 5454 #endif /* USDT2 */ | |
| 0 | 5455 return JNI_OK; |
| 5456 } | |
| 5457 | |
| 4006 | 5458 #ifndef USDT2 |
| 0 | 5459 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5460 #else /* USDT2 */ |
| 5461 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5462 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5463 #endif /* USDT2 */ | |
| 0 | 5464 |
| 5465 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5466 #ifndef USDT2 |
| 0 | 5467 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5468 #else /* USDT2 */ |
| 5469 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5470 vm, penv, version); | |
| 5471 #endif /* USDT2 */ | |
| 0 | 5472 jint ret = JNI_ERR; |
| 5473 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5474 | |
| 5475 if (!vm_created) { | |
| 5476 *penv = NULL; | |
| 5477 ret = JNI_EDETACHED; | |
| 5478 return ret; | |
| 5479 } | |
| 5480 | |
|
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changeset
|
5481 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5482 return ret; |
| 5483 } | |
| 5484 | |
| 5485 #ifndef JVMPI_VERSION_1 | |
| 5486 // need these in order to be polite about older agents | |
| 5487 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5488 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5489 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5490 #endif // !JVMPI_VERSION_1 | |
| 5491 | |
| 5492 Thread* thread = ThreadLocalStorage::thread(); | |
| 5493 if (thread != NULL && thread->is_Java_thread()) { | |
| 5494 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5495 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5496 ret = JNI_OK; | |
| 5497 return ret; | |
| 5498 | |
| 5499 } else if (version == JVMPI_VERSION_1 || | |
| 5500 version == JVMPI_VERSION_1_1 || | |
| 5501 version == JVMPI_VERSION_1_2) { | |
| 5502 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5503 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5504 ret = JNI_EVERSION; | |
| 5505 return ret; | |
| 5506 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5507 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5508 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5509 ret = JNI_EVERSION; | |
| 5510 return ret; | |
| 5511 } else { | |
| 5512 *penv = NULL; | |
| 5513 ret = JNI_EVERSION; | |
| 5514 return ret; | |
| 5515 } | |
| 5516 } else { | |
| 5517 *penv = NULL; | |
| 5518 ret = JNI_EDETACHED; | |
| 5519 return ret; | |
| 5520 } | |
| 5521 } | |
| 5522 | |
| 5523 | |
| 5524 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5525 #ifndef USDT2 |
| 0 | 5526 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5527 #else /* USDT2 */ |
| 5528 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5529 vm, penv, _args); | |
| 5530 #endif /* USDT2 */ | |
| 0 | 5531 if (!vm_created) { |
| 4006 | 5532 #ifndef USDT2 |
| 0 | 5533 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5534 #else /* USDT2 */ |
| 5535 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5536 (uint32_t) JNI_ERR); | |
| 5537 #endif /* USDT2 */ | |
| 0 | 5538 return JNI_ERR; |
| 5539 } | |
| 5540 | |
| 5541 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5542 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5543 #ifndef USDT2 |
| 0 | 5544 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5545 #else /* USDT2 */ |
| 5546 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5547 ret); | |
| 5548 #endif /* USDT2 */ | |
| 0 | 5549 return ret; |
| 5550 } | |
| 5551 | |
| 5552 | |
| 5553 } // End extern "C" | |
| 5554 | |
| 5555 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5556 NULL, | |
| 5557 NULL, | |
| 5558 NULL, | |
| 5559 | |
| 5560 jni_DestroyJavaVM, | |
| 5561 jni_AttachCurrentThread, | |
| 5562 jni_DetachCurrentThread, | |
| 5563 jni_GetEnv, | |
| 5564 jni_AttachCurrentThreadAsDaemon | |
| 5565 }; |