Mercurial > hg > graal-jvmci-8
annotate src/share/vm/prims/jni.cpp @ 24140:d4858e92c9b1
[GR-4077] support Graal.SDK on the boot class path and Truffle on a class path invisible to apps but visible to JVMCI
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Tue, 13 Jun 2017 14:22:54 +0200 |
| parents | f13e777eb255 |
| children | 190f5f33b7d3 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 23614 | 2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
|
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3 * Copyright (c) 2012 Red Hat, Inc. |
| 0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 0 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
| 6162 | 28 #include "classfile/altHashing.hpp" |
| 1972 | 29 #include "classfile/classLoader.hpp" |
| 30 #include "classfile/javaClasses.hpp" | |
| 31 #include "classfile/symbolTable.hpp" | |
| 32 #include "classfile/systemDictionary.hpp" | |
| 33 #include "classfile/vmSymbols.hpp" | |
| 34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
| 22298 | 36 #if INCLUDE_JVMCI |
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37 #include "jvmci/jvmciCompiler.hpp" |
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38 #include "jvmci/jvmciRuntime.hpp" |
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39 #endif |
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40 #if INCLUDE_ALL_GCS |
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41 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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42 #endif // INCLUDE_ALL_GCS |
| 6197 | 43 #include "memory/allocation.hpp" |
| 1972 | 44 #include "memory/allocation.inline.hpp" |
| 45 #include "memory/gcLocker.inline.hpp" | |
| 46 #include "memory/oopFactory.hpp" | |
| 47 #include "memory/universe.inline.hpp" | |
| 48 #include "oops/instanceKlass.hpp" | |
| 49 #include "oops/instanceOop.hpp" | |
| 50 #include "oops/markOop.hpp" | |
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51 #include "oops/method.hpp" |
| 1972 | 52 #include "oops/objArrayKlass.hpp" |
| 53 #include "oops/objArrayOop.hpp" | |
| 54 #include "oops/oop.inline.hpp" | |
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55 #include "oops/symbol.hpp" |
| 1972 | 56 #include "oops/typeArrayKlass.hpp" |
| 57 #include "oops/typeArrayOop.hpp" | |
| 58 #include "prims/jni.h" | |
| 59 #include "prims/jniCheck.hpp" | |
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60 #include "prims/jniExport.hpp" |
| 1972 | 61 #include "prims/jniFastGetField.hpp" |
| 62 #include "prims/jvm.h" | |
| 63 #include "prims/jvm_misc.hpp" | |
| 64 #include "prims/jvmtiExport.hpp" | |
| 65 #include "prims/jvmtiThreadState.hpp" | |
| 66 #include "runtime/compilationPolicy.hpp" | |
| 67 #include "runtime/fieldDescriptor.hpp" | |
| 68 #include "runtime/fprofiler.hpp" | |
| 69 #include "runtime/handles.inline.hpp" | |
| 70 #include "runtime/interfaceSupport.hpp" | |
| 71 #include "runtime/java.hpp" | |
| 72 #include "runtime/javaCalls.hpp" | |
| 73 #include "runtime/jfieldIDWorkaround.hpp" | |
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74 #include "runtime/orderAccess.inline.hpp" |
| 1972 | 75 #include "runtime/reflection.hpp" |
| 76 #include "runtime/sharedRuntime.hpp" | |
| 77 #include "runtime/signature.hpp" | |
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78 #include "runtime/thread.inline.hpp" |
| 1972 | 79 #include "runtime/vm_operations.hpp" |
| 20360 | 80 #include "services/memTracker.hpp" |
| 1972 | 81 #include "services/runtimeService.hpp" |
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82 #include "trace/tracing.hpp" |
| 1972 | 83 #include "utilities/defaultStream.hpp" |
| 84 #include "utilities/dtrace.hpp" | |
| 85 #include "utilities/events.hpp" | |
| 86 #include "utilities/histogram.hpp" | |
| 87 #ifdef TARGET_OS_FAMILY_linux | |
| 88 # include "os_linux.inline.hpp" | |
| 89 #endif | |
| 90 #ifdef TARGET_OS_FAMILY_solaris | |
| 91 # include "os_solaris.inline.hpp" | |
| 92 #endif | |
| 93 #ifdef TARGET_OS_FAMILY_windows | |
| 94 # include "os_windows.inline.hpp" | |
| 95 #endif | |
| 3960 | 96 #ifdef TARGET_OS_FAMILY_bsd |
| 97 # include "os_bsd.inline.hpp" | |
| 98 #endif | |
| 0 | 99 |
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100 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 101 |
| 102 | |
| 103 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 104 // '-return' probe regardless of the return path is taken out of the function. | |
| 105 // Methods that have multiple return paths use this to avoid having to | |
| 106 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 107 // since those macros can cause an immedate uninstrumented return. | |
| 108 // | |
| 109 // In order to get the return value, a reference to the variable containing | |
| 110 // the return value must be passed to the contructor of the object, and | |
| 111 // the return value must be set before return (since the mark object has | |
| 112 // a reference to it). | |
| 113 // | |
| 114 // Example: | |
| 115 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 116 // JNI_ENTRY(int, SomeFunc, ...) | |
| 117 // int return_value = 0; | |
| 118 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 119 // foo(CHECK_0) | |
| 120 // return_value = 5; | |
| 121 // return return_value; | |
| 122 // JNI_END | |
| 4006 | 123 #ifndef USDT2 |
| 0 | 124 #define DT_RETURN_MARK_DECL(name, type) \ |
| 125 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 126 DTRACE_ONLY( \ | |
| 127 class DTraceReturnProbeMark_##name { \ | |
| 128 public: \ | |
| 129 const type& _ret_ref; \ | |
| 130 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 131 ~DTraceReturnProbeMark_##name() { \ | |
| 132 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 133 } \ | |
| 134 } \ | |
| 135 ) | |
| 136 // Void functions are simpler since there's no return value | |
| 137 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 138 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 139 DTRACE_ONLY( \ | |
| 140 class DTraceReturnProbeMark_##name { \ | |
| 141 public: \ | |
| 142 ~DTraceReturnProbeMark_##name() { \ | |
| 143 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 144 } \ | |
| 145 } \ | |
| 146 ) | |
| 147 | |
| 4006 | 148 #else /* USDT2 */ |
| 149 | |
| 150 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 151 DTRACE_ONLY( \ | |
| 152 class DTraceReturnProbeMark_##name { \ | |
| 153 public: \ | |
| 154 const type& _ret_ref; \ | |
| 155 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 156 ~DTraceReturnProbeMark_##name() { \ | |
| 157 probe; \ | |
| 158 } \ | |
| 159 } \ | |
| 160 ) | |
| 161 // Void functions are simpler since there's no return value | |
| 162 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 163 DTRACE_ONLY( \ | |
| 164 class DTraceReturnProbeMark_##name { \ | |
| 165 public: \ | |
| 166 ~DTraceReturnProbeMark_##name() { \ | |
| 167 probe; \ | |
| 168 } \ | |
| 169 } \ | |
| 170 ) | |
| 171 #endif /* USDT2 */ | |
| 0 | 172 |
| 173 // Place these macros in the function to mark the return. Non-void | |
| 174 // functions need the type and address of the return value. | |
| 175 #define DT_RETURN_MARK(name, type, ref) \ | |
| 176 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 177 #define DT_VOID_RETURN_MARK(name) \ | |
| 178 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 179 | |
| 180 | |
| 181 // Use these to select distinct code for floating-point vs. non-floating point | |
| 182 // situations. Used from within common macros where we need slightly | |
| 183 // different behavior for Float/Double | |
| 184 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 189 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 190 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 191 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 192 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 193 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 194 FP_SELECT_##TypeName(intcode, fpcode) | |
| 195 | |
| 196 #define COMMA , | |
| 197 | |
| 198 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 199 // (dtrace doesn't do FP yet) | |
| 4006 | 200 #ifndef USDT2 |
| 0 | 201 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 202 FP_SELECT(TypeName, \ | |
| 203 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 204 #else /* USDT2 */ |
| 205 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 206 FP_SELECT(TypeName, \ | |
| 207 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 208 #endif /* USDT2 */ | |
| 0 | 209 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 210 FP_SELECT(TypeName, \ | |
| 211 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 212 | |
| 213 | |
| 214 // out-of-line helpers for class jfieldIDWorkaround: | |
| 215 | |
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216 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 217 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 218 uintptr_t as_uint = (uintptr_t) id; | |
| 219 intptr_t offset = raw_instance_offset(id); | |
| 220 if (is_checked_jfieldID(id)) { | |
| 221 if (!klass_hash_ok(k, id)) { | |
| 222 return false; | |
| 223 } | |
| 224 } | |
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225 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 226 } else { |
| 227 JNIid* result = (JNIid*) id; | |
| 228 #ifdef ASSERT | |
| 229 return result != NULL && result->is_static_field_id(); | |
| 230 #else | |
| 231 return result != NULL; | |
| 232 #endif | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 | |
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237 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 238 if (offset <= small_offset_mask) { |
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239 Klass* field_klass = k; |
| 6983 | 240 Klass* super_klass = field_klass->super(); |
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241 // With compressed oops the most super class with nonstatic fields would |
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242 // be the owner of fields embedded in the header. |
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243 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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244 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 245 field_klass = super_klass; // super contains the field also |
| 6983 | 246 super_klass = field_klass->super(); |
| 0 | 247 } |
| 248 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 249 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 250 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 251 } else { | |
| 252 #if 0 | |
| 253 #ifndef PRODUCT | |
| 254 { | |
| 255 ResourceMark rm; | |
| 6983 | 256 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 257 } |
| 258 #endif | |
| 259 #endif | |
| 260 return 0; | |
| 261 } | |
| 262 } | |
| 263 | |
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264 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 265 uintptr_t as_uint = (uintptr_t) id; |
| 266 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 267 do { | |
| 268 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 269 // Could use a non-blocking query for identity_hash here... | |
| 270 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 271 return true; | |
| 6983 | 272 k = k->super(); |
| 0 | 273 } while (k != NULL); |
| 274 return false; | |
| 275 } | |
| 276 | |
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277 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 278 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 279 uintptr_t as_uint = (uintptr_t) id; | |
| 280 intptr_t offset = raw_instance_offset(id); | |
| 281 if (VerifyJNIFields) { | |
| 282 if (is_checked_jfieldID(id)) { | |
| 283 guarantee(klass_hash_ok(k, id), | |
| 284 "Bug in native code: jfieldID class must match object"); | |
| 285 } else { | |
| 286 #if 0 | |
| 287 #ifndef PRODUCT | |
| 288 if (Verbose) { | |
| 289 ResourceMark rm; | |
| 6983 | 290 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 291 } |
| 292 #endif | |
| 293 #endif | |
| 294 } | |
| 295 } | |
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296 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 297 "Bug in native code: jfieldID offset must address interior of object"); |
| 298 } | |
| 299 | |
| 300 // Wrapper to trace JNI functions | |
| 301 | |
| 302 #ifdef ASSERT | |
| 303 Histogram* JNIHistogram; | |
| 304 static volatile jint JNIHistogram_lock = 0; | |
| 305 | |
| 306 class JNITraceWrapper : public StackObj { | |
| 307 public: | |
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308 JNITraceWrapper(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) { |
| 0 | 309 if (TraceJNICalls) { |
| 310 va_list ap; | |
| 311 va_start(ap, format); | |
| 312 tty->print("JNI "); | |
| 313 tty->vprint_cr(format, ap); | |
| 314 va_end(ap); | |
| 315 } | |
| 316 } | |
| 317 }; | |
| 318 | |
| 319 class JNIHistogramElement : public HistogramElement { | |
| 320 public: | |
| 321 JNIHistogramElement(const char* name); | |
| 322 }; | |
| 323 | |
| 324 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 325 _name = elementName; | |
| 326 uintx count = 0; | |
| 327 | |
| 328 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 329 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 330 count +=1; | |
| 331 if ( (WarnOnStalledSpinLock > 0) | |
| 332 && (count % WarnOnStalledSpinLock == 0)) { | |
| 333 warning("JNIHistogram_lock seems to be stalled"); | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 | |
| 339 if(JNIHistogram == NULL) | |
| 340 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 341 | |
| 342 JNIHistogram->add_element(this); | |
| 343 Atomic::dec(&JNIHistogram_lock); | |
| 344 } | |
| 345 | |
| 346 #define JNICountWrapper(arg) \ | |
| 347 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 348 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 349 if (e != NULL) e->increment_count() | |
| 350 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 351 #else | |
| 352 #define JNIWrapper(arg) | |
| 353 #endif | |
| 354 | |
| 355 | |
| 356 // Implementation of JNI entries | |
| 357 | |
| 4006 | 358 #ifndef USDT2 |
| 0 | 359 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 360 #else /* USDT2 */ |
| 361 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 362 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 363 #endif /* USDT2 */ | |
| 0 | 364 |
| 365 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 366 const jbyte *buf, jsize bufLen)) | |
| 367 JNIWrapper("DefineClass"); | |
| 368 | |
| 4006 | 369 #ifndef USDT2 |
| 0 | 370 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 371 env, name, loaderRef, buf, bufLen); | |
| 4006 | 372 #else /* USDT2 */ |
| 373 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 374 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 375 #endif /* USDT2 */ | |
| 0 | 376 jclass cls = NULL; |
| 377 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 378 | |
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379 TempNewSymbol class_name = NULL; |
| 0 | 380 // Since exceptions can be thrown, class initialization can take place |
| 381 // if name is NULL no check for class name in .class stream has to be made. | |
| 382 if (name != NULL) { | |
| 383 const int str_len = (int)strlen(name); | |
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384 if (str_len > Symbol::max_length()) { |
| 0 | 385 // It's impossible to create this class; the name cannot fit |
| 386 // into the constant pool. | |
| 387 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 388 } | |
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389 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 390 } |
| 391 ResourceMark rm(THREAD); | |
| 392 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 393 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 394 | |
| 395 if (UsePerfData && !class_loader.is_null()) { | |
| 396 // check whether the current caller thread holds the lock or not. | |
| 397 // If not, increment the corresponding counter | |
| 398 if (ObjectSynchronizer:: | |
| 399 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 400 ObjectSynchronizer::owner_self) { | |
| 401 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 402 } | |
| 403 } | |
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404 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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405 Handle(), &st, true, |
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406 CHECK_NULL); |
| 0 | 407 |
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408 if (TraceClassResolution && k != NULL) { |
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409 trace_class_resolution(k); |
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410 } |
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411 |
| 0 | 412 cls = (jclass)JNIHandles::make_local( |
| 6983 | 413 env, k->java_mirror()); |
| 0 | 414 return cls; |
| 415 JNI_END | |
| 416 | |
| 417 | |
| 418 | |
| 419 static bool first_time_FindClass = true; | |
| 420 | |
| 4006 | 421 #ifndef USDT2 |
| 0 | 422 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 423 #else /* USDT2 */ |
| 424 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 425 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 426 #endif /* USDT2 */ | |
| 0 | 427 |
| 428 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 429 JNIWrapper("FindClass"); | |
| 4006 | 430 #ifndef USDT2 |
| 0 | 431 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 432 #else /* USDT2 */ |
| 433 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 434 env, (char *)name); | |
| 435 #endif /* USDT2 */ | |
| 0 | 436 |
| 437 jclass result = NULL; | |
| 438 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 439 | |
| 440 // Remember if we are the first invocation of jni_FindClass | |
| 441 bool first_time = first_time_FindClass; | |
| 442 first_time_FindClass = false; | |
| 443 | |
| 444 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 445 // name we can fit in the constant pool. | |
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446 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 447 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 448 } | |
| 449 | |
| 450 //%note jni_3 | |
| 451 Handle loader; | |
| 452 Handle protection_domain; | |
| 453 // Find calling class | |
| 454 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 455 if (k.not_null()) { | |
| 456 loader = Handle(THREAD, k->class_loader()); | |
| 457 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 458 // in the correct class context. | |
| 459 if (loader.is_null() && | |
| 460 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 461 JavaValue result(T_OBJECT); | |
| 462 JavaCalls::call_static(&result, k, | |
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463 vmSymbols::getFromClass_name(), |
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464 vmSymbols::void_class_signature(), |
| 0 | 465 thread); |
| 466 if (HAS_PENDING_EXCEPTION) { | |
| 467 Handle ex(thread, thread->pending_exception()); | |
| 468 CLEAR_PENDING_EXCEPTION; | |
| 469 THROW_HANDLE_0(ex); | |
| 470 } | |
| 471 oop mirror = (oop) result.get_jobject(); | |
| 472 loader = Handle(THREAD, | |
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473 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 474 protection_domain = Handle(THREAD, |
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475 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 476 } |
| 477 } else { | |
| 478 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 479 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 480 } | |
| 481 | |
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482 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 483 result = find_class_from_class_loader(env, sym, true, loader, |
| 484 protection_domain, true, thread); | |
| 485 | |
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486 if (TraceClassResolution && result != NULL) { |
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487 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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488 } |
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489 |
| 0 | 490 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 491 // rather than just allowing invocation counter to overflow and decay. | |
| 492 // Controlled by flag DelayCompilationDuringStartup. | |
| 493 if (first_time && !CompileTheWorld) | |
| 494 CompilationPolicy::completed_vm_startup(); | |
| 495 | |
| 496 return result; | |
| 497 JNI_END | |
| 498 | |
| 4006 | 499 #ifndef USDT2 |
| 0 | 500 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 501 #else /* USDT2 */ |
| 502 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 503 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 504 #endif /* USDT2 */ | |
| 0 | 505 |
| 506 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 507 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 508 #ifndef USDT2 |
| 0 | 509 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 510 #else /* USDT2 */ |
| 511 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 512 env, method); | |
| 513 #endif /* USDT2 */ | |
| 0 | 514 jmethodID ret = NULL; |
| 515 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 516 | |
| 517 // method is a handle to a java.lang.reflect.Method object | |
| 518 oop reflected = JNIHandles::resolve_non_null(method); | |
| 519 oop mirror = NULL; | |
| 520 int slot = 0; | |
| 521 | |
| 1142 | 522 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 523 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 524 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 525 } else { | |
| 1142 | 526 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 527 mirror = java_lang_reflect_Method::clazz(reflected); |
| 528 slot = java_lang_reflect_Method::slot(reflected); | |
| 529 } | |
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530 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 531 |
| 532 KlassHandle k1(THREAD, k); | |
| 533 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 534 k1()->initialize(CHECK_NULL); |
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535 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 536 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 537 return ret; | |
| 538 JNI_END | |
| 539 | |
| 4006 | 540 #ifndef USDT2 |
| 0 | 541 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 542 #else /* USDT2 */ |
| 543 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 544 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 545 #endif /* USDT2 */ | |
| 0 | 546 |
| 547 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 548 JNIWrapper("FromReflectedField"); | |
| 4006 | 549 #ifndef USDT2 |
| 0 | 550 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 551 #else /* USDT2 */ |
| 552 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 553 env, field); | |
| 554 #endif /* USDT2 */ | |
| 0 | 555 jfieldID ret = NULL; |
| 556 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 557 | |
| 558 // field is a handle to a java.lang.reflect.Field object | |
| 559 oop reflected = JNIHandles::resolve_non_null(field); | |
| 560 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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561 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 562 int slot = java_lang_reflect_Field::slot(reflected); |
| 563 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 564 | |
| 565 KlassHandle k1(THREAD, k); | |
| 566 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 567 k1()->initialize(CHECK_NULL); |
| 0 | 568 |
| 569 // First check if this is a static field | |
| 570 if (modifiers & JVM_ACC_STATIC) { | |
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571 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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572 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 573 assert(id != NULL, "corrupt Field object"); |
| 574 debug_only(id->set_is_static_field_id();) | |
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575 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 576 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 577 return ret; | |
| 578 } | |
| 579 | |
| 580 // The slot is the index of the field description in the field-array | |
| 581 // The jfieldID is the offset of the field within the object | |
| 582 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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583 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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584 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 585 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 586 return ret; | |
| 587 JNI_END | |
| 588 | |
| 4006 | 589 #ifndef USDT2 |
| 0 | 590 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 591 #else /* USDT2 */ |
| 592 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 593 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 594 #endif /* USDT2 */ | |
| 0 | 595 |
| 596 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 597 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 598 #ifndef USDT2 |
| 0 | 599 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 600 #else /* USDT2 */ |
| 601 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 602 env, cls, (uintptr_t) method_id, isStatic); | |
| 603 #endif /* USDT2 */ | |
| 0 | 604 jobject ret = NULL; |
| 605 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 606 | |
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607 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 608 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 609 oop reflection_method; | |
| 610 if (m->is_initializer()) { | |
| 611 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 612 } else { | |
| 613 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 614 } | |
| 615 ret = JNIHandles::make_local(env, reflection_method); | |
| 616 return ret; | |
| 617 JNI_END | |
| 618 | |
| 4006 | 619 #ifndef USDT2 |
| 0 | 620 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 621 #else /* USDT2 */ |
| 622 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 623 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 624 #endif /* USDT2 */ | |
| 0 | 625 |
| 626 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 627 JNIWrapper("GetSuperclass"); | |
| 4006 | 628 #ifndef USDT2 |
| 0 | 629 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 630 #else /* USDT2 */ |
| 631 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 632 env, sub); | |
| 633 #endif /* USDT2 */ | |
| 0 | 634 jclass obj = NULL; |
| 635 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 636 | |
| 637 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 638 // primitive classes return NULL | |
| 639 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 640 | |
| 641 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 642 // arrays return Object | |
| 643 // interfaces return NULL | |
| 644 // proper classes return Klass::super() | |
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645 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 646 if (k->is_interface()) return NULL; |
| 0 | 647 |
| 648 // return mirror for superclass | |
| 6983 | 649 Klass* super = k->java_super(); |
| 0 | 650 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 651 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 652 ? SystemDictionary::Object_klass() |
| 6983 | 653 : k->super() ) ); |
| 0 | 654 assert(super == super2, |
| 655 "java_super computation depends on interface, array, other super"); | |
| 6983 | 656 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 657 return obj; |
| 658 JNI_END | |
| 659 | |
| 660 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 661 JNIWrapper("IsSubclassOf"); | |
| 4006 | 662 #ifndef USDT2 |
| 0 | 663 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 664 #else /* USDT2 */ |
| 665 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 666 env, sub, super); | |
| 667 #endif /* USDT2 */ | |
| 0 | 668 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 669 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 670 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 671 java_lang_Class::is_primitive(super_mirror)) { | |
| 672 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 673 #ifndef USDT2 |
| 0 | 674 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 675 #else /* USDT2 */ |
| 676 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 677 ret); | |
| 678 #endif /* USDT2 */ | |
| 0 | 679 return ret; |
| 680 } | |
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681 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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682 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 683 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 684 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 685 JNI_TRUE : JNI_FALSE; |
| 4006 | 686 #ifndef USDT2 |
| 0 | 687 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 688 #else /* USDT2 */ |
| 689 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 690 ret); | |
| 691 #endif /* USDT2 */ | |
| 0 | 692 return ret; |
| 693 JNI_END | |
| 694 | |
| 4006 | 695 #ifndef USDT2 |
| 0 | 696 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 697 #else /* USDT2 */ |
| 698 DT_RETURN_MARK_DECL(Throw, jint | |
| 699 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 700 #endif /* USDT2 */ | |
| 0 | 701 |
| 702 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 703 JNIWrapper("Throw"); | |
| 4006 | 704 #ifndef USDT2 |
| 0 | 705 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 706 #else /* USDT2 */ |
| 707 HOTSPOT_JNI_THROW_ENTRY( | |
| 708 env, obj); | |
| 709 #endif /* USDT2 */ | |
| 0 | 710 jint ret = JNI_OK; |
| 711 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 712 | |
| 713 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 714 ShouldNotReachHere(); | |
| 715 JNI_END | |
| 716 | |
| 4006 | 717 #ifndef USDT2 |
| 0 | 718 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 719 #else /* USDT2 */ |
| 720 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 721 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 722 #endif /* USDT2 */ | |
| 0 | 723 |
| 724 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 725 JNIWrapper("ThrowNew"); | |
| 4006 | 726 #ifndef USDT2 |
| 0 | 727 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 728 #else /* USDT2 */ |
| 729 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 730 env, clazz, (char *) message); | |
| 731 #endif /* USDT2 */ | |
| 0 | 732 jint ret = JNI_OK; |
| 733 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 734 | |
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735 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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736 Symbol* name = k->name(); |
| 0 | 737 Handle class_loader (THREAD, k->class_loader()); |
| 738 Handle protection_domain (THREAD, k->protection_domain()); | |
| 739 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 740 ShouldNotReachHere(); | |
| 741 JNI_END | |
| 742 | |
| 743 | |
| 744 // JNI functions only transform a pending async exception to a synchronous | |
| 745 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 746 // delivering an async exception in other places won't change the native | |
| 747 // code's control flow and would be harmful when native code further calls | |
| 748 // JNI functions with a pending exception. Async exception is also checked | |
| 749 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 750 // false but deliver the async exception at the very end during | |
| 751 // state transition. | |
| 752 | |
| 753 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 754 assert(thread == Thread::current(), "must be itself"); | |
| 755 thread->check_and_handle_async_exceptions(); | |
| 756 } | |
| 757 | |
| 758 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 759 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 760 #ifndef USDT2 |
| 0 | 761 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 762 #else /* USDT2 */ |
| 763 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 764 env); | |
| 765 #endif /* USDT2 */ | |
| 0 | 766 jni_check_async_exceptions(thread); |
| 767 oop exception = thread->pending_exception(); | |
| 768 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 769 #ifndef USDT2 |
| 0 | 770 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 771 #else /* USDT2 */ |
| 772 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 773 ret); | |
| 774 #endif /* USDT2 */ | |
| 0 | 775 return ret; |
| 776 JNI_END | |
| 777 | |
| 778 | |
| 779 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 780 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 781 #ifndef USDT2 |
| 0 | 782 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 783 #else /* USDT2 */ |
| 784 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 785 env); | |
| 786 #endif /* USDT2 */ | |
| 0 | 787 if (thread->has_pending_exception()) { |
| 788 Handle ex(thread, thread->pending_exception()); | |
| 789 thread->clear_pending_exception(); | |
| 1142 | 790 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 791 // Don't print anything if we are being killed. |
| 792 } else { | |
| 793 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 794 if (thread != NULL && thread->threadObj() != NULL) { | |
| 795 ResourceMark rm(THREAD); | |
| 796 jio_fprintf(defaultStream::error_stream(), | |
| 797 "in thread \"%s\" ", thread->get_thread_name()); | |
| 798 } | |
| 1142 | 799 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 800 JavaValue result(T_VOID); |
| 801 JavaCalls::call_virtual(&result, | |
| 802 ex, | |
| 803 KlassHandle(THREAD, | |
| 1142 | 804 SystemDictionary::Throwable_klass()), |
|
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805 vmSymbols::printStackTrace_name(), |
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806 vmSymbols::void_method_signature(), |
| 0 | 807 THREAD); |
| 808 // If an exception is thrown in the call it gets thrown away. Not much | |
| 809 // we can do with it. The native code that calls this, does not check | |
| 810 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 811 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 812 // is expected. | |
| 813 CLEAR_PENDING_EXCEPTION; | |
| 814 } else { | |
| 815 ResourceMark rm(THREAD); | |
| 816 jio_fprintf(defaultStream::error_stream(), | |
| 817 ". Uncaught exception of type %s.", | |
| 6983 | 818 ex->klass()->external_name()); |
| 0 | 819 } |
| 820 } | |
| 821 } | |
| 4006 | 822 #ifndef USDT2 |
| 0 | 823 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 824 #else /* USDT2 */ |
| 825 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 826 ); | |
| 827 #endif /* USDT2 */ | |
| 0 | 828 JNI_END |
| 829 | |
| 830 | |
| 831 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 832 JNIWrapper("ExceptionClear"); | |
| 4006 | 833 #ifndef USDT2 |
| 0 | 834 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 835 #else /* USDT2 */ |
| 836 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 837 env); | |
| 838 #endif /* USDT2 */ | |
| 0 | 839 |
| 840 // The jni code might be using this API to clear java thrown exception. | |
| 841 // So just mark jvmti thread exception state as exception caught. | |
| 842 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 843 if (state != NULL && state->is_exception_detected()) { | |
| 844 state->set_exception_caught(); | |
| 845 } | |
| 846 thread->clear_pending_exception(); | |
| 4006 | 847 #ifndef USDT2 |
| 0 | 848 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 849 #else /* USDT2 */ |
| 850 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 851 ); | |
| 852 #endif /* USDT2 */ | |
| 0 | 853 JNI_END |
| 854 | |
| 855 | |
| 856 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 857 JNIWrapper("FatalError"); | |
| 4006 | 858 #ifndef USDT2 |
| 0 | 859 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 860 #else /* USDT2 */ |
| 861 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 862 env, (char *) msg); | |
| 863 #endif /* USDT2 */ | |
| 0 | 864 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 865 thread->print_stack(); | |
|
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866 os::abort(); // Dump core and abort |
| 0 | 867 JNI_END |
| 868 | |
| 869 | |
| 870 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 871 JNIWrapper("PushLocalFrame"); | |
| 4006 | 872 #ifndef USDT2 |
| 0 | 873 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 874 #else /* USDT2 */ |
| 875 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 876 env, capacity); | |
| 877 #endif /* USDT2 */ | |
| 0 | 878 //%note jni_11 |
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879 if (capacity < 0 || |
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880 ((MaxJNILocalCapacity > 0) && (capacity > MaxJNILocalCapacity))) { |
| 4006 | 881 #ifndef USDT2 |
| 0 | 882 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 883 #else /* USDT2 */ |
| 884 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 885 (uint32_t)JNI_ERR); | |
| 886 #endif /* USDT2 */ | |
| 0 | 887 return JNI_ERR; |
| 888 } | |
| 889 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 890 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 891 assert(new_handles != NULL, "should not be NULL"); | |
| 892 new_handles->set_pop_frame_link(old_handles); | |
| 893 thread->set_active_handles(new_handles); | |
| 894 jint ret = JNI_OK; | |
| 4006 | 895 #ifndef USDT2 |
| 0 | 896 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 897 #else /* USDT2 */ |
| 898 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 899 ret); | |
| 900 #endif /* USDT2 */ | |
| 0 | 901 return ret; |
| 902 JNI_END | |
| 903 | |
| 904 | |
| 905 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 906 JNIWrapper("PopLocalFrame"); | |
| 4006 | 907 #ifndef USDT2 |
| 0 | 908 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 909 #else /* USDT2 */ |
| 910 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 911 env, result); | |
| 912 #endif /* USDT2 */ | |
| 0 | 913 //%note jni_11 |
| 914 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 915 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 916 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 917 if (new_handles != NULL) { | |
| 918 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 919 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 920 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 921 // the release_block call will release the blocks. | |
| 922 thread->set_active_handles(new_handles); | |
| 923 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 924 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 925 result = JNIHandles::make_local(thread, result_handle()); | |
| 926 } | |
| 4006 | 927 #ifndef USDT2 |
| 0 | 928 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 929 #else /* USDT2 */ |
| 930 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 931 result); | |
| 932 #endif /* USDT2 */ | |
| 0 | 933 return result; |
| 934 JNI_END | |
| 935 | |
| 936 | |
| 937 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 938 JNIWrapper("NewGlobalRef"); | |
| 4006 | 939 #ifndef USDT2 |
| 0 | 940 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 941 #else /* USDT2 */ |
| 942 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 943 env, ref); | |
| 944 #endif /* USDT2 */ | |
| 0 | 945 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 946 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 947 #ifndef USDT2 |
| 0 | 948 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 949 #else /* USDT2 */ |
| 950 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 951 ret); | |
| 952 #endif /* USDT2 */ | |
| 0 | 953 return ret; |
| 954 JNI_END | |
| 955 | |
| 956 // Must be JNI_ENTRY (with HandleMark) | |
| 957 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 958 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 959 #ifndef USDT2 |
| 0 | 960 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 961 #else /* USDT2 */ |
| 962 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 963 env, ref); | |
| 964 #endif /* USDT2 */ | |
| 0 | 965 JNIHandles::destroy_global(ref); |
| 4006 | 966 #ifndef USDT2 |
| 0 | 967 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 968 #else /* USDT2 */ |
| 969 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 970 ); | |
| 971 #endif /* USDT2 */ | |
| 0 | 972 JNI_END |
| 973 | |
| 974 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 975 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 976 #ifndef USDT2 |
| 0 | 977 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 978 #else /* USDT2 */ |
| 979 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 980 env, obj); | |
| 981 #endif /* USDT2 */ | |
| 0 | 982 JNIHandles::destroy_local(obj); |
| 4006 | 983 #ifndef USDT2 |
| 0 | 984 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 985 #else /* USDT2 */ |
| 986 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 987 ); | |
| 988 #endif /* USDT2 */ | |
| 0 | 989 JNI_END |
| 990 | |
| 991 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 992 JNIWrapper("IsSameObject"); | |
| 4006 | 993 #ifndef USDT2 |
| 0 | 994 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 995 #else /* USDT2 */ |
| 996 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 997 env, r1, r2); | |
| 998 #endif /* USDT2 */ | |
| 0 | 999 oop a = JNIHandles::resolve(r1); |
| 1000 oop b = JNIHandles::resolve(r2); | |
| 1001 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1002 #ifndef USDT2 |
| 0 | 1003 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1004 #else /* USDT2 */ |
| 1005 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1006 ret); | |
| 1007 #endif /* USDT2 */ | |
| 0 | 1008 return ret; |
| 1009 JNI_END | |
| 1010 | |
| 1011 | |
| 1012 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1013 JNIWrapper("NewLocalRef"); | |
| 4006 | 1014 #ifndef USDT2 |
| 0 | 1015 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1016 #else /* USDT2 */ |
| 1017 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1018 env, ref); | |
| 1019 #endif /* USDT2 */ | |
| 0 | 1020 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1021 #ifndef USDT2 |
| 0 | 1022 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1023 #else /* USDT2 */ |
| 1024 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1025 ret); | |
| 1026 #endif /* USDT2 */ | |
| 0 | 1027 return ret; |
| 1028 JNI_END | |
| 1029 | |
| 1030 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1031 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1032 #ifndef USDT2 |
| 0 | 1033 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1034 #else /* USDT2 */ |
| 1035 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1036 env, capacity); | |
| 1037 #endif /* USDT2 */ | |
| 0 | 1038 jint ret; |
|
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1040 ((MaxJNILocalCapacity <= 0) || (capacity <= MaxJNILocalCapacity))) { |
| 0 | 1041 ret = JNI_OK; |
| 1042 } else { | |
| 1043 ret = JNI_ERR; | |
| 1044 } | |
| 4006 | 1045 #ifndef USDT2 |
| 0 | 1046 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1047 #else /* USDT2 */ |
| 1048 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1049 ret); | |
| 1050 #endif /* USDT2 */ | |
| 0 | 1051 return ret; |
| 1052 JNI_END | |
| 1053 | |
| 1054 // Return the Handle Type | |
| 1055 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1056 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1057 #ifndef USDT2 |
| 0 | 1058 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1059 #else /* USDT2 */ |
| 1060 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1061 env, obj); | |
| 1062 #endif /* USDT2 */ | |
| 0 | 1063 jobjectRefType ret; |
| 1064 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1065 JNIHandles::is_frame_handle(thread, obj)) | |
| 1066 ret = JNILocalRefType; | |
| 1067 else if (JNIHandles::is_global_handle(obj)) | |
| 1068 ret = JNIGlobalRefType; | |
| 1069 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1070 ret = JNIWeakGlobalRefType; | |
| 1071 else | |
| 1072 ret = JNIInvalidRefType; | |
| 4006 | 1073 #ifndef USDT2 |
| 0 | 1074 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1075 #else /* USDT2 */ |
| 1076 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1077 (void *) ret); | |
| 1078 #endif /* USDT2 */ | |
| 0 | 1079 return ret; |
| 1080 JNI_END | |
| 1081 | |
| 1082 | |
| 1083 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1084 protected: | |
| 1085 JavaCallArguments* _arguments; | |
| 1086 | |
| 1087 virtual void get_bool () = 0; | |
| 1088 virtual void get_char () = 0; | |
| 1089 virtual void get_short () = 0; | |
| 1090 virtual void get_byte () = 0; | |
| 1091 virtual void get_int () = 0; | |
| 1092 virtual void get_long () = 0; | |
| 1093 virtual void get_float () = 0; | |
| 1094 virtual void get_double () = 0; | |
| 1095 virtual void get_object () = 0; | |
| 1096 | |
|
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1097 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1098 this->_return_type = T_ILLEGAL; |
| 1099 _arguments = NULL; | |
| 1100 } | |
| 1101 | |
| 1102 public: | |
| 1103 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1104 | |
| 1105 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1106 | |
| 1107 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1108 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1109 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1110 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1111 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1112 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1113 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1114 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1115 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1116 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1117 inline void do_void() { } | |
| 1118 | |
| 1119 JavaCallArguments* arguments() { return _arguments; } | |
| 1120 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1121 }; | |
| 1122 | |
| 1123 | |
| 1124 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1125 protected: | |
| 1126 va_list _ap; | |
| 1127 | |
|
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1128 inline void get_bool() { |
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1129 // Normalize boolean arguments from native code by converting 1-255 to JNI_TRUE and |
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1130 // 0 to JNI_FALSE. Boolean return values from native are normalized the same in |
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1131 // TemplateInterpreterGenerator::generate_result_handler_for and |
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1132 // SharedRuntime::generate_native_wrapper. |
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1133 jboolean b = va_arg(_ap, jint); |
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1134 _arguments->push_int((jint)(b == 0 ? JNI_FALSE : JNI_TRUE)); |
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1135 } |
| 0 | 1136 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg |
| 1137 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1138 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1139 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1140 | |
| 1141 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1142 | |
| 1143 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1144 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1145 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1146 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1147 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1148 | |
| 1149 inline void set_ap(va_list rap) { | |
| 1150 #ifdef va_copy | |
| 1151 va_copy(_ap, rap); | |
| 1152 #elif defined (__va_copy) | |
| 1153 __va_copy(_ap, rap); | |
| 1154 #else | |
| 1155 _ap = rap; | |
| 1156 #endif | |
| 1157 } | |
| 1158 | |
| 1159 public: | |
|
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1160 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1161 : JNI_ArgumentPusher(signature) { |
| 0 | 1162 set_ap(rap); |
| 1163 } | |
|
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1164 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1165 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1166 set_ap(rap); |
| 1167 } | |
| 1168 | |
| 1169 // Optimized path if we have the bitvector form of signature | |
| 1170 void iterate( uint64_t fingerprint ) { | |
| 1171 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1172 else { | |
| 1173 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1174 result_feature_mask); | |
| 1175 | |
| 1176 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1177 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1178 while ( 1 ) { | |
| 1179 switch ( fingerprint & parameter_feature_mask ) { | |
| 1180 case bool_parm: | |
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1181 get_bool(); |
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1182 break; |
| 0 | 1183 case char_parm: |
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1184 get_char(); |
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1185 break; |
| 0 | 1186 case short_parm: |
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1187 get_short(); |
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1188 break; |
| 0 | 1189 case byte_parm: |
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1190 get_byte(); |
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1191 break; |
| 0 | 1192 case int_parm: |
| 1193 get_int(); | |
| 1194 break; | |
| 1195 case obj_parm: | |
| 1196 get_object(); | |
| 1197 break; | |
| 1198 case long_parm: | |
| 1199 get_long(); | |
| 1200 break; | |
| 1201 case float_parm: | |
| 1202 get_float(); | |
| 1203 break; | |
| 1204 case double_parm: | |
| 1205 get_double(); | |
| 1206 break; | |
| 1207 case done_parm: | |
| 1208 return; | |
| 1209 break; | |
| 1210 default: | |
| 1211 ShouldNotReachHere(); | |
| 1212 break; | |
| 1213 } | |
| 1214 fingerprint >>= parameter_feature_size; | |
| 1215 } | |
| 1216 } | |
| 1217 } | |
| 1218 }; | |
| 1219 | |
| 1220 | |
| 1221 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1222 protected: | |
| 1223 const jvalue *_ap; | |
| 1224 | |
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1225 inline void get_bool() { |
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1226 // Normalize boolean arguments from native code by converting 1-255 to JNI_TRUE and |
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1227 // 0 to JNI_FALSE. Boolean return values from native are normalized the same in |
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1228 // TemplateInterpreterGenerator::generate_result_handler_for and |
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1229 // SharedRuntime::generate_native_wrapper. |
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1230 jboolean b = (_ap++)->z; |
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1231 _arguments->push_int((jint)(b == 0 ? JNI_FALSE : JNI_TRUE)); |
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1232 } |
| 0 | 1233 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } |
| 1234 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1235 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1236 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1237 | |
| 1238 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1239 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1240 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1241 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1242 | |
| 1243 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1244 | |
| 1245 public: | |
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1246 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1247 : JNI_ArgumentPusher(signature) { |
| 0 | 1248 set_ap(rap); |
| 1249 } | |
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1250 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1251 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1252 set_ap(rap); |
| 1253 } | |
| 1254 | |
| 1255 // Optimized path if we have the bitvector form of signature | |
| 1256 void iterate( uint64_t fingerprint ) { | |
| 1257 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1258 else { | |
| 1259 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1260 result_feature_mask); | |
| 1261 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1262 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1263 while ( 1 ) { | |
| 1264 switch ( fingerprint & parameter_feature_mask ) { | |
| 1265 case bool_parm: | |
| 1266 get_bool(); | |
| 1267 break; | |
| 1268 case char_parm: | |
| 1269 get_char(); | |
| 1270 break; | |
| 1271 case short_parm: | |
| 1272 get_short(); | |
| 1273 break; | |
| 1274 case byte_parm: | |
| 1275 get_byte(); | |
| 1276 break; | |
| 1277 case int_parm: | |
| 1278 get_int(); | |
| 1279 break; | |
| 1280 case obj_parm: | |
| 1281 get_object(); | |
| 1282 break; | |
| 1283 case long_parm: | |
| 1284 get_long(); | |
| 1285 break; | |
| 1286 case float_parm: | |
| 1287 get_float(); | |
| 1288 break; | |
| 1289 case double_parm: | |
| 1290 get_double(); | |
| 1291 break; | |
| 1292 case done_parm: | |
| 1293 return; | |
| 1294 break; | |
| 1295 default: | |
| 1296 ShouldNotReachHere(); | |
| 1297 break; | |
| 1298 } | |
| 1299 fingerprint >>= parameter_feature_size; | |
| 1300 } | |
| 1301 } | |
| 1302 } | |
| 1303 }; | |
| 1304 | |
| 1305 | |
| 1306 enum JNICallType { | |
| 1307 JNI_STATIC, | |
| 1308 JNI_VIRTUAL, | |
| 1309 JNI_NONVIRTUAL | |
| 1310 }; | |
| 1311 | |
| 1312 | |
| 1313 | |
| 1314 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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1315 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1316 |
| 1317 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1318 // the jni parser | |
| 1319 ResourceMark rm(THREAD); | |
| 1320 int number_of_parameters = method->size_of_parameters(); | |
| 1321 JavaCallArguments java_args(number_of_parameters); | |
| 1322 args->set_java_argument_object(&java_args); | |
| 1323 | |
| 1324 assert(method->is_static(), "method should be static"); | |
| 1325 | |
| 1326 // Fill out JavaCallArguments object | |
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1327 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1328 // Initialize result type |
| 1329 result->set_type(args->get_ret_type()); | |
| 1330 | |
| 1331 // Invoke the method. Result is returned as oop. | |
| 1332 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1333 | |
| 1334 // Convert result | |
| 1335 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1336 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1337 } | |
| 1338 } | |
| 1339 | |
| 1340 | |
| 1341 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1342 oop recv = JNIHandles::resolve(receiver); | |
| 1343 if (recv == NULL) { | |
| 1344 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1345 } | |
| 1346 Handle h_recv(THREAD, recv); | |
| 1347 | |
| 1348 int number_of_parameters; | |
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1349 Method* selected_method; |
| 0 | 1350 { |
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1351 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1352 number_of_parameters = m->size_of_parameters(); |
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1353 Klass* holder = m->method_holder(); |
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1354 if (call_type != JNI_VIRTUAL) { |
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1355 selected_method = m; |
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1356 } else if (!m->has_itable_index()) { |
| 0 | 1357 // non-interface call -- for that little speed boost, don't handlize |
| 1358 debug_only(No_Safepoint_Verifier nosafepoint;) | |
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1359 // jni_GetMethodID makes sure class is linked and initialized |
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1360 // so m should have a valid vtable index. |
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1361 assert(m->valid_vtable_index(), "no valid vtable index"); |
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1362 int vtbl_index = m->vtable_index(); |
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1363 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1364 Klass* k = h_recv->klass(); |
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1365 // k might be an arrayKlassOop but all vtables start at |
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1366 // the same place. The cast is to avoid virtual call and assertion. |
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1367 InstanceKlass *ik = (InstanceKlass*)k; |
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1368 selected_method = ik->method_at_vtable(vtbl_index); |
| 0 | 1369 } else { |
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1370 // final method |
| 0 | 1371 selected_method = m; |
| 1372 } | |
| 1373 } else { | |
| 1374 // interface call | |
| 1375 KlassHandle h_holder(THREAD, holder); | |
| 1376 | |
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1377 int itbl_index = m->itable_index(); |
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1378 Klass* k = h_recv->klass(); |
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1379 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1380 } |
| 1381 } | |
| 1382 | |
| 1383 methodHandle method(THREAD, selected_method); | |
| 1384 | |
| 1385 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1386 // the jni parser | |
| 1387 ResourceMark rm(THREAD); | |
| 1388 JavaCallArguments java_args(number_of_parameters); | |
| 1389 args->set_java_argument_object(&java_args); | |
| 1390 | |
| 1391 // handle arguments | |
| 1392 assert(!method->is_static(), "method should not be static"); | |
| 1393 args->push_receiver(h_recv); // Push jobject handle | |
| 1394 | |
| 1395 // Fill out JavaCallArguments object | |
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1396 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1397 // Initialize result type |
| 1398 result->set_type(args->get_ret_type()); | |
| 1399 | |
| 1400 // Invoke the method. Result is returned as oop. | |
| 1401 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1402 | |
| 1403 // Convert result | |
| 1404 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1405 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1406 } | |
| 1407 } | |
| 1408 | |
| 1409 | |
| 1410 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1411 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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1412 if (k == NULL) { |
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1413 ResourceMark rm(THREAD); |
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1414 THROW_(vmSymbols::java_lang_InstantiationException(), NULL); |
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1415 } |
| 6983 | 1416 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1417 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1418 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1419 return ih; |
| 1420 } | |
| 1421 | |
| 4006 | 1422 #ifndef USDT2 |
| 0 | 1423 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1424 #else /* USDT2 */ |
| 1425 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1426 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1427 #endif /* USDT2 */ | |
| 0 | 1428 |
| 1429 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1430 JNIWrapper("AllocObject"); | |
| 1431 | |
| 4006 | 1432 #ifndef USDT2 |
| 0 | 1433 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1434 #else /* USDT2 */ |
| 1435 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1436 env, clazz); | |
| 1437 #endif /* USDT2 */ | |
| 0 | 1438 jobject ret = NULL; |
| 1439 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1440 | |
| 1441 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1442 ret = JNIHandles::make_local(env, i); | |
| 1443 return ret; | |
| 1444 JNI_END | |
| 1445 | |
| 4006 | 1446 #ifndef USDT2 |
| 0 | 1447 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1448 #else /* USDT2 */ |
| 1449 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1450 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1451 #endif /* USDT2 */ | |
| 0 | 1452 |
| 1453 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1454 JNIWrapper("NewObjectA"); | |
| 4006 | 1455 #ifndef USDT2 |
| 0 | 1456 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1457 #else /* USDT2 */ |
| 1458 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1459 env, clazz, (uintptr_t) methodID); | |
| 1460 #endif /* USDT2 */ | |
| 0 | 1461 jobject obj = NULL; |
| 1462 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1463 | |
| 1464 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1465 obj = JNIHandles::make_local(env, i); | |
| 1466 JavaValue jvalue(T_VOID); | |
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1467 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1468 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1469 return obj; | |
| 1470 JNI_END | |
| 1471 | |
| 4006 | 1472 #ifndef USDT2 |
| 0 | 1473 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1474 #else /* USDT2 */ |
| 1475 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1476 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1477 #endif /* USDT2 */ | |
| 0 | 1478 |
| 1479 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1480 JNIWrapper("NewObjectV"); | |
| 4006 | 1481 #ifndef USDT2 |
| 0 | 1482 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1483 #else /* USDT2 */ |
| 1484 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1485 env, clazz, (uintptr_t) methodID); | |
| 1486 #endif /* USDT2 */ | |
| 0 | 1487 jobject obj = NULL; |
| 1488 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1489 | |
| 1490 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1491 obj = JNIHandles::make_local(env, i); | |
| 1492 JavaValue jvalue(T_VOID); | |
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1493 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1494 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1495 return obj; | |
| 1496 JNI_END | |
| 1497 | |
| 4006 | 1498 #ifndef USDT2 |
| 0 | 1499 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1500 #else /* USDT2 */ |
| 1501 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1502 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1503 #endif /* USDT2 */ | |
| 0 | 1504 |
| 1505 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1506 JNIWrapper("NewObject"); | |
| 4006 | 1507 #ifndef USDT2 |
| 0 | 1508 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1509 #else /* USDT2 */ |
| 1510 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1511 env, clazz, (uintptr_t) methodID); | |
| 1512 #endif /* USDT2 */ | |
| 0 | 1513 jobject obj = NULL; |
| 1514 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1515 | |
| 1516 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1517 obj = JNIHandles::make_local(env, i); | |
| 1518 va_list args; | |
| 1519 va_start(args, methodID); | |
| 1520 JavaValue jvalue(T_VOID); | |
|
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1521 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1522 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1523 va_end(args); | |
| 1524 return obj; | |
| 1525 JNI_END | |
| 1526 | |
| 1527 | |
| 1528 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1529 JNIWrapper("GetObjectClass"); | |
| 4006 | 1530 #ifndef USDT2 |
| 0 | 1531 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1532 #else /* USDT2 */ |
| 1533 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1534 env, obj); | |
| 1535 #endif /* USDT2 */ | |
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1536 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1537 jclass ret = |
| 6983 | 1538 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1539 #ifndef USDT2 |
| 0 | 1540 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1541 #else /* USDT2 */ |
| 1542 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1543 ret); | |
| 1544 #endif /* USDT2 */ | |
| 0 | 1545 return ret; |
| 1546 JNI_END | |
| 1547 | |
| 1548 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1549 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1550 #ifndef USDT2 |
| 0 | 1551 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1552 #else /* USDT2 */ |
| 1553 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1554 env, obj, clazz); | |
| 1555 #endif /* USDT2 */ | |
| 0 | 1556 jboolean ret = JNI_TRUE; |
| 1557 if (obj != NULL) { | |
| 1558 ret = JNI_FALSE; | |
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1559 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1560 JNIHandles::resolve_non_null(clazz)); |
| 1561 if (k != NULL) { | |
| 1562 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1563 } | |
| 1564 } | |
| 4006 | 1565 #ifndef USDT2 |
| 0 | 1566 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1567 #else /* USDT2 */ |
| 1568 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1569 ret); | |
| 1570 #endif /* USDT2 */ | |
| 0 | 1571 return ret; |
| 1572 JNI_END | |
| 1573 | |
| 1574 | |
| 1575 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1576 const char *sig, bool is_static, TRAPS) { | |
| 1577 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1578 // | |
| 1579 // The class should have been loaded (we have an instance of the class | |
| 1580 // passed in) so the method and signature should already be in the symbol | |
| 1581 // table. If they're not there, the method doesn't exist. | |
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1582 const char *name_to_probe = (name_str == NULL) |
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1583 ? vmSymbols::object_initializer_name()->as_C_string() |
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1584 : name_str; |
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1585 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1586 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1587 |
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1588 if (name == NULL || signature == NULL) { |
| 0 | 1589 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1590 } | |
| 1591 | |
| 1592 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1593 // primitive java.lang.Class | |
| 1594 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1595 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1596 } | |
| 1597 | |
| 1598 KlassHandle klass(THREAD, | |
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1599 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1600 |
| 1601 // Make sure class is linked and initialized before handing id's out to | |
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1602 // Method*s. |
| 6983 | 1603 klass()->initialize(CHECK_NULL); |
| 0 | 1604 |
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1605 Method* m; |
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1606 if (name == vmSymbols::object_initializer_name() || |
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1607 name == vmSymbols::class_initializer_name()) { |
| 0 | 1608 // Never search superclasses for constructors |
| 1609 if (klass->oop_is_instance()) { | |
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1610 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1611 } else { |
| 1612 m = NULL; | |
| 1613 } | |
| 1614 } else { | |
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1615 m = klass->lookup_method(name, signature); |
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1616 if (m == NULL && klass->oop_is_instance()) { |
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1617 m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature); |
| 0 | 1618 } |
| 1619 } | |
| 1620 if (m == NULL || (m->is_static() != is_static)) { | |
| 1621 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1622 } | |
| 1623 return m->jmethod_id(); | |
| 1624 } | |
| 1625 | |
| 1626 | |
| 1627 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1628 const char *name, const char *sig)) | |
| 1629 JNIWrapper("GetMethodID"); | |
| 4006 | 1630 #ifndef USDT2 |
| 0 | 1631 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1632 #else /* USDT2 */ |
| 1633 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1634 env, clazz, (char *) name, (char *) sig); | |
| 1635 #endif /* USDT2 */ | |
| 0 | 1636 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1637 #ifndef USDT2 |
| 0 | 1638 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1639 #else /* USDT2 */ |
| 1640 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1641 (uintptr_t) ret); | |
| 1642 #endif /* USDT2 */ | |
| 0 | 1643 return ret; |
| 1644 JNI_END | |
| 1645 | |
| 1646 | |
| 1647 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1648 const char *name, const char *sig)) | |
| 1649 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1650 #ifndef USDT2 |
| 0 | 1651 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1652 #else /* USDT2 */ |
| 1653 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1654 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1655 #endif /* USDT2 */ | |
| 0 | 1656 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1657 #ifndef USDT2 |
| 0 | 1658 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1659 #else /* USDT2 */ |
| 1660 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1661 (uintptr_t) ret); | |
| 1662 #endif /* USDT2 */ | |
| 0 | 1663 return ret; |
| 1664 JNI_END | |
| 1665 | |
| 1666 | |
| 1667 | |
| 1668 // | |
| 1669 // Calling Methods | |
| 1670 // | |
| 1671 | |
| 4006 | 1672 #ifndef USDT2 |
| 0 | 1673 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1674 \ | |
| 1675 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1676 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1677 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1678 \ | |
| 1679 JNI_ENTRY(ResultType, \ | |
| 1680 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1681 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1682 \ | |
| 4006 | 1683 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1684 ResultType ret = 0;\ |
| 1685 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1686 (const ResultType&)ret);\ | |
| 1687 \ | |
| 1688 va_list args; \ | |
| 1689 va_start(args, methodID); \ | |
| 1690 JavaValue jvalue(Tag); \ | |
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1691 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1692 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1693 va_end(args); \ | |
| 1694 ret = jvalue.get_##ResultType(); \ | |
| 1695 return ret;\ | |
| 1696 JNI_END \ | |
| 1697 \ | |
| 1698 \ | |
| 1699 JNI_ENTRY(ResultType, \ | |
| 1700 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1701 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1702 \ | |
| 4006 | 1703 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1704 ResultType ret = 0;\ |
| 1705 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1706 (const ResultType&)ret);\ | |
| 1707 \ | |
| 1708 JavaValue jvalue(Tag); \ | |
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1709 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1710 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1711 ret = jvalue.get_##ResultType(); \ | |
| 1712 return ret;\ | |
| 1713 JNI_END \ | |
| 1714 \ | |
| 1715 \ | |
| 1716 JNI_ENTRY(ResultType, \ | |
| 1717 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1718 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1719 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1720 ResultType ret = 0;\ |
| 1721 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1722 (const ResultType&)ret);\ | |
| 1723 \ | |
| 1724 JavaValue jvalue(Tag); \ | |
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1725 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1726 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1727 ret = jvalue.get_##ResultType(); \ | |
| 1728 return ret;\ | |
| 1729 JNI_END | |
| 1730 | |
| 1731 // the runtime type of subword integral basic types is integer | |
| 1732 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1733 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1734 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1735 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1736 | |
| 1737 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1738 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1739 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1740 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1741 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1742 | |
| 1743 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1744 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1745 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1746 | |
| 4006 | 1747 #else /* USDT2 */ |
| 1748 | |
| 1749 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1750 , EntryProbe, ReturnProbe) \ | |
| 1751 \ | |
| 1752 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1753 , ReturnProbe); \ | |
| 1754 \ | |
| 1755 JNI_ENTRY(ResultType, \ | |
| 1756 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1757 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1758 \ | |
| 1759 EntryProbe; \ | |
| 1760 ResultType ret = 0;\ | |
| 1761 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1762 (const ResultType&)ret);\ | |
| 1763 \ | |
| 1764 va_list args; \ | |
| 1765 va_start(args, methodID); \ | |
| 1766 JavaValue jvalue(Tag); \ | |
| 1767 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1768 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1769 va_end(args); \ | |
| 1770 ret = jvalue.get_##ResultType(); \ | |
| 1771 return ret;\ | |
| 1772 JNI_END | |
| 1773 | |
| 1774 // the runtime type of subword integral basic types is integer | |
| 1775 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1776 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1777 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1778 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1779 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1780 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1781 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1782 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1783 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1784 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1785 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1786 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1787 | |
| 1788 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1789 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1790 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1791 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1792 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1793 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1794 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1795 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1796 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1797 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1798 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1799 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1800 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1801 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1802 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1803 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1804 | |
| 1805 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1806 , EntryProbe, ReturnProbe) \ | |
| 1807 \ | |
| 1808 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1809 , ReturnProbe); \ | |
| 1810 \ | |
| 1811 JNI_ENTRY(ResultType, \ | |
| 1812 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1813 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1814 \ | |
| 1815 EntryProbe;\ | |
| 1816 ResultType ret = 0;\ | |
| 1817 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1818 (const ResultType&)ret);\ | |
| 1819 \ | |
| 1820 JavaValue jvalue(Tag); \ | |
| 1821 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1822 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1823 ret = jvalue.get_##ResultType(); \ | |
| 1824 return ret;\ | |
| 1825 JNI_END | |
| 1826 | |
| 1827 // the runtime type of subword integral basic types is integer | |
| 1828 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
|
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1829 , HOTSPOT_JNI_CALLBOOLEANMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1830 HOTSPOT_JNI_CALLBOOLEANMETHODV_RETURN(_ret_ref)) |
| 4006 | 1831 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE |
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1832 , HOTSPOT_JNI_CALLBYTEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1833 HOTSPOT_JNI_CALLBYTEMETHODV_RETURN(_ret_ref)) |
| 4006 | 1834 DEFINE_CALLMETHODV(jchar, Char, T_CHAR |
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1835 , HOTSPOT_JNI_CALLCHARMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1836 HOTSPOT_JNI_CALLCHARMETHODV_RETURN(_ret_ref)) |
| 4006 | 1837 DEFINE_CALLMETHODV(jshort, Short, T_SHORT |
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1838 , HOTSPOT_JNI_CALLSHORTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1839 HOTSPOT_JNI_CALLSHORTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1840 |
| 1841 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
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1842 , HOTSPOT_JNI_CALLOBJECTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1843 HOTSPOT_JNI_CALLOBJECTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1844 DEFINE_CALLMETHODV(jint, Int, T_INT, |
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1845 HOTSPOT_JNI_CALLINTMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1846 HOTSPOT_JNI_CALLINTMETHODV_RETURN(_ret_ref)) |
| 4006 | 1847 DEFINE_CALLMETHODV(jlong, Long, T_LONG |
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1848 , HOTSPOT_JNI_CALLLONGMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1849 HOTSPOT_JNI_CALLLONGMETHODV_RETURN(_ret_ref)) |
| 4006 | 1850 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1851 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
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1852 , HOTSPOT_JNI_CALLFLOATMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1853 HOTSPOT_JNI_CALLFLOATMETHODV_RETURN()) |
| 4006 | 1854 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE |
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1855 , HOTSPOT_JNI_CALLDOUBLEMETHODV_ENTRY(env, obj, (uintptr_t)methodID), |
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1856 HOTSPOT_JNI_CALLDOUBLEMETHODV_RETURN()) |
| 4006 | 1857 |
| 1858 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1859 , EntryProbe, ReturnProbe) \ | |
| 1860 \ | |
| 1861 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1862 , ReturnProbe); \ | |
| 1863 \ | |
| 1864 JNI_ENTRY(ResultType, \ | |
| 1865 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1866 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1867 EntryProbe; \ | |
| 1868 ResultType ret = 0;\ | |
| 1869 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1870 (const ResultType&)ret);\ | |
| 1871 \ | |
| 1872 JavaValue jvalue(Tag); \ | |
| 1873 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1874 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1875 ret = jvalue.get_##ResultType(); \ | |
| 1876 return ret;\ | |
| 1877 JNI_END | |
| 1878 | |
| 1879 // the runtime type of subword integral basic types is integer | |
| 1880 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
|
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1881 , HOTSPOT_JNI_CALLBOOLEANMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1882 HOTSPOT_JNI_CALLBOOLEANMETHODA_RETURN(_ret_ref)) |
| 4006 | 1883 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE |
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1884 , HOTSPOT_JNI_CALLBYTEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1885 HOTSPOT_JNI_CALLBYTEMETHODA_RETURN(_ret_ref)) |
| 4006 | 1886 DEFINE_CALLMETHODA(jchar, Char, T_CHAR |
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1887 , HOTSPOT_JNI_CALLCHARMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1888 HOTSPOT_JNI_CALLCHARMETHODA_RETURN(_ret_ref)) |
| 4006 | 1889 DEFINE_CALLMETHODA(jshort, Short, T_SHORT |
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1890 , HOTSPOT_JNI_CALLSHORTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1891 HOTSPOT_JNI_CALLSHORTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1892 |
| 1893 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
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1894 , HOTSPOT_JNI_CALLOBJECTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1895 HOTSPOT_JNI_CALLOBJECTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1896 DEFINE_CALLMETHODA(jint, Int, T_INT, |
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1897 HOTSPOT_JNI_CALLINTMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1898 HOTSPOT_JNI_CALLINTMETHODA_RETURN(_ret_ref)) |
| 4006 | 1899 DEFINE_CALLMETHODA(jlong, Long, T_LONG |
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1900 , HOTSPOT_JNI_CALLLONGMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1901 HOTSPOT_JNI_CALLLONGMETHODA_RETURN(_ret_ref)) |
| 4006 | 1902 // Float and double probes don't return value because dtrace doesn't currently support it |
| 1903 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
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1904 , HOTSPOT_JNI_CALLFLOATMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1905 HOTSPOT_JNI_CALLFLOATMETHODA_RETURN()) |
| 4006 | 1906 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE |
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1907 , HOTSPOT_JNI_CALLDOUBLEMETHODA_ENTRY(env, obj, (uintptr_t)methodID), |
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1908 HOTSPOT_JNI_CALLDOUBLEMETHODA_RETURN()) |
| 4006 | 1909 |
| 1910 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1911 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1912 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1913 | |
| 1914 #endif /* USDT2 */ | |
| 1915 | |
| 0 | 1916 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1917 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1918 #ifndef USDT2 |
| 0 | 1919 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1920 #else /* USDT2 */ |
| 1921 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1922 env, obj, (uintptr_t) methodID); | |
| 1923 #endif /* USDT2 */ | |
| 0 | 1924 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1925 | |
| 1926 va_list args; | |
| 1927 va_start(args, methodID); | |
| 1928 JavaValue jvalue(T_VOID); | |
|
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1929 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1930 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1931 va_end(args); | |
| 1932 JNI_END | |
| 1933 | |
| 1934 | |
| 1935 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1936 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1937 #ifndef USDT2 |
| 0 | 1938 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1939 #else /* USDT2 */ |
| 1940 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1941 env, obj, (uintptr_t) methodID); | |
| 1942 #endif /* USDT2 */ | |
| 0 | 1943 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1944 | |
| 1945 JavaValue jvalue(T_VOID); | |
|
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1946 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1947 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1948 JNI_END | |
| 1949 | |
| 1950 | |
| 1951 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1952 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1953 #ifndef USDT2 |
| 0 | 1954 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1955 #else /* USDT2 */ |
| 1956 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1957 env, obj, (uintptr_t) methodID); | |
| 1958 #endif /* USDT2 */ | |
| 0 | 1959 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1960 | |
| 1961 JavaValue jvalue(T_VOID); | |
|
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1962 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1963 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1964 JNI_END | |
| 1965 | |
| 1966 | |
| 4006 | 1967 #ifndef USDT2 |
| 0 | 1968 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1969 \ | |
| 1970 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1971 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1972 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1973 \ | |
| 1974 JNI_ENTRY(ResultType, \ | |
| 1975 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1976 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1977 \ | |
| 1978 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1979 ResultType ret;\ | |
| 1980 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1981 (const ResultType&)ret);\ | |
| 1982 \ | |
| 1983 va_list args; \ | |
| 1984 va_start(args, methodID); \ | |
| 1985 JavaValue jvalue(Tag); \ | |
|
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1986 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1987 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1988 va_end(args); \ | |
| 1989 ret = jvalue.get_##ResultType(); \ | |
| 1990 return ret;\ | |
| 1991 JNI_END \ | |
| 1992 \ | |
| 1993 JNI_ENTRY(ResultType, \ | |
| 1994 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1995 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1996 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1997 ResultType ret;\ | |
| 1998 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1999 (const ResultType&)ret);\ | |
| 2000 \ | |
| 2001 JavaValue jvalue(Tag); \ | |
|
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2002 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2003 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2004 ret = jvalue.get_##ResultType(); \ | |
| 2005 return ret;\ | |
| 2006 JNI_END \ | |
| 2007 \ | |
| 2008 JNI_ENTRY(ResultType, \ | |
| 2009 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2010 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2011 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2012 ResultType ret;\ | |
| 2013 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2014 (const ResultType&)ret);\ | |
| 2015 \ | |
| 2016 JavaValue jvalue(Tag); \ | |
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2017 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2018 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2019 ret = jvalue.get_##ResultType(); \ | |
| 2020 return ret;\ | |
| 2021 JNI_END | |
| 2022 | |
| 2023 // the runtime type of subword integral basic types is integer | |
| 2024 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2025 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2026 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2027 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2028 | |
| 2029 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2030 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2031 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2032 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2033 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2034 | |
| 2035 | |
| 2036 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2037 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2038 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2039 | |
| 4006 | 2040 #else /* USDT2 */ |
| 2041 | |
| 2042 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2043 , EntryProbe, ReturnProbe) \ | |
| 2044 \ | |
| 2045 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2046 , ReturnProbe);\ | |
| 2047 \ | |
| 2048 JNI_ENTRY(ResultType, \ | |
| 2049 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2050 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2051 \ | |
| 2052 EntryProbe;\ | |
| 2053 ResultType ret;\ | |
| 2054 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2055 (const ResultType&)ret);\ | |
| 2056 \ | |
| 2057 va_list args; \ | |
| 2058 va_start(args, methodID); \ | |
| 2059 JavaValue jvalue(Tag); \ | |
| 2060 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2061 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2062 va_end(args); \ | |
| 2063 ret = jvalue.get_##ResultType(); \ | |
| 2064 return ret;\ | |
| 2065 JNI_END | |
| 2066 | |
| 2067 // the runtime type of subword integral basic types is integer | |
| 2068 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2069 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2070 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2071 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2072 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2073 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2074 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2075 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2076 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2077 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2078 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2079 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2080 | |
| 2081 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2082 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2083 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2084 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2085 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2086 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2087 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2088 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2089 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2090 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2091 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2092 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2093 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2094 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2095 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2096 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2097 | |
| 2098 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2099 , EntryProbe, ReturnProbe) \ | |
| 2100 \ | |
| 2101 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2102 , ReturnProbe);\ | |
| 2103 \ | |
| 2104 JNI_ENTRY(ResultType, \ | |
| 2105 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2106 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2107 \ | |
| 2108 EntryProbe;\ | |
| 2109 ResultType ret;\ | |
| 2110 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2111 (const ResultType&)ret);\ | |
| 2112 \ | |
| 2113 JavaValue jvalue(Tag); \ | |
| 2114 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2115 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2116 ret = jvalue.get_##ResultType(); \ | |
| 2117 return ret;\ | |
| 2118 JNI_END | |
| 2119 | |
| 2120 // the runtime type of subword integral basic types is integer | |
| 2121 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2122 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2123 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2124 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2125 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2126 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2127 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2128 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2129 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2130 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2131 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2132 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2133 | |
| 2134 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2135 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2136 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2137 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2138 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2139 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2140 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2141 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2142 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2143 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2144 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2145 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2146 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2147 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2148 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2149 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2150 | |
| 2151 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2152 , EntryProbe, ReturnProbe) \ | |
| 2153 \ | |
| 2154 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2155 , ReturnProbe);\ | |
| 2156 \ | |
| 2157 JNI_ENTRY(ResultType, \ | |
| 2158 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2159 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2160 \ | |
| 2161 EntryProbe;\ | |
| 2162 ResultType ret;\ | |
| 2163 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2164 (const ResultType&)ret);\ | |
| 2165 \ | |
| 2166 JavaValue jvalue(Tag); \ | |
| 2167 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2168 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2169 ret = jvalue.get_##ResultType(); \ | |
| 2170 return ret;\ | |
| 2171 JNI_END | |
| 2172 | |
| 2173 // the runtime type of subword integral basic types is integer | |
| 2174 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2175 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2176 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2177 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2178 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2179 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2180 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2181 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2182 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2183 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2184 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2185 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2186 | |
| 2187 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2188 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2189 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2190 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2191 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2192 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2193 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2194 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2195 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2196 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2197 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2198 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2199 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2200 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2201 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2202 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2203 | |
| 2204 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2205 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2206 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2207 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2208 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2209 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2210 #endif /* USDT2 */ | |
| 2211 | |
| 0 | 2212 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2213 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2214 | |
| 4006 | 2215 #ifndef USDT2 |
| 0 | 2216 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2217 env, obj, cls, methodID); | |
| 4006 | 2218 #else /* USDT2 */ |
| 2219 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2220 env, obj, cls, (uintptr_t) methodID); | |
| 2221 #endif /* USDT2 */ | |
| 0 | 2222 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2223 | |
| 2224 va_list args; | |
| 2225 va_start(args, methodID); | |
| 2226 JavaValue jvalue(T_VOID); | |
|
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2227 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2228 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2229 va_end(args); | |
| 2230 JNI_END | |
| 2231 | |
| 2232 | |
| 2233 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2234 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2235 | |
| 4006 | 2236 #ifndef USDT2 |
| 0 | 2237 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2238 env, obj, cls, methodID); | |
| 4006 | 2239 #else /* USDT2 */ |
| 2240 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2241 env, obj, cls, (uintptr_t) methodID); | |
| 2242 #endif /* USDT2 */ | |
| 0 | 2243 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2244 | |
| 2245 JavaValue jvalue(T_VOID); | |
|
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2246 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2247 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2248 JNI_END | |
| 2249 | |
| 2250 | |
| 2251 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2252 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2253 #ifndef USDT2 |
| 0 | 2254 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2255 env, obj, cls, methodID); | |
| 4006 | 2256 #else /* USDT2 */ |
| 2257 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2258 env, obj, cls, (uintptr_t) methodID); | |
| 2259 #endif /* USDT2 */ | |
| 0 | 2260 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2261 JavaValue jvalue(T_VOID); | |
|
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2262 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2263 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2264 JNI_END | |
| 2265 | |
| 2266 | |
| 4006 | 2267 #ifndef USDT2 |
| 0 | 2268 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2269 \ | |
| 2270 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2271 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2272 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2273 \ | |
| 2274 JNI_ENTRY(ResultType, \ | |
| 2275 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2276 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2277 \ | |
| 2278 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2279 ResultType ret = 0;\ | |
| 2280 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2281 (const ResultType&)ret);\ | |
| 2282 \ | |
| 2283 va_list args; \ | |
| 2284 va_start(args, methodID); \ | |
| 2285 JavaValue jvalue(Tag); \ | |
|
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2286 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2287 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2288 va_end(args); \ | |
| 2289 ret = jvalue.get_##ResultType(); \ | |
| 2290 return ret;\ | |
| 2291 JNI_END \ | |
| 2292 \ | |
| 2293 JNI_ENTRY(ResultType, \ | |
| 2294 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2295 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2296 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2297 ResultType ret = 0;\ | |
| 2298 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2299 (const ResultType&)ret);\ | |
| 2300 \ | |
| 2301 JavaValue jvalue(Tag); \ | |
|
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|
2302 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2303 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2304 ret = jvalue.get_##ResultType(); \ | |
| 2305 return ret;\ | |
| 2306 JNI_END \ | |
| 2307 \ | |
| 2308 JNI_ENTRY(ResultType, \ | |
| 2309 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2310 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2311 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2312 ResultType ret = 0;\ | |
| 2313 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2314 (const ResultType&)ret);\ | |
| 2315 \ | |
| 2316 JavaValue jvalue(Tag); \ | |
|
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|
2317 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2318 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2319 ret = jvalue.get_##ResultType(); \ | |
| 2320 return ret;\ | |
| 2321 JNI_END | |
| 2322 | |
| 2323 // the runtime type of subword integral basic types is integer | |
| 2324 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2325 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2326 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2327 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2328 | |
| 2329 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2330 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2331 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2332 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2333 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2334 | |
| 2335 | |
| 2336 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2337 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2338 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2339 | |
| 4006 | 2340 #else /* USDT2 */ |
| 2341 | |
| 2342 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2343 , EntryProbe, ResultProbe) \ | |
| 2344 \ | |
| 2345 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2346 , ResultProbe); \ | |
| 2347 \ | |
| 2348 JNI_ENTRY(ResultType, \ | |
| 2349 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2350 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2351 \ | |
| 2352 EntryProbe; \ | |
| 2353 ResultType ret = 0;\ | |
| 2354 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2355 (const ResultType&)ret);\ | |
| 2356 \ | |
| 2357 va_list args; \ | |
| 2358 va_start(args, methodID); \ | |
| 2359 JavaValue jvalue(Tag); \ | |
| 2360 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2361 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2362 va_end(args); \ | |
| 2363 ret = jvalue.get_##ResultType(); \ | |
| 2364 return ret;\ | |
| 2365 JNI_END | |
| 2366 | |
| 2367 // the runtime type of subword integral basic types is integer | |
| 2368 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2369 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2370 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2371 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2372 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2373 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2374 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2375 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2376 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2377 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2378 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2379 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2380 | |
| 2381 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2382 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2383 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2384 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2385 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2386 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2387 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2388 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2389 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2390 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2391 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2392 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2393 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2394 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2395 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2396 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2397 | |
| 2398 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2399 , EntryProbe, ResultProbe) \ | |
| 2400 \ | |
| 2401 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2402 , ResultProbe); \ | |
| 2403 \ | |
| 2404 JNI_ENTRY(ResultType, \ | |
| 2405 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2406 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2407 \ | |
| 2408 EntryProbe; \ | |
| 2409 ResultType ret = 0;\ | |
| 2410 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2411 (const ResultType&)ret);\ | |
| 2412 \ | |
| 2413 JavaValue jvalue(Tag); \ | |
| 2414 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2415 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2416 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2417 k()->initialize(CHECK_0); \ |
| 4006 | 2418 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2419 va_end(args); \ | |
| 2420 ret = jvalue.get_##ResultType(); \ | |
| 2421 return ret;\ | |
| 2422 JNI_END | |
| 2423 | |
| 2424 // the runtime type of subword integral basic types is integer | |
| 2425 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2426 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2427 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2428 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2429 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2430 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2431 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2432 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2433 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2434 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2435 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2436 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2437 | |
| 2438 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2439 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2440 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2441 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2442 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2443 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2444 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2445 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2446 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2447 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2448 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2449 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2450 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2451 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2452 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2453 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2454 | |
| 2455 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2456 , EntryProbe, ResultProbe) \ | |
| 2457 \ | |
| 2458 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2459 , ResultProbe); \ | |
| 2460 \ | |
| 2461 JNI_ENTRY(ResultType, \ | |
| 2462 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2463 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2464 \ | |
| 2465 EntryProbe; \ | |
| 2466 ResultType ret = 0;\ | |
| 2467 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2468 (const ResultType&)ret);\ | |
| 2469 \ | |
| 2470 JavaValue jvalue(Tag); \ | |
| 2471 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2472 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2473 ret = jvalue.get_##ResultType(); \ | |
| 2474 return ret;\ | |
| 2475 JNI_END | |
| 2476 | |
| 2477 // the runtime type of subword integral basic types is integer | |
| 2478 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2479 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2480 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2481 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2482 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2483 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2484 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2485 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2486 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2487 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2488 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2489 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2490 | |
| 2491 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2492 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2493 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2494 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2495 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2496 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2497 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2498 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2499 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2500 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2501 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2502 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2503 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2504 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2505 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2506 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2507 | |
| 2508 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2509 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2510 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2511 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2512 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2513 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2514 #endif /* USDT2 */ | |
| 2515 | |
| 0 | 2516 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2517 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2518 #ifndef USDT2 |
| 0 | 2519 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2520 #else /* USDT2 */ |
| 2521 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2522 env, cls, (uintptr_t) methodID); | |
| 2523 #endif /* USDT2 */ | |
| 0 | 2524 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2525 | |
| 2526 va_list args; | |
| 2527 va_start(args, methodID); | |
| 2528 JavaValue jvalue(T_VOID); | |
|
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2529 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2530 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2531 va_end(args); | |
| 2532 JNI_END | |
| 2533 | |
| 2534 | |
| 2535 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2536 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2537 #ifndef USDT2 |
| 0 | 2538 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2539 #else /* USDT2 */ |
| 2540 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2541 env, cls, (uintptr_t) methodID); | |
| 2542 #endif /* USDT2 */ | |
| 0 | 2543 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2544 | |
| 2545 JavaValue jvalue(T_VOID); | |
|
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2546 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2547 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2548 JNI_END | |
| 2549 | |
| 2550 | |
| 2551 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2552 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2553 #ifndef USDT2 |
| 0 | 2554 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2555 #else /* USDT2 */ |
| 2556 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2557 env, cls, (uintptr_t) methodID); | |
| 2558 #endif /* USDT2 */ | |
| 0 | 2559 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2560 | |
| 2561 JavaValue jvalue(T_VOID); | |
|
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2562 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2563 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2564 JNI_END | |
| 2565 | |
| 2566 | |
| 2567 // | |
| 2568 // Accessing Fields | |
| 2569 // | |
| 2570 | |
| 2571 | |
| 4006 | 2572 #ifndef USDT2 |
| 0 | 2573 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2574 #else /* USDT2 */ |
| 2575 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2576 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2577 #endif /* USDT2 */ | |
| 0 | 2578 |
| 2579 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2580 const char *name, const char *sig)) | |
| 2581 JNIWrapper("GetFieldID"); | |
| 4006 | 2582 #ifndef USDT2 |
| 0 | 2583 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2584 #else /* USDT2 */ |
| 2585 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2586 env, clazz, (char *) name, (char *) sig); | |
| 2587 #endif /* USDT2 */ | |
| 0 | 2588 jfieldID ret = 0; |
| 2589 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2590 | |
| 2591 // The class should have been loaded (we have an instance of the class | |
| 2592 // passed in) so the field and signature should already be in the symbol | |
| 2593 // table. If they're not there, the field doesn't exist. | |
|
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2594 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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2595 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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2596 if (fieldname == NULL || signame == NULL) { |
| 0 | 2597 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2598 } | |
| 2599 KlassHandle k(THREAD, | |
|
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2600 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2601 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2602 k()->initialize(CHECK_NULL); |
| 0 | 2603 |
| 2604 fieldDescriptor fd; | |
| 6983 | 2605 if (!k()->oop_is_instance() || |
|
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2606 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2607 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2608 } | |
| 2609 | |
| 2610 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2611 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2612 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2613 return ret; | |
| 2614 JNI_END | |
| 2615 | |
| 2616 | |
| 2617 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2618 JNIWrapper("GetObjectField"); | |
| 4006 | 2619 #ifndef USDT2 |
| 0 | 2620 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2621 #else /* USDT2 */ |
| 2622 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2623 env, obj, (uintptr_t) fieldID); | |
| 2624 #endif /* USDT2 */ | |
| 0 | 2625 oop o = JNIHandles::resolve_non_null(obj); |
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2626 Klass* k = o->klass(); |
| 0 | 2627 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2628 // Keep JVMTI addition small and only check enabled flag here. | |
| 2629 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2630 if (JvmtiExport::should_post_field_access()) { | |
| 2631 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2632 } | |
| 2633 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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2634 #if INCLUDE_ALL_GCS |
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2635 // If G1 is enabled and we are accessing the value of the referent |
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2636 // field in a reference object then we need to register a non-null |
|
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2637 // referent with the SATB barrier. |
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2638 if (UseG1GC) { |
|
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2639 bool needs_barrier = false; |
|
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2640 |
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2641 if (ret != NULL && |
|
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|
2642 offset == java_lang_ref_Reference::referent_offset && |
|
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2643 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
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2644 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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|
2645 needs_barrier = true; |
|
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|
2646 } |
|
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|
2647 |
|
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2648 if (needs_barrier) { |
|
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|
2649 oop referent = JNIHandles::resolve(ret); |
|
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|
2650 G1SATBCardTableModRefBS::enqueue(referent); |
|
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|
2651 } |
|
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|
2652 } |
|
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2653 #endif // INCLUDE_ALL_GCS |
| 4006 | 2654 #ifndef USDT2 |
| 0 | 2655 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2656 #else /* USDT2 */ |
| 2657 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2658 ret); | |
| 2659 #endif /* USDT2 */ | |
| 0 | 2660 return ret; |
| 2661 JNI_END | |
| 2662 | |
| 2663 | |
| 4006 | 2664 #ifndef USDT2 |
| 0 | 2665 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2666 \ | |
| 2667 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2668 \ | |
| 2669 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2670 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2671 \ | |
| 2672 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2673 Return ret = 0;\ | |
| 2674 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2675 \ | |
| 2676 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2677 Klass* k = o->klass(); \ |
| 0 | 2678 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2679 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2680 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2681 /* and creates a ResetNoHandleMark. */ \ | |
| 2682 if (JvmtiExport::should_post_field_access()) { \ | |
| 2683 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2684 } \ | |
| 2685 ret = o->Fieldname##_field(offset); \ | |
| 2686 return ret; \ | |
| 2687 JNI_END | |
| 2688 | |
| 2689 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2690 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2691 DEFINE_GETFIELD(jchar, char, Char) | |
| 2692 DEFINE_GETFIELD(jshort, short, Short) | |
| 2693 DEFINE_GETFIELD(jint, int, Int) | |
| 2694 DEFINE_GETFIELD(jlong, long, Long) | |
| 2695 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2696 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2697 | |
| 4006 | 2698 #else /* USDT2 */ |
| 2699 | |
| 2700 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2701 , EntryProbe, ReturnProbe) \ | |
| 2702 \ | |
| 2703 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2704 , ReturnProbe); \ | |
| 2705 \ | |
| 2706 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2707 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2708 \ | |
| 2709 EntryProbe; \ | |
| 2710 Return ret = 0;\ | |
| 2711 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2712 \ | |
| 2713 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2714 Klass* k = o->klass(); \ |
| 4006 | 2715 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2716 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2717 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2718 /* and creates a ResetNoHandleMark. */ \ | |
| 2719 if (JvmtiExport::should_post_field_access()) { \ | |
| 2720 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2721 } \ | |
| 2722 ret = o->Fieldname##_field(offset); \ | |
| 2723 return ret; \ | |
| 2724 JNI_END | |
| 2725 | |
| 2726 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2727 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2728 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2729 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2730 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2731 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2732 DEFINE_GETFIELD(jchar, char, Char | |
| 2733 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2734 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2735 DEFINE_GETFIELD(jshort, short, Short | |
| 2736 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2737 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2738 DEFINE_GETFIELD(jint, int, Int | |
| 2739 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2740 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2741 DEFINE_GETFIELD(jlong, long, Long | |
| 2742 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2743 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2744 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2745 DEFINE_GETFIELD(jfloat, float, Float | |
| 2746 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2747 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2748 DEFINE_GETFIELD(jdouble, double, Double | |
| 2749 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2750 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2751 #endif /* USDT2 */ | |
| 2752 | |
| 0 | 2753 address jni_GetBooleanField_addr() { |
| 2754 return (address)jni_GetBooleanField; | |
| 2755 } | |
| 2756 address jni_GetByteField_addr() { | |
| 2757 return (address)jni_GetByteField; | |
| 2758 } | |
| 2759 address jni_GetCharField_addr() { | |
| 2760 return (address)jni_GetCharField; | |
| 2761 } | |
| 2762 address jni_GetShortField_addr() { | |
| 2763 return (address)jni_GetShortField; | |
| 2764 } | |
| 2765 address jni_GetIntField_addr() { | |
| 2766 return (address)jni_GetIntField; | |
| 2767 } | |
| 2768 address jni_GetLongField_addr() { | |
| 2769 return (address)jni_GetLongField; | |
| 2770 } | |
| 2771 address jni_GetFloatField_addr() { | |
| 2772 return (address)jni_GetFloatField; | |
| 2773 } | |
| 2774 address jni_GetDoubleField_addr() { | |
| 2775 return (address)jni_GetDoubleField; | |
| 2776 } | |
| 2777 | |
| 2778 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2779 JNIWrapper("SetObjectField"); | |
| 4006 | 2780 #ifndef USDT2 |
| 0 | 2781 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2782 #else /* USDT2 */ |
| 2783 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2784 env, obj, (uintptr_t) fieldID, value); | |
| 2785 #endif /* USDT2 */ | |
| 0 | 2786 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2787 Klass* k = o->klass(); |
| 0 | 2788 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2789 // Keep JVMTI addition small and only check enabled flag here. | |
| 2790 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2791 // and creates a ResetNoHandleMark. | |
| 2792 if (JvmtiExport::should_post_field_modification()) { | |
| 2793 jvalue field_value; | |
| 2794 field_value.l = value; | |
| 2795 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2796 } | |
| 2797 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2798 #ifndef USDT2 |
| 0 | 2799 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2800 #else /* USDT2 */ |
| 2801 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2802 ); | |
| 2803 #endif /* USDT2 */ | |
| 0 | 2804 JNI_END |
| 2805 | |
| 4006 | 2806 #ifndef USDT2 |
| 0 | 2807 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2808 \ | |
| 2809 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2810 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2811 \ | |
|
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2812 FP_SELECT_##Result( \ |
|
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2813 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
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|
2814 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2815 \ |
| 2816 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2817 Klass* k = o->klass(); \ |
| 0 | 2818 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2819 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2820 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2821 /* and creates a ResetNoHandleMark. */ \ | |
| 2822 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2823 jvalue field_value; \ | |
| 2824 field_value.unionType = value; \ | |
| 2825 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2826 } \ | |
| 2827 o->Fieldname##_field_put(offset, value); \ | |
| 2828 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2829 JNI_END | |
| 2830 | |
| 2831 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2832 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2833 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2834 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2835 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2836 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2837 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2838 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2839 | |
| 4006 | 2840 #else /* USDT2 */ |
| 2841 | |
| 2842 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2843 , EntryProbe, ReturnProbe) \ | |
| 2844 \ | |
| 2845 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2846 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2847 \ | |
| 2848 EntryProbe; \ | |
| 2849 \ | |
| 2850 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2851 Klass* k = o->klass(); \ |
| 4006 | 2852 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2853 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2854 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2855 /* and creates a ResetNoHandleMark. */ \ | |
| 2856 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2857 jvalue field_value; \ | |
| 2858 field_value.unionType = value; \ | |
| 2859 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2860 } \ | |
| 23614 | 2861 if (SigType == 'Z') { value = ((jboolean)value) & 1; } \ |
| 4006 | 2862 o->Fieldname##_field_put(offset, value); \ |
| 2863 ReturnProbe; \ | |
| 2864 JNI_END | |
| 2865 | |
| 2866 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2867 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2868 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2869 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2870 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2871 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2872 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2873 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2874 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2875 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2876 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2877 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2878 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2879 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2880 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2881 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2882 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2883 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2884 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2885 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2886 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2887 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2888 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2889 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2890 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2891 #endif /* USDT2 */ | |
| 2892 | |
| 2893 #ifndef USDT2 | |
| 0 | 2894 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2895 #else /* USDT2 */ |
| 2896 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2897 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2898 #endif /* USDT2 */ | |
| 0 | 2899 |
| 2900 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2901 JNIWrapper("ToReflectedField"); | |
| 4006 | 2902 #ifndef USDT2 |
| 0 | 2903 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2904 env, cls, fieldID, isStatic); | |
| 4006 | 2905 #else /* USDT2 */ |
| 2906 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2907 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2908 #endif /* USDT2 */ | |
| 0 | 2909 jobject ret = NULL; |
| 2910 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2911 | |
| 2912 fieldDescriptor fd; | |
| 2913 bool found = false; | |
|
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|
2914 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2915 |
| 2916 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2917 | |
| 2918 if (isStatic) { | |
|
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|
2919 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2920 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2921 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2922 found = id->find_local_field(&fd); |
| 0 | 2923 } else { |
| 2924 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2925 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2926 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2927 } |
| 2928 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2929 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2930 ret = JNIHandles::make_local(env, reflected); | |
| 2931 return ret; | |
| 2932 JNI_END | |
| 2933 | |
| 2934 | |
| 2935 // | |
| 2936 // Accessing Static Fields | |
| 2937 // | |
| 4006 | 2938 #ifndef USDT2 |
| 0 | 2939 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2940 #else /* USDT2 */ |
| 2941 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2942 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2943 #endif /* USDT2 */ | |
| 0 | 2944 |
| 2945 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2946 const char *name, const char *sig)) | |
| 2947 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2948 #ifndef USDT2 |
| 0 | 2949 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2950 #else /* USDT2 */ |
| 2951 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2952 env, clazz, (char *) name, (char *) sig); | |
| 2953 #endif /* USDT2 */ | |
| 0 | 2954 jfieldID ret = NULL; |
| 2955 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2956 | |
| 2957 // The class should have been loaded (we have an instance of the class | |
| 2958 // passed in) so the field and signature should already be in the symbol | |
| 2959 // table. If they're not there, the field doesn't exist. | |
|
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1989
diff
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|
2960 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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|
2961 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
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|
2962 if (fieldname == NULL || signame == NULL) { |
| 0 | 2963 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2964 } | |
| 2965 KlassHandle k(THREAD, | |
|
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|
2966 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2967 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2968 k()->initialize(CHECK_NULL); |
| 0 | 2969 |
| 2970 fieldDescriptor fd; | |
| 6983 | 2971 if (!k()->oop_is_instance() || |
|
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|
2972 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2973 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2974 } | |
| 2975 | |
|
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|
2976 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
6940
18fb7da42534
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coleenp
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6856
diff
changeset
|
2977 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2978 debug_only(id->set_is_static_field_id();) |
| 2979 | |
|
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|
2980 debug_only(id->verify(fd.field_holder())); |
| 0 | 2981 |
| 2982 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2983 return ret; | |
| 2984 JNI_END | |
| 2985 | |
| 2986 | |
| 2987 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2988 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2989 #ifndef USDT2 |
| 0 | 2990 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2991 #else /* USDT2 */ |
| 2992 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2993 env, clazz, (uintptr_t) fieldID); | |
| 2994 #endif /* USDT2 */ | |
|
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|
2995 #if INCLUDE_JNI_CHECK |
|
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|
2996 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
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|
2997 #endif // INCLUDE_JNI_CHECK |
| 0 | 2998 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2999 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3000 // Keep JVMTI addition small and only check enabled flag here. | |
| 3001 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3002 if (JvmtiExport::should_post_field_access()) { | |
| 3003 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3004 } | |
|
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|
3005 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3006 #ifndef USDT2 |
| 0 | 3007 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3008 #else /* USDT2 */ |
| 3009 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3010 ret); | |
| 3011 #endif /* USDT2 */ | |
| 0 | 3012 return ret; |
| 3013 JNI_END | |
| 3014 | |
| 4006 | 3015 #ifndef USDT2 |
| 0 | 3016 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3017 \ | |
| 3018 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3019 \ | |
| 3020 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3021 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3022 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3023 Return ret = 0;\ | |
| 3024 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3025 (const Return&)ret);\ | |
| 3026 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3027 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3028 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3029 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3030 if (JvmtiExport::should_post_field_access()) { \ | |
| 3031 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3032 } \ | |
|
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|
3033 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3034 return ret;\ |
| 3035 JNI_END | |
| 3036 | |
| 3037 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3038 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3039 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3040 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3041 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3042 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3043 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3044 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3045 | |
| 4006 | 3046 #else /* USDT2 */ |
| 3047 | |
| 3048 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3049 , EntryProbe, ReturnProbe) \ | |
| 3050 \ | |
| 3051 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3052 , ReturnProbe); \ | |
| 3053 \ | |
| 3054 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3055 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3056 EntryProbe; \ | |
| 3057 Return ret = 0;\ | |
| 3058 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3059 (const Return&)ret);\ | |
| 3060 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3061 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3062 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3063 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3064 if (JvmtiExport::should_post_field_access()) { \ | |
| 3065 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3066 } \ | |
| 3067 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3068 return ret;\ | |
| 3069 JNI_END | |
| 3070 | |
| 3071 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3072 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3073 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3074 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3075 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3076 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3077 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3078 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3079 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3080 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3081 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3082 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3083 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3084 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3085 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3086 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3087 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3088 #endif /* USDT2 */ | |
| 0 | 3089 |
| 3090 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3091 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3092 #ifndef USDT2 |
| 0 | 3093 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3094 #else /* USDT2 */ |
| 3095 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3096 env, clazz, (uintptr_t) fieldID, value); | |
| 3097 #endif /* USDT2 */ | |
| 0 | 3098 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3099 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3100 // Keep JVMTI addition small and only check enabled flag here. | |
| 3101 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3102 if (JvmtiExport::should_post_field_modification()) { | |
| 3103 jvalue field_value; | |
| 3104 field_value.l = value; | |
| 3105 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3106 } | |
|
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|
3107 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3108 #ifndef USDT2 |
| 0 | 3109 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3110 #else /* USDT2 */ |
| 3111 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3112 ); | |
| 3113 #endif /* USDT2 */ | |
| 0 | 3114 JNI_END |
| 3115 | |
| 3116 | |
| 4006 | 3117 #ifndef USDT2 |
| 0 | 3118 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3119 \ | |
| 3120 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3121 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
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|
3122 FP_SELECT_##Result( \ |
|
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|
3123 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
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|
3124 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3125 \ |
| 3126 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3127 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3128 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3129 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3130 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3131 jvalue field_value; \ | |
| 3132 field_value.unionType = value; \ | |
| 3133 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3134 } \ | |
|
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|
3135 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3136 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3137 JNI_END | |
| 3138 | |
| 3139 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3140 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3141 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3142 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3143 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3144 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3145 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3146 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3147 | |
| 4006 | 3148 #else /* USDT2 */ |
| 3149 | |
| 3150 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3151 , EntryProbe, ReturnProbe) \ | |
| 3152 \ | |
| 3153 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3154 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3155 EntryProbe; \ | |
| 3156 \ | |
| 3157 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3158 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3159 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3160 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3161 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3162 jvalue field_value; \ | |
| 3163 field_value.unionType = value; \ | |
| 3164 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3165 } \ | |
| 23614 | 3166 if (SigType == 'Z') { value = ((jboolean)value) & 1; } \ |
| 4006 | 3167 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 3168 ReturnProbe;\ | |
| 3169 JNI_END | |
| 3170 | |
| 3171 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
|
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3172 , HOTSPOT_JNI_SETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), |
| 4006 | 3173 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) |
| 3174 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3175 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3176 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3177 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3178 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3179 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3180 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3181 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3182 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3183 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3184 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3185 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3186 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3187 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3188 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3189 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3190 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3191 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3192 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3193 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3194 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3195 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3196 #endif /* USDT2 */ | |
| 0 | 3197 |
| 3198 // | |
| 3199 // String Operations | |
| 3200 // | |
| 3201 | |
| 3202 // Unicode Interface | |
| 3203 | |
| 4006 | 3204 #ifndef USDT2 |
| 0 | 3205 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3206 #else /* USDT2 */ |
| 3207 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3208 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3209 #endif /* USDT2 */ | |
| 0 | 3210 |
| 3211 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3212 JNIWrapper("NewString"); | |
| 4006 | 3213 #ifndef USDT2 |
| 0 | 3214 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3215 #else /* USDT2 */ |
| 3216 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3217 env, (uint16_t *) unicodeChars, len); | |
| 3218 #endif /* USDT2 */ | |
| 0 | 3219 jstring ret = NULL; |
| 3220 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3221 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3222 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3223 return ret; | |
| 3224 JNI_END | |
| 3225 | |
| 3226 | |
| 3227 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3228 JNIWrapper("GetStringLength"); | |
| 4006 | 3229 #ifndef USDT2 |
| 0 | 3230 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3231 #else /* USDT2 */ |
| 3232 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3233 env, string); | |
| 3234 #endif /* USDT2 */ | |
|
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3235 jsize ret = 0; |
|
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|
3236 oop s = JNIHandles::resolve_non_null(string); |
|
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|
3237 if (java_lang_String::value(s) != NULL) { |
|
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|
3238 ret = java_lang_String::length(s); |
|
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|
3239 } |
| 4006 | 3240 #ifndef USDT2 |
| 0 | 3241 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3242 #else /* USDT2 */ |
| 3243 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3244 ret); | |
| 3245 #endif /* USDT2 */ | |
| 0 | 3246 return ret; |
| 3247 JNI_END | |
| 3248 | |
| 3249 | |
| 3250 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3251 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3252 JNIWrapper("GetStringChars"); | |
| 4006 | 3253 #ifndef USDT2 |
| 0 | 3254 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3255 #else /* USDT2 */ |
| 3256 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3257 env, string, (uintptr_t *) isCopy); | |
| 3258 #endif /* USDT2 */ | |
|
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|
3259 jchar* buf = NULL; |
| 0 | 3260 oop s = JNIHandles::resolve_non_null(string); |
| 3261 typeArrayOop s_value = java_lang_String::value(s); | |
|
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|
3262 if (s_value != NULL) { |
|
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|
3263 int s_len = java_lang_String::length(s); |
|
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|
3264 int s_offset = java_lang_String::offset(s); |
|
f9be370a7d54
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|
3265 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
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|
3266 /* JNI Specification states return NULL on OOM */ |
|
f9be370a7d54
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|
3267 if (buf != NULL) { |
|
f9be370a7d54
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|
3268 if (s_len > 0) { |
|
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|
3269 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
f9be370a7d54
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|
3270 } |
|
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|
3271 buf[s_len] = 0; |
|
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|
3272 //%note jni_5 |
|
f9be370a7d54
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|
3273 if (isCopy != NULL) { |
|
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|
3274 *isCopy = JNI_TRUE; |
|
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|
3275 } |
|
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|
3276 } |
| 0 | 3277 } |
| 4006 | 3278 #ifndef USDT2 |
| 0 | 3279 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3280 #else /* USDT2 */ |
| 3281 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3282 buf); | |
| 3283 #endif /* USDT2 */ | |
| 0 | 3284 return buf; |
| 3285 JNI_END | |
| 3286 | |
| 3287 | |
| 3288 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3289 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3290 #ifndef USDT2 |
| 0 | 3291 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3292 #else /* USDT2 */ |
| 3293 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3294 env, str, (uint16_t *) chars); | |
| 3295 #endif /* USDT2 */ | |
| 0 | 3296 //%note jni_6 |
| 3297 if (chars != NULL) { | |
| 3298 // Since String objects are supposed to be immutable, don't copy any | |
| 3299 // new data back. A bad user will have to go after the char array. | |
| 3300 FreeHeap((void*) chars); | |
| 3301 } | |
| 4006 | 3302 #ifndef USDT2 |
| 0 | 3303 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3304 #else /* USDT2 */ |
| 3305 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3306 ); | |
| 3307 #endif /* USDT2 */ | |
| 0 | 3308 JNI_END |
| 3309 | |
| 3310 | |
| 3311 // UTF Interface | |
| 3312 | |
| 4006 | 3313 #ifndef USDT2 |
| 0 | 3314 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3315 #else /* USDT2 */ |
| 3316 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3317 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3318 #endif /* USDT2 */ | |
| 0 | 3319 |
| 3320 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3321 JNIWrapper("NewStringUTF"); | |
| 4006 | 3322 #ifndef USDT2 |
| 0 | 3323 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3324 #else /* USDT2 */ |
| 3325 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3326 env, (char *) bytes); | |
| 3327 #endif /* USDT2 */ | |
| 0 | 3328 jstring ret; |
| 3329 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3330 | |
| 3331 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3332 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3333 return ret; | |
| 3334 JNI_END | |
| 3335 | |
| 3336 | |
| 3337 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3338 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3339 #ifndef USDT2 |
| 0 | 3340 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3341 #else /* USDT2 */ |
| 3342 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3343 env, string); | |
| 3344 #endif /* USDT2 */ | |
|
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3345 jsize ret = 0; |
|
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|
3346 oop java_string = JNIHandles::resolve_non_null(string); |
|
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|
3347 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3348 ret = java_lang_String::utf8_length(java_string); |
|
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|
3349 } |
| 4006 | 3350 #ifndef USDT2 |
| 0 | 3351 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3352 #else /* USDT2 */ |
| 3353 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3354 ret); | |
| 3355 #endif /* USDT2 */ | |
| 0 | 3356 return ret; |
| 3357 JNI_END | |
| 3358 | |
| 3359 | |
| 3360 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3361 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3362 #ifndef USDT2 |
| 0 | 3363 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3364 #else /* USDT2 */ |
| 3365 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3366 env, string, (uintptr_t *) isCopy); | |
| 3367 #endif /* USDT2 */ | |
|
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|
3368 char* result = NULL; |
|
1989
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|
3369 oop java_string = JNIHandles::resolve_non_null(string); |
|
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3370 if (java_lang_String::value(java_string) != NULL) { |
|
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|
3371 size_t length = java_lang_String::utf8_length(java_string); |
|
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|
3372 /* JNI Specification states return NULL on OOM */ |
|
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|
3373 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
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|
3374 if (result != NULL) { |
|
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|
3375 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
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|
3376 if (isCopy != NULL) { |
|
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|
3377 *isCopy = JNI_TRUE; |
|
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|
3378 } |
|
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|
3379 } |
|
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|
3380 } |
| 4006 | 3381 #ifndef USDT2 |
| 0 | 3382 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3383 #else /* USDT2 */ |
| 3384 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3385 result); | |
| 3386 #endif /* USDT2 */ | |
| 0 | 3387 return result; |
| 3388 JNI_END | |
| 3389 | |
| 3390 | |
| 3391 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3392 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3393 #ifndef USDT2 |
| 0 | 3394 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3395 #else /* USDT2 */ |
| 3396 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3397 env, str, (char *) chars); | |
| 3398 #endif /* USDT2 */ | |
| 0 | 3399 if (chars != NULL) { |
| 3400 FreeHeap((char*) chars); | |
| 3401 } | |
| 4006 | 3402 #ifndef USDT2 |
| 0 | 3403 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3404 #else /* USDT2 */ |
| 3405 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3406 ); | |
| 3407 #endif /* USDT2 */ | |
| 0 | 3408 JNI_END |
| 3409 | |
| 3410 | |
| 3411 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3412 JNIWrapper("GetArrayLength"); | |
| 4006 | 3413 #ifndef USDT2 |
| 0 | 3414 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3415 #else /* USDT2 */ |
| 3416 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3417 env, array); | |
| 3418 #endif /* USDT2 */ | |
| 0 | 3419 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3420 assert(a->is_array(), "must be array"); | |
| 3421 jsize ret = a->length(); | |
| 4006 | 3422 #ifndef USDT2 |
| 0 | 3423 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3424 #else /* USDT2 */ |
| 3425 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3426 ret); | |
| 3427 #endif /* USDT2 */ | |
| 0 | 3428 return ret; |
| 3429 JNI_END | |
| 3430 | |
| 3431 | |
| 3432 // | |
| 3433 // Object Array Operations | |
| 3434 // | |
| 3435 | |
| 4006 | 3436 #ifndef USDT2 |
| 0 | 3437 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3438 #else /* USDT2 */ |
| 3439 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3440 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3441 #endif /* USDT2 */ | |
| 0 | 3442 |
| 3443 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3444 JNIWrapper("NewObjectArray"); | |
| 4006 | 3445 #ifndef USDT2 |
| 0 | 3446 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3447 #else /* USDT2 */ |
| 3448 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3449 env, length, elementClass, initialElement); | |
| 3450 #endif /* USDT2 */ | |
| 0 | 3451 jobjectArray ret = NULL; |
| 3452 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
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|
3453 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3454 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3455 KlassHandle ak = KlassHandle(THREAD, ako); |
|
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|
3456 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
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diff
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|
3457 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3458 oop initial_value = JNIHandles::resolve(initialElement); |
| 3459 if (initial_value != NULL) { // array already initialized with NULL | |
| 3460 for (int index = 0; index < length; index++) { | |
| 3461 result->obj_at_put(index, initial_value); | |
| 3462 } | |
| 3463 } | |
| 3464 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3465 return ret; | |
| 3466 JNI_END | |
| 3467 | |
| 4006 | 3468 #ifndef USDT2 |
| 0 | 3469 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3470 #else /* USDT2 */ |
| 3471 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3472 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3473 #endif /* USDT2 */ | |
| 0 | 3474 |
| 3475 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3476 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3477 #ifndef USDT2 |
| 0 | 3478 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3479 #else /* USDT2 */ |
| 3480 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3481 env, array, index); | |
| 3482 #endif /* USDT2 */ | |
| 0 | 3483 jobject ret = NULL; |
| 3484 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3485 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3486 if (a->is_within_bounds(index)) { | |
|
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|
3487 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3488 return ret; |
| 3489 } else { | |
| 3490 char buf[jintAsStringSize]; | |
| 3491 sprintf(buf, "%d", index); | |
| 3492 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3493 } | |
| 3494 JNI_END | |
| 3495 | |
| 4006 | 3496 #ifndef USDT2 |
| 0 | 3497 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3498 #else /* USDT2 */ |
| 3499 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3500 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3501 #endif /* USDT2 */ | |
| 0 | 3502 |
| 3503 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3504 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3505 #ifndef USDT2 |
| 0 | 3506 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3507 #else /* USDT2 */ |
| 3508 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3509 env, array, index, value); | |
| 3510 #endif /* USDT2 */ | |
| 0 | 3511 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3512 | |
| 3513 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3514 oop v = JNIHandles::resolve(value); | |
| 3515 if (a->is_within_bounds(index)) { | |
|
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|
3516 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3517 a->obj_at_put(index, v); |
| 3518 } else { | |
| 3519 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3520 } | |
| 3521 } else { | |
| 3522 char buf[jintAsStringSize]; | |
| 3523 sprintf(buf, "%d", index); | |
| 3524 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3525 } | |
| 3526 JNI_END | |
| 3527 | |
| 3528 | |
| 4006 | 3529 #ifndef USDT2 |
| 0 | 3530 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3531 \ | |
| 4006 | 3532 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3533 \ |
| 3534 JNI_ENTRY(Return, \ | |
| 3535 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3536 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3537 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3538 Return ret = NULL;\ | |
|
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|
3539 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3540 \ |
| 3541 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3542 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3543 return ret;\ | |
| 3544 JNI_END | |
| 3545 | |
| 3546 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3547 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3548 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3549 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3550 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3551 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3552 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3553 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3554 | |
| 4006 | 3555 #else /* USDT2 */ |
| 3556 | |
| 3557 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3558 ,EntryProbe,ReturnProbe) \ | |
| 3559 \ | |
| 3560 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3561 , ReturnProbe); \ | |
| 3562 \ | |
| 3563 JNI_ENTRY(Return, \ | |
| 3564 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3565 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3566 EntryProbe; \ | |
| 3567 Return ret = NULL;\ | |
| 3568 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3569 \ | |
| 3570 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3571 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3572 return ret;\ | |
| 3573 JNI_END | |
| 3574 | |
| 3575 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3576 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3577 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3578 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3579 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3580 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3581 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3582 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3583 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3584 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3585 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3586 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3587 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3588 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3589 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3590 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3591 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3592 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3593 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3594 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3595 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3596 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3597 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3598 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3599 #endif /* USDT2 */ | |
| 0 | 3600 |
| 3601 // Return an address which will fault if the caller writes to it. | |
| 3602 | |
| 3603 static char* get_bad_address() { | |
| 3604 static char* bad_address = NULL; | |
| 3605 if (bad_address == NULL) { | |
| 3606 size_t size = os::vm_allocation_granularity(); | |
| 3607 bad_address = os::reserve_memory(size); | |
| 3608 if (bad_address != NULL) { | |
|
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|
3609 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
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|
3610 /*is_committed*/false); |
| 20360 | 3611 MemTracker::record_virtual_memory_type((void*)bad_address, mtInternal); |
| 0 | 3612 } |
| 3613 } | |
| 3614 return bad_address; | |
| 3615 } | |
| 3616 | |
| 3617 | |
| 4006 | 3618 #ifndef USDT2 |
| 0 | 3619 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3620 \ | |
| 3621 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3622 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3623 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3624 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3625 /* allocate an chunk of memory in c land */ \ | |
| 3626 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3627 ElementType* result; \ | |
| 3628 int len = a->length(); \ | |
| 3629 if (len == 0) { \ | |
| 3630 /* Empty array: legal but useless, can't return NULL. \ | |
| 3631 * Return a pointer to something useless. \ | |
| 3632 * Avoid asserts in typeArrayOop. */ \ | |
| 3633 result = (ElementType*)get_bad_address(); \ | |
| 3634 } else { \ | |
|
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3635 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3636 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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|
3637 if (result != NULL) { \ |
|
faf2631b9334
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|
3638 /* copy the array to the c chunk */ \ |
|
faf2631b9334
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11092
diff
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|
3639 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
faf2631b9334
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|
3640 if (isCopy) { \ |
|
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|
3641 *isCopy = JNI_TRUE; \ |
|
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|
3642 } \ |
|
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|
3643 } \ |
| 0 | 3644 } \ |
| 3645 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3646 return result; \ | |
| 3647 JNI_END | |
| 3648 | |
| 3649 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3650 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3651 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3652 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3653 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3654 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3655 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3656 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3657 | |
| 4006 | 3658 #else /* USDT2 */ |
| 3659 | |
| 3660 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3661 , EntryProbe, ReturnProbe) \ | |
| 3662 \ | |
| 3663 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3664 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3665 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3666 EntryProbe; \ | |
| 3667 /* allocate an chunk of memory in c land */ \ | |
| 3668 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3669 ElementType* result; \ | |
| 3670 int len = a->length(); \ | |
| 3671 if (len == 0) { \ | |
| 3672 /* Empty array: legal but useless, can't return NULL. \ | |
| 3673 * Return a pointer to something useless. \ | |
| 3674 * Avoid asserts in typeArrayOop. */ \ | |
| 3675 result = (ElementType*)get_bad_address(); \ | |
| 3676 } else { \ | |
|
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3677 /* JNI Specification states return NULL on OOM */ \ |
|
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|
3678 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
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|
3679 if (result != NULL) { \ |
|
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|
3680 /* copy the array to the c chunk */ \ |
|
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|
3681 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
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|
3682 if (isCopy) { \ |
|
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|
3683 *isCopy = JNI_TRUE; \ |
|
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|
3684 } \ |
|
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|
3685 } \ |
| 4006 | 3686 } \ |
| 3687 ReturnProbe; \ | |
| 3688 return result; \ | |
| 3689 JNI_END | |
| 3690 | |
| 3691 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3692 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3693 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3694 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3695 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3696 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3697 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3698 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3699 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3700 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3701 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3702 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3703 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3704 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3705 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3706 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3707 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3708 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3709 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3710 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3711 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3712 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3713 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3714 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3715 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3716 #endif /* USDT2 */ | |
| 3717 | |
| 3718 #ifndef USDT2 | |
| 0 | 3719 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3720 \ | |
| 3721 JNI_QUICK_ENTRY(void, \ | |
| 3722 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3723 ElementType *buf, jint mode)) \ | |
| 3724 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3725 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3726 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3727 int len = a->length(); \ | |
| 3728 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3729 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3730 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3731 } \ | |
| 3732 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3733 FreeHeap(buf); \ | |
| 3734 } \ | |
| 3735 } \ | |
| 3736 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3737 JNI_END | |
| 3738 | |
| 3739 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3740 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3741 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3742 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3743 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3744 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3745 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3746 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3747 | |
| 4006 | 3748 #else /* USDT2 */ |
| 3749 | |
| 3750 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3751 , EntryProbe, ReturnProbe);\ | |
| 3752 \ | |
| 3753 JNI_QUICK_ENTRY(void, \ | |
| 3754 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3755 ElementType *buf, jint mode)) \ | |
| 3756 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3757 EntryProbe; \ | |
| 3758 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3759 int len = a->length(); \ | |
| 3760 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3761 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3762 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3763 } \ | |
| 3764 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3765 FreeHeap(buf); \ | |
| 3766 } \ | |
| 3767 } \ | |
| 3768 ReturnProbe; \ | |
| 3769 JNI_END | |
| 3770 | |
| 3771 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3772 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3773 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3774 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3775 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3776 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3777 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3778 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3779 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3780 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3781 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3782 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3783 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3784 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3785 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3786 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3787 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3788 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3789 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3790 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3791 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3792 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3793 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3794 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3795 #endif /* USDT2 */ | |
| 3796 | |
| 3797 #ifndef USDT2 | |
| 0 | 3798 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3799 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3800 \ | |
| 3801 JNI_ENTRY(void, \ | |
| 3802 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3803 jsize len, ElementType *buf)) \ | |
| 3804 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3805 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3806 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3807 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3808 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3809 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3810 } else { \ | |
| 3811 if (len > 0) { \ | |
|
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|
3812 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3813 memcpy((u_char*) buf, \ |
| 3814 (u_char*) src->Tag##_at_addr(start), \ | |
| 3815 len << sc); \ | |
| 3816 } \ | |
| 3817 } \ | |
| 3818 JNI_END | |
| 3819 | |
| 3820 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3821 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3822 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3823 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3824 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3825 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3826 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3827 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3828 | |
| 4006 | 3829 #else /* USDT2 */ |
| 3830 | |
| 3831 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3832 , EntryProbe, ReturnProbe); \ | |
| 3833 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3834 , ReturnProbe); \ | |
| 3835 \ | |
| 3836 JNI_ENTRY(void, \ | |
| 3837 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3838 jsize len, ElementType *buf)) \ | |
| 3839 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3840 EntryProbe; \ | |
| 3841 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3842 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3843 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3844 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3845 } else { \ | |
| 3846 if (len > 0) { \ | |
|
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|
3847 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3848 memcpy((u_char*) buf, \ |
| 3849 (u_char*) src->Tag##_at_addr(start), \ | |
| 3850 len << sc); \ | |
| 3851 } \ | |
| 3852 } \ | |
| 3853 JNI_END | |
| 3854 | |
| 3855 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3856 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3857 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3858 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3859 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3860 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3861 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3862 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3863 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3864 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3865 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3866 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3867 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3868 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3869 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3870 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3871 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3872 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3873 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3874 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3875 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3876 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3877 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3878 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3879 #endif /* USDT2 */ | |
| 3880 | |
| 3881 #ifndef USDT2 | |
| 0 | 3882 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3883 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3884 \ | |
| 3885 JNI_ENTRY(void, \ | |
| 3886 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3887 jsize len, const ElementType *buf)) \ | |
| 3888 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3889 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3890 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3891 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3892 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3893 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3894 } else { \ | |
| 3895 if (len > 0) { \ | |
|
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|
3896 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3897 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3898 (u_char*) buf, \ | |
| 3899 len << sc); \ | |
| 3900 } \ | |
| 3901 } \ | |
| 3902 JNI_END | |
| 3903 | |
| 3904 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3905 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3906 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3907 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3908 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3909 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3910 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3911 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3912 | |
| 4006 | 3913 #else /* USDT2 */ |
| 3914 | |
| 3915 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3916 , EntryProbe, ReturnProbe); \ | |
| 3917 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3918 ,ReturnProbe); \ | |
| 3919 \ | |
| 3920 JNI_ENTRY(void, \ | |
| 3921 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3922 jsize len, const ElementType *buf)) \ | |
| 3923 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3924 EntryProbe; \ | |
| 3925 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3926 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3927 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3928 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3929 } else { \ | |
| 3930 if (len > 0) { \ | |
|
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|
3931 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3932 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3933 (u_char*) buf, \ | |
| 3934 len << sc); \ | |
| 3935 } \ | |
| 3936 } \ | |
| 3937 JNI_END | |
| 3938 | |
| 3939 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3940 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3941 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3942 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3943 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3944 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3945 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3946 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3947 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3948 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3949 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3950 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3951 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3952 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3953 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3954 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3955 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3956 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3957 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3958 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3959 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3960 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3961 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3962 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3963 #endif /* USDT2 */ | |
| 3964 | |
| 0 | 3965 |
| 3966 // | |
| 3967 // Interception of natives | |
| 3968 // | |
| 3969 | |
| 3970 // The RegisterNatives call being attempted tried to register with a method that | |
| 3971 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3972 // to see if the native method is now wrapped with the prefixes. See the | |
| 3973 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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|
3974 static Method* find_prefixed_native(KlassHandle k, |
|
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|
3975 Symbol* name, Symbol* signature, TRAPS) { |
|
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|
3976 #if INCLUDE_JVMTI |
| 0 | 3977 ResourceMark rm(THREAD); |
|
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|
3978 Method* method; |
| 0 | 3979 int name_len = name->utf8_length(); |
| 3980 char* name_str = name->as_utf8(); | |
| 3981 int prefix_count; | |
| 3982 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3983 for (int i = 0; i < prefix_count; i++) { | |
| 3984 char* prefix = prefixes[i]; | |
| 3985 int prefix_len = (int)strlen(prefix); | |
| 3986 | |
| 3987 // try adding this prefix to the method name and see if it matches another method name | |
| 3988 int trial_len = name_len + prefix_len; | |
| 3989 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3990 strcpy(trial_name_str, prefix); | |
| 3991 strcat(trial_name_str, name_str); | |
|
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|
3992 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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diff
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|
3993 if (trial_name == NULL) { |
| 0 | 3994 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3995 } | |
| 6983 | 3996 method = k()->lookup_method(trial_name, signature); |
| 0 | 3997 if (method == NULL) { |
| 3998 continue; // signature doesn't match, try the next prefix | |
| 3999 } | |
| 4000 if (method->is_native()) { | |
| 4001 method->set_is_prefixed_native(); | |
| 4002 return method; // wahoo, we found a prefixed version of the method, return it | |
| 4003 } | |
| 4004 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 4005 name_len = trial_len; | |
| 4006 name_str = trial_name_str; | |
| 4007 } | |
|
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|
4008 #endif // INCLUDE_JVMTI |
| 0 | 4009 return NULL; // not found |
| 4010 } | |
| 4011 | |
|
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diff
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|
4012 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 4013 Method* method = k()->lookup_method(name, signature); |
| 0 | 4014 if (method == NULL) { |
| 4015 ResourceMark rm; | |
| 4016 stringStream st; | |
| 4017 st.print("Method %s name or signature does not match", | |
| 6983 | 4018 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4019 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4020 } | |
| 4021 if (!method->is_native()) { | |
| 4022 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4023 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4024 if (method == NULL) { | |
| 4025 ResourceMark rm; | |
| 4026 stringStream st; | |
| 4027 st.print("Method %s is not declared as native", | |
| 6983 | 4028 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4029 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4030 } | |
| 4031 } | |
| 4032 | |
| 4033 if (entry != NULL) { | |
| 4034 method->set_native_function(entry, | |
|
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|
4035 Method::native_bind_event_is_interesting); |
| 0 | 4036 } else { |
| 4037 method->clear_native_function(); | |
| 4038 } | |
| 4039 if (PrintJNIResolving) { | |
| 4040 ResourceMark rm(THREAD); | |
| 4041 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
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6856
diff
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|
4042 method->method_holder()->external_name(), |
| 0 | 4043 method->name()->as_C_string()); |
| 4044 } | |
| 4045 return true; | |
| 4046 } | |
| 4047 | |
| 4006 | 4048 #ifndef USDT2 |
| 0 | 4049 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4050 #else /* USDT2 */ |
| 4051 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4052 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4053 #endif /* USDT2 */ | |
| 0 | 4054 |
| 4055 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4056 const JNINativeMethod *methods, | |
| 4057 jint nMethods)) | |
| 4058 JNIWrapper("RegisterNatives"); | |
| 4006 | 4059 #ifndef USDT2 |
| 0 | 4060 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4061 #else /* USDT2 */ |
| 4062 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4063 env, clazz, (void *) methods, nMethods); | |
| 4064 #endif /* USDT2 */ | |
| 0 | 4065 jint ret = 0; |
| 4066 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4067 | |
|
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|
4068 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4069 |
| 4070 for (int index = 0; index < nMethods; index++) { | |
| 4071 const char* meth_name = methods[index].name; | |
| 4072 const char* meth_sig = methods[index].signature; | |
| 4073 int meth_name_len = (int)strlen(meth_name); | |
| 4074 | |
| 4075 // The class should have been loaded (we have an instance of the class | |
| 4076 // passed in) so the method and signature should already be in the symbol | |
| 4077 // table. If they're not there, the method doesn't exist. | |
|
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diff
changeset
|
4078 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
4079 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
4080 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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diff
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|
4081 if (name == NULL || signature == NULL) { |
| 0 | 4082 ResourceMark rm; |
| 4083 stringStream st; | |
| 6983 | 4084 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4085 // Must return negative value on failure |
| 4086 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4087 } | |
| 4088 | |
| 4089 bool res = register_native(h_k, name, signature, | |
| 4090 (address) methods[index].fnPtr, THREAD); | |
| 4091 if (!res) { | |
| 4092 ret = -1; | |
| 4093 break; | |
| 4094 } | |
| 4095 } | |
| 4096 return ret; | |
| 4097 JNI_END | |
| 4098 | |
| 4099 | |
| 4100 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4101 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4102 #ifndef USDT2 |
| 0 | 4103 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4104 #else /* USDT2 */ |
| 4105 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4106 env, clazz); | |
| 4107 #endif /* USDT2 */ | |
|
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diff
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|
4108 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4109 //%note jni_2 |
| 6983 | 4110 if (k->oop_is_instance()) { |
|
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diff
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|
4111 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
4112 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4113 if (m->is_native()) { |
| 4114 m->clear_native_function(); | |
| 4115 m->set_signature_handler(NULL); | |
| 4116 } | |
| 4117 } | |
| 4118 } | |
| 4006 | 4119 #ifndef USDT2 |
| 0 | 4120 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4121 #else /* USDT2 */ |
| 4122 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4123 0); | |
| 4124 #endif /* USDT2 */ | |
| 0 | 4125 return 0; |
| 4126 JNI_END | |
| 4127 | |
| 4128 // | |
| 4129 // Monitor functions | |
| 4130 // | |
| 4131 | |
| 4006 | 4132 #ifndef USDT2 |
| 0 | 4133 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4134 #else /* USDT2 */ |
| 4135 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4136 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4137 #endif /* USDT2 */ | |
| 0 | 4138 |
| 4139 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4140 #ifndef USDT2 |
| 0 | 4141 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4142 #else /* USDT2 */ |
| 4143 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4144 env, jobj); | |
| 4145 #endif /* USDT2 */ | |
| 0 | 4146 jint ret = JNI_ERR; |
| 4147 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4148 | |
| 4149 // If the object is null, we can't do anything with it | |
| 4150 if (jobj == NULL) { | |
| 4151 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4152 } | |
| 4153 | |
| 4154 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4155 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4156 ret = JNI_OK; | |
| 4157 return ret; | |
| 4158 JNI_END | |
| 4159 | |
| 4006 | 4160 #ifndef USDT2 |
| 0 | 4161 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4162 #else /* USDT2 */ |
| 4163 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4164 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4165 #endif /* USDT2 */ | |
| 0 | 4166 |
| 4167 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4168 #ifndef USDT2 |
| 0 | 4169 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4170 #else /* USDT2 */ |
| 4171 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4172 env, jobj); | |
| 4173 #endif /* USDT2 */ | |
| 0 | 4174 jint ret = JNI_ERR; |
| 4175 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4176 | |
| 4177 // Don't do anything with a null object | |
| 4178 if (jobj == NULL) { | |
| 4179 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4180 } | |
| 4181 | |
| 4182 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4183 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4184 | |
| 4185 ret = JNI_OK; | |
| 4186 return ret; | |
| 4187 JNI_END | |
| 4188 | |
| 4189 // | |
| 4190 // Extensions | |
| 4191 // | |
| 4192 | |
| 4006 | 4193 #ifndef USDT2 |
| 0 | 4194 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4195 #else /* USDT2 */ |
| 4196 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4197 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4198 #endif /* USDT2 */ | |
| 0 | 4199 |
| 4200 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4201 JNIWrapper("GetStringRegion"); | |
| 4006 | 4202 #ifndef USDT2 |
| 0 | 4203 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4204 #else /* USDT2 */ |
| 4205 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4206 env, string, start, len, buf); | |
| 4207 #endif /* USDT2 */ | |
| 0 | 4208 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4209 oop s = JNIHandles::resolve_non_null(string); | |
| 4210 int s_len = java_lang_String::length(s); | |
| 4211 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4212 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4213 } else { | |
| 4214 if (len > 0) { | |
| 4215 int s_offset = java_lang_String::offset(s); | |
| 4216 typeArrayOop s_value = java_lang_String::value(s); | |
| 4217 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4218 } | |
| 4219 } | |
| 4220 JNI_END | |
| 4221 | |
| 4006 | 4222 #ifndef USDT2 |
| 0 | 4223 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4224 #else /* USDT2 */ |
| 4225 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4226 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4227 #endif /* USDT2 */ | |
| 0 | 4228 |
| 4229 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4230 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4231 #ifndef USDT2 |
| 0 | 4232 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4233 #else /* USDT2 */ |
| 4234 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4235 env, string, start, len, buf); | |
| 4236 #endif /* USDT2 */ | |
| 0 | 4237 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4238 oop s = JNIHandles::resolve_non_null(string); | |
| 4239 int s_len = java_lang_String::length(s); | |
| 4240 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4241 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4242 } else { | |
| 4243 //%note jni_7 | |
| 4244 if (len > 0) { | |
| 4245 ResourceMark rm(THREAD); | |
| 4246 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4247 int utf_len = (int)strlen(utf_region); | |
| 4248 memcpy(buf, utf_region, utf_len); | |
| 4249 buf[utf_len] = 0; | |
| 4250 } else { | |
| 4251 // JDK null-terminates the buffer even in len is zero | |
| 4252 if (buf != NULL) { | |
| 4253 buf[0] = 0; | |
| 4254 } | |
| 4255 } | |
| 4256 } | |
| 4257 JNI_END | |
| 4258 | |
| 4259 | |
| 4260 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4261 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4262 #ifndef USDT2 |
| 0 | 4263 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4264 #else /* USDT2 */ |
| 4265 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4266 env, array, (uintptr_t *) isCopy); | |
| 4267 #endif /* USDT2 */ | |
| 0 | 4268 GC_locker::lock_critical(thread); |
| 4269 if (isCopy != NULL) { | |
| 4270 *isCopy = JNI_FALSE; | |
| 4271 } | |
| 4272 oop a = JNIHandles::resolve_non_null(array); | |
| 4273 assert(a->is_array(), "just checking"); | |
| 4274 BasicType type; | |
| 4275 if (a->is_objArray()) { | |
| 4276 type = T_OBJECT; | |
| 4277 } else { | |
|
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diff
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|
4278 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4279 } |
| 4280 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4281 #ifndef USDT2 |
| 0 | 4282 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4283 #else /* USDT2 */ |
| 4284 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4285 ret); | |
| 4286 #endif /* USDT2 */ | |
| 0 | 4287 return ret; |
| 4288 JNI_END | |
| 4289 | |
| 4290 | |
| 4291 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4292 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4293 #ifndef USDT2 |
| 0 | 4294 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4295 #else /* USDT2 */ |
| 4296 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4297 env, array, carray, mode); | |
| 4298 #endif /* USDT2 */ | |
| 0 | 4299 // The array, carray and mode arguments are ignored |
| 4300 GC_locker::unlock_critical(thread); | |
| 4006 | 4301 #ifndef USDT2 |
| 0 | 4302 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4303 #else /* USDT2 */ |
| 4304 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4305 ); | |
| 4306 #endif /* USDT2 */ | |
| 0 | 4307 JNI_END |
| 4308 | |
| 4309 | |
| 4310 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4311 JNIWrapper("GetStringCritical"); | |
| 4006 | 4312 #ifndef USDT2 |
| 0 | 4313 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4314 #else /* USDT2 */ |
| 4315 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4316 env, string, (uintptr_t *) isCopy); | |
| 4317 #endif /* USDT2 */ | |
| 0 | 4318 GC_locker::lock_critical(thread); |
| 4319 if (isCopy != NULL) { | |
| 4320 *isCopy = JNI_FALSE; | |
| 4321 } | |
| 4322 oop s = JNIHandles::resolve_non_null(string); | |
| 4323 int s_len = java_lang_String::length(s); | |
| 4324 typeArrayOop s_value = java_lang_String::value(s); | |
| 4325 int s_offset = java_lang_String::offset(s); | |
| 4326 const jchar* ret; | |
| 4327 if (s_len > 0) { | |
| 4328 ret = s_value->char_at_addr(s_offset); | |
| 4329 } else { | |
| 4330 ret = (jchar*) s_value->base(T_CHAR); | |
| 4331 } | |
| 4006 | 4332 #ifndef USDT2 |
| 0 | 4333 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4334 #else /* USDT2 */ |
| 4335 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4336 (uint16_t *) ret); | |
| 4337 #endif /* USDT2 */ | |
| 0 | 4338 return ret; |
| 4339 JNI_END | |
| 4340 | |
| 4341 | |
| 4342 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4343 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4344 #ifndef USDT2 |
| 0 | 4345 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4346 #else /* USDT2 */ |
| 4347 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4348 env, str, (uint16_t *) chars); | |
| 4349 #endif /* USDT2 */ | |
| 0 | 4350 // The str and chars arguments are ignored |
| 4351 GC_locker::unlock_critical(thread); | |
| 4006 | 4352 #ifndef USDT2 |
| 0 | 4353 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4354 #else /* USDT2 */ |
| 4355 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4356 ); | |
| 4357 #endif /* USDT2 */ | |
| 0 | 4358 JNI_END |
| 4359 | |
| 4360 | |
| 4361 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4362 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4363 #ifndef USDT2 |
| 0 | 4364 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4365 #else /* USDT2 */ |
| 4366 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4367 env, ref); | |
| 4368 #endif /* USDT2 */ | |
| 0 | 4369 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4370 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4371 #ifndef USDT2 |
| 0 | 4372 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4373 #else /* USDT2 */ |
| 4374 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4375 ret); | |
| 4376 #endif /* USDT2 */ | |
| 0 | 4377 return ret; |
| 4378 JNI_END | |
| 4379 | |
| 4380 // Must be JNI_ENTRY (with HandleMark) | |
| 4381 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4382 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4383 #ifndef USDT2 |
| 0 | 4384 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4385 #else /* USDT2 */ |
| 4386 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4387 env, ref); | |
| 4388 #endif /* USDT2 */ | |
| 0 | 4389 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4390 #ifndef USDT2 |
| 0 | 4391 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4392 #else /* USDT2 */ |
| 4393 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4394 ); | |
| 4395 #endif /* USDT2 */ | |
| 0 | 4396 JNI_END |
| 4397 | |
| 4398 | |
| 4399 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4400 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4401 #ifndef USDT2 |
| 0 | 4402 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4403 #else /* USDT2 */ |
| 4404 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4405 env); | |
| 4406 #endif /* USDT2 */ | |
| 0 | 4407 jni_check_async_exceptions(thread); |
| 4408 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4409 #ifndef USDT2 |
| 0 | 4410 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4411 #else /* USDT2 */ |
| 4412 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4413 ret); | |
| 4414 #endif /* USDT2 */ | |
| 0 | 4415 return ret; |
| 4416 JNI_END | |
| 4417 | |
| 4418 | |
| 4419 // Initialization state for three routines below relating to | |
| 4420 // java.nio.DirectBuffers | |
| 4421 static jint directBufferSupportInitializeStarted = 0; | |
| 4422 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4423 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4424 static jclass bufferClass = NULL; | |
| 4425 static jclass directBufferClass = NULL; | |
| 4426 static jclass directByteBufferClass = NULL; | |
| 4427 static jmethodID directByteBufferConstructor = NULL; | |
| 4428 static jfieldID directBufferAddressField = NULL; | |
| 4429 static jfieldID bufferCapacityField = NULL; | |
| 4430 | |
| 4431 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4432 Handle loader; // null (bootstrap) loader | |
| 4433 Handle protection_domain; // null protection domain | |
| 4434 | |
|
2177
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diff
changeset
|
4435 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
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6603316: Improve instrumentation for classes loaded at startup
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diff
changeset
|
4436 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
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6603316: Improve instrumentation for classes loaded at startup
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|
4437 |
|
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diff
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|
4438 if (TraceClassResolution && result != NULL) { |
|
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|
4439 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
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6603316: Improve instrumentation for classes loaded at startup
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diff
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|
4440 } |
|
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|
4441 return result; |
| 0 | 4442 } |
| 4443 | |
| 4444 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4445 // circumvent any security checks that would be done by jni_FindClass. | |
| 4446 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4447 { | |
| 4448 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4449 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4450 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4451 return true; | |
| 4452 } | |
| 4453 JNI_END | |
| 4454 | |
| 4455 | |
| 4456 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4457 if (directBufferSupportInitializeFailed) { | |
| 4458 return false; | |
| 4459 } | |
| 4460 | |
| 4461 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4462 if (!lookupDirectBufferClasses(env)) { | |
| 4463 directBufferSupportInitializeFailed = 1; | |
| 4464 return false; | |
| 4465 } | |
| 4466 | |
| 4467 // Make global references for these | |
| 4468 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4469 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4470 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4471 | |
| 4472 // Get needed field and method IDs | |
| 4473 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
|
17704
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8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
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17694
diff
changeset
|
4474 if (env->ExceptionCheck()) { |
|
56cd09c4a5c9
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diff
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|
4475 env->ExceptionClear(); |
|
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diff
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|
4476 directBufferSupportInitializeFailed = 1; |
|
56cd09c4a5c9
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diff
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|
4477 return false; |
|
56cd09c4a5c9
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17694
diff
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|
4478 } |
| 0 | 4479 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); |
|
17704
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diff
changeset
|
4480 if (env->ExceptionCheck()) { |
|
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|
4481 env->ExceptionClear(); |
|
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|
4482 directBufferSupportInitializeFailed = 1; |
|
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|
4483 return false; |
|
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|
4484 } |
| 0 | 4485 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); |
|
17704
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|
4486 if (env->ExceptionCheck()) { |
|
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|
4487 env->ExceptionClear(); |
|
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|
4488 directBufferSupportInitializeFailed = 1; |
|
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|
4489 return false; |
|
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|
4490 } |
| 0 | 4491 |
| 4492 if ((directByteBufferConstructor == NULL) || | |
| 4493 (directBufferAddressField == NULL) || | |
| 4494 (bufferCapacityField == NULL)) { | |
| 4495 directBufferSupportInitializeFailed = 1; | |
| 4496 return false; | |
| 4497 } | |
| 4498 | |
| 4499 directBufferSupportInitializeEnded = 1; | |
| 4500 } else { | |
| 4501 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
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|
4502 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
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|
4503 // os::sleep which requires the VM state transition. On other platforms, it |
|
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|
4504 // is not necessary. The following call to change the VM state is purposely |
|
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|
4505 // put inside the loop to avoid potential deadlock when multiple threads |
|
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|
4506 // try to call this method. See 6791815 for more details. |
|
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|
4507 ThreadInVMfromNative tivn(thread); |
| 0 | 4508 os::yield_all(); |
| 4509 } | |
| 4510 } | |
| 4511 | |
| 4512 return !directBufferSupportInitializeFailed; | |
| 4513 } | |
| 4514 | |
| 4515 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4516 { | |
| 4517 // thread_from_jni_environment() will block if VM is gone. | |
| 4518 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4519 | |
| 4520 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4521 #ifndef USDT2 |
| 0 | 4522 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4523 #else /* USDT2 */ |
| 4524 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4525 env, address, capacity); | |
| 4526 #endif /* USDT2 */ | |
| 0 | 4527 |
| 4528 if (!directBufferSupportInitializeEnded) { | |
| 4529 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4530 #ifndef USDT2 |
| 0 | 4531 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4532 #else /* USDT2 */ |
| 4533 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4534 NULL); | |
| 4535 #endif /* USDT2 */ | |
| 0 | 4536 return NULL; |
| 4537 } | |
| 4538 } | |
| 4539 | |
| 4540 // Being paranoid about accidental sign extension on address | |
| 4541 jlong addr = (jlong) ((uintptr_t) address); | |
| 4542 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4543 // takes int capacity | |
| 4544 jint cap = (jint) capacity; | |
| 4545 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4546 #ifndef USDT2 |
| 0 | 4547 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4548 #else /* USDT2 */ |
| 4549 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4550 ret); | |
| 4551 #endif /* USDT2 */ | |
| 0 | 4552 return ret; |
| 4553 } | |
| 4554 | |
| 4006 | 4555 #ifndef USDT2 |
| 0 | 4556 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4557 #else /* USDT2 */ |
| 4558 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4559 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4560 #endif /* USDT2 */ | |
| 0 | 4561 |
| 4562 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4563 { | |
| 4564 // thread_from_jni_environment() will block if VM is gone. | |
| 4565 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4566 | |
| 4567 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4568 #ifndef USDT2 |
| 0 | 4569 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4570 #else /* USDT2 */ |
| 4571 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4572 env, buf); | |
| 4573 #endif /* USDT2 */ | |
| 0 | 4574 void* ret = NULL; |
| 4575 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4576 | |
| 4577 if (!directBufferSupportInitializeEnded) { | |
| 4578 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4579 return 0; | |
| 4580 } | |
| 4581 } | |
| 4582 | |
| 4583 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4584 return 0; | |
| 4585 } | |
| 4586 | |
| 4587 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4588 return ret; | |
| 4589 } | |
| 4590 | |
| 4006 | 4591 #ifndef USDT2 |
| 0 | 4592 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4593 #else /* USDT2 */ |
| 4594 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4595 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4596 #endif /* USDT2 */ | |
| 0 | 4597 |
| 4598 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4599 { | |
| 4600 // thread_from_jni_environment() will block if VM is gone. | |
| 4601 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4602 | |
| 4603 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4604 #ifndef USDT2 |
| 0 | 4605 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4606 #else /* USDT2 */ |
| 4607 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4608 env, buf); | |
| 4609 #endif /* USDT2 */ | |
| 0 | 4610 jlong ret = -1; |
| 4611 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4612 | |
| 4613 if (!directBufferSupportInitializeEnded) { | |
| 4614 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4615 ret = 0; | |
| 4616 return ret; | |
| 4617 } | |
| 4618 } | |
| 4619 | |
| 4620 if (buf == NULL) { | |
| 4621 return -1; | |
| 4622 } | |
| 4623 | |
| 4624 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4625 return -1; | |
| 4626 } | |
| 4627 | |
| 4628 // NOTE that capacity is currently an int in the implementation | |
| 4629 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4630 return ret; | |
| 4631 } | |
| 4632 | |
| 4633 | |
| 4634 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4635 JNIWrapper("GetVersion"); | |
| 4006 | 4636 #ifndef USDT2 |
| 0 | 4637 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4638 #else /* USDT2 */ |
| 4639 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4640 env); | |
| 4641 #endif /* USDT2 */ | |
| 4642 #ifndef USDT2 | |
| 0 | 4643 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4644 #else /* USDT2 */ |
| 4645 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4646 CurrentVersion); | |
| 4647 #endif /* USDT2 */ | |
| 0 | 4648 return CurrentVersion; |
| 4649 JNI_END | |
| 4650 | |
| 4651 extern struct JavaVM_ main_vm; | |
| 4652 | |
| 4653 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4654 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4655 #ifndef USDT2 |
| 0 | 4656 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4657 #else /* USDT2 */ |
| 4658 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4659 env, (void **) vm); | |
| 4660 #endif /* USDT2 */ | |
| 0 | 4661 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4662 #ifndef USDT2 |
| 0 | 4663 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4664 #else /* USDT2 */ |
| 4665 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4666 JNI_OK); | |
| 4667 #endif /* USDT2 */ | |
| 0 | 4668 return JNI_OK; |
| 4669 JNI_END | |
| 4670 | |
| 4671 // Structure containing all jni functions | |
| 4672 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4673 NULL, | |
| 4674 NULL, | |
| 4675 NULL, | |
| 4676 | |
| 4677 NULL, | |
| 4678 | |
| 4679 jni_GetVersion, | |
| 4680 | |
| 4681 jni_DefineClass, | |
| 4682 jni_FindClass, | |
| 4683 | |
| 4684 jni_FromReflectedMethod, | |
| 4685 jni_FromReflectedField, | |
| 4686 | |
| 4687 jni_ToReflectedMethod, | |
| 4688 | |
| 4689 jni_GetSuperclass, | |
| 4690 jni_IsAssignableFrom, | |
| 4691 | |
| 4692 jni_ToReflectedField, | |
| 4693 | |
| 4694 jni_Throw, | |
| 4695 jni_ThrowNew, | |
| 4696 jni_ExceptionOccurred, | |
| 4697 jni_ExceptionDescribe, | |
| 4698 jni_ExceptionClear, | |
| 4699 jni_FatalError, | |
| 4700 | |
| 4701 jni_PushLocalFrame, | |
| 4702 jni_PopLocalFrame, | |
| 4703 | |
| 4704 jni_NewGlobalRef, | |
| 4705 jni_DeleteGlobalRef, | |
| 4706 jni_DeleteLocalRef, | |
| 4707 jni_IsSameObject, | |
| 4708 | |
| 4709 jni_NewLocalRef, | |
| 4710 jni_EnsureLocalCapacity, | |
| 4711 | |
| 4712 jni_AllocObject, | |
| 4713 jni_NewObject, | |
| 4714 jni_NewObjectV, | |
| 4715 jni_NewObjectA, | |
| 4716 | |
| 4717 jni_GetObjectClass, | |
| 4718 jni_IsInstanceOf, | |
| 4719 | |
| 4720 jni_GetMethodID, | |
| 4721 | |
| 4722 jni_CallObjectMethod, | |
| 4723 jni_CallObjectMethodV, | |
| 4724 jni_CallObjectMethodA, | |
| 4725 jni_CallBooleanMethod, | |
| 4726 jni_CallBooleanMethodV, | |
| 4727 jni_CallBooleanMethodA, | |
| 4728 jni_CallByteMethod, | |
| 4729 jni_CallByteMethodV, | |
| 4730 jni_CallByteMethodA, | |
| 4731 jni_CallCharMethod, | |
| 4732 jni_CallCharMethodV, | |
| 4733 jni_CallCharMethodA, | |
| 4734 jni_CallShortMethod, | |
| 4735 jni_CallShortMethodV, | |
| 4736 jni_CallShortMethodA, | |
| 4737 jni_CallIntMethod, | |
| 4738 jni_CallIntMethodV, | |
| 4739 jni_CallIntMethodA, | |
| 4740 jni_CallLongMethod, | |
| 4741 jni_CallLongMethodV, | |
| 4742 jni_CallLongMethodA, | |
| 4743 jni_CallFloatMethod, | |
| 4744 jni_CallFloatMethodV, | |
| 4745 jni_CallFloatMethodA, | |
| 4746 jni_CallDoubleMethod, | |
| 4747 jni_CallDoubleMethodV, | |
| 4748 jni_CallDoubleMethodA, | |
| 4749 jni_CallVoidMethod, | |
| 4750 jni_CallVoidMethodV, | |
| 4751 jni_CallVoidMethodA, | |
| 4752 | |
| 4753 jni_CallNonvirtualObjectMethod, | |
| 4754 jni_CallNonvirtualObjectMethodV, | |
| 4755 jni_CallNonvirtualObjectMethodA, | |
| 4756 jni_CallNonvirtualBooleanMethod, | |
| 4757 jni_CallNonvirtualBooleanMethodV, | |
| 4758 jni_CallNonvirtualBooleanMethodA, | |
| 4759 jni_CallNonvirtualByteMethod, | |
| 4760 jni_CallNonvirtualByteMethodV, | |
| 4761 jni_CallNonvirtualByteMethodA, | |
| 4762 jni_CallNonvirtualCharMethod, | |
| 4763 jni_CallNonvirtualCharMethodV, | |
| 4764 jni_CallNonvirtualCharMethodA, | |
| 4765 jni_CallNonvirtualShortMethod, | |
| 4766 jni_CallNonvirtualShortMethodV, | |
| 4767 jni_CallNonvirtualShortMethodA, | |
| 4768 jni_CallNonvirtualIntMethod, | |
| 4769 jni_CallNonvirtualIntMethodV, | |
| 4770 jni_CallNonvirtualIntMethodA, | |
| 4771 jni_CallNonvirtualLongMethod, | |
| 4772 jni_CallNonvirtualLongMethodV, | |
| 4773 jni_CallNonvirtualLongMethodA, | |
| 4774 jni_CallNonvirtualFloatMethod, | |
| 4775 jni_CallNonvirtualFloatMethodV, | |
| 4776 jni_CallNonvirtualFloatMethodA, | |
| 4777 jni_CallNonvirtualDoubleMethod, | |
| 4778 jni_CallNonvirtualDoubleMethodV, | |
| 4779 jni_CallNonvirtualDoubleMethodA, | |
| 4780 jni_CallNonvirtualVoidMethod, | |
| 4781 jni_CallNonvirtualVoidMethodV, | |
| 4782 jni_CallNonvirtualVoidMethodA, | |
| 4783 | |
| 4784 jni_GetFieldID, | |
| 4785 | |
| 4786 jni_GetObjectField, | |
| 4787 jni_GetBooleanField, | |
| 4788 jni_GetByteField, | |
| 4789 jni_GetCharField, | |
| 4790 jni_GetShortField, | |
| 4791 jni_GetIntField, | |
| 4792 jni_GetLongField, | |
| 4793 jni_GetFloatField, | |
| 4794 jni_GetDoubleField, | |
| 4795 | |
| 4796 jni_SetObjectField, | |
| 4797 jni_SetBooleanField, | |
| 4798 jni_SetByteField, | |
| 4799 jni_SetCharField, | |
| 4800 jni_SetShortField, | |
| 4801 jni_SetIntField, | |
| 4802 jni_SetLongField, | |
| 4803 jni_SetFloatField, | |
| 4804 jni_SetDoubleField, | |
| 4805 | |
| 4806 jni_GetStaticMethodID, | |
| 4807 | |
| 4808 jni_CallStaticObjectMethod, | |
| 4809 jni_CallStaticObjectMethodV, | |
| 4810 jni_CallStaticObjectMethodA, | |
| 4811 jni_CallStaticBooleanMethod, | |
| 4812 jni_CallStaticBooleanMethodV, | |
| 4813 jni_CallStaticBooleanMethodA, | |
| 4814 jni_CallStaticByteMethod, | |
| 4815 jni_CallStaticByteMethodV, | |
| 4816 jni_CallStaticByteMethodA, | |
| 4817 jni_CallStaticCharMethod, | |
| 4818 jni_CallStaticCharMethodV, | |
| 4819 jni_CallStaticCharMethodA, | |
| 4820 jni_CallStaticShortMethod, | |
| 4821 jni_CallStaticShortMethodV, | |
| 4822 jni_CallStaticShortMethodA, | |
| 4823 jni_CallStaticIntMethod, | |
| 4824 jni_CallStaticIntMethodV, | |
| 4825 jni_CallStaticIntMethodA, | |
| 4826 jni_CallStaticLongMethod, | |
| 4827 jni_CallStaticLongMethodV, | |
| 4828 jni_CallStaticLongMethodA, | |
| 4829 jni_CallStaticFloatMethod, | |
| 4830 jni_CallStaticFloatMethodV, | |
| 4831 jni_CallStaticFloatMethodA, | |
| 4832 jni_CallStaticDoubleMethod, | |
| 4833 jni_CallStaticDoubleMethodV, | |
| 4834 jni_CallStaticDoubleMethodA, | |
| 4835 jni_CallStaticVoidMethod, | |
| 4836 jni_CallStaticVoidMethodV, | |
| 4837 jni_CallStaticVoidMethodA, | |
| 4838 | |
| 4839 jni_GetStaticFieldID, | |
| 4840 | |
| 4841 jni_GetStaticObjectField, | |
| 4842 jni_GetStaticBooleanField, | |
| 4843 jni_GetStaticByteField, | |
| 4844 jni_GetStaticCharField, | |
| 4845 jni_GetStaticShortField, | |
| 4846 jni_GetStaticIntField, | |
| 4847 jni_GetStaticLongField, | |
| 4848 jni_GetStaticFloatField, | |
| 4849 jni_GetStaticDoubleField, | |
| 4850 | |
| 4851 jni_SetStaticObjectField, | |
| 4852 jni_SetStaticBooleanField, | |
| 4853 jni_SetStaticByteField, | |
| 4854 jni_SetStaticCharField, | |
| 4855 jni_SetStaticShortField, | |
| 4856 jni_SetStaticIntField, | |
| 4857 jni_SetStaticLongField, | |
| 4858 jni_SetStaticFloatField, | |
| 4859 jni_SetStaticDoubleField, | |
| 4860 | |
| 4861 jni_NewString, | |
| 4862 jni_GetStringLength, | |
| 4863 jni_GetStringChars, | |
| 4864 jni_ReleaseStringChars, | |
| 4865 | |
| 4866 jni_NewStringUTF, | |
| 4867 jni_GetStringUTFLength, | |
| 4868 jni_GetStringUTFChars, | |
| 4869 jni_ReleaseStringUTFChars, | |
| 4870 | |
| 4871 jni_GetArrayLength, | |
| 4872 | |
| 4873 jni_NewObjectArray, | |
| 4874 jni_GetObjectArrayElement, | |
| 4875 jni_SetObjectArrayElement, | |
| 4876 | |
| 4877 jni_NewBooleanArray, | |
| 4878 jni_NewByteArray, | |
| 4879 jni_NewCharArray, | |
| 4880 jni_NewShortArray, | |
| 4881 jni_NewIntArray, | |
| 4882 jni_NewLongArray, | |
| 4883 jni_NewFloatArray, | |
| 4884 jni_NewDoubleArray, | |
| 4885 | |
| 4886 jni_GetBooleanArrayElements, | |
| 4887 jni_GetByteArrayElements, | |
| 4888 jni_GetCharArrayElements, | |
| 4889 jni_GetShortArrayElements, | |
| 4890 jni_GetIntArrayElements, | |
| 4891 jni_GetLongArrayElements, | |
| 4892 jni_GetFloatArrayElements, | |
| 4893 jni_GetDoubleArrayElements, | |
| 4894 | |
| 4895 jni_ReleaseBooleanArrayElements, | |
| 4896 jni_ReleaseByteArrayElements, | |
| 4897 jni_ReleaseCharArrayElements, | |
| 4898 jni_ReleaseShortArrayElements, | |
| 4899 jni_ReleaseIntArrayElements, | |
| 4900 jni_ReleaseLongArrayElements, | |
| 4901 jni_ReleaseFloatArrayElements, | |
| 4902 jni_ReleaseDoubleArrayElements, | |
| 4903 | |
| 4904 jni_GetBooleanArrayRegion, | |
| 4905 jni_GetByteArrayRegion, | |
| 4906 jni_GetCharArrayRegion, | |
| 4907 jni_GetShortArrayRegion, | |
| 4908 jni_GetIntArrayRegion, | |
| 4909 jni_GetLongArrayRegion, | |
| 4910 jni_GetFloatArrayRegion, | |
| 4911 jni_GetDoubleArrayRegion, | |
| 4912 | |
| 4913 jni_SetBooleanArrayRegion, | |
| 4914 jni_SetByteArrayRegion, | |
| 4915 jni_SetCharArrayRegion, | |
| 4916 jni_SetShortArrayRegion, | |
| 4917 jni_SetIntArrayRegion, | |
| 4918 jni_SetLongArrayRegion, | |
| 4919 jni_SetFloatArrayRegion, | |
| 4920 jni_SetDoubleArrayRegion, | |
| 4921 | |
| 4922 jni_RegisterNatives, | |
| 4923 jni_UnregisterNatives, | |
| 4924 | |
| 4925 jni_MonitorEnter, | |
| 4926 jni_MonitorExit, | |
| 4927 | |
| 4928 jni_GetJavaVM, | |
| 4929 | |
| 4930 jni_GetStringRegion, | |
| 4931 jni_GetStringUTFRegion, | |
| 4932 | |
| 4933 jni_GetPrimitiveArrayCritical, | |
| 4934 jni_ReleasePrimitiveArrayCritical, | |
| 4935 | |
| 4936 jni_GetStringCritical, | |
| 4937 jni_ReleaseStringCritical, | |
| 4938 | |
| 4939 jni_NewWeakGlobalRef, | |
| 4940 jni_DeleteWeakGlobalRef, | |
| 4941 | |
| 4942 jni_ExceptionCheck, | |
| 4943 | |
| 4944 jni_NewDirectByteBuffer, | |
| 4945 jni_GetDirectBufferAddress, | |
| 4946 jni_GetDirectBufferCapacity, | |
| 4947 | |
| 4948 // New 1_6 features | |
| 4949 | |
| 4950 jni_GetObjectRefType | |
| 4951 }; | |
| 4952 | |
| 4953 | |
| 4954 // For jvmti use to modify jni function table. | |
| 4955 // Java threads in native contiues to run until it is transitioned | |
| 4956 // to VM at safepoint. Before the transition or before it is blocked | |
| 4957 // for safepoint it may access jni function table. VM could crash if | |
| 4958 // any java thread access the jni function table in the middle of memcpy. | |
| 4959 // To avoid this each function pointers are copied automically. | |
| 4960 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4961 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4962 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4963 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4964 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4965 Atomic::store_ptr(*b++, a++); | |
| 4966 } | |
| 4967 } | |
| 4968 | |
| 4969 void quicken_jni_functions() { | |
| 4970 // Replace Get<Primitive>Field with fast versions | |
| 4971 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4972 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4973 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4974 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4975 // versions currently isn't certain for server vm on uniprocessor. | |
| 4976 && os::is_MP() | |
| 4977 #endif | |
| 4978 ) { | |
| 4979 address func; | |
| 4980 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4981 if (func != (address)-1) { | |
| 4982 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4983 } | |
| 4984 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4985 if (func != (address)-1) { | |
| 4986 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4987 } | |
| 4988 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4989 if (func != (address)-1) { | |
| 4990 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4991 } | |
| 4992 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4993 if (func != (address)-1) { | |
| 4994 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4995 } | |
| 4996 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4997 if (func != (address)-1) { | |
| 4998 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4999 } | |
| 5000 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 5001 if (func != (address)-1) { | |
| 5002 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 5003 } | |
| 5004 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 5005 if (func != (address)-1) { | |
| 5006 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 5007 } | |
| 5008 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 5009 if (func != (address)-1) { | |
| 5010 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 5011 } | |
| 5012 } | |
| 5013 } | |
| 5014 | |
| 5015 // Returns the function structure | |
| 5016 struct JNINativeInterface_* jni_functions() { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
5017 #if INCLUDE_JNI_CHECK |
| 0 | 5018 if (CheckJNICalls) return jni_functions_check(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
5019 #endif // INCLUDE_JNI_CHECK |
| 0 | 5020 return &jni_NativeInterface; |
| 5021 } | |
| 5022 | |
| 5023 // Returns the function structure | |
| 5024 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 5025 return &jni_NativeInterface; | |
| 5026 } | |
| 5027 | |
| 5028 | |
| 5029 // Invocation API | |
| 5030 | |
| 5031 | |
| 5032 // Forward declaration | |
| 5033 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 5034 | |
| 5035 // Global invocation API vars | |
| 5036 volatile jint vm_created = 0; | |
| 5037 // Indicate whether it is safe to recreate VM | |
| 5038 volatile jint safe_to_recreate_vm = 1; | |
| 5039 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5040 | |
| 5041 | |
| 5042 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5043 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5044 | |
| 4006 | 5045 #ifndef USDT2 |
| 0 | 5046 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5047 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5048 #else /* USDT2 */ |
| 5049 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5050 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5051 #endif /* USDT2 */ | |
| 0 | 5052 |
| 5053 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5054 #ifndef USDT2 |
| 0 | 5055 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5056 #else /* USDT2 */ |
| 5057 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5058 args_); | |
| 5059 #endif /* USDT2 */ | |
| 0 | 5060 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5061 jint ret = JNI_ERR; | |
| 5062 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5063 | |
| 5064 if (Threads::is_supported_jni_version(args->version)) { | |
| 5065 ret = JNI_OK; | |
| 5066 } | |
| 5067 // 1.1 style no longer supported in hotspot. | |
| 5068 // According the JNI spec, we should update args->version on return. | |
| 5069 // We also use the structure to communicate with launcher about default | |
| 5070 // stack size. | |
| 5071 if (args->version == JNI_VERSION_1_1) { | |
| 5072 args->version = JNI_VERSION_1_2; | |
| 5073 // javaStackSize is int in arguments structure | |
| 5074 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5075 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5076 } | |
| 5077 return ret; | |
| 5078 } | |
| 5079 | |
| 3779 | 5080 #ifndef PRODUCT |
| 5081 | |
| 10405 | 5082 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5083 #include "gc_interface/collectedHeap.hpp" |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
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9060
diff
changeset
|
5084 #if INCLUDE_ALL_GCS |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5085 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5086 #endif |
|
20318
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
dsimms
parents:
20262
diff
changeset
|
5087 #include "memory/guardedMemory.hpp" |
| 3779 | 5088 #include "utilities/quickSort.hpp" |
| 12215 | 5089 #include "utilities/ostream.hpp" |
| 7171 | 5090 #if INCLUDE_VM_STRUCTS |
| 5091 #include "runtime/vmStructs.hpp" | |
| 5092 #endif | |
| 3779 | 5093 |
| 4708 | 5094 #define run_unit_test(unit_test_function_call) \ |
| 5095 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5096 unit_test_function_call | |
| 5097 | |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5098 // Forward declaration |
|
22974
c2ce24504334
8049864: TestParallelHeapSizeFlags fails with unexpected heap size
ehelin
parents:
20619
diff
changeset
|
5099 void TestOS_test(); |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5100 void TestReservedSpace_test(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5101 void TestReserveMemorySpecial_test(); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5102 void TestVirtualSpace_test(); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5103 void TestMetaspaceAux_test(); |
| 12902 | 5104 void TestMetachunk_test(); |
|
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5105 void TestVirtualSpaceNode_test(); |
|
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5106 void TestNewSize_test(); |
|
20262
76b588255908
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
20255
diff
changeset
|
5107 void TestKlass_test(); |
| 20360 | 5108 void Test_linked_list(); |
|
20619
b12a2a9b05ca
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
20360
diff
changeset
|
5109 void TestChunkedList_test(); |
| 17694 | 5110 #if INCLUDE_ALL_GCS |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
12979
diff
changeset
|
5111 void TestOldFreeSpaceCalculation_test(); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5112 void TestG1BiasedArray_test(); |
|
20255
02e61cf08ab3
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
20197
diff
changeset
|
5113 void TestBufferingOopClosure_test(); |
|
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5114 void TestCodeCacheRemSet_test(); |
| 20337 | 5115 void FreeRegionList_test(); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5116 #endif |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5117 |
| 3779 | 5118 void execute_internal_vm_tests() { |
| 5119 if (ExecuteInternalVMTests) { | |
| 4708 | 5120 tty->print_cr("Running internal VM tests"); |
|
22974
c2ce24504334
8049864: TestParallelHeapSizeFlags fails with unexpected heap size
ehelin
parents:
20619
diff
changeset
|
5121 run_unit_test(TestOS_test()); |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5122 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5123 run_unit_test(TestReserveMemorySpecial_test()); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5124 run_unit_test(TestVirtualSpace_test()); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5125 run_unit_test(TestMetaspaceAux_test()); |
| 12902 | 5126 run_unit_test(TestMetachunk_test()); |
|
12979
1d1ea10fe09f
8015255: NPG: Don't waste fragment at the end of a VirtualSpaceNode before retiring it.
mgerdin
parents:
12902
diff
changeset
|
5127 run_unit_test(TestVirtualSpaceNode_test()); |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5128 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5129 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5130 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5131 run_unit_test(CollectedHeap::test_is_in()); | |
| 5132 run_unit_test(QuickSort::test_quick_sort()); | |
|
20318
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
dsimms
parents:
20262
diff
changeset
|
5133 run_unit_test(GuardedMemory::test_guarded_memory()); |
| 6162 | 5134 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 5135 run_unit_test(test_loggc_filename()); |
|
17898
1d01a7f3a336
8033426: Scale initial NewSize using NewRatio if not set on command line
sjohanss
parents:
17829
diff
changeset
|
5136 run_unit_test(TestNewSize_test()); |
|
20262
76b588255908
8035746: Add missing Klass::oop_is_instanceClassLoader() function
stefank
parents:
20255
diff
changeset
|
5137 run_unit_test(TestKlass_test()); |
| 20360 | 5138 run_unit_test(Test_linked_list()); |
|
20619
b12a2a9b05ca
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
20360
diff
changeset
|
5139 run_unit_test(TestChunkedList_test()); |
| 7171 | 5140 #if INCLUDE_VM_STRUCTS |
| 5141 run_unit_test(VMStructs::test()); | |
| 5142 #endif | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5143 #if INCLUDE_ALL_GCS |
| 17694 | 5144 run_unit_test(TestOldFreeSpaceCalculation_test()); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5145 run_unit_test(TestG1BiasedArray_test()); |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5146 run_unit_test(HeapRegionRemSet::test_prt()); |
|
20255
02e61cf08ab3
8033764: Remove the usage of StarTask from BufferingOopClosure
stefank
parents:
20197
diff
changeset
|
5147 run_unit_test(TestBufferingOopClosure_test()); |
|
17753
191174b49bec
8035406: Improve data structure for Code Cache remembered sets
tschatzl
parents:
17704
diff
changeset
|
5148 run_unit_test(TestCodeCacheRemSet_test()); |
| 20337 | 5149 if (UseG1GC) { |
| 5150 run_unit_test(FreeRegionList_test()); | |
| 5151 } | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5152 #endif |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5153 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5154 } |
| 5155 } | |
| 5156 | |
| 4708 | 5157 #undef run_unit_test |
| 5158 | |
| 3779 | 5159 #endif |
| 5160 | |
| 4006 | 5161 #ifndef USDT2 |
| 0 | 5162 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5163 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5164 #else /* USDT2 */ |
| 5165 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5166 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5167 #endif /* USDT2 */ | |
| 0 | 5168 |
| 5169 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5170 #ifndef USDT2 |
| 0 | 5171 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5172 #else /* USDT2 */ |
| 5173 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5174 (void **) vm, penv, args); | |
| 5175 #endif /* USDT2 */ | |
| 0 | 5176 |
| 5177 jint result = JNI_ERR; | |
| 5178 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5179 | |
| 1078 | 5180 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5181 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5182 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5183 // on all architectures. So we check it works before relying on it. | |
| 5184 #if defined(ZERO) && defined(ASSERT) | |
| 5185 { | |
| 5186 jint a = 0xcafebabe; | |
| 5187 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5188 void *c = &a; | |
| 5189 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5190 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5191 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5192 } | |
| 5193 #endif // ZERO && ASSERT | |
| 5194 | |
| 0 | 5195 // At the moment it's only possible to have one Java VM, |
| 5196 // since some of the runtime state is in global variables. | |
| 5197 | |
| 5198 // We cannot use our mutex locks here, since they only work on | |
| 5199 // Threads. We do an atomic compare and exchange to ensure only | |
| 5200 // one thread can call this method at a time | |
| 5201 | |
| 5202 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5203 // the add/dec implementations are dependent on whether we are running | |
| 5204 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5205 // function used to determine this will always return false. Atomic::xchg | |
| 5206 // does not have this problem. | |
| 5207 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5208 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5209 } |
| 5210 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5211 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5212 } | |
| 5213 | |
| 5214 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5215 | |
| 5216 /** | |
| 5217 * Certain errors during initialization are recoverable and do not | |
| 5218 * prevent this method from being called again at a later time | |
| 5219 * (perhaps with different arguments). However, at a certain | |
| 5220 * point during initialization if an error occurs we cannot allow | |
| 5221 * this function to be called again (or it will crash). In those | |
| 5222 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5223 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5224 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5225 */ | |
| 5226 bool can_try_again = true; | |
| 5227 | |
| 5228 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5229 if (result == JNI_OK) { | |
| 5230 JavaThread *thread = JavaThread::current(); | |
| 5231 /* thread is thread_in_vm here */ | |
| 5232 *vm = (JavaVM *)(&main_vm); | |
| 5233 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5234 | |
|
23404
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5235 #if INCLUDE_JVMCI |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5236 if (UseJVMCICompiler) { |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5237 // JVMCI is initialized on a CompilerThread |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5238 if (BootstrapJVMCI) { |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5239 JavaThread* THREAD = thread; |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5240 JVMCICompiler* compiler = JVMCICompiler::instance(CATCH); |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5241 compiler->bootstrap(THREAD); |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5242 if (HAS_PENDING_EXCEPTION) { |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5243 HandleMark hm; |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5244 vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION)); |
|
3ef45d0a6d77
Remove jvmci VM configuration, and backport UseJVMCICompiler flag.
Roland Schatz <roland.schatz@oracle.com>
parents:
23386
diff
changeset
|
5245 } |
| 23385 | 5246 } |
|
13174
b00553202ec2
add NULL check so that -Xint option works again
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13086
diff
changeset
|
5247 } |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5248 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5249 |
| 0 | 5250 // Tracks the time application was running before GC |
| 5251 RuntimeService::record_application_start(); | |
| 5252 | |
| 5253 // Notify JVMTI | |
| 5254 if (JvmtiExport::should_post_thread_life()) { | |
| 5255 JvmtiExport::post_thread_start(thread); | |
| 5256 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5257 |
| 10405 | 5258 EventThreadStart event; |
| 5259 if (event.should_commit()) { | |
| 5260 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5261 event.commit(); | |
| 5262 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5263 |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5264 #ifndef PRODUCT |
|
17829
0118c8c7b80f
8038633: crash in VM_Version::get_processor_features() on startup
kvn
parents:
17753
diff
changeset
|
5265 #ifndef CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5266 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5267 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5268 |
| 0 | 5269 // Check if we should compile all classes on bootclasspath |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5270 if (CompileTheWorld) ClassLoader::compile_the_world(); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5271 if (ReplayCompiles) ciReplay::replay(thread); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5272 |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5273 // Some platforms (like Win*) need a wrapper around these test |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5274 // functions in order to properly handle error conditions. |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5275 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5276 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5277 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5278 |
| 0 | 5279 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5280 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5281 } else { | |
| 5282 if (can_try_again) { | |
| 5283 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5284 safe_to_recreate_vm = 1; | |
| 5285 } | |
| 5286 | |
| 5287 // Creation failed. We must reset vm_created | |
| 5288 *vm = 0; | |
| 5289 *(JNIEnv**)penv = 0; | |
| 5290 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5291 // control both compiler and architectural-based reordering. | |
| 5292 OrderAccess::release_store(&vm_created, 0); | |
| 5293 } | |
| 5294 | |
| 5295 return result; | |
| 5296 } | |
| 5297 | |
| 4006 | 5298 #ifndef USDT2 |
| 0 | 5299 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5300 JavaVM**, jsize, jsize*); | |
| 5301 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5302 #endif /* !USDT2 */ |
| 0 | 5303 |
| 5304 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5305 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5306 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5307 #ifndef USDT2 |
| 0 | 5308 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5309 vm_buf, bufLen, numVMs); | |
| 4006 | 5310 #else /* USDT2 */ |
| 5311 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5312 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5313 #endif /* USDT2 */ | |
| 0 | 5314 if (vm_created) { |
| 5315 if (numVMs != NULL) *numVMs = 1; | |
| 5316 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5317 } else { | |
| 5318 if (numVMs != NULL) *numVMs = 0; | |
| 5319 } | |
| 4006 | 5320 #ifndef USDT2 |
| 0 | 5321 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5322 #else /* USDT2 */ |
| 5323 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5324 JNI_OK); | |
| 5325 #endif /* USDT2 */ | |
| 0 | 5326 return JNI_OK; |
| 5327 } | |
| 5328 | |
| 5329 extern "C" { | |
| 5330 | |
| 4006 | 5331 #ifndef USDT2 |
| 0 | 5332 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5333 #else /* USDT2 */ |
| 5334 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5335 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5336 #endif /* USDT2 */ | |
| 0 | 5337 |
| 5338 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5339 #ifndef USDT2 |
| 0 | 5340 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5341 #else /* USDT2 */ |
| 5342 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5343 vm); | |
| 5344 #endif /* USDT2 */ | |
| 0 | 5345 jint res = JNI_ERR; |
| 5346 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5347 | |
| 5348 if (!vm_created) { | |
| 5349 res = JNI_ERR; | |
| 5350 return res; | |
| 5351 } | |
| 5352 | |
| 5353 JNIWrapper("DestroyJavaVM"); | |
| 5354 JNIEnv *env; | |
| 5355 JavaVMAttachArgs destroyargs; | |
| 5356 destroyargs.version = CurrentVersion; | |
| 5357 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5358 destroyargs.group = NULL; | |
| 5359 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5360 if (res != JNI_OK) { | |
| 5361 return res; | |
| 5362 } | |
| 5363 | |
| 5364 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5365 JavaThread* thread = JavaThread::current(); | |
| 5366 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5367 if (Threads::destroy_vm()) { | |
| 5368 // Should not change thread state, VM is gone | |
| 5369 vm_created = false; | |
| 5370 res = JNI_OK; | |
| 5371 return res; | |
| 5372 } else { | |
| 5373 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5374 res = JNI_ERR; | |
| 5375 return res; | |
| 5376 } | |
| 5377 } | |
| 5378 | |
| 5379 | |
| 5380 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5381 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5382 | |
| 5383 // Check below commented out from JDK1.2fcs as well | |
| 5384 /* | |
| 5385 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5386 return JNI_EVERSION; | |
| 5387 } | |
| 5388 */ | |
| 5389 | |
| 5390 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5391 if (t != NULL) { | |
| 5392 // If the thread has been attached this operation is a no-op | |
| 5393 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5394 return JNI_OK; | |
| 5395 } | |
| 5396 | |
| 5397 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5398 // ThreadsListEnumerator - see CR 6404306 | |
| 5399 JavaThread* thread = new JavaThread(true); | |
| 5400 | |
| 5401 // Set correct safepoint info. The thread is going to call into Java when | |
| 5402 // initializing the Java level thread object. Hence, the correct state must | |
| 5403 // be set in order for the Safepoint code to deal with it correctly. | |
| 5404 thread->set_thread_state(_thread_in_vm); | |
| 5405 // Must do this before initialize_thread_local_storage | |
| 5406 thread->record_stack_base_and_size(); | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5407 |
| 0 | 5408 thread->initialize_thread_local_storage(); |
| 5409 | |
| 5410 if (!os::create_attached_thread(thread)) { | |
| 5411 delete thread; | |
| 5412 return JNI_ERR; | |
| 5413 } | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5414 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5415 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5416 |
| 0 | 5417 thread->initialize_tlab(); |
| 5418 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5419 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5420 |
| 0 | 5421 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5422 // not been added to the Thread list yet. | |
| 5423 { Threads_lock->lock_without_safepoint_check(); | |
| 5424 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5425 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5426 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5427 Threads::add(thread, daemon); | |
| 5428 Threads_lock->unlock(); | |
| 5429 } | |
| 5430 // Create thread group and name info from attach arguments | |
| 5431 oop group = NULL; | |
| 5432 char* thread_name = NULL; | |
| 5433 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5434 group = JNIHandles::resolve(args->group); | |
| 5435 thread_name = args->name; // may be NULL | |
| 5436 } | |
| 5437 if (group == NULL) group = Universe::main_thread_group(); | |
| 5438 | |
| 5439 // Create Java level thread object and attach it to this thread | |
| 5440 bool attach_failed = false; | |
| 5441 { | |
| 5442 EXCEPTION_MARK; | |
| 5443 HandleMark hm(THREAD); | |
| 5444 Handle thread_group(THREAD, group); | |
| 5445 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5446 if (HAS_PENDING_EXCEPTION) { | |
| 5447 CLEAR_PENDING_EXCEPTION; | |
| 5448 // cleanup outside the handle mark. | |
| 5449 attach_failed = true; | |
| 5450 } | |
| 5451 } | |
| 5452 | |
| 5453 if (attach_failed) { | |
| 5454 // Added missing cleanup | |
| 5455 thread->cleanup_failed_attach_current_thread(); | |
| 5456 return JNI_ERR; | |
| 5457 } | |
| 5458 | |
| 5459 // mark the thread as no longer attaching | |
| 5460 // this uses a fence to push the change through so we don't have | |
| 5461 // to regrab the threads_lock | |
| 4006 | 5462 thread->set_done_attaching_via_jni(); |
| 0 | 5463 |
| 5464 // Set java thread status. | |
| 5465 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5466 java_lang_Thread::RUNNABLE); | |
| 5467 | |
| 5468 // Notify the debugger | |
| 5469 if (JvmtiExport::should_post_thread_life()) { | |
| 5470 JvmtiExport::post_thread_start(thread); | |
| 5471 } | |
| 5472 | |
| 10405 | 5473 EventThreadStart event; |
| 5474 if (event.should_commit()) { | |
| 5475 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5476 event.commit(); | |
| 5477 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5478 |
| 0 | 5479 *(JNIEnv**)penv = thread->jni_environment(); |
| 5480 | |
| 5481 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5482 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5483 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5484 // needed. | |
| 5485 | |
| 5486 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5487 | |
| 5488 // Perform any platform dependent FPU setup | |
| 5489 os::setup_fpu(); | |
| 5490 | |
| 5491 return JNI_OK; | |
| 5492 } | |
| 5493 | |
| 5494 | |
| 5495 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5496 #ifndef USDT2 |
| 0 | 5497 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5498 #else /* USDT2 */ |
| 5499 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5500 vm, penv, _args); | |
| 5501 #endif /* USDT2 */ | |
| 0 | 5502 if (!vm_created) { |
| 4006 | 5503 #ifndef USDT2 |
| 0 | 5504 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5505 #else /* USDT2 */ |
| 5506 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5507 (uint32_t) JNI_ERR); | |
| 5508 #endif /* USDT2 */ | |
| 0 | 5509 return JNI_ERR; |
| 5510 } | |
| 5511 | |
| 5512 JNIWrapper("AttachCurrentThread"); | |
| 5513 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5514 #ifndef USDT2 |
| 0 | 5515 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5516 #else /* USDT2 */ |
| 5517 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5518 ret); | |
| 5519 #endif /* USDT2 */ | |
| 0 | 5520 return ret; |
| 5521 } | |
| 5522 | |
| 5523 | |
| 5524 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5525 #ifndef USDT2 |
| 0 | 5526 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5527 #else /* USDT2 */ |
| 5528 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5529 vm); | |
| 5530 #endif /* USDT2 */ | |
| 0 | 5531 VM_Exit::block_if_vm_exited(); |
| 5532 | |
| 5533 JNIWrapper("DetachCurrentThread"); | |
| 5534 | |
| 5535 // If the thread has been deattacted the operations is a no-op | |
| 5536 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5537 #ifndef USDT2 |
| 0 | 5538 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5539 #else /* USDT2 */ |
| 5540 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5541 JNI_OK); | |
| 5542 #endif /* USDT2 */ | |
| 0 | 5543 return JNI_OK; |
| 5544 } | |
| 5545 | |
| 5546 JavaThread* thread = JavaThread::current(); | |
| 5547 if (thread->has_last_Java_frame()) { | |
| 4006 | 5548 #ifndef USDT2 |
| 0 | 5549 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5550 #else /* USDT2 */ |
| 5551 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5552 (uint32_t) JNI_ERR); | |
| 5553 #endif /* USDT2 */ | |
| 0 | 5554 // Can't detach a thread that's running java, that can't work. |
| 5555 return JNI_ERR; | |
| 5556 } | |
| 5557 | |
| 5558 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5559 // middel of a safepoint operation | |
| 5560 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5561 | |
| 5562 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5563 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5564 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5565 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5566 // the removal of the guards is buried below in JavaThread::exit() | |
| 5567 // here. The abstraction should be more symmetrically either exposed | |
| 5568 // or hidden (e.g. it could probably be hidden in the same | |
| 5569 // (platform-dependent) methods where we do alternate stack | |
| 5570 // maintenance work?) | |
| 5571 thread->exit(false, JavaThread::jni_detach); | |
| 5572 delete thread; | |
| 5573 | |
| 4006 | 5574 #ifndef USDT2 |
| 0 | 5575 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5576 #else /* USDT2 */ |
| 5577 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5578 JNI_OK); | |
| 5579 #endif /* USDT2 */ | |
| 0 | 5580 return JNI_OK; |
| 5581 } | |
| 5582 | |
| 4006 | 5583 #ifndef USDT2 |
| 0 | 5584 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5585 #else /* USDT2 */ |
| 5586 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5587 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5588 #endif /* USDT2 */ | |
| 0 | 5589 |
| 5590 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5591 #ifndef USDT2 |
| 0 | 5592 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5593 #else /* USDT2 */ |
| 5594 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5595 vm, penv, version); | |
| 5596 #endif /* USDT2 */ | |
| 0 | 5597 jint ret = JNI_ERR; |
| 5598 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5599 | |
| 5600 if (!vm_created) { | |
| 5601 *penv = NULL; | |
| 5602 ret = JNI_EDETACHED; | |
| 5603 return ret; | |
| 5604 } | |
| 5605 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5606 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5607 return ret; |
| 5608 } | |
| 5609 | |
| 5610 #ifndef JVMPI_VERSION_1 | |
| 5611 // need these in order to be polite about older agents | |
| 5612 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5613 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5614 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5615 #endif // !JVMPI_VERSION_1 | |
| 5616 | |
| 5617 Thread* thread = ThreadLocalStorage::thread(); | |
| 5618 if (thread != NULL && thread->is_Java_thread()) { | |
| 5619 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5620 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5621 ret = JNI_OK; | |
| 5622 return ret; | |
| 5623 | |
| 5624 } else if (version == JVMPI_VERSION_1 || | |
| 5625 version == JVMPI_VERSION_1_1 || | |
| 5626 version == JVMPI_VERSION_1_2) { | |
| 5627 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5628 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5629 ret = JNI_EVERSION; | |
| 5630 return ret; | |
| 5631 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5632 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5633 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5634 ret = JNI_EVERSION; | |
| 5635 return ret; | |
| 5636 } else { | |
| 5637 *penv = NULL; | |
| 5638 ret = JNI_EVERSION; | |
| 5639 return ret; | |
| 5640 } | |
| 5641 } else { | |
| 5642 *penv = NULL; | |
| 5643 ret = JNI_EDETACHED; | |
| 5644 return ret; | |
| 5645 } | |
| 5646 } | |
| 5647 | |
| 5648 | |
| 5649 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5650 #ifndef USDT2 |
| 0 | 5651 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5652 #else /* USDT2 */ |
| 5653 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5654 vm, penv, _args); | |
| 5655 #endif /* USDT2 */ | |
| 0 | 5656 if (!vm_created) { |
| 4006 | 5657 #ifndef USDT2 |
| 0 | 5658 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5659 #else /* USDT2 */ |
| 5660 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5661 (uint32_t) JNI_ERR); | |
| 5662 #endif /* USDT2 */ | |
| 0 | 5663 return JNI_ERR; |
| 5664 } | |
| 5665 | |
| 5666 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5667 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5668 #ifndef USDT2 |
| 0 | 5669 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5670 #else /* USDT2 */ |
| 5671 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5672 ret); | |
| 5673 #endif /* USDT2 */ | |
| 0 | 5674 return ret; |
| 5675 } | |
| 5676 | |
| 5677 | |
| 5678 } // End extern "C" | |
| 5679 | |
| 5680 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5681 NULL, | |
| 5682 NULL, | |
| 5683 NULL, | |
| 5684 | |
| 5685 jni_DestroyJavaVM, | |
| 5686 jni_AttachCurrentThread, | |
| 5687 jni_DetachCurrentThread, | |
| 5688 jni_GetEnv, | |
| 5689 jni_AttachCurrentThreadAsDaemon | |
| 5690 }; |