Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 8793:499ccc15bbc8
8005716: Enhance JNI specification to allow support of static JNI libraries in Embedded JREs
Reviewed-by: dlong, alanb, mduigou
| author | bpittore |
|---|---|
| date | Fri, 15 Mar 2013 15:20:40 -0400 |
| parents | db9981fd3124 |
| children | b9a918201d47 cc32ccaaf47f |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright (c) 2012 Red Hat, Inc. |
| 0 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
| 0 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
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27 #include "ci/ciReplay.hpp" |
| 6162 | 28 #include "classfile/altHashing.hpp" |
| 1972 | 29 #include "classfile/classLoader.hpp" |
| 30 #include "classfile/javaClasses.hpp" | |
| 31 #include "classfile/symbolTable.hpp" | |
| 32 #include "classfile/systemDictionary.hpp" | |
| 33 #include "classfile/vmSymbols.hpp" | |
| 34 #include "interpreter/linkResolver.hpp" | |
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35 #include "utilities/macros.hpp" |
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36 #if INCLUDE_ALL_GCS |
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37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
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38 #endif // INCLUDE_ALL_GCS |
| 6197 | 39 #include "memory/allocation.hpp" |
| 1972 | 40 #include "memory/allocation.inline.hpp" |
| 41 #include "memory/gcLocker.inline.hpp" | |
| 42 #include "memory/oopFactory.hpp" | |
| 43 #include "memory/universe.inline.hpp" | |
| 44 #include "oops/instanceKlass.hpp" | |
| 45 #include "oops/instanceOop.hpp" | |
| 46 #include "oops/markOop.hpp" | |
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47 #include "oops/method.hpp" |
| 1972 | 48 #include "oops/objArrayKlass.hpp" |
| 49 #include "oops/objArrayOop.hpp" | |
| 50 #include "oops/oop.inline.hpp" | |
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51 #include "oops/symbol.hpp" |
| 1972 | 52 #include "oops/typeArrayKlass.hpp" |
| 53 #include "oops/typeArrayOop.hpp" | |
| 54 #include "prims/jni.h" | |
| 55 #include "prims/jniCheck.hpp" | |
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56 #include "prims/jniExport.hpp" |
| 1972 | 57 #include "prims/jniFastGetField.hpp" |
| 58 #include "prims/jvm.h" | |
| 59 #include "prims/jvm_misc.hpp" | |
| 60 #include "prims/jvmtiExport.hpp" | |
| 61 #include "prims/jvmtiThreadState.hpp" | |
| 62 #include "runtime/compilationPolicy.hpp" | |
| 63 #include "runtime/fieldDescriptor.hpp" | |
| 64 #include "runtime/fprofiler.hpp" | |
| 65 #include "runtime/handles.inline.hpp" | |
| 66 #include "runtime/interfaceSupport.hpp" | |
| 67 #include "runtime/java.hpp" | |
| 68 #include "runtime/javaCalls.hpp" | |
| 69 #include "runtime/jfieldIDWorkaround.hpp" | |
| 70 #include "runtime/reflection.hpp" | |
| 71 #include "runtime/sharedRuntime.hpp" | |
| 72 #include "runtime/signature.hpp" | |
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73 #include "runtime/thread.inline.hpp" |
| 1972 | 74 #include "runtime/vm_operations.hpp" |
| 75 #include "services/runtimeService.hpp" | |
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76 #include "trace/tracing.hpp" |
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77 #include "trace/traceEventTypes.hpp" |
| 1972 | 78 #include "utilities/defaultStream.hpp" |
| 79 #include "utilities/dtrace.hpp" | |
| 80 #include "utilities/events.hpp" | |
| 81 #include "utilities/histogram.hpp" | |
| 82 #ifdef TARGET_OS_FAMILY_linux | |
| 83 # include "os_linux.inline.hpp" | |
| 84 #endif | |
| 85 #ifdef TARGET_OS_FAMILY_solaris | |
| 86 # include "os_solaris.inline.hpp" | |
| 87 #endif | |
| 88 #ifdef TARGET_OS_FAMILY_windows | |
| 89 # include "os_windows.inline.hpp" | |
| 90 #endif | |
| 3960 | 91 #ifdef TARGET_OS_FAMILY_bsd |
| 92 # include "os_bsd.inline.hpp" | |
| 93 #endif | |
| 0 | 94 |
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95 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 96 |
| 97 | |
| 98 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 99 // '-return' probe regardless of the return path is taken out of the function. | |
| 100 // Methods that have multiple return paths use this to avoid having to | |
| 101 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 102 // since those macros can cause an immedate uninstrumented return. | |
| 103 // | |
| 104 // In order to get the return value, a reference to the variable containing | |
| 105 // the return value must be passed to the contructor of the object, and | |
| 106 // the return value must be set before return (since the mark object has | |
| 107 // a reference to it). | |
| 108 // | |
| 109 // Example: | |
| 110 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 111 // JNI_ENTRY(int, SomeFunc, ...) | |
| 112 // int return_value = 0; | |
| 113 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 114 // foo(CHECK_0) | |
| 115 // return_value = 5; | |
| 116 // return return_value; | |
| 117 // JNI_END | |
| 4006 | 118 #ifndef USDT2 |
| 0 | 119 #define DT_RETURN_MARK_DECL(name, type) \ |
| 120 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 121 DTRACE_ONLY( \ | |
| 122 class DTraceReturnProbeMark_##name { \ | |
| 123 public: \ | |
| 124 const type& _ret_ref; \ | |
| 125 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 126 ~DTraceReturnProbeMark_##name() { \ | |
| 127 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 128 } \ | |
| 129 } \ | |
| 130 ) | |
| 131 // Void functions are simpler since there's no return value | |
| 132 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 133 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 134 DTRACE_ONLY( \ | |
| 135 class DTraceReturnProbeMark_##name { \ | |
| 136 public: \ | |
| 137 ~DTraceReturnProbeMark_##name() { \ | |
| 138 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 139 } \ | |
| 140 } \ | |
| 141 ) | |
| 142 | |
| 4006 | 143 #else /* USDT2 */ |
| 144 | |
| 145 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 146 DTRACE_ONLY( \ | |
| 147 class DTraceReturnProbeMark_##name { \ | |
| 148 public: \ | |
| 149 const type& _ret_ref; \ | |
| 150 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 151 ~DTraceReturnProbeMark_##name() { \ | |
| 152 probe; \ | |
| 153 } \ | |
| 154 } \ | |
| 155 ) | |
| 156 // Void functions are simpler since there's no return value | |
| 157 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 158 DTRACE_ONLY( \ | |
| 159 class DTraceReturnProbeMark_##name { \ | |
| 160 public: \ | |
| 161 ~DTraceReturnProbeMark_##name() { \ | |
| 162 probe; \ | |
| 163 } \ | |
| 164 } \ | |
| 165 ) | |
| 166 #endif /* USDT2 */ | |
| 0 | 167 |
| 168 // Place these macros in the function to mark the return. Non-void | |
| 169 // functions need the type and address of the return value. | |
| 170 #define DT_RETURN_MARK(name, type, ref) \ | |
| 171 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 172 #define DT_VOID_RETURN_MARK(name) \ | |
| 173 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 174 | |
| 175 | |
| 176 // Use these to select distinct code for floating-point vs. non-floating point | |
| 177 // situations. Used from within common macros where we need slightly | |
| 178 // different behavior for Float/Double | |
| 179 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 180 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 181 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 182 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 183 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 187 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 188 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 189 FP_SELECT_##TypeName(intcode, fpcode) | |
| 190 | |
| 191 #define COMMA , | |
| 192 | |
| 193 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 194 // (dtrace doesn't do FP yet) | |
| 4006 | 195 #ifndef USDT2 |
| 0 | 196 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 197 FP_SELECT(TypeName, \ | |
| 198 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 199 #else /* USDT2 */ |
| 200 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 201 FP_SELECT(TypeName, \ | |
| 202 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 203 #endif /* USDT2 */ | |
| 0 | 204 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 205 FP_SELECT(TypeName, \ | |
| 206 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 207 | |
| 208 | |
| 209 // out-of-line helpers for class jfieldIDWorkaround: | |
| 210 | |
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211 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 212 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 213 uintptr_t as_uint = (uintptr_t) id; | |
| 214 intptr_t offset = raw_instance_offset(id); | |
| 215 if (is_checked_jfieldID(id)) { | |
| 216 if (!klass_hash_ok(k, id)) { | |
| 217 return false; | |
| 218 } | |
| 219 } | |
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220 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 221 } else { |
| 222 JNIid* result = (JNIid*) id; | |
| 223 #ifdef ASSERT | |
| 224 return result != NULL && result->is_static_field_id(); | |
| 225 #else | |
| 226 return result != NULL; | |
| 227 #endif | |
| 228 } | |
| 229 } | |
| 230 | |
| 231 | |
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232 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 233 if (offset <= small_offset_mask) { |
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234 Klass* field_klass = k; |
| 6983 | 235 Klass* super_klass = field_klass->super(); |
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236 // With compressed oops the most super class with nonstatic fields would |
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237 // be the owner of fields embedded in the header. |
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238 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
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239 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 240 field_klass = super_klass; // super contains the field also |
| 6983 | 241 super_klass = field_klass->super(); |
| 0 | 242 } |
| 243 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 244 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 245 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 246 } else { | |
| 247 #if 0 | |
| 248 #ifndef PRODUCT | |
| 249 { | |
| 250 ResourceMark rm; | |
| 6983 | 251 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 252 } |
| 253 #endif | |
| 254 #endif | |
| 255 return 0; | |
| 256 } | |
| 257 } | |
| 258 | |
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259 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 260 uintptr_t as_uint = (uintptr_t) id; |
| 261 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 262 do { | |
| 263 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 264 // Could use a non-blocking query for identity_hash here... | |
| 265 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 266 return true; | |
| 6983 | 267 k = k->super(); |
| 0 | 268 } while (k != NULL); |
| 269 return false; | |
| 270 } | |
| 271 | |
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272 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 273 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 274 uintptr_t as_uint = (uintptr_t) id; | |
| 275 intptr_t offset = raw_instance_offset(id); | |
| 276 if (VerifyJNIFields) { | |
| 277 if (is_checked_jfieldID(id)) { | |
| 278 guarantee(klass_hash_ok(k, id), | |
| 279 "Bug in native code: jfieldID class must match object"); | |
| 280 } else { | |
| 281 #if 0 | |
| 282 #ifndef PRODUCT | |
| 283 if (Verbose) { | |
| 284 ResourceMark rm; | |
| 6983 | 285 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 286 } |
| 287 #endif | |
| 288 #endif | |
| 289 } | |
| 290 } | |
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291 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 292 "Bug in native code: jfieldID offset must address interior of object"); |
| 293 } | |
| 294 | |
| 295 // Pick a reasonable higher bound for local capacity requested | |
| 296 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 297 // high because a test (or very unusual application) may try to allocate | |
| 298 // that many handles and run out of swap space. An implementation is | |
| 299 // permitted to allocate more handles than the ensured capacity, so this | |
| 300 // value is set high enough to prevent compatibility problems. | |
| 301 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 302 | |
| 303 | |
| 304 // Wrapper to trace JNI functions | |
| 305 | |
| 306 #ifdef ASSERT | |
| 307 Histogram* JNIHistogram; | |
| 308 static volatile jint JNIHistogram_lock = 0; | |
| 309 | |
| 310 class JNITraceWrapper : public StackObj { | |
| 311 public: | |
| 312 JNITraceWrapper(const char* format, ...) { | |
| 313 if (TraceJNICalls) { | |
| 314 va_list ap; | |
| 315 va_start(ap, format); | |
| 316 tty->print("JNI "); | |
| 317 tty->vprint_cr(format, ap); | |
| 318 va_end(ap); | |
| 319 } | |
| 320 } | |
| 321 }; | |
| 322 | |
| 323 class JNIHistogramElement : public HistogramElement { | |
| 324 public: | |
| 325 JNIHistogramElement(const char* name); | |
| 326 }; | |
| 327 | |
| 328 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 329 _name = elementName; | |
| 330 uintx count = 0; | |
| 331 | |
| 332 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 333 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 334 count +=1; | |
| 335 if ( (WarnOnStalledSpinLock > 0) | |
| 336 && (count % WarnOnStalledSpinLock == 0)) { | |
| 337 warning("JNIHistogram_lock seems to be stalled"); | |
| 338 } | |
| 339 } | |
| 340 } | |
| 341 | |
| 342 | |
| 343 if(JNIHistogram == NULL) | |
| 344 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 345 | |
| 346 JNIHistogram->add_element(this); | |
| 347 Atomic::dec(&JNIHistogram_lock); | |
| 348 } | |
| 349 | |
| 350 #define JNICountWrapper(arg) \ | |
| 351 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 352 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 353 if (e != NULL) e->increment_count() | |
| 354 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 355 #else | |
| 356 #define JNIWrapper(arg) | |
| 357 #endif | |
| 358 | |
| 359 | |
| 360 // Implementation of JNI entries | |
| 361 | |
| 4006 | 362 #ifndef USDT2 |
| 0 | 363 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 364 #else /* USDT2 */ |
| 365 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 366 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 367 #endif /* USDT2 */ | |
| 0 | 368 |
| 369 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 370 const jbyte *buf, jsize bufLen)) | |
| 371 JNIWrapper("DefineClass"); | |
| 372 | |
| 4006 | 373 #ifndef USDT2 |
| 0 | 374 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 375 env, name, loaderRef, buf, bufLen); | |
| 4006 | 376 #else /* USDT2 */ |
| 377 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 378 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 379 #endif /* USDT2 */ | |
| 0 | 380 jclass cls = NULL; |
| 381 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 382 | |
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383 TempNewSymbol class_name = NULL; |
| 0 | 384 // Since exceptions can be thrown, class initialization can take place |
| 385 // if name is NULL no check for class name in .class stream has to be made. | |
| 386 if (name != NULL) { | |
| 387 const int str_len = (int)strlen(name); | |
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388 if (str_len > Symbol::max_length()) { |
| 0 | 389 // It's impossible to create this class; the name cannot fit |
| 390 // into the constant pool. | |
| 391 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 392 } | |
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393 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 394 } |
| 395 ResourceMark rm(THREAD); | |
| 396 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 397 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 398 | |
| 399 if (UsePerfData && !class_loader.is_null()) { | |
| 400 // check whether the current caller thread holds the lock or not. | |
| 401 // If not, increment the corresponding counter | |
| 402 if (ObjectSynchronizer:: | |
| 403 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 404 ObjectSynchronizer::owner_self) { | |
| 405 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 406 } | |
| 407 } | |
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408 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
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409 Handle(), &st, true, |
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410 CHECK_NULL); |
| 0 | 411 |
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412 if (TraceClassResolution && k != NULL) { |
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413 trace_class_resolution(k); |
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414 } |
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415 |
| 0 | 416 cls = (jclass)JNIHandles::make_local( |
| 6983 | 417 env, k->java_mirror()); |
| 0 | 418 return cls; |
| 419 JNI_END | |
| 420 | |
| 421 | |
| 422 | |
| 423 static bool first_time_FindClass = true; | |
| 424 | |
| 4006 | 425 #ifndef USDT2 |
| 0 | 426 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 427 #else /* USDT2 */ |
| 428 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 429 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 430 #endif /* USDT2 */ | |
| 0 | 431 |
| 432 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 433 JNIWrapper("FindClass"); | |
| 4006 | 434 #ifndef USDT2 |
| 0 | 435 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 436 #else /* USDT2 */ |
| 437 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 438 env, (char *)name); | |
| 439 #endif /* USDT2 */ | |
| 0 | 440 |
| 441 jclass result = NULL; | |
| 442 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 443 | |
| 444 // Remember if we are the first invocation of jni_FindClass | |
| 445 bool first_time = first_time_FindClass; | |
| 446 first_time_FindClass = false; | |
| 447 | |
| 448 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 449 // name we can fit in the constant pool. | |
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450 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 451 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 452 } | |
| 453 | |
| 454 //%note jni_3 | |
| 455 Handle loader; | |
| 456 Handle protection_domain; | |
| 457 // Find calling class | |
| 458 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 459 if (k.not_null()) { | |
| 460 loader = Handle(THREAD, k->class_loader()); | |
| 461 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 462 // in the correct class context. | |
| 463 if (loader.is_null() && | |
| 464 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 465 JavaValue result(T_OBJECT); | |
| 466 JavaCalls::call_static(&result, k, | |
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467 vmSymbols::getFromClass_name(), |
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468 vmSymbols::void_class_signature(), |
| 0 | 469 thread); |
| 470 if (HAS_PENDING_EXCEPTION) { | |
| 471 Handle ex(thread, thread->pending_exception()); | |
| 472 CLEAR_PENDING_EXCEPTION; | |
| 473 THROW_HANDLE_0(ex); | |
| 474 } | |
| 475 oop mirror = (oop) result.get_jobject(); | |
| 476 loader = Handle(THREAD, | |
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477 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 478 protection_domain = Handle(THREAD, |
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479 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 480 } |
| 481 } else { | |
| 482 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 483 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 484 } | |
| 485 | |
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486 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 487 result = find_class_from_class_loader(env, sym, true, loader, |
| 488 protection_domain, true, thread); | |
| 489 | |
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490 if (TraceClassResolution && result != NULL) { |
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491 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
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492 } |
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493 |
| 0 | 494 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 495 // rather than just allowing invocation counter to overflow and decay. | |
| 496 // Controlled by flag DelayCompilationDuringStartup. | |
| 497 if (first_time && !CompileTheWorld) | |
| 498 CompilationPolicy::completed_vm_startup(); | |
| 499 | |
| 500 return result; | |
| 501 JNI_END | |
| 502 | |
| 4006 | 503 #ifndef USDT2 |
| 0 | 504 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 505 #else /* USDT2 */ |
| 506 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 507 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 508 #endif /* USDT2 */ | |
| 0 | 509 |
| 510 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 511 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 512 #ifndef USDT2 |
| 0 | 513 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 514 #else /* USDT2 */ |
| 515 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 516 env, method); | |
| 517 #endif /* USDT2 */ | |
| 0 | 518 jmethodID ret = NULL; |
| 519 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 520 | |
| 521 // method is a handle to a java.lang.reflect.Method object | |
| 522 oop reflected = JNIHandles::resolve_non_null(method); | |
| 523 oop mirror = NULL; | |
| 524 int slot = 0; | |
| 525 | |
| 1142 | 526 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 527 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 528 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 529 } else { | |
| 1142 | 530 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 531 mirror = java_lang_reflect_Method::clazz(reflected); |
| 532 slot = java_lang_reflect_Method::slot(reflected); | |
| 533 } | |
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534 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 535 |
| 536 KlassHandle k1(THREAD, k); | |
| 537 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 538 k1()->initialize(CHECK_NULL); |
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539 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 540 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 541 return ret; | |
| 542 JNI_END | |
| 543 | |
| 4006 | 544 #ifndef USDT2 |
| 0 | 545 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 546 #else /* USDT2 */ |
| 547 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 548 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 549 #endif /* USDT2 */ | |
| 0 | 550 |
| 551 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 552 JNIWrapper("FromReflectedField"); | |
| 4006 | 553 #ifndef USDT2 |
| 0 | 554 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 555 #else /* USDT2 */ |
| 556 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 557 env, field); | |
| 558 #endif /* USDT2 */ | |
| 0 | 559 jfieldID ret = NULL; |
| 560 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 561 | |
| 562 // field is a handle to a java.lang.reflect.Field object | |
| 563 oop reflected = JNIHandles::resolve_non_null(field); | |
| 564 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
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565 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 566 int slot = java_lang_reflect_Field::slot(reflected); |
| 567 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 568 | |
| 569 KlassHandle k1(THREAD, k); | |
| 570 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 571 k1()->initialize(CHECK_NULL); |
| 0 | 572 |
| 573 // First check if this is a static field | |
| 574 if (modifiers & JVM_ACC_STATIC) { | |
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575 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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576 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 577 assert(id != NULL, "corrupt Field object"); |
| 578 debug_only(id->set_is_static_field_id();) | |
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579 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 580 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 581 return ret; | |
| 582 } | |
| 583 | |
| 584 // The slot is the index of the field description in the field-array | |
| 585 // The jfieldID is the offset of the field within the object | |
| 586 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
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587 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
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588 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 589 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 590 return ret; | |
| 591 JNI_END | |
| 592 | |
| 4006 | 593 #ifndef USDT2 |
| 0 | 594 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 595 #else /* USDT2 */ |
| 596 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 597 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 598 #endif /* USDT2 */ | |
| 0 | 599 |
| 600 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 601 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 602 #ifndef USDT2 |
| 0 | 603 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 604 #else /* USDT2 */ |
| 605 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 606 env, cls, (uintptr_t) method_id, isStatic); | |
| 607 #endif /* USDT2 */ | |
| 0 | 608 jobject ret = NULL; |
| 609 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 610 | |
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611 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 612 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 613 oop reflection_method; | |
| 614 if (m->is_initializer()) { | |
| 615 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 616 } else { | |
| 617 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 618 } | |
| 619 ret = JNIHandles::make_local(env, reflection_method); | |
| 620 return ret; | |
| 621 JNI_END | |
| 622 | |
| 4006 | 623 #ifndef USDT2 |
| 0 | 624 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 625 #else /* USDT2 */ |
| 626 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 627 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 628 #endif /* USDT2 */ | |
| 0 | 629 |
| 630 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 631 JNIWrapper("GetSuperclass"); | |
| 4006 | 632 #ifndef USDT2 |
| 0 | 633 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 634 #else /* USDT2 */ |
| 635 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 636 env, sub); | |
| 637 #endif /* USDT2 */ | |
| 0 | 638 jclass obj = NULL; |
| 639 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 640 | |
| 641 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 642 // primitive classes return NULL | |
| 643 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 644 | |
| 645 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 646 // arrays return Object | |
| 647 // interfaces return NULL | |
| 648 // proper classes return Klass::super() | |
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649 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 650 if (k->is_interface()) return NULL; |
| 0 | 651 |
| 652 // return mirror for superclass | |
| 6983 | 653 Klass* super = k->java_super(); |
| 0 | 654 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 655 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 656 ? SystemDictionary::Object_klass() |
| 6983 | 657 : k->super() ) ); |
| 0 | 658 assert(super == super2, |
| 659 "java_super computation depends on interface, array, other super"); | |
| 6983 | 660 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 661 return obj; |
| 662 JNI_END | |
| 663 | |
| 664 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 665 JNIWrapper("IsSubclassOf"); | |
| 4006 | 666 #ifndef USDT2 |
| 0 | 667 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 668 #else /* USDT2 */ |
| 669 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 670 env, sub, super); | |
| 671 #endif /* USDT2 */ | |
| 0 | 672 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 673 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 674 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 675 java_lang_Class::is_primitive(super_mirror)) { | |
| 676 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 677 #ifndef USDT2 |
| 0 | 678 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 679 #else /* USDT2 */ |
| 680 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 681 ret); | |
| 682 #endif /* USDT2 */ | |
| 0 | 683 return ret; |
| 684 } | |
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685 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
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686 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 687 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 688 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 689 JNI_TRUE : JNI_FALSE; |
| 4006 | 690 #ifndef USDT2 |
| 0 | 691 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 692 #else /* USDT2 */ |
| 693 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 694 ret); | |
| 695 #endif /* USDT2 */ | |
| 0 | 696 return ret; |
| 697 JNI_END | |
| 698 | |
| 4006 | 699 #ifndef USDT2 |
| 0 | 700 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 701 #else /* USDT2 */ |
| 702 DT_RETURN_MARK_DECL(Throw, jint | |
| 703 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 704 #endif /* USDT2 */ | |
| 0 | 705 |
| 706 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 707 JNIWrapper("Throw"); | |
| 4006 | 708 #ifndef USDT2 |
| 0 | 709 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 710 #else /* USDT2 */ |
| 711 HOTSPOT_JNI_THROW_ENTRY( | |
| 712 env, obj); | |
| 713 #endif /* USDT2 */ | |
| 0 | 714 jint ret = JNI_OK; |
| 715 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 716 | |
| 717 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 718 ShouldNotReachHere(); | |
| 719 JNI_END | |
| 720 | |
| 4006 | 721 #ifndef USDT2 |
| 0 | 722 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 723 #else /* USDT2 */ |
| 724 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 725 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 726 #endif /* USDT2 */ | |
| 0 | 727 |
| 728 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 729 JNIWrapper("ThrowNew"); | |
| 4006 | 730 #ifndef USDT2 |
| 0 | 731 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 732 #else /* USDT2 */ |
| 733 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 734 env, clazz, (char *) message); | |
| 735 #endif /* USDT2 */ | |
| 0 | 736 jint ret = JNI_OK; |
| 737 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 738 | |
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739 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
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740 Symbol* name = k->name(); |
| 0 | 741 Handle class_loader (THREAD, k->class_loader()); |
| 742 Handle protection_domain (THREAD, k->protection_domain()); | |
| 743 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 744 ShouldNotReachHere(); | |
| 745 JNI_END | |
| 746 | |
| 747 | |
| 748 // JNI functions only transform a pending async exception to a synchronous | |
| 749 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 750 // delivering an async exception in other places won't change the native | |
| 751 // code's control flow and would be harmful when native code further calls | |
| 752 // JNI functions with a pending exception. Async exception is also checked | |
| 753 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 754 // false but deliver the async exception at the very end during | |
| 755 // state transition. | |
| 756 | |
| 757 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 758 assert(thread == Thread::current(), "must be itself"); | |
| 759 thread->check_and_handle_async_exceptions(); | |
| 760 } | |
| 761 | |
| 762 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 763 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 764 #ifndef USDT2 |
| 0 | 765 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 766 #else /* USDT2 */ |
| 767 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 768 env); | |
| 769 #endif /* USDT2 */ | |
| 0 | 770 jni_check_async_exceptions(thread); |
| 771 oop exception = thread->pending_exception(); | |
| 772 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 773 #ifndef USDT2 |
| 0 | 774 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 775 #else /* USDT2 */ |
| 776 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 777 ret); | |
| 778 #endif /* USDT2 */ | |
| 0 | 779 return ret; |
| 780 JNI_END | |
| 781 | |
| 782 | |
| 783 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 784 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 785 #ifndef USDT2 |
| 0 | 786 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 787 #else /* USDT2 */ |
| 788 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 789 env); | |
| 790 #endif /* USDT2 */ | |
| 0 | 791 if (thread->has_pending_exception()) { |
| 792 Handle ex(thread, thread->pending_exception()); | |
| 793 thread->clear_pending_exception(); | |
| 1142 | 794 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 795 // Don't print anything if we are being killed. |
| 796 } else { | |
| 797 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 798 if (thread != NULL && thread->threadObj() != NULL) { | |
| 799 ResourceMark rm(THREAD); | |
| 800 jio_fprintf(defaultStream::error_stream(), | |
| 801 "in thread \"%s\" ", thread->get_thread_name()); | |
| 802 } | |
| 1142 | 803 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 804 JavaValue result(T_VOID); |
| 805 JavaCalls::call_virtual(&result, | |
| 806 ex, | |
| 807 KlassHandle(THREAD, | |
| 1142 | 808 SystemDictionary::Throwable_klass()), |
|
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809 vmSymbols::printStackTrace_name(), |
|
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810 vmSymbols::void_method_signature(), |
| 0 | 811 THREAD); |
| 812 // If an exception is thrown in the call it gets thrown away. Not much | |
| 813 // we can do with it. The native code that calls this, does not check | |
| 814 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 815 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 816 // is expected. | |
| 817 CLEAR_PENDING_EXCEPTION; | |
| 818 } else { | |
| 819 ResourceMark rm(THREAD); | |
| 820 jio_fprintf(defaultStream::error_stream(), | |
| 821 ". Uncaught exception of type %s.", | |
| 6983 | 822 ex->klass()->external_name()); |
| 0 | 823 } |
| 824 } | |
| 825 } | |
| 4006 | 826 #ifndef USDT2 |
| 0 | 827 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 828 #else /* USDT2 */ |
| 829 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 830 ); | |
| 831 #endif /* USDT2 */ | |
| 0 | 832 JNI_END |
| 833 | |
| 834 | |
| 835 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 836 JNIWrapper("ExceptionClear"); | |
| 4006 | 837 #ifndef USDT2 |
| 0 | 838 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 839 #else /* USDT2 */ |
| 840 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 841 env); | |
| 842 #endif /* USDT2 */ | |
| 0 | 843 |
| 844 // The jni code might be using this API to clear java thrown exception. | |
| 845 // So just mark jvmti thread exception state as exception caught. | |
| 846 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 847 if (state != NULL && state->is_exception_detected()) { | |
| 848 state->set_exception_caught(); | |
| 849 } | |
| 850 thread->clear_pending_exception(); | |
| 4006 | 851 #ifndef USDT2 |
| 0 | 852 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 853 #else /* USDT2 */ |
| 854 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 855 ); | |
| 856 #endif /* USDT2 */ | |
| 0 | 857 JNI_END |
| 858 | |
| 859 | |
| 860 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 861 JNIWrapper("FatalError"); | |
| 4006 | 862 #ifndef USDT2 |
| 0 | 863 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 864 #else /* USDT2 */ |
| 865 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 866 env, (char *) msg); | |
| 867 #endif /* USDT2 */ | |
| 0 | 868 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 869 thread->print_stack(); | |
|
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870 os::abort(); // Dump core and abort |
| 0 | 871 JNI_END |
| 872 | |
| 873 | |
| 874 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 875 JNIWrapper("PushLocalFrame"); | |
| 4006 | 876 #ifndef USDT2 |
| 0 | 877 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 878 #else /* USDT2 */ |
| 879 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 880 env, capacity); | |
| 881 #endif /* USDT2 */ | |
| 0 | 882 //%note jni_11 |
| 883 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 884 #ifndef USDT2 |
| 0 | 885 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 886 #else /* USDT2 */ |
| 887 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 888 (uint32_t)JNI_ERR); | |
| 889 #endif /* USDT2 */ | |
| 0 | 890 return JNI_ERR; |
| 891 } | |
| 892 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 893 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 894 assert(new_handles != NULL, "should not be NULL"); | |
| 895 new_handles->set_pop_frame_link(old_handles); | |
| 896 thread->set_active_handles(new_handles); | |
| 897 jint ret = JNI_OK; | |
| 4006 | 898 #ifndef USDT2 |
| 0 | 899 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 900 #else /* USDT2 */ |
| 901 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 902 ret); | |
| 903 #endif /* USDT2 */ | |
| 0 | 904 return ret; |
| 905 JNI_END | |
| 906 | |
| 907 | |
| 908 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 909 JNIWrapper("PopLocalFrame"); | |
| 4006 | 910 #ifndef USDT2 |
| 0 | 911 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 912 #else /* USDT2 */ |
| 913 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 914 env, result); | |
| 915 #endif /* USDT2 */ | |
| 0 | 916 //%note jni_11 |
| 917 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 918 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 919 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 920 if (new_handles != NULL) { | |
| 921 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 922 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 923 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 924 // the release_block call will release the blocks. | |
| 925 thread->set_active_handles(new_handles); | |
| 926 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 927 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 928 result = JNIHandles::make_local(thread, result_handle()); | |
| 929 } | |
| 4006 | 930 #ifndef USDT2 |
| 0 | 931 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 932 #else /* USDT2 */ |
| 933 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 934 result); | |
| 935 #endif /* USDT2 */ | |
| 0 | 936 return result; |
| 937 JNI_END | |
| 938 | |
| 939 | |
| 940 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 941 JNIWrapper("NewGlobalRef"); | |
| 4006 | 942 #ifndef USDT2 |
| 0 | 943 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 944 #else /* USDT2 */ |
| 945 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 946 env, ref); | |
| 947 #endif /* USDT2 */ | |
| 0 | 948 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 949 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 950 #ifndef USDT2 |
| 0 | 951 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 952 #else /* USDT2 */ |
| 953 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 954 ret); | |
| 955 #endif /* USDT2 */ | |
| 0 | 956 return ret; |
| 957 JNI_END | |
| 958 | |
| 959 // Must be JNI_ENTRY (with HandleMark) | |
| 960 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 961 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 962 #ifndef USDT2 |
| 0 | 963 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 964 #else /* USDT2 */ |
| 965 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 966 env, ref); | |
| 967 #endif /* USDT2 */ | |
| 0 | 968 JNIHandles::destroy_global(ref); |
| 4006 | 969 #ifndef USDT2 |
| 0 | 970 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 971 #else /* USDT2 */ |
| 972 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 973 ); | |
| 974 #endif /* USDT2 */ | |
| 0 | 975 JNI_END |
| 976 | |
| 977 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 978 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 979 #ifndef USDT2 |
| 0 | 980 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 981 #else /* USDT2 */ |
| 982 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 983 env, obj); | |
| 984 #endif /* USDT2 */ | |
| 0 | 985 JNIHandles::destroy_local(obj); |
| 4006 | 986 #ifndef USDT2 |
| 0 | 987 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 988 #else /* USDT2 */ |
| 989 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 990 ); | |
| 991 #endif /* USDT2 */ | |
| 0 | 992 JNI_END |
| 993 | |
| 994 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 995 JNIWrapper("IsSameObject"); | |
| 4006 | 996 #ifndef USDT2 |
| 0 | 997 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 998 #else /* USDT2 */ |
| 999 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 1000 env, r1, r2); | |
| 1001 #endif /* USDT2 */ | |
| 0 | 1002 oop a = JNIHandles::resolve(r1); |
| 1003 oop b = JNIHandles::resolve(r2); | |
| 1004 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1005 #ifndef USDT2 |
| 0 | 1006 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1007 #else /* USDT2 */ |
| 1008 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1009 ret); | |
| 1010 #endif /* USDT2 */ | |
| 0 | 1011 return ret; |
| 1012 JNI_END | |
| 1013 | |
| 1014 | |
| 1015 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1016 JNIWrapper("NewLocalRef"); | |
| 4006 | 1017 #ifndef USDT2 |
| 0 | 1018 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1019 #else /* USDT2 */ |
| 1020 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1021 env, ref); | |
| 1022 #endif /* USDT2 */ | |
| 0 | 1023 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1024 #ifndef USDT2 |
| 0 | 1025 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1026 #else /* USDT2 */ |
| 1027 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1028 ret); | |
| 1029 #endif /* USDT2 */ | |
| 0 | 1030 return ret; |
| 1031 JNI_END | |
| 1032 | |
| 1033 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1034 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1035 #ifndef USDT2 |
| 0 | 1036 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1037 #else /* USDT2 */ |
| 1038 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1039 env, capacity); | |
| 1040 #endif /* USDT2 */ | |
| 0 | 1041 jint ret; |
| 1042 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1043 ret = JNI_OK; | |
| 1044 } else { | |
| 1045 ret = JNI_ERR; | |
| 1046 } | |
| 4006 | 1047 #ifndef USDT2 |
| 0 | 1048 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1049 #else /* USDT2 */ |
| 1050 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1051 ret); | |
| 1052 #endif /* USDT2 */ | |
| 0 | 1053 return ret; |
| 1054 JNI_END | |
| 1055 | |
| 1056 // Return the Handle Type | |
| 1057 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1058 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1059 #ifndef USDT2 |
| 0 | 1060 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1061 #else /* USDT2 */ |
| 1062 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1063 env, obj); | |
| 1064 #endif /* USDT2 */ | |
| 0 | 1065 jobjectRefType ret; |
| 1066 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1067 JNIHandles::is_frame_handle(thread, obj)) | |
| 1068 ret = JNILocalRefType; | |
| 1069 else if (JNIHandles::is_global_handle(obj)) | |
| 1070 ret = JNIGlobalRefType; | |
| 1071 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1072 ret = JNIWeakGlobalRefType; | |
| 1073 else | |
| 1074 ret = JNIInvalidRefType; | |
| 4006 | 1075 #ifndef USDT2 |
| 0 | 1076 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1077 #else /* USDT2 */ |
| 1078 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1079 (void *) ret); | |
| 1080 #endif /* USDT2 */ | |
| 0 | 1081 return ret; |
| 1082 JNI_END | |
| 1083 | |
| 1084 | |
| 1085 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1086 protected: | |
| 1087 JavaCallArguments* _arguments; | |
| 1088 | |
| 1089 virtual void get_bool () = 0; | |
| 1090 virtual void get_char () = 0; | |
| 1091 virtual void get_short () = 0; | |
| 1092 virtual void get_byte () = 0; | |
| 1093 virtual void get_int () = 0; | |
| 1094 virtual void get_long () = 0; | |
| 1095 virtual void get_float () = 0; | |
| 1096 virtual void get_double () = 0; | |
| 1097 virtual void get_object () = 0; | |
| 1098 | |
|
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1099 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1100 this->_return_type = T_ILLEGAL; |
| 1101 _arguments = NULL; | |
| 1102 } | |
| 1103 | |
| 1104 public: | |
| 1105 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1106 | |
| 1107 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1108 | |
| 1109 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1110 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1111 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1112 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1113 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1114 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1115 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1116 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1117 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1118 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1119 inline void do_void() { } | |
| 1120 | |
| 1121 JavaCallArguments* arguments() { return _arguments; } | |
| 1122 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1123 }; | |
| 1124 | |
| 1125 | |
| 1126 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1127 protected: | |
| 1128 va_list _ap; | |
| 1129 | |
| 1130 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1131 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1132 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1133 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1134 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1135 | |
| 1136 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1137 | |
| 1138 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1139 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1140 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1141 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1142 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1143 | |
| 1144 inline void set_ap(va_list rap) { | |
| 1145 #ifdef va_copy | |
| 1146 va_copy(_ap, rap); | |
| 1147 #elif defined (__va_copy) | |
| 1148 __va_copy(_ap, rap); | |
| 1149 #else | |
| 1150 _ap = rap; | |
| 1151 #endif | |
| 1152 } | |
| 1153 | |
| 1154 public: | |
|
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1155 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
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1156 : JNI_ArgumentPusher(signature) { |
| 0 | 1157 set_ap(rap); |
| 1158 } | |
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1159 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
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1160 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1161 set_ap(rap); |
| 1162 } | |
| 1163 | |
| 1164 // Optimized path if we have the bitvector form of signature | |
| 1165 void iterate( uint64_t fingerprint ) { | |
| 1166 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1167 else { | |
| 1168 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1169 result_feature_mask); | |
| 1170 | |
| 1171 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1172 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1173 while ( 1 ) { | |
| 1174 switch ( fingerprint & parameter_feature_mask ) { | |
| 1175 case bool_parm: | |
| 1176 case char_parm: | |
| 1177 case short_parm: | |
| 1178 case byte_parm: | |
| 1179 case int_parm: | |
| 1180 get_int(); | |
| 1181 break; | |
| 1182 case obj_parm: | |
| 1183 get_object(); | |
| 1184 break; | |
| 1185 case long_parm: | |
| 1186 get_long(); | |
| 1187 break; | |
| 1188 case float_parm: | |
| 1189 get_float(); | |
| 1190 break; | |
| 1191 case double_parm: | |
| 1192 get_double(); | |
| 1193 break; | |
| 1194 case done_parm: | |
| 1195 return; | |
| 1196 break; | |
| 1197 default: | |
| 1198 ShouldNotReachHere(); | |
| 1199 break; | |
| 1200 } | |
| 1201 fingerprint >>= parameter_feature_size; | |
| 1202 } | |
| 1203 } | |
| 1204 } | |
| 1205 }; | |
| 1206 | |
| 1207 | |
| 1208 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1209 protected: | |
| 1210 const jvalue *_ap; | |
| 1211 | |
| 1212 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1213 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1214 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1215 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1216 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1217 | |
| 1218 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1219 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1220 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1221 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1222 | |
| 1223 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1224 | |
| 1225 public: | |
|
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1226 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
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1227 : JNI_ArgumentPusher(signature) { |
| 0 | 1228 set_ap(rap); |
| 1229 } | |
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1230 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
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1231 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1232 set_ap(rap); |
| 1233 } | |
| 1234 | |
| 1235 // Optimized path if we have the bitvector form of signature | |
| 1236 void iterate( uint64_t fingerprint ) { | |
| 1237 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1238 else { | |
| 1239 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1240 result_feature_mask); | |
| 1241 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1242 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1243 while ( 1 ) { | |
| 1244 switch ( fingerprint & parameter_feature_mask ) { | |
| 1245 case bool_parm: | |
| 1246 get_bool(); | |
| 1247 break; | |
| 1248 case char_parm: | |
| 1249 get_char(); | |
| 1250 break; | |
| 1251 case short_parm: | |
| 1252 get_short(); | |
| 1253 break; | |
| 1254 case byte_parm: | |
| 1255 get_byte(); | |
| 1256 break; | |
| 1257 case int_parm: | |
| 1258 get_int(); | |
| 1259 break; | |
| 1260 case obj_parm: | |
| 1261 get_object(); | |
| 1262 break; | |
| 1263 case long_parm: | |
| 1264 get_long(); | |
| 1265 break; | |
| 1266 case float_parm: | |
| 1267 get_float(); | |
| 1268 break; | |
| 1269 case double_parm: | |
| 1270 get_double(); | |
| 1271 break; | |
| 1272 case done_parm: | |
| 1273 return; | |
| 1274 break; | |
| 1275 default: | |
| 1276 ShouldNotReachHere(); | |
| 1277 break; | |
| 1278 } | |
| 1279 fingerprint >>= parameter_feature_size; | |
| 1280 } | |
| 1281 } | |
| 1282 } | |
| 1283 }; | |
| 1284 | |
| 1285 | |
| 1286 enum JNICallType { | |
| 1287 JNI_STATIC, | |
| 1288 JNI_VIRTUAL, | |
| 1289 JNI_NONVIRTUAL | |
| 1290 }; | |
| 1291 | |
| 1292 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
| 1293 assert(!method.is_null() , "method should not be null"); | |
| 1294 | |
| 1295 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1296 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1297 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1298 Symbol* name = method->name(); |
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1299 Symbol* signature = method->signature(); |
| 0 | 1300 CallInfo info; |
| 1301 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1302 return info.selected_method(); | |
| 1303 } | |
| 1304 | |
| 1305 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
| 1306 assert(!method.is_null() , "method should not be null"); | |
| 1307 | |
| 1308 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1309 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1310 KlassHandle spec_klass (THREAD, method->method_holder()); | |
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1311 Symbol* name = method->name(); |
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1312 Symbol* signature = method->signature(); |
| 0 | 1313 CallInfo info; |
| 1314 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1315 return info.selected_method(); | |
| 1316 } | |
| 1317 | |
| 1318 | |
| 1319 | |
| 1320 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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1321 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1322 |
| 1323 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1324 // the jni parser | |
| 1325 ResourceMark rm(THREAD); | |
| 1326 int number_of_parameters = method->size_of_parameters(); | |
| 1327 JavaCallArguments java_args(number_of_parameters); | |
| 1328 args->set_java_argument_object(&java_args); | |
| 1329 | |
| 1330 assert(method->is_static(), "method should be static"); | |
| 1331 | |
| 1332 // Fill out JavaCallArguments object | |
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1333 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1334 // Initialize result type |
| 1335 result->set_type(args->get_ret_type()); | |
| 1336 | |
| 1337 // Invoke the method. Result is returned as oop. | |
| 1338 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1339 | |
| 1340 // Convert result | |
| 1341 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1342 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1343 } | |
| 1344 } | |
| 1345 | |
| 1346 | |
| 1347 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1348 oop recv = JNIHandles::resolve(receiver); | |
| 1349 if (recv == NULL) { | |
| 1350 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1351 } | |
| 1352 Handle h_recv(THREAD, recv); | |
| 1353 | |
| 1354 int number_of_parameters; | |
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1355 Method* selected_method; |
| 0 | 1356 { |
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1357 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1358 number_of_parameters = m->size_of_parameters(); |
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1359 Klass* holder = m->method_holder(); |
| 6983 | 1360 if (!(holder)->is_interface()) { |
| 0 | 1361 // non-interface call -- for that little speed boost, don't handlize |
| 1362 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1363 if (call_type == JNI_VIRTUAL) { | |
| 1364 // jni_GetMethodID makes sure class is linked and initialized | |
| 1365 // so m should have a valid vtable index. | |
| 1366 int vtbl_index = m->vtable_index(); | |
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1367 if (vtbl_index != Method::nonvirtual_vtable_index) { |
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1368 Klass* k = h_recv->klass(); |
| 0 | 1369 // k might be an arrayKlassOop but all vtables start at |
| 1370 // the same place. The cast is to avoid virtual call and assertion. | |
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1371 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1372 selected_method = ik->method_at_vtable(vtbl_index); |
| 1373 } else { | |
| 1374 // final method | |
| 1375 selected_method = m; | |
| 1376 } | |
| 1377 } else { | |
| 1378 // JNI_NONVIRTUAL call | |
| 1379 selected_method = m; | |
| 1380 } | |
| 1381 } else { | |
| 1382 // interface call | |
| 1383 KlassHandle h_holder(THREAD, holder); | |
| 1384 | |
| 1385 int itbl_index = m->cached_itable_index(); | |
| 1386 if (itbl_index == -1) { | |
| 1387 itbl_index = klassItable::compute_itable_index(m); | |
| 1388 m->set_cached_itable_index(itbl_index); | |
| 1389 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1390 } | |
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1391 Klass* k = h_recv->klass(); |
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1392 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1393 } |
| 1394 } | |
| 1395 | |
| 1396 methodHandle method(THREAD, selected_method); | |
| 1397 | |
| 1398 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1399 // the jni parser | |
| 1400 ResourceMark rm(THREAD); | |
| 1401 JavaCallArguments java_args(number_of_parameters); | |
| 1402 args->set_java_argument_object(&java_args); | |
| 1403 | |
| 1404 // handle arguments | |
| 1405 assert(!method->is_static(), "method should not be static"); | |
| 1406 args->push_receiver(h_recv); // Push jobject handle | |
| 1407 | |
| 1408 // Fill out JavaCallArguments object | |
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1409 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1410 // Initialize result type |
| 1411 result->set_type(args->get_ret_type()); | |
| 1412 | |
| 1413 // Invoke the method. Result is returned as oop. | |
| 1414 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1415 | |
| 1416 // Convert result | |
| 1417 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1418 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1419 } | |
| 1420 } | |
| 1421 | |
| 1422 | |
| 1423 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
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1424 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1425 k()->check_valid_for_instantiation(false, CHECK_NULL); |
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1426 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
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1427 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1428 return ih; |
| 1429 } | |
| 1430 | |
| 4006 | 1431 #ifndef USDT2 |
| 0 | 1432 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1433 #else /* USDT2 */ |
| 1434 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1435 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1436 #endif /* USDT2 */ | |
| 0 | 1437 |
| 1438 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1439 JNIWrapper("AllocObject"); | |
| 1440 | |
| 4006 | 1441 #ifndef USDT2 |
| 0 | 1442 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1443 #else /* USDT2 */ |
| 1444 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1445 env, clazz); | |
| 1446 #endif /* USDT2 */ | |
| 0 | 1447 jobject ret = NULL; |
| 1448 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1449 | |
| 1450 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1451 ret = JNIHandles::make_local(env, i); | |
| 1452 return ret; | |
| 1453 JNI_END | |
| 1454 | |
| 4006 | 1455 #ifndef USDT2 |
| 0 | 1456 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1457 #else /* USDT2 */ |
| 1458 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1459 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1460 #endif /* USDT2 */ | |
| 0 | 1461 |
| 1462 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1463 JNIWrapper("NewObjectA"); | |
| 4006 | 1464 #ifndef USDT2 |
| 0 | 1465 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1466 #else /* USDT2 */ |
| 1467 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1468 env, clazz, (uintptr_t) methodID); | |
| 1469 #endif /* USDT2 */ | |
| 0 | 1470 jobject obj = NULL; |
| 1471 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1472 | |
| 1473 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1474 obj = JNIHandles::make_local(env, i); | |
| 1475 JavaValue jvalue(T_VOID); | |
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1476 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1477 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1478 return obj; | |
| 1479 JNI_END | |
| 1480 | |
| 4006 | 1481 #ifndef USDT2 |
| 0 | 1482 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1483 #else /* USDT2 */ |
| 1484 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1485 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1486 #endif /* USDT2 */ | |
| 0 | 1487 |
| 1488 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1489 JNIWrapper("NewObjectV"); | |
| 4006 | 1490 #ifndef USDT2 |
| 0 | 1491 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1492 #else /* USDT2 */ |
| 1493 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1494 env, clazz, (uintptr_t) methodID); | |
| 1495 #endif /* USDT2 */ | |
| 0 | 1496 jobject obj = NULL; |
| 1497 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1498 | |
| 1499 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1500 obj = JNIHandles::make_local(env, i); | |
| 1501 JavaValue jvalue(T_VOID); | |
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1502 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1503 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1504 return obj; | |
| 1505 JNI_END | |
| 1506 | |
| 4006 | 1507 #ifndef USDT2 |
| 0 | 1508 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1509 #else /* USDT2 */ |
| 1510 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1511 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1512 #endif /* USDT2 */ | |
| 0 | 1513 |
| 1514 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1515 JNIWrapper("NewObject"); | |
| 4006 | 1516 #ifndef USDT2 |
| 0 | 1517 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1518 #else /* USDT2 */ |
| 1519 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1520 env, clazz, (uintptr_t) methodID); | |
| 1521 #endif /* USDT2 */ | |
| 0 | 1522 jobject obj = NULL; |
| 1523 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1524 | |
| 1525 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1526 obj = JNIHandles::make_local(env, i); | |
| 1527 va_list args; | |
| 1528 va_start(args, methodID); | |
| 1529 JavaValue jvalue(T_VOID); | |
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1530 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1531 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1532 va_end(args); | |
| 1533 return obj; | |
| 1534 JNI_END | |
| 1535 | |
| 1536 | |
| 1537 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1538 JNIWrapper("GetObjectClass"); | |
| 4006 | 1539 #ifndef USDT2 |
| 0 | 1540 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1541 #else /* USDT2 */ |
| 1542 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1543 env, obj); | |
| 1544 #endif /* USDT2 */ | |
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1545 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1546 jclass ret = |
| 6983 | 1547 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1548 #ifndef USDT2 |
| 0 | 1549 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1550 #else /* USDT2 */ |
| 1551 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1552 ret); | |
| 1553 #endif /* USDT2 */ | |
| 0 | 1554 return ret; |
| 1555 JNI_END | |
| 1556 | |
| 1557 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1558 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1559 #ifndef USDT2 |
| 0 | 1560 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1561 #else /* USDT2 */ |
| 1562 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1563 env, obj, clazz); | |
| 1564 #endif /* USDT2 */ | |
| 0 | 1565 jboolean ret = JNI_TRUE; |
| 1566 if (obj != NULL) { | |
| 1567 ret = JNI_FALSE; | |
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1568 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1569 JNIHandles::resolve_non_null(clazz)); |
| 1570 if (k != NULL) { | |
| 1571 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1572 } | |
| 1573 } | |
| 4006 | 1574 #ifndef USDT2 |
| 0 | 1575 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1576 #else /* USDT2 */ |
| 1577 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1578 ret); | |
| 1579 #endif /* USDT2 */ | |
| 0 | 1580 return ret; |
| 1581 JNI_END | |
| 1582 | |
| 1583 | |
| 1584 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1585 const char *sig, bool is_static, TRAPS) { | |
| 1586 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1587 // | |
| 1588 // The class should have been loaded (we have an instance of the class | |
| 1589 // passed in) so the method and signature should already be in the symbol | |
| 1590 // table. If they're not there, the method doesn't exist. | |
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1591 const char *name_to_probe = (name_str == NULL) |
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1592 ? vmSymbols::object_initializer_name()->as_C_string() |
|
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1593 : name_str; |
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1594 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
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1595 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
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1596 |
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1597 if (name == NULL || signature == NULL) { |
| 0 | 1598 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1599 } | |
| 1600 | |
| 1601 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1602 // primitive java.lang.Class | |
| 1603 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1604 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1605 } | |
| 1606 | |
| 1607 KlassHandle klass(THREAD, | |
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1608 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1609 |
| 1610 // Make sure class is linked and initialized before handing id's out to | |
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1611 // Method*s. |
| 6983 | 1612 klass()->initialize(CHECK_NULL); |
| 0 | 1613 |
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1614 Method* m; |
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1615 if (name == vmSymbols::object_initializer_name() || |
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1616 name == vmSymbols::class_initializer_name()) { |
| 0 | 1617 // Never search superclasses for constructors |
| 1618 if (klass->oop_is_instance()) { | |
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1619 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1620 } else { |
| 1621 m = NULL; | |
| 1622 } | |
| 1623 } else { | |
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1624 m = klass->lookup_method(name, signature); |
| 0 | 1625 // Look up interfaces |
| 1626 if (m == NULL && klass->oop_is_instance()) { | |
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1627 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
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1628 signature); |
| 0 | 1629 } |
| 1630 } | |
| 1631 if (m == NULL || (m->is_static() != is_static)) { | |
| 1632 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1633 } | |
| 1634 return m->jmethod_id(); | |
| 1635 } | |
| 1636 | |
| 1637 | |
| 1638 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1639 const char *name, const char *sig)) | |
| 1640 JNIWrapper("GetMethodID"); | |
| 4006 | 1641 #ifndef USDT2 |
| 0 | 1642 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1643 #else /* USDT2 */ |
| 1644 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1645 env, clazz, (char *) name, (char *) sig); | |
| 1646 #endif /* USDT2 */ | |
| 0 | 1647 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1648 #ifndef USDT2 |
| 0 | 1649 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1650 #else /* USDT2 */ |
| 1651 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1652 (uintptr_t) ret); | |
| 1653 #endif /* USDT2 */ | |
| 0 | 1654 return ret; |
| 1655 JNI_END | |
| 1656 | |
| 1657 | |
| 1658 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1659 const char *name, const char *sig)) | |
| 1660 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1661 #ifndef USDT2 |
| 0 | 1662 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1663 #else /* USDT2 */ |
| 1664 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1665 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1666 #endif /* USDT2 */ | |
| 0 | 1667 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1668 #ifndef USDT2 |
| 0 | 1669 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1670 #else /* USDT2 */ |
| 1671 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1672 (uintptr_t) ret); | |
| 1673 #endif /* USDT2 */ | |
| 0 | 1674 return ret; |
| 1675 JNI_END | |
| 1676 | |
| 1677 | |
| 1678 | |
| 1679 // | |
| 1680 // Calling Methods | |
| 1681 // | |
| 1682 | |
| 4006 | 1683 #ifndef USDT2 |
| 0 | 1684 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1685 \ | |
| 1686 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1687 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1688 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1689 \ | |
| 1690 JNI_ENTRY(ResultType, \ | |
| 1691 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1692 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1693 \ | |
| 4006 | 1694 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1695 ResultType ret = 0;\ |
| 1696 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1697 (const ResultType&)ret);\ | |
| 1698 \ | |
| 1699 va_list args; \ | |
| 1700 va_start(args, methodID); \ | |
| 1701 JavaValue jvalue(Tag); \ | |
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1702 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1703 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1704 va_end(args); \ | |
| 1705 ret = jvalue.get_##ResultType(); \ | |
| 1706 return ret;\ | |
| 1707 JNI_END \ | |
| 1708 \ | |
| 1709 \ | |
| 1710 JNI_ENTRY(ResultType, \ | |
| 1711 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1712 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1713 \ | |
| 4006 | 1714 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1715 ResultType ret = 0;\ |
| 1716 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1717 (const ResultType&)ret);\ | |
| 1718 \ | |
| 1719 JavaValue jvalue(Tag); \ | |
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1720 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1721 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1722 ret = jvalue.get_##ResultType(); \ | |
| 1723 return ret;\ | |
| 1724 JNI_END \ | |
| 1725 \ | |
| 1726 \ | |
| 1727 JNI_ENTRY(ResultType, \ | |
| 1728 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1729 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1730 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1731 ResultType ret = 0;\ |
| 1732 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1733 (const ResultType&)ret);\ | |
| 1734 \ | |
| 1735 JavaValue jvalue(Tag); \ | |
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1736 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1737 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1738 ret = jvalue.get_##ResultType(); \ | |
| 1739 return ret;\ | |
| 1740 JNI_END | |
| 1741 | |
| 1742 // the runtime type of subword integral basic types is integer | |
| 1743 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1744 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1745 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1746 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1747 | |
| 1748 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1749 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1750 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1751 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1752 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1753 | |
| 1754 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1755 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1756 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1757 | |
| 4006 | 1758 #else /* USDT2 */ |
| 1759 | |
| 1760 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1761 , EntryProbe, ReturnProbe) \ | |
| 1762 \ | |
| 1763 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1764 , ReturnProbe); \ | |
| 1765 \ | |
| 1766 JNI_ENTRY(ResultType, \ | |
| 1767 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1768 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1769 \ | |
| 1770 EntryProbe; \ | |
| 1771 ResultType ret = 0;\ | |
| 1772 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1773 (const ResultType&)ret);\ | |
| 1774 \ | |
| 1775 va_list args; \ | |
| 1776 va_start(args, methodID); \ | |
| 1777 JavaValue jvalue(Tag); \ | |
| 1778 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1779 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1780 va_end(args); \ | |
| 1781 ret = jvalue.get_##ResultType(); \ | |
| 1782 return ret;\ | |
| 1783 JNI_END | |
| 1784 | |
| 1785 // the runtime type of subword integral basic types is integer | |
| 1786 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1787 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1788 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1789 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1790 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1791 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1792 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1793 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1794 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1795 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1796 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1797 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1798 | |
| 1799 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1800 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1801 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1802 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1803 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1804 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1805 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1806 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1807 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1808 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1809 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1810 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1811 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1812 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1813 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1814 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1815 | |
| 1816 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1817 , EntryProbe, ReturnProbe) \ | |
| 1818 \ | |
| 1819 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1820 , ReturnProbe); \ | |
| 1821 \ | |
| 1822 JNI_ENTRY(ResultType, \ | |
| 1823 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1824 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1825 \ | |
| 1826 EntryProbe;\ | |
| 1827 ResultType ret = 0;\ | |
| 1828 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1829 (const ResultType&)ret);\ | |
| 1830 \ | |
| 1831 JavaValue jvalue(Tag); \ | |
| 1832 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1833 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1834 ret = jvalue.get_##ResultType(); \ | |
| 1835 return ret;\ | |
| 1836 JNI_END | |
| 1837 | |
| 1838 // the runtime type of subword integral basic types is integer | |
| 1839 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1840 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1841 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1842 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1843 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1844 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1845 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1846 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1847 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1848 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1849 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1850 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1851 | |
| 1852 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1853 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1854 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1855 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1856 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1857 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1858 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1859 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1860 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1861 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1862 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1863 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1864 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1865 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1866 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1867 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1868 | |
| 1869 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1870 , EntryProbe, ReturnProbe) \ | |
| 1871 \ | |
| 1872 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1873 , ReturnProbe); \ | |
| 1874 \ | |
| 1875 JNI_ENTRY(ResultType, \ | |
| 1876 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1877 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1878 EntryProbe; \ | |
| 1879 ResultType ret = 0;\ | |
| 1880 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1881 (const ResultType&)ret);\ | |
| 1882 \ | |
| 1883 JavaValue jvalue(Tag); \ | |
| 1884 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1885 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1886 ret = jvalue.get_##ResultType(); \ | |
| 1887 return ret;\ | |
| 1888 JNI_END | |
| 1889 | |
| 1890 // the runtime type of subword integral basic types is integer | |
| 1891 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1892 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1893 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1894 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1895 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1896 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1897 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1898 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1899 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1900 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1901 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1902 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1903 | |
| 1904 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1905 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1906 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1907 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1908 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1909 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1910 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1911 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1912 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1913 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1914 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1915 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1916 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1917 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1918 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1919 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1920 | |
| 1921 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1922 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1923 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1924 | |
| 1925 #endif /* USDT2 */ | |
| 1926 | |
| 0 | 1927 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1928 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1929 #ifndef USDT2 |
| 0 | 1930 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1931 #else /* USDT2 */ |
| 1932 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1933 env, obj, (uintptr_t) methodID); | |
| 1934 #endif /* USDT2 */ | |
| 0 | 1935 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1936 | |
| 1937 va_list args; | |
| 1938 va_start(args, methodID); | |
| 1939 JavaValue jvalue(T_VOID); | |
|
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1940 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1941 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1942 va_end(args); | |
| 1943 JNI_END | |
| 1944 | |
| 1945 | |
| 1946 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1947 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1948 #ifndef USDT2 |
| 0 | 1949 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1950 #else /* USDT2 */ |
| 1951 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1952 env, obj, (uintptr_t) methodID); | |
| 1953 #endif /* USDT2 */ | |
| 0 | 1954 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1955 | |
| 1956 JavaValue jvalue(T_VOID); | |
|
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1957 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1958 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1959 JNI_END | |
| 1960 | |
| 1961 | |
| 1962 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1963 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1964 #ifndef USDT2 |
| 0 | 1965 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1966 #else /* USDT2 */ |
| 1967 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1968 env, obj, (uintptr_t) methodID); | |
| 1969 #endif /* USDT2 */ | |
| 0 | 1970 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1971 | |
| 1972 JavaValue jvalue(T_VOID); | |
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1973 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1974 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1975 JNI_END | |
| 1976 | |
| 1977 | |
| 4006 | 1978 #ifndef USDT2 |
| 0 | 1979 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1980 \ | |
| 1981 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1982 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1983 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1984 \ | |
| 1985 JNI_ENTRY(ResultType, \ | |
| 1986 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1987 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1988 \ | |
| 1989 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1990 ResultType ret;\ | |
| 1991 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1992 (const ResultType&)ret);\ | |
| 1993 \ | |
| 1994 va_list args; \ | |
| 1995 va_start(args, methodID); \ | |
| 1996 JavaValue jvalue(Tag); \ | |
|
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1997 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1998 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1999 va_end(args); \ | |
| 2000 ret = jvalue.get_##ResultType(); \ | |
| 2001 return ret;\ | |
| 2002 JNI_END \ | |
| 2003 \ | |
| 2004 JNI_ENTRY(ResultType, \ | |
| 2005 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2006 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 2007 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 2008 ResultType ret;\ | |
| 2009 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2010 (const ResultType&)ret);\ | |
| 2011 \ | |
| 2012 JavaValue jvalue(Tag); \ | |
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2013 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2014 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2015 ret = jvalue.get_##ResultType(); \ | |
| 2016 return ret;\ | |
| 2017 JNI_END \ | |
| 2018 \ | |
| 2019 JNI_ENTRY(ResultType, \ | |
| 2020 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2021 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2022 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2023 ResultType ret;\ | |
| 2024 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2025 (const ResultType&)ret);\ | |
| 2026 \ | |
| 2027 JavaValue jvalue(Tag); \ | |
|
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2028 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2029 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2030 ret = jvalue.get_##ResultType(); \ | |
| 2031 return ret;\ | |
| 2032 JNI_END | |
| 2033 | |
| 2034 // the runtime type of subword integral basic types is integer | |
| 2035 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2036 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2037 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2038 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2039 | |
| 2040 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2041 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2042 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2043 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2044 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2045 | |
| 2046 | |
| 2047 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2048 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2049 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2050 | |
| 4006 | 2051 #else /* USDT2 */ |
| 2052 | |
| 2053 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2054 , EntryProbe, ReturnProbe) \ | |
| 2055 \ | |
| 2056 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2057 , ReturnProbe);\ | |
| 2058 \ | |
| 2059 JNI_ENTRY(ResultType, \ | |
| 2060 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2061 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2062 \ | |
| 2063 EntryProbe;\ | |
| 2064 ResultType ret;\ | |
| 2065 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2066 (const ResultType&)ret);\ | |
| 2067 \ | |
| 2068 va_list args; \ | |
| 2069 va_start(args, methodID); \ | |
| 2070 JavaValue jvalue(Tag); \ | |
| 2071 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2072 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2073 va_end(args); \ | |
| 2074 ret = jvalue.get_##ResultType(); \ | |
| 2075 return ret;\ | |
| 2076 JNI_END | |
| 2077 | |
| 2078 // the runtime type of subword integral basic types is integer | |
| 2079 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2080 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2081 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2082 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2083 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2084 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2085 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2086 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2087 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2088 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2089 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2090 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2091 | |
| 2092 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2093 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2094 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2095 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2096 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2097 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2098 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2099 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2100 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2101 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2102 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2103 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2104 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2105 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2106 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2107 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2108 | |
| 2109 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2110 , EntryProbe, ReturnProbe) \ | |
| 2111 \ | |
| 2112 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2113 , ReturnProbe);\ | |
| 2114 \ | |
| 2115 JNI_ENTRY(ResultType, \ | |
| 2116 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2117 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2118 \ | |
| 2119 EntryProbe;\ | |
| 2120 ResultType ret;\ | |
| 2121 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2122 (const ResultType&)ret);\ | |
| 2123 \ | |
| 2124 JavaValue jvalue(Tag); \ | |
| 2125 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2126 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2127 ret = jvalue.get_##ResultType(); \ | |
| 2128 return ret;\ | |
| 2129 JNI_END | |
| 2130 | |
| 2131 // the runtime type of subword integral basic types is integer | |
| 2132 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2133 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2134 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2135 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2136 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2137 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2138 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2139 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2140 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2141 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2142 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2143 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2144 | |
| 2145 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2146 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2147 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2148 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2149 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2150 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2151 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2152 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2153 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2154 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2155 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2156 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2157 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2158 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2159 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2160 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2161 | |
| 2162 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2163 , EntryProbe, ReturnProbe) \ | |
| 2164 \ | |
| 2165 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2166 , ReturnProbe);\ | |
| 2167 \ | |
| 2168 JNI_ENTRY(ResultType, \ | |
| 2169 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2170 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2171 \ | |
| 2172 EntryProbe;\ | |
| 2173 ResultType ret;\ | |
| 2174 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2175 (const ResultType&)ret);\ | |
| 2176 \ | |
| 2177 JavaValue jvalue(Tag); \ | |
| 2178 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2179 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2180 ret = jvalue.get_##ResultType(); \ | |
| 2181 return ret;\ | |
| 2182 JNI_END | |
| 2183 | |
| 2184 // the runtime type of subword integral basic types is integer | |
| 2185 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2186 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2187 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2188 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2189 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2190 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2191 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2192 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2193 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2194 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2195 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2196 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2197 | |
| 2198 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2199 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2200 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2201 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2202 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2203 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2204 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2205 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2206 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2207 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2208 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2209 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2210 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2211 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2212 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2213 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2214 | |
| 2215 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2216 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2217 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2218 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2219 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2220 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2221 #endif /* USDT2 */ | |
| 2222 | |
| 0 | 2223 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2224 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2225 | |
| 4006 | 2226 #ifndef USDT2 |
| 0 | 2227 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2228 env, obj, cls, methodID); | |
| 4006 | 2229 #else /* USDT2 */ |
| 2230 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2231 env, obj, cls, (uintptr_t) methodID); | |
| 2232 #endif /* USDT2 */ | |
| 0 | 2233 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2234 | |
| 2235 va_list args; | |
| 2236 va_start(args, methodID); | |
| 2237 JavaValue jvalue(T_VOID); | |
|
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2238 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2239 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2240 va_end(args); | |
| 2241 JNI_END | |
| 2242 | |
| 2243 | |
| 2244 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2245 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2246 | |
| 4006 | 2247 #ifndef USDT2 |
| 0 | 2248 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2249 env, obj, cls, methodID); | |
| 4006 | 2250 #else /* USDT2 */ |
| 2251 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2252 env, obj, cls, (uintptr_t) methodID); | |
| 2253 #endif /* USDT2 */ | |
| 0 | 2254 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2255 | |
| 2256 JavaValue jvalue(T_VOID); | |
|
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2257 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2258 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2259 JNI_END | |
| 2260 | |
| 2261 | |
| 2262 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2263 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2264 #ifndef USDT2 |
| 0 | 2265 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2266 env, obj, cls, methodID); | |
| 4006 | 2267 #else /* USDT2 */ |
| 2268 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2269 env, obj, cls, (uintptr_t) methodID); | |
| 2270 #endif /* USDT2 */ | |
| 0 | 2271 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2272 JavaValue jvalue(T_VOID); | |
|
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2273 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2274 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2275 JNI_END | |
| 2276 | |
| 2277 | |
| 4006 | 2278 #ifndef USDT2 |
| 0 | 2279 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2280 \ | |
| 2281 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2282 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2283 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2284 \ | |
| 2285 JNI_ENTRY(ResultType, \ | |
| 2286 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2287 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2288 \ | |
| 2289 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2290 ResultType ret = 0;\ | |
| 2291 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2292 (const ResultType&)ret);\ | |
| 2293 \ | |
| 2294 va_list args; \ | |
| 2295 va_start(args, methodID); \ | |
| 2296 JavaValue jvalue(Tag); \ | |
|
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|
2297 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2298 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2299 va_end(args); \ | |
| 2300 ret = jvalue.get_##ResultType(); \ | |
| 2301 return ret;\ | |
| 2302 JNI_END \ | |
| 2303 \ | |
| 2304 JNI_ENTRY(ResultType, \ | |
| 2305 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2306 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2307 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2308 ResultType ret = 0;\ | |
| 2309 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2310 (const ResultType&)ret);\ | |
| 2311 \ | |
| 2312 JavaValue jvalue(Tag); \ | |
|
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|
2313 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2314 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2315 ret = jvalue.get_##ResultType(); \ | |
| 2316 return ret;\ | |
| 2317 JNI_END \ | |
| 2318 \ | |
| 2319 JNI_ENTRY(ResultType, \ | |
| 2320 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2321 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2322 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2323 ResultType ret = 0;\ | |
| 2324 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2325 (const ResultType&)ret);\ | |
| 2326 \ | |
| 2327 JavaValue jvalue(Tag); \ | |
|
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|
2328 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2329 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2330 ret = jvalue.get_##ResultType(); \ | |
| 2331 return ret;\ | |
| 2332 JNI_END | |
| 2333 | |
| 2334 // the runtime type of subword integral basic types is integer | |
| 2335 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2336 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2337 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2338 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2339 | |
| 2340 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2341 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2342 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2343 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2344 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2345 | |
| 2346 | |
| 2347 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2348 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2349 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2350 | |
| 4006 | 2351 #else /* USDT2 */ |
| 2352 | |
| 2353 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2354 , EntryProbe, ResultProbe) \ | |
| 2355 \ | |
| 2356 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2357 , ResultProbe); \ | |
| 2358 \ | |
| 2359 JNI_ENTRY(ResultType, \ | |
| 2360 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2361 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2362 \ | |
| 2363 EntryProbe; \ | |
| 2364 ResultType ret = 0;\ | |
| 2365 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2366 (const ResultType&)ret);\ | |
| 2367 \ | |
| 2368 va_list args; \ | |
| 2369 va_start(args, methodID); \ | |
| 2370 JavaValue jvalue(Tag); \ | |
| 2371 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2372 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2373 va_end(args); \ | |
| 2374 ret = jvalue.get_##ResultType(); \ | |
| 2375 return ret;\ | |
| 2376 JNI_END | |
| 2377 | |
| 2378 // the runtime type of subword integral basic types is integer | |
| 2379 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2380 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2381 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2382 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2383 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2384 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2385 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2386 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2387 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2388 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2389 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2390 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2391 | |
| 2392 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2393 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2394 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2395 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2396 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2397 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2398 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2399 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2400 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2401 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2402 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2403 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2404 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2405 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2406 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2407 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2408 | |
| 2409 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2410 , EntryProbe, ResultProbe) \ | |
| 2411 \ | |
| 2412 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2413 , ResultProbe); \ | |
| 2414 \ | |
| 2415 JNI_ENTRY(ResultType, \ | |
| 2416 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2417 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2418 \ | |
| 2419 EntryProbe; \ | |
| 2420 ResultType ret = 0;\ | |
| 2421 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2422 (const ResultType&)ret);\ | |
| 2423 \ | |
| 2424 JavaValue jvalue(Tag); \ | |
| 2425 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2426 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
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2427 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2428 k()->initialize(CHECK_0); \ |
| 4006 | 2429 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2430 va_end(args); \ | |
| 2431 ret = jvalue.get_##ResultType(); \ | |
| 2432 return ret;\ | |
| 2433 JNI_END | |
| 2434 | |
| 2435 // the runtime type of subword integral basic types is integer | |
| 2436 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2437 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2438 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2439 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2440 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2441 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2442 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2443 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2444 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2445 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2446 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2447 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2448 | |
| 2449 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2450 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2451 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2452 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2453 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2454 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2455 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2456 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2457 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2458 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2459 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2460 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2461 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2462 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2463 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2464 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2465 | |
| 2466 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2467 , EntryProbe, ResultProbe) \ | |
| 2468 \ | |
| 2469 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2470 , ResultProbe); \ | |
| 2471 \ | |
| 2472 JNI_ENTRY(ResultType, \ | |
| 2473 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2474 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2475 \ | |
| 2476 EntryProbe; \ | |
| 2477 ResultType ret = 0;\ | |
| 2478 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2479 (const ResultType&)ret);\ | |
| 2480 \ | |
| 2481 JavaValue jvalue(Tag); \ | |
| 2482 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2483 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2484 ret = jvalue.get_##ResultType(); \ | |
| 2485 return ret;\ | |
| 2486 JNI_END | |
| 2487 | |
| 2488 // the runtime type of subword integral basic types is integer | |
| 2489 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2490 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2491 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2492 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2493 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2494 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2495 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2496 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2497 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2498 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2499 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2500 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2501 | |
| 2502 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2503 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2504 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2505 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2506 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2507 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2508 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2509 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2510 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2511 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2512 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2513 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2514 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2515 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2516 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2517 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2518 | |
| 2519 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2520 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2521 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2522 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2523 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2524 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2525 #endif /* USDT2 */ | |
| 2526 | |
| 0 | 2527 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2528 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2529 #ifndef USDT2 |
| 0 | 2530 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2531 #else /* USDT2 */ |
| 2532 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2533 env, cls, (uintptr_t) methodID); | |
| 2534 #endif /* USDT2 */ | |
| 0 | 2535 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2536 | |
| 2537 va_list args; | |
| 2538 va_start(args, methodID); | |
| 2539 JavaValue jvalue(T_VOID); | |
|
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|
2540 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2541 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2542 va_end(args); | |
| 2543 JNI_END | |
| 2544 | |
| 2545 | |
| 2546 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2547 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2548 #ifndef USDT2 |
| 0 | 2549 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2550 #else /* USDT2 */ |
| 2551 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2552 env, cls, (uintptr_t) methodID); | |
| 2553 #endif /* USDT2 */ | |
| 0 | 2554 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2555 | |
| 2556 JavaValue jvalue(T_VOID); | |
|
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|
2557 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2558 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2559 JNI_END | |
| 2560 | |
| 2561 | |
| 2562 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2563 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2564 #ifndef USDT2 |
| 0 | 2565 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2566 #else /* USDT2 */ |
| 2567 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2568 env, cls, (uintptr_t) methodID); | |
| 2569 #endif /* USDT2 */ | |
| 0 | 2570 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2571 | |
| 2572 JavaValue jvalue(T_VOID); | |
|
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|
2573 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2574 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2575 JNI_END | |
| 2576 | |
| 2577 | |
| 2578 // | |
| 2579 // Accessing Fields | |
| 2580 // | |
| 2581 | |
| 2582 | |
| 4006 | 2583 #ifndef USDT2 |
| 0 | 2584 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2585 #else /* USDT2 */ |
| 2586 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2587 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2588 #endif /* USDT2 */ | |
| 0 | 2589 |
| 2590 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2591 const char *name, const char *sig)) | |
| 2592 JNIWrapper("GetFieldID"); | |
| 4006 | 2593 #ifndef USDT2 |
| 0 | 2594 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2595 #else /* USDT2 */ |
| 2596 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2597 env, clazz, (char *) name, (char *) sig); | |
| 2598 #endif /* USDT2 */ | |
| 0 | 2599 jfieldID ret = 0; |
| 2600 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2601 | |
| 2602 // The class should have been loaded (we have an instance of the class | |
| 2603 // passed in) so the field and signature should already be in the symbol | |
| 2604 // table. If they're not there, the field doesn't exist. | |
|
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|
2605 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
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|
2606 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
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|
2607 if (fieldname == NULL || signame == NULL) { |
| 0 | 2608 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2609 } | |
| 2610 KlassHandle k(THREAD, | |
|
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|
2611 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2612 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2613 k()->initialize(CHECK_NULL); |
| 0 | 2614 |
| 2615 fieldDescriptor fd; | |
| 6983 | 2616 if (!k()->oop_is_instance() || |
|
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|
2617 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2618 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2619 } | |
| 2620 | |
| 2621 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2622 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2623 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2624 return ret; | |
| 2625 JNI_END | |
| 2626 | |
| 2627 | |
| 2628 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2629 JNIWrapper("GetObjectField"); | |
| 4006 | 2630 #ifndef USDT2 |
| 0 | 2631 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2632 #else /* USDT2 */ |
| 2633 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2634 env, obj, (uintptr_t) fieldID); | |
| 2635 #endif /* USDT2 */ | |
| 0 | 2636 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2637 Klass* k = o->klass(); |
| 0 | 2638 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2639 // Keep JVMTI addition small and only check enabled flag here. | |
| 2640 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2641 if (JvmtiExport::should_post_field_access()) { | |
| 2642 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2643 } | |
| 2644 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
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|
2645 #if INCLUDE_ALL_GCS |
|
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2646 // If G1 is enabled and we are accessing the value of the referent |
|
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2647 // field in a reference object then we need to register a non-null |
|
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2648 // referent with the SATB barrier. |
|
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|
2649 if (UseG1GC) { |
|
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2650 bool needs_barrier = false; |
|
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|
2651 |
|
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2652 if (ret != NULL && |
|
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|
2653 offset == java_lang_ref_Reference::referent_offset && |
|
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2654 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
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2655 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
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2656 needs_barrier = true; |
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2657 } |
|
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|
2658 |
|
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2659 if (needs_barrier) { |
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2660 oop referent = JNIHandles::resolve(ret); |
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2661 G1SATBCardTableModRefBS::enqueue(referent); |
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2662 } |
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|
2663 } |
|
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|
2664 #endif // INCLUDE_ALL_GCS |
| 4006 | 2665 #ifndef USDT2 |
| 0 | 2666 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2667 #else /* USDT2 */ |
| 2668 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2669 ret); | |
| 2670 #endif /* USDT2 */ | |
| 0 | 2671 return ret; |
| 2672 JNI_END | |
| 2673 | |
| 2674 | |
| 4006 | 2675 #ifndef USDT2 |
| 0 | 2676 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2677 \ | |
| 2678 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2679 \ | |
| 2680 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2681 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2682 \ | |
| 2683 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2684 Return ret = 0;\ | |
| 2685 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2686 \ | |
| 2687 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2688 Klass* k = o->klass(); \ |
| 0 | 2689 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2690 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2691 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2692 /* and creates a ResetNoHandleMark. */ \ | |
| 2693 if (JvmtiExport::should_post_field_access()) { \ | |
| 2694 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2695 } \ | |
| 2696 ret = o->Fieldname##_field(offset); \ | |
| 2697 return ret; \ | |
| 2698 JNI_END | |
| 2699 | |
| 2700 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2701 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2702 DEFINE_GETFIELD(jchar, char, Char) | |
| 2703 DEFINE_GETFIELD(jshort, short, Short) | |
| 2704 DEFINE_GETFIELD(jint, int, Int) | |
| 2705 DEFINE_GETFIELD(jlong, long, Long) | |
| 2706 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2707 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2708 | |
| 4006 | 2709 #else /* USDT2 */ |
| 2710 | |
| 2711 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2712 , EntryProbe, ReturnProbe) \ | |
| 2713 \ | |
| 2714 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2715 , ReturnProbe); \ | |
| 2716 \ | |
| 2717 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2718 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2719 \ | |
| 2720 EntryProbe; \ | |
| 2721 Return ret = 0;\ | |
| 2722 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2723 \ | |
| 2724 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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2725 Klass* k = o->klass(); \ |
| 4006 | 2726 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2727 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2728 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2729 /* and creates a ResetNoHandleMark. */ \ | |
| 2730 if (JvmtiExport::should_post_field_access()) { \ | |
| 2731 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2732 } \ | |
| 2733 ret = o->Fieldname##_field(offset); \ | |
| 2734 return ret; \ | |
| 2735 JNI_END | |
| 2736 | |
| 2737 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2738 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2739 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2740 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2741 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2742 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2743 DEFINE_GETFIELD(jchar, char, Char | |
| 2744 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2745 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2746 DEFINE_GETFIELD(jshort, short, Short | |
| 2747 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2748 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2749 DEFINE_GETFIELD(jint, int, Int | |
| 2750 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2751 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2752 DEFINE_GETFIELD(jlong, long, Long | |
| 2753 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2754 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2755 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2756 DEFINE_GETFIELD(jfloat, float, Float | |
| 2757 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2758 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2759 DEFINE_GETFIELD(jdouble, double, Double | |
| 2760 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2761 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2762 #endif /* USDT2 */ | |
| 2763 | |
| 0 | 2764 address jni_GetBooleanField_addr() { |
| 2765 return (address)jni_GetBooleanField; | |
| 2766 } | |
| 2767 address jni_GetByteField_addr() { | |
| 2768 return (address)jni_GetByteField; | |
| 2769 } | |
| 2770 address jni_GetCharField_addr() { | |
| 2771 return (address)jni_GetCharField; | |
| 2772 } | |
| 2773 address jni_GetShortField_addr() { | |
| 2774 return (address)jni_GetShortField; | |
| 2775 } | |
| 2776 address jni_GetIntField_addr() { | |
| 2777 return (address)jni_GetIntField; | |
| 2778 } | |
| 2779 address jni_GetLongField_addr() { | |
| 2780 return (address)jni_GetLongField; | |
| 2781 } | |
| 2782 address jni_GetFloatField_addr() { | |
| 2783 return (address)jni_GetFloatField; | |
| 2784 } | |
| 2785 address jni_GetDoubleField_addr() { | |
| 2786 return (address)jni_GetDoubleField; | |
| 2787 } | |
| 2788 | |
| 2789 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2790 JNIWrapper("SetObjectField"); | |
| 4006 | 2791 #ifndef USDT2 |
| 0 | 2792 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2793 #else /* USDT2 */ |
| 2794 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2795 env, obj, (uintptr_t) fieldID, value); | |
| 2796 #endif /* USDT2 */ | |
| 0 | 2797 oop o = JNIHandles::resolve_non_null(obj); |
|
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|
2798 Klass* k = o->klass(); |
| 0 | 2799 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2800 // Keep JVMTI addition small and only check enabled flag here. | |
| 2801 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2802 // and creates a ResetNoHandleMark. | |
| 2803 if (JvmtiExport::should_post_field_modification()) { | |
| 2804 jvalue field_value; | |
| 2805 field_value.l = value; | |
| 2806 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2807 } | |
| 2808 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2809 #ifndef USDT2 |
| 0 | 2810 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2811 #else /* USDT2 */ |
| 2812 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2813 ); | |
| 2814 #endif /* USDT2 */ | |
| 0 | 2815 JNI_END |
| 2816 | |
| 4006 | 2817 #ifndef USDT2 |
| 0 | 2818 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2819 \ | |
| 2820 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2821 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2822 \ | |
|
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|
2823 FP_SELECT_##Result( \ |
|
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|
2824 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
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|
2825 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2826 \ |
| 2827 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2828 Klass* k = o->klass(); \ |
| 0 | 2829 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2830 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2831 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2832 /* and creates a ResetNoHandleMark. */ \ | |
| 2833 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2834 jvalue field_value; \ | |
| 2835 field_value.unionType = value; \ | |
| 2836 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2837 } \ | |
| 2838 o->Fieldname##_field_put(offset, value); \ | |
| 2839 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2840 JNI_END | |
| 2841 | |
| 2842 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2843 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2844 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2845 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2846 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2847 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2848 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2849 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2850 | |
| 4006 | 2851 #else /* USDT2 */ |
| 2852 | |
| 2853 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2854 , EntryProbe, ReturnProbe) \ | |
| 2855 \ | |
| 2856 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2857 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2858 \ | |
| 2859 EntryProbe; \ | |
| 2860 \ | |
| 2861 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
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|
2862 Klass* k = o->klass(); \ |
| 4006 | 2863 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2864 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2865 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2866 /* and creates a ResetNoHandleMark. */ \ | |
| 2867 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2868 jvalue field_value; \ | |
| 2869 field_value.unionType = value; \ | |
| 2870 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2871 } \ | |
| 2872 o->Fieldname##_field_put(offset, value); \ | |
| 2873 ReturnProbe; \ | |
| 2874 JNI_END | |
| 2875 | |
| 2876 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2877 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2878 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2879 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2880 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2881 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2882 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2883 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2884 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2885 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2886 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2887 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2888 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2889 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2890 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2891 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2892 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2893 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2894 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2895 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2896 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2897 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2898 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2899 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2900 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2901 #endif /* USDT2 */ | |
| 2902 | |
| 2903 #ifndef USDT2 | |
| 0 | 2904 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2905 #else /* USDT2 */ |
| 2906 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2907 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2908 #endif /* USDT2 */ | |
| 0 | 2909 |
| 2910 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2911 JNIWrapper("ToReflectedField"); | |
| 4006 | 2912 #ifndef USDT2 |
| 0 | 2913 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2914 env, cls, fieldID, isStatic); | |
| 4006 | 2915 #else /* USDT2 */ |
| 2916 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2917 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2918 #endif /* USDT2 */ | |
| 0 | 2919 jobject ret = NULL; |
| 2920 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2921 | |
| 2922 fieldDescriptor fd; | |
| 2923 bool found = false; | |
|
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2924 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2925 |
| 2926 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2927 | |
| 2928 if (isStatic) { | |
|
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|
2929 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2930 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2931 assert(id->is_static_field_id(), "invalid static field id"); | |
|
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|
2932 found = id->find_local_field(&fd); |
| 0 | 2933 } else { |
| 2934 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2935 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
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|
2936 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2937 } |
| 2938 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2939 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2940 ret = JNIHandles::make_local(env, reflected); | |
| 2941 return ret; | |
| 2942 JNI_END | |
| 2943 | |
| 2944 | |
| 2945 // | |
| 2946 // Accessing Static Fields | |
| 2947 // | |
| 4006 | 2948 #ifndef USDT2 |
| 0 | 2949 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2950 #else /* USDT2 */ |
| 2951 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2952 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2953 #endif /* USDT2 */ | |
| 0 | 2954 |
| 2955 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2956 const char *name, const char *sig)) | |
| 2957 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2958 #ifndef USDT2 |
| 0 | 2959 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2960 #else /* USDT2 */ |
| 2961 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2962 env, clazz, (char *) name, (char *) sig); | |
| 2963 #endif /* USDT2 */ | |
| 0 | 2964 jfieldID ret = NULL; |
| 2965 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2966 | |
| 2967 // The class should have been loaded (we have an instance of the class | |
| 2968 // passed in) so the field and signature should already be in the symbol | |
| 2969 // table. If they're not there, the field doesn't exist. | |
|
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6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
2970 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
2971 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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|
2972 if (fieldname == NULL || signame == NULL) { |
| 0 | 2973 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2974 } | |
| 2975 KlassHandle k(THREAD, | |
|
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6964458: Reimplement class meta-data storage to use native memory
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diff
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|
2976 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2977 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2978 k()->initialize(CHECK_NULL); |
| 0 | 2979 |
| 2980 fieldDescriptor fd; | |
| 6983 | 2981 if (!k()->oop_is_instance() || |
|
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6197
diff
changeset
|
2982 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2983 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2984 } | |
| 2985 | |
|
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diff
changeset
|
2986 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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parents:
6856
diff
changeset
|
2987 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2988 debug_only(id->set_is_static_field_id();) |
| 2989 | |
|
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|
2990 debug_only(id->verify(fd.field_holder())); |
| 0 | 2991 |
| 2992 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2993 return ret; | |
| 2994 JNI_END | |
| 2995 | |
| 2996 | |
| 2997 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2998 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2999 #ifndef USDT2 |
| 0 | 3000 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 3001 #else /* USDT2 */ |
| 3002 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 3003 env, clazz, (uintptr_t) fieldID); | |
| 3004 #endif /* USDT2 */ | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3005 #if INCLUDE_JNI_CHECK |
|
6725
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6197
diff
changeset
|
3006 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
6854
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6725
diff
changeset
|
3007 #endif // INCLUDE_JNI_CHECK |
| 0 | 3008 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3009 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3010 // Keep JVMTI addition small and only check enabled flag here. | |
| 3011 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3012 if (JvmtiExport::should_post_field_access()) { | |
| 3013 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3014 } | |
|
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|
3015 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3016 #ifndef USDT2 |
| 0 | 3017 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3018 #else /* USDT2 */ |
| 3019 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3020 ret); | |
| 3021 #endif /* USDT2 */ | |
| 0 | 3022 return ret; |
| 3023 JNI_END | |
| 3024 | |
| 4006 | 3025 #ifndef USDT2 |
| 0 | 3026 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3027 \ | |
| 3028 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3029 \ | |
| 3030 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3031 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3032 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3033 Return ret = 0;\ | |
| 3034 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3035 (const Return&)ret);\ | |
| 3036 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3037 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3038 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3039 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3040 if (JvmtiExport::should_post_field_access()) { \ | |
| 3041 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3042 } \ | |
|
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parents:
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diff
changeset
|
3043 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3044 return ret;\ |
| 3045 JNI_END | |
| 3046 | |
| 3047 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3048 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3049 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3050 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3051 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3052 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3053 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3054 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3055 | |
| 4006 | 3056 #else /* USDT2 */ |
| 3057 | |
| 3058 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3059 , EntryProbe, ReturnProbe) \ | |
| 3060 \ | |
| 3061 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3062 , ReturnProbe); \ | |
| 3063 \ | |
| 3064 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3065 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3066 EntryProbe; \ | |
| 3067 Return ret = 0;\ | |
| 3068 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3069 (const Return&)ret);\ | |
| 3070 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3071 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3072 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3073 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3074 if (JvmtiExport::should_post_field_access()) { \ | |
| 3075 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3076 } \ | |
| 3077 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3078 return ret;\ | |
| 3079 JNI_END | |
| 3080 | |
| 3081 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3082 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3083 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3084 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3085 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3086 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3087 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3088 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3089 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3090 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3091 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3092 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3093 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3094 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3095 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3096 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3097 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3098 #endif /* USDT2 */ | |
| 0 | 3099 |
| 3100 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3101 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3102 #ifndef USDT2 |
| 0 | 3103 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3104 #else /* USDT2 */ |
| 3105 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3106 env, clazz, (uintptr_t) fieldID, value); | |
| 3107 #endif /* USDT2 */ | |
| 0 | 3108 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3109 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3110 // Keep JVMTI addition small and only check enabled flag here. | |
| 3111 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3112 if (JvmtiExport::should_post_field_modification()) { | |
| 3113 jvalue field_value; | |
| 3114 field_value.l = value; | |
| 3115 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3116 } | |
|
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7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3117 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3118 #ifndef USDT2 |
| 0 | 3119 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3120 #else /* USDT2 */ |
| 3121 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3122 ); | |
| 3123 #endif /* USDT2 */ | |
| 0 | 3124 JNI_END |
| 3125 | |
| 3126 | |
| 4006 | 3127 #ifndef USDT2 |
| 0 | 3128 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3129 \ | |
| 3130 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3131 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3132 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3133 DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3134 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3135 \ |
| 3136 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3137 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3138 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3139 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3140 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3141 jvalue field_value; \ | |
| 3142 field_value.unionType = value; \ | |
| 3143 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3144 } \ | |
|
2376
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7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3145 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3146 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3147 JNI_END | |
| 3148 | |
| 3149 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3150 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3151 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3152 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3153 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3154 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3155 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3156 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3157 | |
| 4006 | 3158 #else /* USDT2 */ |
| 3159 | |
| 3160 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3161 , EntryProbe, ReturnProbe) \ | |
| 3162 \ | |
| 3163 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3164 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3165 EntryProbe; \ | |
| 3166 \ | |
| 3167 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3168 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3169 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3170 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3171 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3172 jvalue field_value; \ | |
| 3173 field_value.unionType = value; \ | |
| 3174 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3175 } \ | |
| 3176 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3177 ReturnProbe;\ | |
| 3178 JNI_END | |
| 3179 | |
| 3180 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3181 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3182 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3183 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3184 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3185 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3186 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3187 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3188 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3189 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3190 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3191 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3192 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3193 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3194 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3195 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3196 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3197 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3198 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3199 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3200 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3201 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3202 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3203 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3204 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3205 #endif /* USDT2 */ | |
| 0 | 3206 |
| 3207 // | |
| 3208 // String Operations | |
| 3209 // | |
| 3210 | |
| 3211 // Unicode Interface | |
| 3212 | |
| 4006 | 3213 #ifndef USDT2 |
| 0 | 3214 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3215 #else /* USDT2 */ |
| 3216 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3217 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3218 #endif /* USDT2 */ | |
| 0 | 3219 |
| 3220 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3221 JNIWrapper("NewString"); | |
| 4006 | 3222 #ifndef USDT2 |
| 0 | 3223 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3224 #else /* USDT2 */ |
| 3225 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3226 env, (uint16_t *) unicodeChars, len); | |
| 3227 #endif /* USDT2 */ | |
| 0 | 3228 jstring ret = NULL; |
| 3229 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3230 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3231 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3232 return ret; | |
| 3233 JNI_END | |
| 3234 | |
| 3235 | |
| 3236 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3237 JNIWrapper("GetStringLength"); | |
| 4006 | 3238 #ifndef USDT2 |
| 0 | 3239 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3240 #else /* USDT2 */ |
| 3241 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3242 env, string); | |
| 3243 #endif /* USDT2 */ | |
| 0 | 3244 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3245 #ifndef USDT2 |
| 0 | 3246 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3247 #else /* USDT2 */ |
| 3248 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3249 ret); | |
| 3250 #endif /* USDT2 */ | |
| 0 | 3251 return ret; |
| 3252 JNI_END | |
| 3253 | |
| 3254 | |
| 3255 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3256 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3257 JNIWrapper("GetStringChars"); | |
| 4006 | 3258 #ifndef USDT2 |
| 0 | 3259 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3260 #else /* USDT2 */ |
| 3261 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3262 env, string, (uintptr_t *) isCopy); | |
| 3263 #endif /* USDT2 */ | |
| 0 | 3264 //%note jni_5 |
| 3265 if (isCopy != NULL) { | |
| 3266 *isCopy = JNI_TRUE; | |
| 3267 } | |
| 3268 oop s = JNIHandles::resolve_non_null(string); | |
| 3269 int s_len = java_lang_String::length(s); | |
| 3270 typeArrayOop s_value = java_lang_String::value(s); | |
| 3271 int s_offset = java_lang_String::offset(s); | |
| 6197 | 3272 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
| 0 | 3273 if (s_len > 0) { |
| 3274 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3275 } | |
| 3276 buf[s_len] = 0; | |
| 4006 | 3277 #ifndef USDT2 |
| 0 | 3278 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3279 #else /* USDT2 */ |
| 3280 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3281 buf); | |
| 3282 #endif /* USDT2 */ | |
| 0 | 3283 return buf; |
| 3284 JNI_END | |
| 3285 | |
| 3286 | |
| 3287 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3288 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3289 #ifndef USDT2 |
| 0 | 3290 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3291 #else /* USDT2 */ |
| 3292 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3293 env, str, (uint16_t *) chars); | |
| 3294 #endif /* USDT2 */ | |
| 0 | 3295 //%note jni_6 |
| 3296 if (chars != NULL) { | |
| 3297 // Since String objects are supposed to be immutable, don't copy any | |
| 3298 // new data back. A bad user will have to go after the char array. | |
| 3299 FreeHeap((void*) chars); | |
| 3300 } | |
| 4006 | 3301 #ifndef USDT2 |
| 0 | 3302 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3303 #else /* USDT2 */ |
| 3304 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3305 ); | |
| 3306 #endif /* USDT2 */ | |
| 0 | 3307 JNI_END |
| 3308 | |
| 3309 | |
| 3310 // UTF Interface | |
| 3311 | |
| 4006 | 3312 #ifndef USDT2 |
| 0 | 3313 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3314 #else /* USDT2 */ |
| 3315 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3316 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3317 #endif /* USDT2 */ | |
| 0 | 3318 |
| 3319 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3320 JNIWrapper("NewStringUTF"); | |
| 4006 | 3321 #ifndef USDT2 |
| 0 | 3322 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3323 #else /* USDT2 */ |
| 3324 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3325 env, (char *) bytes); | |
| 3326 #endif /* USDT2 */ | |
| 0 | 3327 jstring ret; |
| 3328 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3329 | |
| 3330 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3331 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3332 return ret; | |
| 3333 JNI_END | |
| 3334 | |
| 3335 | |
| 3336 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3337 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3338 #ifndef USDT2 |
| 0 | 3339 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3340 #else /* USDT2 */ |
| 3341 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3342 env, string); | |
| 3343 #endif /* USDT2 */ | |
| 0 | 3344 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3345 #ifndef USDT2 |
| 0 | 3346 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3347 #else /* USDT2 */ |
| 3348 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3349 ret); | |
| 3350 #endif /* USDT2 */ | |
| 0 | 3351 return ret; |
| 3352 JNI_END | |
| 3353 | |
| 3354 | |
| 3355 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3356 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3357 #ifndef USDT2 |
| 0 | 3358 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3359 #else /* USDT2 */ |
| 3360 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3361 env, string, (uintptr_t *) isCopy); | |
| 3362 #endif /* USDT2 */ | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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parents:
1980
diff
changeset
|
3363 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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parents:
1980
diff
changeset
|
3364 size_t length = java_lang_String::utf8_length(java_string); |
| 6197 | 3365 char* result = AllocateHeap(length + 1, mtInternal); |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3366 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3367 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3368 #ifndef USDT2 |
| 0 | 3369 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3370 #else /* USDT2 */ |
| 3371 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3372 result); | |
| 3373 #endif /* USDT2 */ | |
| 0 | 3374 return result; |
| 3375 JNI_END | |
| 3376 | |
| 3377 | |
| 3378 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3379 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3380 #ifndef USDT2 |
| 0 | 3381 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3382 #else /* USDT2 */ |
| 3383 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3384 env, str, (char *) chars); | |
| 3385 #endif /* USDT2 */ | |
| 0 | 3386 if (chars != NULL) { |
| 3387 FreeHeap((char*) chars); | |
| 3388 } | |
| 4006 | 3389 #ifndef USDT2 |
| 0 | 3390 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3391 #else /* USDT2 */ |
| 3392 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3393 ); | |
| 3394 #endif /* USDT2 */ | |
| 0 | 3395 JNI_END |
| 3396 | |
| 3397 | |
| 3398 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3399 JNIWrapper("GetArrayLength"); | |
| 4006 | 3400 #ifndef USDT2 |
| 0 | 3401 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3402 #else /* USDT2 */ |
| 3403 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3404 env, array); | |
| 3405 #endif /* USDT2 */ | |
| 0 | 3406 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3407 assert(a->is_array(), "must be array"); | |
| 3408 jsize ret = a->length(); | |
| 4006 | 3409 #ifndef USDT2 |
| 0 | 3410 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3411 #else /* USDT2 */ |
| 3412 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3413 ret); | |
| 3414 #endif /* USDT2 */ | |
| 0 | 3415 return ret; |
| 3416 JNI_END | |
| 3417 | |
| 3418 | |
| 3419 // | |
| 3420 // Object Array Operations | |
| 3421 // | |
| 3422 | |
| 4006 | 3423 #ifndef USDT2 |
| 0 | 3424 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3425 #else /* USDT2 */ |
| 3426 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3427 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3428 #endif /* USDT2 */ | |
| 0 | 3429 |
| 3430 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3431 JNIWrapper("NewObjectArray"); | |
| 4006 | 3432 #ifndef USDT2 |
| 0 | 3433 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3434 #else /* USDT2 */ |
| 3435 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3436 env, length, elementClass, initialElement); | |
| 3437 #endif /* USDT2 */ | |
| 0 | 3438 jobjectArray ret = NULL; |
| 3439 DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3440 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3441 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3442 KlassHandle ak = KlassHandle(THREAD, ako); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3443 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3444 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3445 oop initial_value = JNIHandles::resolve(initialElement); |
| 3446 if (initial_value != NULL) { // array already initialized with NULL | |
| 3447 for (int index = 0; index < length; index++) { | |
| 3448 result->obj_at_put(index, initial_value); | |
| 3449 } | |
| 3450 } | |
| 3451 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3452 return ret; | |
| 3453 JNI_END | |
| 3454 | |
| 4006 | 3455 #ifndef USDT2 |
| 0 | 3456 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3457 #else /* USDT2 */ |
| 3458 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3459 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3460 #endif /* USDT2 */ | |
| 0 | 3461 |
| 3462 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3463 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3464 #ifndef USDT2 |
| 0 | 3465 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3466 #else /* USDT2 */ |
| 3467 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3468 env, array, index); | |
| 3469 #endif /* USDT2 */ | |
| 0 | 3470 jobject ret = NULL; |
| 3471 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3472 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3473 if (a->is_within_bounds(index)) { | |
|
1034
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kamg
parents:
973
diff
changeset
|
3474 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3475 return ret; |
| 3476 } else { | |
| 3477 char buf[jintAsStringSize]; | |
| 3478 sprintf(buf, "%d", index); | |
| 3479 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3480 } | |
| 3481 JNI_END | |
| 3482 | |
| 4006 | 3483 #ifndef USDT2 |
| 0 | 3484 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3485 #else /* USDT2 */ |
| 3486 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3487 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3488 #endif /* USDT2 */ | |
| 0 | 3489 |
| 3490 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3491 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3492 #ifndef USDT2 |
| 0 | 3493 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3494 #else /* USDT2 */ |
| 3495 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3496 env, array, index, value); | |
| 3497 #endif /* USDT2 */ | |
| 0 | 3498 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3499 | |
| 3500 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3501 oop v = JNIHandles::resolve(value); | |
| 3502 if (a->is_within_bounds(index)) { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3503 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3504 a->obj_at_put(index, v); |
| 3505 } else { | |
| 3506 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3507 } | |
| 3508 } else { | |
| 3509 char buf[jintAsStringSize]; | |
| 3510 sprintf(buf, "%d", index); | |
| 3511 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3512 } | |
| 3513 JNI_END | |
| 3514 | |
| 3515 | |
| 4006 | 3516 #ifndef USDT2 |
| 0 | 3517 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3518 \ | |
| 4006 | 3519 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3520 \ |
| 3521 JNI_ENTRY(Return, \ | |
| 3522 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3523 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3524 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3525 Return ret = NULL;\ | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3526 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3527 \ |
| 3528 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3529 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3530 return ret;\ | |
| 3531 JNI_END | |
| 3532 | |
| 3533 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3534 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3535 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3536 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3537 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3538 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3539 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3540 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3541 | |
| 4006 | 3542 #else /* USDT2 */ |
| 3543 | |
| 3544 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3545 ,EntryProbe,ReturnProbe) \ | |
| 3546 \ | |
| 3547 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3548 , ReturnProbe); \ | |
| 3549 \ | |
| 3550 JNI_ENTRY(Return, \ | |
| 3551 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3552 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3553 EntryProbe; \ | |
| 3554 Return ret = NULL;\ | |
| 3555 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3556 \ | |
| 3557 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3558 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3559 return ret;\ | |
| 3560 JNI_END | |
| 3561 | |
| 3562 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3563 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3564 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3565 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3566 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3567 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3568 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3569 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3570 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3571 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3572 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3573 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3574 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3575 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3576 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3577 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3578 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3579 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3580 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3581 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3582 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3583 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3584 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3585 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3586 #endif /* USDT2 */ | |
| 0 | 3587 |
| 3588 // Return an address which will fault if the caller writes to it. | |
| 3589 | |
| 3590 static char* get_bad_address() { | |
| 3591 static char* bad_address = NULL; | |
| 3592 if (bad_address == NULL) { | |
| 3593 size_t size = os::vm_allocation_granularity(); | |
| 3594 bad_address = os::reserve_memory(size); | |
| 3595 if (bad_address != NULL) { | |
|
477
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3596 os::protect_memory(bad_address, size, os::MEM_PROT_READ, |
|
24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
coleenp
parents:
237
diff
changeset
|
3597 /*is_committed*/false); |
| 0 | 3598 } |
| 3599 } | |
| 3600 return bad_address; | |
| 3601 } | |
| 3602 | |
| 3603 | |
| 4006 | 3604 #ifndef USDT2 |
| 0 | 3605 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3606 \ | |
| 3607 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3608 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3609 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3610 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3611 /* allocate an chunk of memory in c land */ \ | |
| 3612 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3613 ElementType* result; \ | |
| 3614 int len = a->length(); \ | |
| 3615 if (len == 0) { \ | |
| 3616 /* Empty array: legal but useless, can't return NULL. \ | |
| 3617 * Return a pointer to something useless. \ | |
| 3618 * Avoid asserts in typeArrayOop. */ \ | |
| 3619 result = (ElementType*)get_bad_address(); \ | |
| 3620 } else { \ | |
| 6197 | 3621 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 0 | 3622 /* copy the array to the c chunk */ \ |
| 3623 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3624 } \ | |
| 3625 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3626 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3627 return result; \ | |
| 3628 JNI_END | |
| 3629 | |
| 3630 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3631 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3632 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3633 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3634 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3635 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3636 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3637 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3638 | |
| 4006 | 3639 #else /* USDT2 */ |
| 3640 | |
| 3641 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3642 , EntryProbe, ReturnProbe) \ | |
| 3643 \ | |
| 3644 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3645 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3646 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3647 EntryProbe; \ | |
| 3648 /* allocate an chunk of memory in c land */ \ | |
| 3649 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3650 ElementType* result; \ | |
| 3651 int len = a->length(); \ | |
| 3652 if (len == 0) { \ | |
| 3653 /* Empty array: legal but useless, can't return NULL. \ | |
| 3654 * Return a pointer to something useless. \ | |
| 3655 * Avoid asserts in typeArrayOop. */ \ | |
| 3656 result = (ElementType*)get_bad_address(); \ | |
| 3657 } else { \ | |
| 6197 | 3658 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 4006 | 3659 /* copy the array to the c chunk */ \ |
| 3660 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3661 } \ | |
| 3662 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3663 ReturnProbe; \ | |
| 3664 return result; \ | |
| 3665 JNI_END | |
| 3666 | |
| 3667 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3668 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3669 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3670 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3671 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3672 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3673 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3674 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3675 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3676 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3677 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3678 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3679 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3680 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3681 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3682 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3683 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3684 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3685 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3686 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3687 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3688 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3689 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3690 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3691 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3692 #endif /* USDT2 */ | |
| 3693 | |
| 3694 #ifndef USDT2 | |
| 0 | 3695 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3696 \ | |
| 3697 JNI_QUICK_ENTRY(void, \ | |
| 3698 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3699 ElementType *buf, jint mode)) \ | |
| 3700 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3701 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3702 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3703 int len = a->length(); \ | |
| 3704 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3705 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3706 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3707 } \ | |
| 3708 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3709 FreeHeap(buf); \ | |
| 3710 } \ | |
| 3711 } \ | |
| 3712 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3713 JNI_END | |
| 3714 | |
| 3715 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3722 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3723 | |
| 4006 | 3724 #else /* USDT2 */ |
| 3725 | |
| 3726 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3727 , EntryProbe, ReturnProbe);\ | |
| 3728 \ | |
| 3729 JNI_QUICK_ENTRY(void, \ | |
| 3730 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3731 ElementType *buf, jint mode)) \ | |
| 3732 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3733 EntryProbe; \ | |
| 3734 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3735 int len = a->length(); \ | |
| 3736 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3737 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3738 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3739 } \ | |
| 3740 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3741 FreeHeap(buf); \ | |
| 3742 } \ | |
| 3743 } \ | |
| 3744 ReturnProbe; \ | |
| 3745 JNI_END | |
| 3746 | |
| 3747 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3748 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3749 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3750 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3751 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3752 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3753 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3754 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3755 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3756 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3757 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3758 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3759 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3760 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3761 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3762 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3763 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3764 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3765 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3766 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3767 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3768 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3769 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3770 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3771 #endif /* USDT2 */ | |
| 3772 | |
| 3773 #ifndef USDT2 | |
| 0 | 3774 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3775 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3776 \ | |
| 3777 JNI_ENTRY(void, \ | |
| 3778 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3779 jsize len, ElementType *buf)) \ | |
| 3780 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3781 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3782 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3783 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3784 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3785 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3786 } else { \ | |
| 3787 if (len > 0) { \ | |
|
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diff
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|
3788 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3789 memcpy((u_char*) buf, \ |
| 3790 (u_char*) src->Tag##_at_addr(start), \ | |
| 3791 len << sc); \ | |
| 3792 } \ | |
| 3793 } \ | |
| 3794 JNI_END | |
| 3795 | |
| 3796 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3797 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3798 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3800 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3801 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3802 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3803 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3804 | |
| 4006 | 3805 #else /* USDT2 */ |
| 3806 | |
| 3807 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3808 , EntryProbe, ReturnProbe); \ | |
| 3809 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3810 , ReturnProbe); \ | |
| 3811 \ | |
| 3812 JNI_ENTRY(void, \ | |
| 3813 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3814 jsize len, ElementType *buf)) \ | |
| 3815 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3816 EntryProbe; \ | |
| 3817 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3818 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3819 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3820 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3821 } else { \ | |
| 3822 if (len > 0) { \ | |
|
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diff
changeset
|
3823 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3824 memcpy((u_char*) buf, \ |
| 3825 (u_char*) src->Tag##_at_addr(start), \ | |
| 3826 len << sc); \ | |
| 3827 } \ | |
| 3828 } \ | |
| 3829 JNI_END | |
| 3830 | |
| 3831 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3832 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3833 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3834 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3835 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3836 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3837 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3838 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3839 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3840 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3841 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3842 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3843 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3844 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3845 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3846 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3847 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3848 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3849 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3850 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3851 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3852 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3853 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3854 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3855 #endif /* USDT2 */ | |
| 3856 | |
| 3857 #ifndef USDT2 | |
| 0 | 3858 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3859 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3860 \ | |
| 3861 JNI_ENTRY(void, \ | |
| 3862 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3863 jsize len, const ElementType *buf)) \ | |
| 3864 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3865 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3866 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3867 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3868 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3869 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3870 } else { \ | |
| 3871 if (len > 0) { \ | |
|
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6725
diff
changeset
|
3872 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3873 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3874 (u_char*) buf, \ | |
| 3875 len << sc); \ | |
| 3876 } \ | |
| 3877 } \ | |
| 3878 JNI_END | |
| 3879 | |
| 3880 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3881 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3882 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3884 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3885 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3886 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3887 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3888 | |
| 4006 | 3889 #else /* USDT2 */ |
| 3890 | |
| 3891 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3892 , EntryProbe, ReturnProbe); \ | |
| 3893 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3894 ,ReturnProbe); \ | |
| 3895 \ | |
| 3896 JNI_ENTRY(void, \ | |
| 3897 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3898 jsize len, const ElementType *buf)) \ | |
| 3899 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3900 EntryProbe; \ | |
| 3901 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3902 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3903 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3904 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3905 } else { \ | |
| 3906 if (len > 0) { \ | |
|
6831
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6725
diff
changeset
|
3907 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3908 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3909 (u_char*) buf, \ | |
| 3910 len << sc); \ | |
| 3911 } \ | |
| 3912 } \ | |
| 3913 JNI_END | |
| 3914 | |
| 3915 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3916 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3917 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3918 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3919 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3920 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3921 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3922 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3923 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3924 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3925 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3926 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3927 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3928 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3929 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3930 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3931 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3932 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3933 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3934 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3935 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3936 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3937 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3938 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3939 #endif /* USDT2 */ | |
| 3940 | |
| 0 | 3941 |
| 3942 // | |
| 3943 // Interception of natives | |
| 3944 // | |
| 3945 | |
| 3946 // The RegisterNatives call being attempted tried to register with a method that | |
| 3947 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3948 // to see if the native method is now wrapped with the prefixes. See the | |
| 3949 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
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6197
diff
changeset
|
3950 static Method* find_prefixed_native(KlassHandle k, |
|
2177
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1989
diff
changeset
|
3951 Symbol* name, Symbol* signature, TRAPS) { |
|
6854
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6725
diff
changeset
|
3952 #if INCLUDE_JVMTI |
| 0 | 3953 ResourceMark rm(THREAD); |
|
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diff
changeset
|
3954 Method* method; |
| 0 | 3955 int name_len = name->utf8_length(); |
| 3956 char* name_str = name->as_utf8(); | |
| 3957 int prefix_count; | |
| 3958 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3959 for (int i = 0; i < prefix_count; i++) { | |
| 3960 char* prefix = prefixes[i]; | |
| 3961 int prefix_len = (int)strlen(prefix); | |
| 3962 | |
| 3963 // try adding this prefix to the method name and see if it matches another method name | |
| 3964 int trial_len = name_len + prefix_len; | |
| 3965 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3966 strcpy(trial_name_str, prefix); | |
| 3967 strcat(trial_name_str, name_str); | |
|
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parents:
1989
diff
changeset
|
3968 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
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1989
diff
changeset
|
3969 if (trial_name == NULL) { |
| 0 | 3970 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3971 } | |
| 6983 | 3972 method = k()->lookup_method(trial_name, signature); |
| 0 | 3973 if (method == NULL) { |
| 3974 continue; // signature doesn't match, try the next prefix | |
| 3975 } | |
| 3976 if (method->is_native()) { | |
| 3977 method->set_is_prefixed_native(); | |
| 3978 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3979 } | |
| 3980 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3981 name_len = trial_len; | |
| 3982 name_str = trial_name_str; | |
| 3983 } | |
|
6854
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6725
diff
changeset
|
3984 #endif // INCLUDE_JVMTI |
| 0 | 3985 return NULL; // not found |
| 3986 } | |
| 3987 | |
|
2177
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coleenp
parents:
1989
diff
changeset
|
3988 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3989 Method* method = k()->lookup_method(name, signature); |
| 0 | 3990 if (method == NULL) { |
| 3991 ResourceMark rm; | |
| 3992 stringStream st; | |
| 3993 st.print("Method %s name or signature does not match", | |
| 6983 | 3994 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3995 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3996 } | |
| 3997 if (!method->is_native()) { | |
| 3998 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 3999 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4000 if (method == NULL) { | |
| 4001 ResourceMark rm; | |
| 4002 stringStream st; | |
| 4003 st.print("Method %s is not declared as native", | |
| 6983 | 4004 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4005 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4006 } | |
| 4007 } | |
| 4008 | |
| 4009 if (entry != NULL) { | |
| 4010 method->set_native_function(entry, | |
|
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6197
diff
changeset
|
4011 Method::native_bind_event_is_interesting); |
| 0 | 4012 } else { |
| 4013 method->clear_native_function(); | |
| 4014 } | |
| 4015 if (PrintJNIResolving) { | |
| 4016 ResourceMark rm(THREAD); | |
| 4017 tty->print_cr("[Registering JNI native method %s.%s]", | |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6856
diff
changeset
|
4018 method->method_holder()->external_name(), |
| 0 | 4019 method->name()->as_C_string()); |
| 4020 } | |
| 4021 return true; | |
| 4022 } | |
| 4023 | |
| 4006 | 4024 #ifndef USDT2 |
| 0 | 4025 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4026 #else /* USDT2 */ |
| 4027 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4028 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4029 #endif /* USDT2 */ | |
| 0 | 4030 |
| 4031 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4032 const JNINativeMethod *methods, | |
| 4033 jint nMethods)) | |
| 4034 JNIWrapper("RegisterNatives"); | |
| 4006 | 4035 #ifndef USDT2 |
| 0 | 4036 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4037 #else /* USDT2 */ |
| 4038 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4039 env, clazz, (void *) methods, nMethods); | |
| 4040 #endif /* USDT2 */ | |
| 0 | 4041 jint ret = 0; |
| 4042 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4043 | |
|
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|
4044 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4045 |
| 4046 for (int index = 0; index < nMethods; index++) { | |
| 4047 const char* meth_name = methods[index].name; | |
| 4048 const char* meth_sig = methods[index].signature; | |
| 4049 int meth_name_len = (int)strlen(meth_name); | |
| 4050 | |
| 4051 // The class should have been loaded (we have an instance of the class | |
| 4052 // passed in) so the method and signature should already be in the symbol | |
| 4053 // table. If they're not there, the method doesn't exist. | |
|
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diff
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|
4054 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
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diff
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|
4055 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
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|
4056 |
|
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|
4057 if (name == NULL || signature == NULL) { |
| 0 | 4058 ResourceMark rm; |
| 4059 stringStream st; | |
| 6983 | 4060 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4061 // Must return negative value on failure |
| 4062 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4063 } | |
| 4064 | |
| 4065 bool res = register_native(h_k, name, signature, | |
| 4066 (address) methods[index].fnPtr, THREAD); | |
| 4067 if (!res) { | |
| 4068 ret = -1; | |
| 4069 break; | |
| 4070 } | |
| 4071 } | |
| 4072 return ret; | |
| 4073 JNI_END | |
| 4074 | |
| 4075 | |
| 4076 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4077 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4078 #ifndef USDT2 |
| 0 | 4079 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4080 #else /* USDT2 */ |
| 4081 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4082 env, clazz); | |
| 4083 #endif /* USDT2 */ | |
|
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|
4084 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4085 //%note jni_2 |
| 6983 | 4086 if (k->oop_is_instance()) { |
|
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|
4087 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
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|
4088 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4089 if (m->is_native()) { |
| 4090 m->clear_native_function(); | |
| 4091 m->set_signature_handler(NULL); | |
| 4092 } | |
| 4093 } | |
| 4094 } | |
| 4006 | 4095 #ifndef USDT2 |
| 0 | 4096 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4097 #else /* USDT2 */ |
| 4098 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4099 0); | |
| 4100 #endif /* USDT2 */ | |
| 0 | 4101 return 0; |
| 4102 JNI_END | |
| 4103 | |
| 4104 // | |
| 4105 // Monitor functions | |
| 4106 // | |
| 4107 | |
| 4006 | 4108 #ifndef USDT2 |
| 0 | 4109 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4110 #else /* USDT2 */ |
| 4111 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4112 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4113 #endif /* USDT2 */ | |
| 0 | 4114 |
| 4115 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4116 #ifndef USDT2 |
| 0 | 4117 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4118 #else /* USDT2 */ |
| 4119 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4120 env, jobj); | |
| 4121 #endif /* USDT2 */ | |
| 0 | 4122 jint ret = JNI_ERR; |
| 4123 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4124 | |
| 4125 // If the object is null, we can't do anything with it | |
| 4126 if (jobj == NULL) { | |
| 4127 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4128 } | |
| 4129 | |
| 4130 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4131 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4132 ret = JNI_OK; | |
| 4133 return ret; | |
| 4134 JNI_END | |
| 4135 | |
| 4006 | 4136 #ifndef USDT2 |
| 0 | 4137 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4138 #else /* USDT2 */ |
| 4139 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4140 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4141 #endif /* USDT2 */ | |
| 0 | 4142 |
| 4143 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4144 #ifndef USDT2 |
| 0 | 4145 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4146 #else /* USDT2 */ |
| 4147 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4148 env, jobj); | |
| 4149 #endif /* USDT2 */ | |
| 0 | 4150 jint ret = JNI_ERR; |
| 4151 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4152 | |
| 4153 // Don't do anything with a null object | |
| 4154 if (jobj == NULL) { | |
| 4155 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4156 } | |
| 4157 | |
| 4158 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4159 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4160 | |
| 4161 ret = JNI_OK; | |
| 4162 return ret; | |
| 4163 JNI_END | |
| 4164 | |
| 4165 // | |
| 4166 // Extensions | |
| 4167 // | |
| 4168 | |
| 4006 | 4169 #ifndef USDT2 |
| 0 | 4170 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4171 #else /* USDT2 */ |
| 4172 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4173 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4174 #endif /* USDT2 */ | |
| 0 | 4175 |
| 4176 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4177 JNIWrapper("GetStringRegion"); | |
| 4006 | 4178 #ifndef USDT2 |
| 0 | 4179 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4180 #else /* USDT2 */ |
| 4181 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4182 env, string, start, len, buf); | |
| 4183 #endif /* USDT2 */ | |
| 0 | 4184 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4185 oop s = JNIHandles::resolve_non_null(string); | |
| 4186 int s_len = java_lang_String::length(s); | |
| 4187 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4188 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4189 } else { | |
| 4190 if (len > 0) { | |
| 4191 int s_offset = java_lang_String::offset(s); | |
| 4192 typeArrayOop s_value = java_lang_String::value(s); | |
| 4193 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4194 } | |
| 4195 } | |
| 4196 JNI_END | |
| 4197 | |
| 4006 | 4198 #ifndef USDT2 |
| 0 | 4199 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4200 #else /* USDT2 */ |
| 4201 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4202 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4203 #endif /* USDT2 */ | |
| 0 | 4204 |
| 4205 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4206 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4207 #ifndef USDT2 |
| 0 | 4208 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4209 #else /* USDT2 */ |
| 4210 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4211 env, string, start, len, buf); | |
| 4212 #endif /* USDT2 */ | |
| 0 | 4213 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4214 oop s = JNIHandles::resolve_non_null(string); | |
| 4215 int s_len = java_lang_String::length(s); | |
| 4216 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4217 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4218 } else { | |
| 4219 //%note jni_7 | |
| 4220 if (len > 0) { | |
| 4221 ResourceMark rm(THREAD); | |
| 4222 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4223 int utf_len = (int)strlen(utf_region); | |
| 4224 memcpy(buf, utf_region, utf_len); | |
| 4225 buf[utf_len] = 0; | |
| 4226 } else { | |
| 4227 // JDK null-terminates the buffer even in len is zero | |
| 4228 if (buf != NULL) { | |
| 4229 buf[0] = 0; | |
| 4230 } | |
| 4231 } | |
| 4232 } | |
| 4233 JNI_END | |
| 4234 | |
| 4235 | |
| 4236 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4237 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4238 #ifndef USDT2 |
| 0 | 4239 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4240 #else /* USDT2 */ |
| 4241 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4242 env, array, (uintptr_t *) isCopy); | |
| 4243 #endif /* USDT2 */ | |
| 0 | 4244 GC_locker::lock_critical(thread); |
| 4245 if (isCopy != NULL) { | |
| 4246 *isCopy = JNI_FALSE; | |
| 4247 } | |
| 4248 oop a = JNIHandles::resolve_non_null(array); | |
| 4249 assert(a->is_array(), "just checking"); | |
| 4250 BasicType type; | |
| 4251 if (a->is_objArray()) { | |
| 4252 type = T_OBJECT; | |
| 4253 } else { | |
|
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diff
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|
4254 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4255 } |
| 4256 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4257 #ifndef USDT2 |
| 0 | 4258 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4259 #else /* USDT2 */ |
| 4260 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4261 ret); | |
| 4262 #endif /* USDT2 */ | |
| 0 | 4263 return ret; |
| 4264 JNI_END | |
| 4265 | |
| 4266 | |
| 4267 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4268 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4269 #ifndef USDT2 |
| 0 | 4270 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4271 #else /* USDT2 */ |
| 4272 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4273 env, array, carray, mode); | |
| 4274 #endif /* USDT2 */ | |
| 0 | 4275 // The array, carray and mode arguments are ignored |
| 4276 GC_locker::unlock_critical(thread); | |
| 4006 | 4277 #ifndef USDT2 |
| 0 | 4278 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4279 #else /* USDT2 */ |
| 4280 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4281 ); | |
| 4282 #endif /* USDT2 */ | |
| 0 | 4283 JNI_END |
| 4284 | |
| 4285 | |
| 4286 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4287 JNIWrapper("GetStringCritical"); | |
| 4006 | 4288 #ifndef USDT2 |
| 0 | 4289 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4290 #else /* USDT2 */ |
| 4291 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4292 env, string, (uintptr_t *) isCopy); | |
| 4293 #endif /* USDT2 */ | |
| 0 | 4294 GC_locker::lock_critical(thread); |
| 4295 if (isCopy != NULL) { | |
| 4296 *isCopy = JNI_FALSE; | |
| 4297 } | |
| 4298 oop s = JNIHandles::resolve_non_null(string); | |
| 4299 int s_len = java_lang_String::length(s); | |
| 4300 typeArrayOop s_value = java_lang_String::value(s); | |
| 4301 int s_offset = java_lang_String::offset(s); | |
| 4302 const jchar* ret; | |
| 4303 if (s_len > 0) { | |
| 4304 ret = s_value->char_at_addr(s_offset); | |
| 4305 } else { | |
| 4306 ret = (jchar*) s_value->base(T_CHAR); | |
| 4307 } | |
| 4006 | 4308 #ifndef USDT2 |
| 0 | 4309 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4310 #else /* USDT2 */ |
| 4311 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4312 (uint16_t *) ret); | |
| 4313 #endif /* USDT2 */ | |
| 0 | 4314 return ret; |
| 4315 JNI_END | |
| 4316 | |
| 4317 | |
| 4318 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4319 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4320 #ifndef USDT2 |
| 0 | 4321 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4322 #else /* USDT2 */ |
| 4323 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4324 env, str, (uint16_t *) chars); | |
| 4325 #endif /* USDT2 */ | |
| 0 | 4326 // The str and chars arguments are ignored |
| 4327 GC_locker::unlock_critical(thread); | |
| 4006 | 4328 #ifndef USDT2 |
| 0 | 4329 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4330 #else /* USDT2 */ |
| 4331 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4332 ); | |
| 4333 #endif /* USDT2 */ | |
| 0 | 4334 JNI_END |
| 4335 | |
| 4336 | |
| 4337 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4338 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4339 #ifndef USDT2 |
| 0 | 4340 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4341 #else /* USDT2 */ |
| 4342 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4343 env, ref); | |
| 4344 #endif /* USDT2 */ | |
| 0 | 4345 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4346 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4347 #ifndef USDT2 |
| 0 | 4348 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4349 #else /* USDT2 */ |
| 4350 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4351 ret); | |
| 4352 #endif /* USDT2 */ | |
| 0 | 4353 return ret; |
| 4354 JNI_END | |
| 4355 | |
| 4356 // Must be JNI_ENTRY (with HandleMark) | |
| 4357 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4358 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4359 #ifndef USDT2 |
| 0 | 4360 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4361 #else /* USDT2 */ |
| 4362 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4363 env, ref); | |
| 4364 #endif /* USDT2 */ | |
| 0 | 4365 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4366 #ifndef USDT2 |
| 0 | 4367 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4368 #else /* USDT2 */ |
| 4369 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4370 ); | |
| 4371 #endif /* USDT2 */ | |
| 0 | 4372 JNI_END |
| 4373 | |
| 4374 | |
| 4375 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4376 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4377 #ifndef USDT2 |
| 0 | 4378 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4379 #else /* USDT2 */ |
| 4380 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4381 env); | |
| 4382 #endif /* USDT2 */ | |
| 0 | 4383 jni_check_async_exceptions(thread); |
| 4384 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4385 #ifndef USDT2 |
| 0 | 4386 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4387 #else /* USDT2 */ |
| 4388 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4389 ret); | |
| 4390 #endif /* USDT2 */ | |
| 0 | 4391 return ret; |
| 4392 JNI_END | |
| 4393 | |
| 4394 | |
| 4395 // Initialization state for three routines below relating to | |
| 4396 // java.nio.DirectBuffers | |
| 4397 static jint directBufferSupportInitializeStarted = 0; | |
| 4398 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4399 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4400 static jclass bufferClass = NULL; | |
| 4401 static jclass directBufferClass = NULL; | |
| 4402 static jclass directByteBufferClass = NULL; | |
| 4403 static jmethodID directByteBufferConstructor = NULL; | |
| 4404 static jfieldID directBufferAddressField = NULL; | |
| 4405 static jfieldID bufferCapacityField = NULL; | |
| 4406 | |
| 4407 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4408 Handle loader; // null (bootstrap) loader | |
| 4409 Handle protection_domain; // null protection domain | |
| 4410 | |
|
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|
4411 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
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|
4412 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
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|
4413 |
|
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diff
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|
4414 if (TraceClassResolution && result != NULL) { |
|
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|
4415 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
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|
4416 } |
|
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|
4417 return result; |
| 0 | 4418 } |
| 4419 | |
| 4420 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4421 // circumvent any security checks that would be done by jni_FindClass. | |
| 4422 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4423 { | |
| 4424 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4425 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4426 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4427 return true; | |
| 4428 } | |
| 4429 JNI_END | |
| 4430 | |
| 4431 | |
| 4432 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4433 if (directBufferSupportInitializeFailed) { | |
| 4434 return false; | |
| 4435 } | |
| 4436 | |
| 4437 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4438 if (!lookupDirectBufferClasses(env)) { | |
| 4439 directBufferSupportInitializeFailed = 1; | |
| 4440 return false; | |
| 4441 } | |
| 4442 | |
| 4443 // Make global references for these | |
| 4444 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4445 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4446 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4447 | |
| 4448 // Get needed field and method IDs | |
| 4449 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4450 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4451 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4452 | |
| 4453 if ((directByteBufferConstructor == NULL) || | |
| 4454 (directBufferAddressField == NULL) || | |
| 4455 (bufferCapacityField == NULL)) { | |
| 4456 directBufferSupportInitializeFailed = 1; | |
| 4457 return false; | |
| 4458 } | |
| 4459 | |
| 4460 directBufferSupportInitializeEnded = 1; | |
| 4461 } else { | |
| 4462 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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parents:
477
diff
changeset
|
4463 // Set state as yield_all can call os:sleep. On Solaris, yield_all calls |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4464 // os::sleep which requires the VM state transition. On other platforms, it |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4465 // is not necessary. The following call to change the VM state is purposely |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4466 // put inside the loop to avoid potential deadlock when multiple threads |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4467 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
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parents:
477
diff
changeset
|
4468 ThreadInVMfromNative tivn(thread); |
| 0 | 4469 os::yield_all(); |
| 4470 } | |
| 4471 } | |
| 4472 | |
| 4473 return !directBufferSupportInitializeFailed; | |
| 4474 } | |
| 4475 | |
| 4476 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4477 { | |
| 4478 // thread_from_jni_environment() will block if VM is gone. | |
| 4479 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4480 | |
| 4481 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4482 #ifndef USDT2 |
| 0 | 4483 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4484 #else /* USDT2 */ |
| 4485 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4486 env, address, capacity); | |
| 4487 #endif /* USDT2 */ | |
| 0 | 4488 |
| 4489 if (!directBufferSupportInitializeEnded) { | |
| 4490 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4491 #ifndef USDT2 |
| 0 | 4492 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4493 #else /* USDT2 */ |
| 4494 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4495 NULL); | |
| 4496 #endif /* USDT2 */ | |
| 0 | 4497 return NULL; |
| 4498 } | |
| 4499 } | |
| 4500 | |
| 4501 // Being paranoid about accidental sign extension on address | |
| 4502 jlong addr = (jlong) ((uintptr_t) address); | |
| 4503 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4504 // takes int capacity | |
| 4505 jint cap = (jint) capacity; | |
| 4506 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4507 #ifndef USDT2 |
| 0 | 4508 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4509 #else /* USDT2 */ |
| 4510 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4511 ret); | |
| 4512 #endif /* USDT2 */ | |
| 0 | 4513 return ret; |
| 4514 } | |
| 4515 | |
| 4006 | 4516 #ifndef USDT2 |
| 0 | 4517 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4518 #else /* USDT2 */ |
| 4519 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4520 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4521 #endif /* USDT2 */ | |
| 0 | 4522 |
| 4523 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4524 { | |
| 4525 // thread_from_jni_environment() will block if VM is gone. | |
| 4526 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4527 | |
| 4528 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4529 #ifndef USDT2 |
| 0 | 4530 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4531 #else /* USDT2 */ |
| 4532 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4533 env, buf); | |
| 4534 #endif /* USDT2 */ | |
| 0 | 4535 void* ret = NULL; |
| 4536 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4537 | |
| 4538 if (!directBufferSupportInitializeEnded) { | |
| 4539 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4540 return 0; | |
| 4541 } | |
| 4542 } | |
| 4543 | |
| 4544 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4545 return 0; | |
| 4546 } | |
| 4547 | |
| 4548 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4549 return ret; | |
| 4550 } | |
| 4551 | |
| 4006 | 4552 #ifndef USDT2 |
| 0 | 4553 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4554 #else /* USDT2 */ |
| 4555 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4556 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4557 #endif /* USDT2 */ | |
| 0 | 4558 |
| 4559 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4560 { | |
| 4561 // thread_from_jni_environment() will block if VM is gone. | |
| 4562 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4563 | |
| 4564 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4565 #ifndef USDT2 |
| 0 | 4566 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4567 #else /* USDT2 */ |
| 4568 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4569 env, buf); | |
| 4570 #endif /* USDT2 */ | |
| 0 | 4571 jlong ret = -1; |
| 4572 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4573 | |
| 4574 if (!directBufferSupportInitializeEnded) { | |
| 4575 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4576 ret = 0; | |
| 4577 return ret; | |
| 4578 } | |
| 4579 } | |
| 4580 | |
| 4581 if (buf == NULL) { | |
| 4582 return -1; | |
| 4583 } | |
| 4584 | |
| 4585 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4586 return -1; | |
| 4587 } | |
| 4588 | |
| 4589 // NOTE that capacity is currently an int in the implementation | |
| 4590 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4591 return ret; | |
| 4592 } | |
| 4593 | |
| 4594 | |
| 4595 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4596 JNIWrapper("GetVersion"); | |
| 4006 | 4597 #ifndef USDT2 |
| 0 | 4598 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4599 #else /* USDT2 */ |
| 4600 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4601 env); | |
| 4602 #endif /* USDT2 */ | |
| 4603 #ifndef USDT2 | |
| 0 | 4604 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4605 #else /* USDT2 */ |
| 4606 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4607 CurrentVersion); | |
| 4608 #endif /* USDT2 */ | |
| 0 | 4609 return CurrentVersion; |
| 4610 JNI_END | |
| 4611 | |
| 4612 extern struct JavaVM_ main_vm; | |
| 4613 | |
| 4614 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4615 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4616 #ifndef USDT2 |
| 0 | 4617 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4618 #else /* USDT2 */ |
| 4619 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4620 env, (void **) vm); | |
| 4621 #endif /* USDT2 */ | |
| 0 | 4622 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4623 #ifndef USDT2 |
| 0 | 4624 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4625 #else /* USDT2 */ |
| 4626 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4627 JNI_OK); | |
| 4628 #endif /* USDT2 */ | |
| 0 | 4629 return JNI_OK; |
| 4630 JNI_END | |
| 4631 | |
| 4632 // Structure containing all jni functions | |
| 4633 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4634 NULL, | |
| 4635 NULL, | |
| 4636 NULL, | |
| 4637 | |
| 4638 NULL, | |
| 4639 | |
| 4640 jni_GetVersion, | |
| 4641 | |
| 4642 jni_DefineClass, | |
| 4643 jni_FindClass, | |
| 4644 | |
| 4645 jni_FromReflectedMethod, | |
| 4646 jni_FromReflectedField, | |
| 4647 | |
| 4648 jni_ToReflectedMethod, | |
| 4649 | |
| 4650 jni_GetSuperclass, | |
| 4651 jni_IsAssignableFrom, | |
| 4652 | |
| 4653 jni_ToReflectedField, | |
| 4654 | |
| 4655 jni_Throw, | |
| 4656 jni_ThrowNew, | |
| 4657 jni_ExceptionOccurred, | |
| 4658 jni_ExceptionDescribe, | |
| 4659 jni_ExceptionClear, | |
| 4660 jni_FatalError, | |
| 4661 | |
| 4662 jni_PushLocalFrame, | |
| 4663 jni_PopLocalFrame, | |
| 4664 | |
| 4665 jni_NewGlobalRef, | |
| 4666 jni_DeleteGlobalRef, | |
| 4667 jni_DeleteLocalRef, | |
| 4668 jni_IsSameObject, | |
| 4669 | |
| 4670 jni_NewLocalRef, | |
| 4671 jni_EnsureLocalCapacity, | |
| 4672 | |
| 4673 jni_AllocObject, | |
| 4674 jni_NewObject, | |
| 4675 jni_NewObjectV, | |
| 4676 jni_NewObjectA, | |
| 4677 | |
| 4678 jni_GetObjectClass, | |
| 4679 jni_IsInstanceOf, | |
| 4680 | |
| 4681 jni_GetMethodID, | |
| 4682 | |
| 4683 jni_CallObjectMethod, | |
| 4684 jni_CallObjectMethodV, | |
| 4685 jni_CallObjectMethodA, | |
| 4686 jni_CallBooleanMethod, | |
| 4687 jni_CallBooleanMethodV, | |
| 4688 jni_CallBooleanMethodA, | |
| 4689 jni_CallByteMethod, | |
| 4690 jni_CallByteMethodV, | |
| 4691 jni_CallByteMethodA, | |
| 4692 jni_CallCharMethod, | |
| 4693 jni_CallCharMethodV, | |
| 4694 jni_CallCharMethodA, | |
| 4695 jni_CallShortMethod, | |
| 4696 jni_CallShortMethodV, | |
| 4697 jni_CallShortMethodA, | |
| 4698 jni_CallIntMethod, | |
| 4699 jni_CallIntMethodV, | |
| 4700 jni_CallIntMethodA, | |
| 4701 jni_CallLongMethod, | |
| 4702 jni_CallLongMethodV, | |
| 4703 jni_CallLongMethodA, | |
| 4704 jni_CallFloatMethod, | |
| 4705 jni_CallFloatMethodV, | |
| 4706 jni_CallFloatMethodA, | |
| 4707 jni_CallDoubleMethod, | |
| 4708 jni_CallDoubleMethodV, | |
| 4709 jni_CallDoubleMethodA, | |
| 4710 jni_CallVoidMethod, | |
| 4711 jni_CallVoidMethodV, | |
| 4712 jni_CallVoidMethodA, | |
| 4713 | |
| 4714 jni_CallNonvirtualObjectMethod, | |
| 4715 jni_CallNonvirtualObjectMethodV, | |
| 4716 jni_CallNonvirtualObjectMethodA, | |
| 4717 jni_CallNonvirtualBooleanMethod, | |
| 4718 jni_CallNonvirtualBooleanMethodV, | |
| 4719 jni_CallNonvirtualBooleanMethodA, | |
| 4720 jni_CallNonvirtualByteMethod, | |
| 4721 jni_CallNonvirtualByteMethodV, | |
| 4722 jni_CallNonvirtualByteMethodA, | |
| 4723 jni_CallNonvirtualCharMethod, | |
| 4724 jni_CallNonvirtualCharMethodV, | |
| 4725 jni_CallNonvirtualCharMethodA, | |
| 4726 jni_CallNonvirtualShortMethod, | |
| 4727 jni_CallNonvirtualShortMethodV, | |
| 4728 jni_CallNonvirtualShortMethodA, | |
| 4729 jni_CallNonvirtualIntMethod, | |
| 4730 jni_CallNonvirtualIntMethodV, | |
| 4731 jni_CallNonvirtualIntMethodA, | |
| 4732 jni_CallNonvirtualLongMethod, | |
| 4733 jni_CallNonvirtualLongMethodV, | |
| 4734 jni_CallNonvirtualLongMethodA, | |
| 4735 jni_CallNonvirtualFloatMethod, | |
| 4736 jni_CallNonvirtualFloatMethodV, | |
| 4737 jni_CallNonvirtualFloatMethodA, | |
| 4738 jni_CallNonvirtualDoubleMethod, | |
| 4739 jni_CallNonvirtualDoubleMethodV, | |
| 4740 jni_CallNonvirtualDoubleMethodA, | |
| 4741 jni_CallNonvirtualVoidMethod, | |
| 4742 jni_CallNonvirtualVoidMethodV, | |
| 4743 jni_CallNonvirtualVoidMethodA, | |
| 4744 | |
| 4745 jni_GetFieldID, | |
| 4746 | |
| 4747 jni_GetObjectField, | |
| 4748 jni_GetBooleanField, | |
| 4749 jni_GetByteField, | |
| 4750 jni_GetCharField, | |
| 4751 jni_GetShortField, | |
| 4752 jni_GetIntField, | |
| 4753 jni_GetLongField, | |
| 4754 jni_GetFloatField, | |
| 4755 jni_GetDoubleField, | |
| 4756 | |
| 4757 jni_SetObjectField, | |
| 4758 jni_SetBooleanField, | |
| 4759 jni_SetByteField, | |
| 4760 jni_SetCharField, | |
| 4761 jni_SetShortField, | |
| 4762 jni_SetIntField, | |
| 4763 jni_SetLongField, | |
| 4764 jni_SetFloatField, | |
| 4765 jni_SetDoubleField, | |
| 4766 | |
| 4767 jni_GetStaticMethodID, | |
| 4768 | |
| 4769 jni_CallStaticObjectMethod, | |
| 4770 jni_CallStaticObjectMethodV, | |
| 4771 jni_CallStaticObjectMethodA, | |
| 4772 jni_CallStaticBooleanMethod, | |
| 4773 jni_CallStaticBooleanMethodV, | |
| 4774 jni_CallStaticBooleanMethodA, | |
| 4775 jni_CallStaticByteMethod, | |
| 4776 jni_CallStaticByteMethodV, | |
| 4777 jni_CallStaticByteMethodA, | |
| 4778 jni_CallStaticCharMethod, | |
| 4779 jni_CallStaticCharMethodV, | |
| 4780 jni_CallStaticCharMethodA, | |
| 4781 jni_CallStaticShortMethod, | |
| 4782 jni_CallStaticShortMethodV, | |
| 4783 jni_CallStaticShortMethodA, | |
| 4784 jni_CallStaticIntMethod, | |
| 4785 jni_CallStaticIntMethodV, | |
| 4786 jni_CallStaticIntMethodA, | |
| 4787 jni_CallStaticLongMethod, | |
| 4788 jni_CallStaticLongMethodV, | |
| 4789 jni_CallStaticLongMethodA, | |
| 4790 jni_CallStaticFloatMethod, | |
| 4791 jni_CallStaticFloatMethodV, | |
| 4792 jni_CallStaticFloatMethodA, | |
| 4793 jni_CallStaticDoubleMethod, | |
| 4794 jni_CallStaticDoubleMethodV, | |
| 4795 jni_CallStaticDoubleMethodA, | |
| 4796 jni_CallStaticVoidMethod, | |
| 4797 jni_CallStaticVoidMethodV, | |
| 4798 jni_CallStaticVoidMethodA, | |
| 4799 | |
| 4800 jni_GetStaticFieldID, | |
| 4801 | |
| 4802 jni_GetStaticObjectField, | |
| 4803 jni_GetStaticBooleanField, | |
| 4804 jni_GetStaticByteField, | |
| 4805 jni_GetStaticCharField, | |
| 4806 jni_GetStaticShortField, | |
| 4807 jni_GetStaticIntField, | |
| 4808 jni_GetStaticLongField, | |
| 4809 jni_GetStaticFloatField, | |
| 4810 jni_GetStaticDoubleField, | |
| 4811 | |
| 4812 jni_SetStaticObjectField, | |
| 4813 jni_SetStaticBooleanField, | |
| 4814 jni_SetStaticByteField, | |
| 4815 jni_SetStaticCharField, | |
| 4816 jni_SetStaticShortField, | |
| 4817 jni_SetStaticIntField, | |
| 4818 jni_SetStaticLongField, | |
| 4819 jni_SetStaticFloatField, | |
| 4820 jni_SetStaticDoubleField, | |
| 4821 | |
| 4822 jni_NewString, | |
| 4823 jni_GetStringLength, | |
| 4824 jni_GetStringChars, | |
| 4825 jni_ReleaseStringChars, | |
| 4826 | |
| 4827 jni_NewStringUTF, | |
| 4828 jni_GetStringUTFLength, | |
| 4829 jni_GetStringUTFChars, | |
| 4830 jni_ReleaseStringUTFChars, | |
| 4831 | |
| 4832 jni_GetArrayLength, | |
| 4833 | |
| 4834 jni_NewObjectArray, | |
| 4835 jni_GetObjectArrayElement, | |
| 4836 jni_SetObjectArrayElement, | |
| 4837 | |
| 4838 jni_NewBooleanArray, | |
| 4839 jni_NewByteArray, | |
| 4840 jni_NewCharArray, | |
| 4841 jni_NewShortArray, | |
| 4842 jni_NewIntArray, | |
| 4843 jni_NewLongArray, | |
| 4844 jni_NewFloatArray, | |
| 4845 jni_NewDoubleArray, | |
| 4846 | |
| 4847 jni_GetBooleanArrayElements, | |
| 4848 jni_GetByteArrayElements, | |
| 4849 jni_GetCharArrayElements, | |
| 4850 jni_GetShortArrayElements, | |
| 4851 jni_GetIntArrayElements, | |
| 4852 jni_GetLongArrayElements, | |
| 4853 jni_GetFloatArrayElements, | |
| 4854 jni_GetDoubleArrayElements, | |
| 4855 | |
| 4856 jni_ReleaseBooleanArrayElements, | |
| 4857 jni_ReleaseByteArrayElements, | |
| 4858 jni_ReleaseCharArrayElements, | |
| 4859 jni_ReleaseShortArrayElements, | |
| 4860 jni_ReleaseIntArrayElements, | |
| 4861 jni_ReleaseLongArrayElements, | |
| 4862 jni_ReleaseFloatArrayElements, | |
| 4863 jni_ReleaseDoubleArrayElements, | |
| 4864 | |
| 4865 jni_GetBooleanArrayRegion, | |
| 4866 jni_GetByteArrayRegion, | |
| 4867 jni_GetCharArrayRegion, | |
| 4868 jni_GetShortArrayRegion, | |
| 4869 jni_GetIntArrayRegion, | |
| 4870 jni_GetLongArrayRegion, | |
| 4871 jni_GetFloatArrayRegion, | |
| 4872 jni_GetDoubleArrayRegion, | |
| 4873 | |
| 4874 jni_SetBooleanArrayRegion, | |
| 4875 jni_SetByteArrayRegion, | |
| 4876 jni_SetCharArrayRegion, | |
| 4877 jni_SetShortArrayRegion, | |
| 4878 jni_SetIntArrayRegion, | |
| 4879 jni_SetLongArrayRegion, | |
| 4880 jni_SetFloatArrayRegion, | |
| 4881 jni_SetDoubleArrayRegion, | |
| 4882 | |
| 4883 jni_RegisterNatives, | |
| 4884 jni_UnregisterNatives, | |
| 4885 | |
| 4886 jni_MonitorEnter, | |
| 4887 jni_MonitorExit, | |
| 4888 | |
| 4889 jni_GetJavaVM, | |
| 4890 | |
| 4891 jni_GetStringRegion, | |
| 4892 jni_GetStringUTFRegion, | |
| 4893 | |
| 4894 jni_GetPrimitiveArrayCritical, | |
| 4895 jni_ReleasePrimitiveArrayCritical, | |
| 4896 | |
| 4897 jni_GetStringCritical, | |
| 4898 jni_ReleaseStringCritical, | |
| 4899 | |
| 4900 jni_NewWeakGlobalRef, | |
| 4901 jni_DeleteWeakGlobalRef, | |
| 4902 | |
| 4903 jni_ExceptionCheck, | |
| 4904 | |
| 4905 jni_NewDirectByteBuffer, | |
| 4906 jni_GetDirectBufferAddress, | |
| 4907 jni_GetDirectBufferCapacity, | |
| 4908 | |
| 4909 // New 1_6 features | |
| 4910 | |
| 4911 jni_GetObjectRefType | |
| 4912 }; | |
| 4913 | |
| 4914 | |
| 4915 // For jvmti use to modify jni function table. | |
| 4916 // Java threads in native contiues to run until it is transitioned | |
| 4917 // to VM at safepoint. Before the transition or before it is blocked | |
| 4918 // for safepoint it may access jni function table. VM could crash if | |
| 4919 // any java thread access the jni function table in the middle of memcpy. | |
| 4920 // To avoid this each function pointers are copied automically. | |
| 4921 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4922 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4923 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4924 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4925 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4926 Atomic::store_ptr(*b++, a++); | |
| 4927 } | |
| 4928 } | |
| 4929 | |
| 4930 void quicken_jni_functions() { | |
| 4931 // Replace Get<Primitive>Field with fast versions | |
| 4932 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4933 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4934 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4935 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4936 // versions currently isn't certain for server vm on uniprocessor. | |
| 4937 && os::is_MP() | |
| 4938 #endif | |
| 4939 ) { | |
| 4940 address func; | |
| 4941 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4942 if (func != (address)-1) { | |
| 4943 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4944 } | |
| 4945 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4946 if (func != (address)-1) { | |
| 4947 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4948 } | |
| 4949 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4950 if (func != (address)-1) { | |
| 4951 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4952 } | |
| 4953 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4954 if (func != (address)-1) { | |
| 4955 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4956 } | |
| 4957 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4958 if (func != (address)-1) { | |
| 4959 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4960 } | |
| 4961 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4962 if (func != (address)-1) { | |
| 4963 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4964 } | |
| 4965 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4966 if (func != (address)-1) { | |
| 4967 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4968 } | |
| 4969 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4970 if (func != (address)-1) { | |
| 4971 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4972 } | |
| 4973 } | |
| 4974 } | |
| 4975 | |
| 4976 // Returns the function structure | |
| 4977 struct JNINativeInterface_* jni_functions() { | |
|
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4978 #if INCLUDE_JNI_CHECK |
| 0 | 4979 if (CheckJNICalls) return jni_functions_check(); |
|
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|
4980 #endif // INCLUDE_JNI_CHECK |
| 0 | 4981 return &jni_NativeInterface; |
| 4982 } | |
| 4983 | |
| 4984 // Returns the function structure | |
| 4985 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4986 return &jni_NativeInterface; | |
| 4987 } | |
| 4988 | |
| 4989 | |
| 4990 // Invocation API | |
| 4991 | |
| 4992 | |
| 4993 // Forward declaration | |
| 4994 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4995 | |
| 4996 // Global invocation API vars | |
| 4997 volatile jint vm_created = 0; | |
| 4998 // Indicate whether it is safe to recreate VM | |
| 4999 volatile jint safe_to_recreate_vm = 1; | |
| 5000 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5001 | |
| 5002 | |
| 5003 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5004 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5005 | |
| 4006 | 5006 #ifndef USDT2 |
| 0 | 5007 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5008 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5009 #else /* USDT2 */ |
| 5010 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5011 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5012 #endif /* USDT2 */ | |
| 0 | 5013 |
| 5014 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5015 #ifndef USDT2 |
| 0 | 5016 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5017 #else /* USDT2 */ |
| 5018 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5019 args_); | |
| 5020 #endif /* USDT2 */ | |
| 0 | 5021 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5022 jint ret = JNI_ERR; | |
| 5023 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5024 | |
| 5025 if (Threads::is_supported_jni_version(args->version)) { | |
| 5026 ret = JNI_OK; | |
| 5027 } | |
| 5028 // 1.1 style no longer supported in hotspot. | |
| 5029 // According the JNI spec, we should update args->version on return. | |
| 5030 // We also use the structure to communicate with launcher about default | |
| 5031 // stack size. | |
| 5032 if (args->version == JNI_VERSION_1_1) { | |
| 5033 args->version = JNI_VERSION_1_2; | |
| 5034 // javaStackSize is int in arguments structure | |
| 5035 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5036 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5037 } | |
| 5038 return ret; | |
| 5039 } | |
| 5040 | |
| 3779 | 5041 #ifndef PRODUCT |
| 5042 | |
| 4708 | 5043 #include "gc_interface/collectedHeap.hpp" |
| 3779 | 5044 #include "utilities/quickSort.hpp" |
| 7171 | 5045 #if INCLUDE_VM_STRUCTS |
| 5046 #include "runtime/vmStructs.hpp" | |
| 5047 #endif | |
| 3779 | 5048 |
| 4708 | 5049 #define run_unit_test(unit_test_function_call) \ |
| 5050 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5051 unit_test_function_call | |
| 5052 | |
| 3779 | 5053 void execute_internal_vm_tests() { |
| 5054 if (ExecuteInternalVMTests) { | |
| 4708 | 5055 tty->print_cr("Running internal VM tests"); |
| 5056 run_unit_test(arrayOopDesc::test_max_array_length()); | |
| 5057 run_unit_test(CollectedHeap::test_is_in()); | |
| 5058 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5059 run_unit_test(AltHashing::test_alt_hash()); |
| 7171 | 5060 #if INCLUDE_VM_STRUCTS |
| 5061 run_unit_test(VMStructs::test()); | |
| 5062 #endif | |
|
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|
5063 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5064 } |
| 5065 } | |
| 5066 | |
| 4708 | 5067 #undef run_unit_test |
| 5068 | |
| 3779 | 5069 #endif |
| 5070 | |
| 4006 | 5071 #ifndef USDT2 |
| 0 | 5072 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5073 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5074 #else /* USDT2 */ |
| 5075 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5076 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5077 #endif /* USDT2 */ | |
| 0 | 5078 |
| 5079 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5080 #ifndef USDT2 |
| 0 | 5081 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5082 #else /* USDT2 */ |
| 5083 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5084 (void **) vm, penv, args); | |
| 5085 #endif /* USDT2 */ | |
| 0 | 5086 |
| 5087 jint result = JNI_ERR; | |
| 5088 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5089 | |
| 1078 | 5090 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5091 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5092 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5093 // on all architectures. So we check it works before relying on it. | |
| 5094 #if defined(ZERO) && defined(ASSERT) | |
| 5095 { | |
| 5096 jint a = 0xcafebabe; | |
| 5097 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5098 void *c = &a; | |
| 5099 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5100 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5101 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5102 } | |
| 5103 #endif // ZERO && ASSERT | |
| 5104 | |
| 0 | 5105 // At the moment it's only possible to have one Java VM, |
| 5106 // since some of the runtime state is in global variables. | |
| 5107 | |
| 5108 // We cannot use our mutex locks here, since they only work on | |
| 5109 // Threads. We do an atomic compare and exchange to ensure only | |
| 5110 // one thread can call this method at a time | |
| 5111 | |
| 5112 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5113 // the add/dec implementations are dependent on whether we are running | |
| 5114 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5115 // function used to determine this will always return false. Atomic::xchg | |
| 5116 // does not have this problem. | |
| 5117 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5118 return JNI_ERR; // already created, or create attempt in progress | |
| 5119 } | |
| 5120 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5121 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5122 } | |
| 5123 | |
| 5124 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5125 | |
| 5126 /** | |
| 5127 * Certain errors during initialization are recoverable and do not | |
| 5128 * prevent this method from being called again at a later time | |
| 5129 * (perhaps with different arguments). However, at a certain | |
| 5130 * point during initialization if an error occurs we cannot allow | |
| 5131 * this function to be called again (or it will crash). In those | |
| 5132 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5133 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5134 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5135 */ | |
| 5136 bool can_try_again = true; | |
| 5137 | |
| 5138 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5139 if (result == JNI_OK) { | |
| 5140 JavaThread *thread = JavaThread::current(); | |
| 5141 /* thread is thread_in_vm here */ | |
| 5142 *vm = (JavaVM *)(&main_vm); | |
| 5143 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5144 | |
| 5145 // Tracks the time application was running before GC | |
| 5146 RuntimeService::record_application_start(); | |
| 5147 | |
| 5148 // Notify JVMTI | |
| 5149 if (JvmtiExport::should_post_thread_life()) { | |
| 5150 JvmtiExport::post_thread_start(thread); | |
| 5151 } | |
|
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5152 |
|
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|
5153 EVENT_BEGIN(TraceEventThreadStart, event); |
|
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|
5154 EVENT_COMMIT(event, |
|
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|
5155 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
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|
5156 |
| 0 | 5157 // Check if we should compile all classes on bootclasspath |
| 5158 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
|
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|
5159 NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);) |
| 0 | 5160 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5161 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5162 } else { | |
| 5163 if (can_try_again) { | |
| 5164 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5165 safe_to_recreate_vm = 1; | |
| 5166 } | |
| 5167 | |
| 5168 // Creation failed. We must reset vm_created | |
| 5169 *vm = 0; | |
| 5170 *(JNIEnv**)penv = 0; | |
| 5171 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5172 // control both compiler and architectural-based reordering. | |
| 5173 OrderAccess::release_store(&vm_created, 0); | |
| 5174 } | |
| 5175 | |
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|
5176 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5177 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5178 return result; |
| 5179 } | |
| 5180 | |
| 4006 | 5181 #ifndef USDT2 |
| 0 | 5182 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5183 JavaVM**, jsize, jsize*); | |
| 5184 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5185 #endif /* !USDT2 */ |
| 0 | 5186 |
| 5187 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5188 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5189 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5190 #ifndef USDT2 |
| 0 | 5191 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5192 vm_buf, bufLen, numVMs); | |
| 4006 | 5193 #else /* USDT2 */ |
| 5194 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5195 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5196 #endif /* USDT2 */ | |
| 0 | 5197 if (vm_created) { |
| 5198 if (numVMs != NULL) *numVMs = 1; | |
| 5199 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5200 } else { | |
| 5201 if (numVMs != NULL) *numVMs = 0; | |
| 5202 } | |
| 4006 | 5203 #ifndef USDT2 |
| 0 | 5204 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5205 #else /* USDT2 */ |
| 5206 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5207 JNI_OK); | |
| 5208 #endif /* USDT2 */ | |
| 0 | 5209 return JNI_OK; |
| 5210 } | |
| 5211 | |
| 5212 extern "C" { | |
| 5213 | |
| 4006 | 5214 #ifndef USDT2 |
| 0 | 5215 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5216 #else /* USDT2 */ |
| 5217 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5218 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5219 #endif /* USDT2 */ | |
| 0 | 5220 |
| 5221 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5222 #ifndef USDT2 |
| 0 | 5223 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5224 #else /* USDT2 */ |
| 5225 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5226 vm); | |
| 5227 #endif /* USDT2 */ | |
| 0 | 5228 jint res = JNI_ERR; |
| 5229 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5230 | |
| 5231 if (!vm_created) { | |
| 5232 res = JNI_ERR; | |
| 5233 return res; | |
| 5234 } | |
| 5235 | |
| 5236 JNIWrapper("DestroyJavaVM"); | |
| 5237 JNIEnv *env; | |
| 5238 JavaVMAttachArgs destroyargs; | |
| 5239 destroyargs.version = CurrentVersion; | |
| 5240 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5241 destroyargs.group = NULL; | |
| 5242 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5243 if (res != JNI_OK) { | |
| 5244 return res; | |
| 5245 } | |
| 5246 | |
| 5247 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5248 JavaThread* thread = JavaThread::current(); | |
| 5249 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5250 if (Threads::destroy_vm()) { | |
| 5251 // Should not change thread state, VM is gone | |
| 5252 vm_created = false; | |
| 5253 res = JNI_OK; | |
| 5254 return res; | |
| 5255 } else { | |
| 5256 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5257 res = JNI_ERR; | |
| 5258 return res; | |
| 5259 } | |
| 5260 } | |
| 5261 | |
| 5262 | |
| 5263 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5264 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5265 | |
| 5266 // Check below commented out from JDK1.2fcs as well | |
| 5267 /* | |
| 5268 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5269 return JNI_EVERSION; | |
| 5270 } | |
| 5271 */ | |
| 5272 | |
| 5273 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5274 if (t != NULL) { | |
| 5275 // If the thread has been attached this operation is a no-op | |
| 5276 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5277 return JNI_OK; | |
| 5278 } | |
| 5279 | |
| 5280 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5281 // ThreadsListEnumerator - see CR 6404306 | |
| 5282 JavaThread* thread = new JavaThread(true); | |
| 5283 | |
| 5284 // Set correct safepoint info. The thread is going to call into Java when | |
| 5285 // initializing the Java level thread object. Hence, the correct state must | |
| 5286 // be set in order for the Safepoint code to deal with it correctly. | |
| 5287 thread->set_thread_state(_thread_in_vm); | |
| 5288 // Must do this before initialize_thread_local_storage | |
| 5289 thread->record_stack_base_and_size(); | |
|
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|
5290 |
| 0 | 5291 thread->initialize_thread_local_storage(); |
| 5292 | |
| 5293 if (!os::create_attached_thread(thread)) { | |
| 5294 delete thread; | |
| 5295 return JNI_ERR; | |
| 5296 } | |
|
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5297 // Enable stack overflow checks |
|
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|
5298 thread->create_stack_guard_pages(); |
|
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|
5299 |
| 0 | 5300 thread->initialize_tlab(); |
| 5301 | |
|
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5302 thread->cache_global_variables(); |
|
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|
5303 |
| 0 | 5304 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5305 // not been added to the Thread list yet. | |
| 5306 { Threads_lock->lock_without_safepoint_check(); | |
| 5307 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5308 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5309 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5310 Threads::add(thread, daemon); | |
| 5311 Threads_lock->unlock(); | |
| 5312 } | |
| 5313 // Create thread group and name info from attach arguments | |
| 5314 oop group = NULL; | |
| 5315 char* thread_name = NULL; | |
| 5316 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5317 group = JNIHandles::resolve(args->group); | |
| 5318 thread_name = args->name; // may be NULL | |
| 5319 } | |
| 5320 if (group == NULL) group = Universe::main_thread_group(); | |
| 5321 | |
| 5322 // Create Java level thread object and attach it to this thread | |
| 5323 bool attach_failed = false; | |
| 5324 { | |
| 5325 EXCEPTION_MARK; | |
| 5326 HandleMark hm(THREAD); | |
| 5327 Handle thread_group(THREAD, group); | |
| 5328 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5329 if (HAS_PENDING_EXCEPTION) { | |
| 5330 CLEAR_PENDING_EXCEPTION; | |
| 5331 // cleanup outside the handle mark. | |
| 5332 attach_failed = true; | |
| 5333 } | |
| 5334 } | |
| 5335 | |
| 5336 if (attach_failed) { | |
| 5337 // Added missing cleanup | |
| 5338 thread->cleanup_failed_attach_current_thread(); | |
| 5339 return JNI_ERR; | |
| 5340 } | |
| 5341 | |
| 5342 // mark the thread as no longer attaching | |
| 5343 // this uses a fence to push the change through so we don't have | |
| 5344 // to regrab the threads_lock | |
| 4006 | 5345 thread->set_done_attaching_via_jni(); |
| 0 | 5346 |
| 5347 // Set java thread status. | |
| 5348 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5349 java_lang_Thread::RUNNABLE); | |
| 5350 | |
| 5351 // Notify the debugger | |
| 5352 if (JvmtiExport::should_post_thread_life()) { | |
| 5353 JvmtiExport::post_thread_start(thread); | |
| 5354 } | |
| 5355 | |
|
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5356 EVENT_BEGIN(TraceEventThreadStart, event); |
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5357 EVENT_COMMIT(event, |
|
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5358 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
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5359 |
| 0 | 5360 *(JNIEnv**)penv = thread->jni_environment(); |
| 5361 | |
| 5362 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5363 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5364 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5365 // needed. | |
| 5366 | |
| 5367 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5368 | |
| 5369 // Perform any platform dependent FPU setup | |
| 5370 os::setup_fpu(); | |
| 5371 | |
| 5372 return JNI_OK; | |
| 5373 } | |
| 5374 | |
| 5375 | |
| 5376 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5377 #ifndef USDT2 |
| 0 | 5378 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5379 #else /* USDT2 */ |
| 5380 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5381 vm, penv, _args); | |
| 5382 #endif /* USDT2 */ | |
| 0 | 5383 if (!vm_created) { |
| 4006 | 5384 #ifndef USDT2 |
| 0 | 5385 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5386 #else /* USDT2 */ |
| 5387 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5388 (uint32_t) JNI_ERR); | |
| 5389 #endif /* USDT2 */ | |
| 0 | 5390 return JNI_ERR; |
| 5391 } | |
| 5392 | |
| 5393 JNIWrapper("AttachCurrentThread"); | |
| 5394 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5395 #ifndef USDT2 |
| 0 | 5396 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5397 #else /* USDT2 */ |
| 5398 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5399 ret); | |
| 5400 #endif /* USDT2 */ | |
| 0 | 5401 return ret; |
| 5402 } | |
| 5403 | |
| 5404 | |
| 5405 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5406 #ifndef USDT2 |
| 0 | 5407 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5408 #else /* USDT2 */ |
| 5409 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5410 vm); | |
| 5411 #endif /* USDT2 */ | |
| 0 | 5412 VM_Exit::block_if_vm_exited(); |
| 5413 | |
| 5414 JNIWrapper("DetachCurrentThread"); | |
| 5415 | |
| 5416 // If the thread has been deattacted the operations is a no-op | |
| 5417 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5418 #ifndef USDT2 |
| 0 | 5419 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5420 #else /* USDT2 */ |
| 5421 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5422 JNI_OK); | |
| 5423 #endif /* USDT2 */ | |
| 0 | 5424 return JNI_OK; |
| 5425 } | |
| 5426 | |
| 5427 JavaThread* thread = JavaThread::current(); | |
| 5428 if (thread->has_last_Java_frame()) { | |
| 4006 | 5429 #ifndef USDT2 |
| 0 | 5430 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5431 #else /* USDT2 */ |
| 5432 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5433 (uint32_t) JNI_ERR); | |
| 5434 #endif /* USDT2 */ | |
| 0 | 5435 // Can't detach a thread that's running java, that can't work. |
| 5436 return JNI_ERR; | |
| 5437 } | |
| 5438 | |
| 5439 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5440 // middel of a safepoint operation | |
| 5441 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5442 | |
| 5443 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5444 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5445 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5446 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5447 // the removal of the guards is buried below in JavaThread::exit() | |
| 5448 // here. The abstraction should be more symmetrically either exposed | |
| 5449 // or hidden (e.g. it could probably be hidden in the same | |
| 5450 // (platform-dependent) methods where we do alternate stack | |
| 5451 // maintenance work?) | |
| 5452 thread->exit(false, JavaThread::jni_detach); | |
| 5453 delete thread; | |
| 5454 | |
| 4006 | 5455 #ifndef USDT2 |
| 0 | 5456 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5457 #else /* USDT2 */ |
| 5458 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5459 JNI_OK); | |
| 5460 #endif /* USDT2 */ | |
| 0 | 5461 return JNI_OK; |
| 5462 } | |
| 5463 | |
| 4006 | 5464 #ifndef USDT2 |
| 0 | 5465 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5466 #else /* USDT2 */ |
| 5467 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5468 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5469 #endif /* USDT2 */ | |
| 0 | 5470 |
| 5471 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5472 #ifndef USDT2 |
| 0 | 5473 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5474 #else /* USDT2 */ |
| 5475 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5476 vm, penv, version); | |
| 5477 #endif /* USDT2 */ | |
| 0 | 5478 jint ret = JNI_ERR; |
| 5479 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5480 | |
| 5481 if (!vm_created) { | |
| 5482 *penv = NULL; | |
| 5483 ret = JNI_EDETACHED; | |
| 5484 return ret; | |
| 5485 } | |
| 5486 | |
|
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|
5487 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5488 return ret; |
| 5489 } | |
| 5490 | |
| 5491 #ifndef JVMPI_VERSION_1 | |
| 5492 // need these in order to be polite about older agents | |
| 5493 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5494 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5495 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5496 #endif // !JVMPI_VERSION_1 | |
| 5497 | |
| 5498 Thread* thread = ThreadLocalStorage::thread(); | |
| 5499 if (thread != NULL && thread->is_Java_thread()) { | |
| 5500 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5501 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5502 ret = JNI_OK; | |
| 5503 return ret; | |
| 5504 | |
| 5505 } else if (version == JVMPI_VERSION_1 || | |
| 5506 version == JVMPI_VERSION_1_1 || | |
| 5507 version == JVMPI_VERSION_1_2) { | |
| 5508 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5509 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5510 ret = JNI_EVERSION; | |
| 5511 return ret; | |
| 5512 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5513 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5514 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5515 ret = JNI_EVERSION; | |
| 5516 return ret; | |
| 5517 } else { | |
| 5518 *penv = NULL; | |
| 5519 ret = JNI_EVERSION; | |
| 5520 return ret; | |
| 5521 } | |
| 5522 } else { | |
| 5523 *penv = NULL; | |
| 5524 ret = JNI_EDETACHED; | |
| 5525 return ret; | |
| 5526 } | |
| 5527 } | |
| 5528 | |
| 5529 | |
| 5530 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5531 #ifndef USDT2 |
| 0 | 5532 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5533 #else /* USDT2 */ |
| 5534 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5535 vm, penv, _args); | |
| 5536 #endif /* USDT2 */ | |
| 0 | 5537 if (!vm_created) { |
| 4006 | 5538 #ifndef USDT2 |
| 0 | 5539 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5540 #else /* USDT2 */ |
| 5541 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5542 (uint32_t) JNI_ERR); | |
| 5543 #endif /* USDT2 */ | |
| 0 | 5544 return JNI_ERR; |
| 5545 } | |
| 5546 | |
| 5547 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5548 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5549 #ifndef USDT2 |
| 0 | 5550 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5551 #else /* USDT2 */ |
| 5552 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5553 ret); | |
| 5554 #endif /* USDT2 */ | |
| 0 | 5555 return ret; |
| 5556 } | |
| 5557 | |
| 5558 | |
| 5559 } // End extern "C" | |
| 5560 | |
| 5561 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5562 NULL, | |
| 5563 NULL, | |
| 5564 NULL, | |
| 5565 | |
| 5566 jni_DestroyJavaVM, | |
| 5567 jni_AttachCurrentThread, | |
| 5568 jni_DetachCurrentThread, | |
| 5569 jni_GetEnv, | |
| 5570 jni_AttachCurrentThreadAsDaemon | |
| 5571 }; |