Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 7100:35568cbc6a43
removed Graal specific initialization of the ciObjectFactory
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Thu, 29 Nov 2012 17:57:03 +0100 |
| parents | 263bc2349f15 |
| children | ce248dc0a656 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
6125
dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
fparain
parents:
4800
diff
changeset
|
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
|
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1490
diff
changeset
|
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1490
diff
changeset
|
21 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1490
diff
changeset
|
22 * questions. |
| 0 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
|
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
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" | |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4368
diff
changeset
|
35 #ifdef GRAAL |
|
2925
b78b4ae0757c
Also call Compiler shutdown hook in case of System.exit call. Draft VMExits.Sandbox class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2901
diff
changeset
|
36 #include "graal/graalCompiler.hpp" |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4368
diff
changeset
|
37 #endif |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
38 #ifndef SERIALGC |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
39 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
40 #endif // SERIALGC |
| 6197 | 41 #include "memory/allocation.hpp" |
| 1972 | 42 #include "memory/allocation.inline.hpp" |
| 43 #include "memory/gcLocker.inline.hpp" | |
| 44 #include "memory/oopFactory.hpp" | |
| 45 #include "memory/universe.inline.hpp" | |
| 46 #include "oops/instanceKlass.hpp" | |
| 47 #include "oops/instanceOop.hpp" | |
| 48 #include "oops/markOop.hpp" | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
49 #include "oops/method.hpp" |
| 1972 | 50 #include "oops/objArrayKlass.hpp" |
| 51 #include "oops/objArrayOop.hpp" | |
| 52 #include "oops/oop.inline.hpp" | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
53 #include "oops/symbol.hpp" |
| 1972 | 54 #include "oops/typeArrayKlass.hpp" |
| 55 #include "oops/typeArrayOop.hpp" | |
| 56 #include "prims/jni.h" | |
| 57 #include "prims/jniCheck.hpp" | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
58 #include "prims/jniExport.hpp" |
| 1972 | 59 #include "prims/jniFastGetField.hpp" |
| 60 #include "prims/jvm.h" | |
| 61 #include "prims/jvm_misc.hpp" | |
| 62 #include "prims/jvmtiExport.hpp" | |
| 63 #include "prims/jvmtiThreadState.hpp" | |
| 64 #include "runtime/compilationPolicy.hpp" | |
| 65 #include "runtime/fieldDescriptor.hpp" | |
| 66 #include "runtime/fprofiler.hpp" | |
| 67 #include "runtime/handles.inline.hpp" | |
| 68 #include "runtime/interfaceSupport.hpp" | |
| 69 #include "runtime/java.hpp" | |
| 70 #include "runtime/javaCalls.hpp" | |
| 71 #include "runtime/jfieldIDWorkaround.hpp" | |
| 72 #include "runtime/reflection.hpp" | |
| 73 #include "runtime/sharedRuntime.hpp" | |
| 74 #include "runtime/signature.hpp" | |
| 75 #include "runtime/vm_operations.hpp" | |
| 76 #include "services/runtimeService.hpp" | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
77 #include "trace/tracing.hpp" |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
78 #include "trace/traceEventTypes.hpp" |
| 1972 | 79 #include "utilities/defaultStream.hpp" |
| 80 #include "utilities/dtrace.hpp" | |
| 81 #include "utilities/events.hpp" | |
| 82 #include "utilities/histogram.hpp" | |
| 83 #ifdef TARGET_OS_FAMILY_linux | |
| 84 # include "os_linux.inline.hpp" | |
| 85 # include "thread_linux.inline.hpp" | |
| 86 #endif | |
| 87 #ifdef TARGET_OS_FAMILY_solaris | |
| 88 # include "os_solaris.inline.hpp" | |
| 89 # include "thread_solaris.inline.hpp" | |
| 90 #endif | |
| 91 #ifdef TARGET_OS_FAMILY_windows | |
| 92 # include "os_windows.inline.hpp" | |
| 93 # include "thread_windows.inline.hpp" | |
| 94 #endif | |
| 3960 | 95 #ifdef TARGET_OS_FAMILY_bsd |
| 96 # include "os_bsd.inline.hpp" | |
| 97 # include "thread_bsd.inline.hpp" | |
| 98 #endif | |
| 0 | 99 |
| 100 static jint CurrentVersion = JNI_VERSION_1_6; | |
| 101 | |
| 102 | |
| 103 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 104 // '-return' probe regardless of the return path is taken out of the function. | |
| 105 // Methods that have multiple return paths use this to avoid having to | |
| 106 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 107 // since those macros can cause an immedate uninstrumented return. | |
| 108 // | |
| 109 // In order to get the return value, a reference to the variable containing | |
| 110 // the return value must be passed to the contructor of the object, and | |
| 111 // the return value must be set before return (since the mark object has | |
| 112 // a reference to it). | |
| 113 // | |
| 114 // Example: | |
| 115 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 116 // JNI_ENTRY(int, SomeFunc, ...) | |
| 117 // int return_value = 0; | |
| 118 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 119 // foo(CHECK_0) | |
| 120 // return_value = 5; | |
| 121 // return return_value; | |
| 122 // JNI_END | |
| 4006 | 123 #ifndef USDT2 |
| 0 | 124 #define DT_RETURN_MARK_DECL(name, type) \ |
| 125 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 126 DTRACE_ONLY( \ | |
| 127 class DTraceReturnProbeMark_##name { \ | |
| 128 public: \ | |
| 129 const type& _ret_ref; \ | |
| 130 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 131 ~DTraceReturnProbeMark_##name() { \ | |
| 132 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 133 } \ | |
| 134 } \ | |
| 135 ) | |
| 136 // Void functions are simpler since there's no return value | |
| 137 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 138 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 139 DTRACE_ONLY( \ | |
| 140 class DTraceReturnProbeMark_##name { \ | |
| 141 public: \ | |
| 142 ~DTraceReturnProbeMark_##name() { \ | |
| 143 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 144 } \ | |
| 145 } \ | |
| 146 ) | |
| 147 | |
| 4006 | 148 #else /* USDT2 */ |
| 149 | |
| 150 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 151 DTRACE_ONLY( \ | |
| 152 class DTraceReturnProbeMark_##name { \ | |
| 153 public: \ | |
| 154 const type& _ret_ref; \ | |
| 155 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 156 ~DTraceReturnProbeMark_##name() { \ | |
| 157 probe; \ | |
| 158 } \ | |
| 159 } \ | |
| 160 ) | |
| 161 // Void functions are simpler since there's no return value | |
| 162 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 163 DTRACE_ONLY( \ | |
| 164 class DTraceReturnProbeMark_##name { \ | |
| 165 public: \ | |
| 166 ~DTraceReturnProbeMark_##name() { \ | |
| 167 probe; \ | |
| 168 } \ | |
| 169 } \ | |
| 170 ) | |
| 171 #endif /* USDT2 */ | |
| 0 | 172 |
| 173 // Place these macros in the function to mark the return. Non-void | |
| 174 // functions need the type and address of the return value. | |
| 175 #define DT_RETURN_MARK(name, type, ref) \ | |
| 176 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 177 #define DT_VOID_RETURN_MARK(name) \ | |
| 178 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 179 | |
| 180 | |
| 181 // Use these to select distinct code for floating-point vs. non-floating point | |
| 182 // situations. Used from within common macros where we need slightly | |
| 183 // different behavior for Float/Double | |
| 184 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 186 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 187 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 188 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 189 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 190 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 191 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 192 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 193 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 194 FP_SELECT_##TypeName(intcode, fpcode) | |
| 195 | |
| 196 #define COMMA , | |
| 197 | |
| 198 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 199 // (dtrace doesn't do FP yet) | |
| 4006 | 200 #ifndef USDT2 |
| 0 | 201 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 202 FP_SELECT(TypeName, \ | |
| 203 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 204 #else /* USDT2 */ |
| 205 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 206 FP_SELECT(TypeName, \ | |
| 207 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 208 #endif /* USDT2 */ | |
| 0 | 209 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 210 FP_SELECT(TypeName, \ | |
| 211 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 212 | |
| 213 | |
| 214 // out-of-line helpers for class jfieldIDWorkaround: | |
| 215 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
216 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 217 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 218 uintptr_t as_uint = (uintptr_t) id; | |
| 219 intptr_t offset = raw_instance_offset(id); | |
| 220 if (is_checked_jfieldID(id)) { | |
| 221 if (!klass_hash_ok(k, id)) { | |
| 222 return false; | |
| 223 } | |
| 224 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
225 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 226 } else { |
| 227 JNIid* result = (JNIid*) id; | |
| 228 #ifdef ASSERT | |
| 229 return result != NULL && result->is_static_field_id(); | |
| 230 #else | |
| 231 return result != NULL; | |
| 232 #endif | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
237 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 238 if (offset <= small_offset_mask) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
239 Klass* field_klass = k; |
| 6983 | 240 Klass* super_klass = field_klass->super(); |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
241 // With compressed oops the most super class with nonstatic fields would |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
242 // be the owner of fields embedded in the header. |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
243 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
244 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 245 field_klass = super_klass; // super contains the field also |
| 6983 | 246 super_klass = field_klass->super(); |
| 0 | 247 } |
| 248 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 249 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 250 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 251 } else { | |
| 252 #if 0 | |
| 253 #ifndef PRODUCT | |
| 254 { | |
| 255 ResourceMark rm; | |
| 6983 | 256 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 257 } |
| 258 #endif | |
| 259 #endif | |
| 260 return 0; | |
| 261 } | |
| 262 } | |
| 263 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
264 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 265 uintptr_t as_uint = (uintptr_t) id; |
| 266 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 267 do { | |
| 268 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 269 // Could use a non-blocking query for identity_hash here... | |
| 270 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 271 return true; | |
| 6983 | 272 k = k->super(); |
| 0 | 273 } while (k != NULL); |
| 274 return false; | |
| 275 } | |
| 276 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
277 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 278 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 279 uintptr_t as_uint = (uintptr_t) id; | |
| 280 intptr_t offset = raw_instance_offset(id); | |
| 281 if (VerifyJNIFields) { | |
| 282 if (is_checked_jfieldID(id)) { | |
| 283 guarantee(klass_hash_ok(k, id), | |
| 284 "Bug in native code: jfieldID class must match object"); | |
| 285 } else { | |
| 286 #if 0 | |
| 287 #ifndef PRODUCT | |
| 288 if (Verbose) { | |
| 289 ResourceMark rm; | |
| 6983 | 290 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 291 } |
| 292 #endif | |
| 293 #endif | |
| 294 } | |
| 295 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
296 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 297 "Bug in native code: jfieldID offset must address interior of object"); |
| 298 } | |
| 299 | |
| 300 // Pick a reasonable higher bound for local capacity requested | |
| 301 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 302 // high because a test (or very unusual application) may try to allocate | |
| 303 // that many handles and run out of swap space. An implementation is | |
| 304 // permitted to allocate more handles than the ensured capacity, so this | |
| 305 // value is set high enough to prevent compatibility problems. | |
| 306 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 307 | |
| 308 | |
| 309 // Wrapper to trace JNI functions | |
| 310 | |
| 311 #ifdef ASSERT | |
| 312 Histogram* JNIHistogram; | |
| 313 static volatile jint JNIHistogram_lock = 0; | |
| 314 | |
| 315 class JNITraceWrapper : public StackObj { | |
| 316 public: | |
| 317 JNITraceWrapper(const char* format, ...) { | |
| 318 if (TraceJNICalls) { | |
| 319 va_list ap; | |
| 320 va_start(ap, format); | |
| 321 tty->print("JNI "); | |
| 322 tty->vprint_cr(format, ap); | |
| 323 va_end(ap); | |
| 324 } | |
| 325 } | |
| 326 }; | |
| 327 | |
| 328 class JNIHistogramElement : public HistogramElement { | |
| 329 public: | |
| 330 JNIHistogramElement(const char* name); | |
| 331 }; | |
| 332 | |
| 333 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 334 _name = elementName; | |
| 335 uintx count = 0; | |
| 336 | |
| 337 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 338 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 339 count +=1; | |
| 340 if ( (WarnOnStalledSpinLock > 0) | |
| 341 && (count % WarnOnStalledSpinLock == 0)) { | |
| 342 warning("JNIHistogram_lock seems to be stalled"); | |
| 343 } | |
| 344 } | |
| 345 } | |
| 346 | |
| 347 | |
| 348 if(JNIHistogram == NULL) | |
| 349 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 350 | |
| 351 JNIHistogram->add_element(this); | |
| 352 Atomic::dec(&JNIHistogram_lock); | |
| 353 } | |
| 354 | |
| 355 #define JNICountWrapper(arg) \ | |
| 356 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 357 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 358 if (e != NULL) e->increment_count() | |
| 359 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 360 #else | |
| 361 #define JNIWrapper(arg) | |
| 362 #endif | |
| 363 | |
| 364 | |
| 365 // Implementation of JNI entries | |
| 366 | |
| 4006 | 367 #ifndef USDT2 |
| 0 | 368 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 369 #else /* USDT2 */ |
| 370 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 371 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 372 #endif /* USDT2 */ | |
| 0 | 373 |
| 374 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 375 const jbyte *buf, jsize bufLen)) | |
| 376 JNIWrapper("DefineClass"); | |
| 377 | |
| 4006 | 378 #ifndef USDT2 |
| 0 | 379 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 380 env, name, loaderRef, buf, bufLen); | |
| 4006 | 381 #else /* USDT2 */ |
| 382 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 383 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 384 #endif /* USDT2 */ | |
| 0 | 385 jclass cls = NULL; |
| 386 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 387 | |
|
6125
dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
fparain
parents:
4800
diff
changeset
|
388 TempNewSymbol class_name = NULL; |
| 0 | 389 // Since exceptions can be thrown, class initialization can take place |
| 390 // if name is NULL no check for class name in .class stream has to be made. | |
| 391 if (name != NULL) { | |
| 392 const int str_len = (int)strlen(name); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
393 if (str_len > Symbol::max_length()) { |
| 0 | 394 // It's impossible to create this class; the name cannot fit |
| 395 // into the constant pool. | |
| 396 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 397 } | |
|
6125
dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
fparain
parents:
4800
diff
changeset
|
398 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 399 } |
| 400 ResourceMark rm(THREAD); | |
| 401 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 402 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 403 | |
| 404 if (UsePerfData && !class_loader.is_null()) { | |
| 405 // check whether the current caller thread holds the lock or not. | |
| 406 // If not, increment the corresponding counter | |
| 407 if (ObjectSynchronizer:: | |
| 408 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 409 ObjectSynchronizer::owner_self) { | |
| 410 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 411 } | |
| 412 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
413 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
|
973
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
657
diff
changeset
|
414 Handle(), &st, true, |
|
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
657
diff
changeset
|
415 CHECK_NULL); |
| 0 | 416 |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
417 if (TraceClassResolution && k != NULL) { |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
418 trace_class_resolution(k); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
419 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
420 |
| 0 | 421 cls = (jclass)JNIHandles::make_local( |
| 6983 | 422 env, k->java_mirror()); |
| 0 | 423 return cls; |
| 424 JNI_END | |
| 425 | |
| 426 | |
| 427 | |
| 428 static bool first_time_FindClass = true; | |
| 429 | |
| 4006 | 430 #ifndef USDT2 |
| 0 | 431 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 432 #else /* USDT2 */ |
| 433 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 434 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 435 #endif /* USDT2 */ | |
| 0 | 436 |
| 437 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 438 JNIWrapper("FindClass"); | |
| 4006 | 439 #ifndef USDT2 |
| 0 | 440 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 441 #else /* USDT2 */ |
| 442 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 443 env, (char *)name); | |
| 444 #endif /* USDT2 */ | |
| 0 | 445 |
| 446 jclass result = NULL; | |
| 447 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 448 | |
| 449 // Remember if we are the first invocation of jni_FindClass | |
| 450 bool first_time = first_time_FindClass; | |
| 451 first_time_FindClass = false; | |
| 452 | |
| 453 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 454 // name we can fit in the constant pool. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
455 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 456 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 457 } | |
| 458 | |
| 459 //%note jni_3 | |
| 460 Handle loader; | |
| 461 Handle protection_domain; | |
| 462 // Find calling class | |
| 463 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 464 if (k.not_null()) { | |
| 465 loader = Handle(THREAD, k->class_loader()); | |
| 466 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 467 // in the correct class context. | |
| 468 if (loader.is_null() && | |
| 469 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 470 JavaValue result(T_OBJECT); | |
| 471 JavaCalls::call_static(&result, k, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
472 vmSymbols::getFromClass_name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
473 vmSymbols::void_class_signature(), |
| 0 | 474 thread); |
| 475 if (HAS_PENDING_EXCEPTION) { | |
| 476 Handle ex(thread, thread->pending_exception()); | |
| 477 CLEAR_PENDING_EXCEPTION; | |
| 478 THROW_HANDLE_0(ex); | |
| 479 } | |
| 480 oop mirror = (oop) result.get_jobject(); | |
| 481 loader = Handle(THREAD, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
482 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 483 protection_domain = Handle(THREAD, |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
484 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 485 } |
| 486 } else { | |
| 487 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 488 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 489 } | |
| 490 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
491 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 492 result = find_class_from_class_loader(env, sym, true, loader, |
| 493 protection_domain, true, thread); | |
| 494 | |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
495 if (TraceClassResolution && result != NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
496 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
497 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
498 |
| 0 | 499 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 500 // rather than just allowing invocation counter to overflow and decay. | |
| 501 // Controlled by flag DelayCompilationDuringStartup. | |
| 502 if (first_time && !CompileTheWorld) | |
| 503 CompilationPolicy::completed_vm_startup(); | |
| 504 | |
| 505 return result; | |
| 506 JNI_END | |
| 507 | |
| 4006 | 508 #ifndef USDT2 |
| 0 | 509 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 510 #else /* USDT2 */ |
| 511 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 512 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 513 #endif /* USDT2 */ | |
| 0 | 514 |
| 515 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 516 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 517 #ifndef USDT2 |
| 0 | 518 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 519 #else /* USDT2 */ |
| 520 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 521 env, method); | |
| 522 #endif /* USDT2 */ | |
| 0 | 523 jmethodID ret = NULL; |
| 524 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 525 | |
| 526 // method is a handle to a java.lang.reflect.Method object | |
| 527 oop reflected = JNIHandles::resolve_non_null(method); | |
| 528 oop mirror = NULL; | |
| 529 int slot = 0; | |
| 530 | |
| 1142 | 531 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 532 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 533 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 534 } else { | |
| 1142 | 535 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 536 mirror = java_lang_reflect_Method::clazz(reflected); |
| 537 slot = java_lang_reflect_Method::slot(reflected); | |
| 538 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
539 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 540 |
| 541 KlassHandle k1(THREAD, k); | |
| 542 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 543 k1()->initialize(CHECK_NULL); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
544 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 545 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 546 return ret; | |
| 547 JNI_END | |
| 548 | |
| 4006 | 549 #ifndef USDT2 |
| 0 | 550 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 551 #else /* USDT2 */ |
| 552 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 553 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 554 #endif /* USDT2 */ | |
| 0 | 555 |
| 556 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 557 JNIWrapper("FromReflectedField"); | |
| 4006 | 558 #ifndef USDT2 |
| 0 | 559 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 560 #else /* USDT2 */ |
| 561 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 562 env, field); | |
| 563 #endif /* USDT2 */ | |
| 0 | 564 jfieldID ret = NULL; |
| 565 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 566 | |
| 567 // field is a handle to a java.lang.reflect.Field object | |
| 568 oop reflected = JNIHandles::resolve_non_null(field); | |
| 569 oop mirror = java_lang_reflect_Field::clazz(reflected); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
570 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 571 int slot = java_lang_reflect_Field::slot(reflected); |
| 572 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 573 | |
| 574 KlassHandle k1(THREAD, k); | |
| 575 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 576 k1()->initialize(CHECK_NULL); |
| 0 | 577 |
| 578 // First check if this is a static field | |
| 579 if (modifiers & JVM_ACC_STATIC) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
580 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
581 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 582 assert(id != NULL, "corrupt Field object"); |
| 583 debug_only(id->set_is_static_field_id();) | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
584 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 585 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 586 return ret; | |
| 587 } | |
| 588 | |
| 589 // The slot is the index of the field description in the field-array | |
| 590 // The jfieldID is the offset of the field within the object | |
| 591 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
592 intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot ); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
593 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 594 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 595 return ret; | |
| 596 JNI_END | |
| 597 | |
| 4006 | 598 #ifndef USDT2 |
| 0 | 599 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 600 #else /* USDT2 */ |
| 601 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 602 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 603 #endif /* USDT2 */ | |
| 0 | 604 |
| 605 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 606 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 607 #ifndef USDT2 |
| 0 | 608 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 609 #else /* USDT2 */ |
| 610 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 611 env, cls, (uintptr_t) method_id, isStatic); | |
| 612 #endif /* USDT2 */ | |
| 0 | 613 jobject ret = NULL; |
| 614 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 615 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
616 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 617 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 618 oop reflection_method; | |
| 619 if (m->is_initializer()) { | |
| 620 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 621 } else { | |
| 622 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 623 } | |
| 624 ret = JNIHandles::make_local(env, reflection_method); | |
| 625 return ret; | |
| 626 JNI_END | |
| 627 | |
| 4006 | 628 #ifndef USDT2 |
| 0 | 629 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 630 #else /* USDT2 */ |
| 631 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 632 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 633 #endif /* USDT2 */ | |
| 0 | 634 |
| 635 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 636 JNIWrapper("GetSuperclass"); | |
| 4006 | 637 #ifndef USDT2 |
| 0 | 638 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 639 #else /* USDT2 */ |
| 640 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 641 env, sub); | |
| 642 #endif /* USDT2 */ | |
| 0 | 643 jclass obj = NULL; |
| 644 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 645 | |
| 646 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 647 // primitive classes return NULL | |
| 648 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 649 | |
| 650 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 651 // arrays return Object | |
| 652 // interfaces return NULL | |
| 653 // proper classes return Klass::super() | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
654 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 655 if (k->is_interface()) return NULL; |
| 0 | 656 |
| 657 // return mirror for superclass | |
| 6983 | 658 Klass* super = k->java_super(); |
| 0 | 659 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 660 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 661 ? SystemDictionary::Object_klass() |
| 6983 | 662 : k->super() ) ); |
| 0 | 663 assert(super == super2, |
| 664 "java_super computation depends on interface, array, other super"); | |
| 6983 | 665 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 666 return obj; |
| 667 JNI_END | |
| 668 | |
| 669 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 670 JNIWrapper("IsSubclassOf"); | |
| 4006 | 671 #ifndef USDT2 |
| 0 | 672 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 673 #else /* USDT2 */ |
| 674 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 675 env, sub, super); | |
| 676 #endif /* USDT2 */ | |
| 0 | 677 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 678 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 679 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 680 java_lang_Class::is_primitive(super_mirror)) { | |
| 681 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 682 #ifndef USDT2 |
| 0 | 683 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 684 #else /* USDT2 */ |
| 685 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 686 ret); | |
| 687 #endif /* USDT2 */ | |
| 0 | 688 return ret; |
| 689 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
690 Klass* sub_klass = java_lang_Class::as_Klass(sub_mirror); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
691 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 692 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 693 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 694 JNI_TRUE : JNI_FALSE; |
| 4006 | 695 #ifndef USDT2 |
| 0 | 696 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 697 #else /* USDT2 */ |
| 698 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 699 ret); | |
| 700 #endif /* USDT2 */ | |
| 0 | 701 return ret; |
| 702 JNI_END | |
| 703 | |
| 4006 | 704 #ifndef USDT2 |
| 0 | 705 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 706 #else /* USDT2 */ |
| 707 DT_RETURN_MARK_DECL(Throw, jint | |
| 708 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 709 #endif /* USDT2 */ | |
| 0 | 710 |
| 711 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 712 JNIWrapper("Throw"); | |
| 4006 | 713 #ifndef USDT2 |
| 0 | 714 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 715 #else /* USDT2 */ |
| 716 HOTSPOT_JNI_THROW_ENTRY( | |
| 717 env, obj); | |
| 718 #endif /* USDT2 */ | |
| 0 | 719 jint ret = JNI_OK; |
| 720 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 721 | |
| 722 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 723 ShouldNotReachHere(); | |
| 724 JNI_END | |
| 725 | |
| 4006 | 726 #ifndef USDT2 |
| 0 | 727 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 728 #else /* USDT2 */ |
| 729 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 730 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 731 #endif /* USDT2 */ | |
| 0 | 732 |
| 733 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 734 JNIWrapper("ThrowNew"); | |
| 4006 | 735 #ifndef USDT2 |
| 0 | 736 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 737 #else /* USDT2 */ |
| 738 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 739 env, clazz, (char *) message); | |
| 740 #endif /* USDT2 */ | |
| 0 | 741 jint ret = JNI_OK; |
| 742 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 743 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
744 InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
745 Symbol* name = k->name(); |
| 0 | 746 Handle class_loader (THREAD, k->class_loader()); |
| 747 Handle protection_domain (THREAD, k->protection_domain()); | |
| 748 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 749 ShouldNotReachHere(); | |
| 750 JNI_END | |
| 751 | |
| 752 | |
| 753 // JNI functions only transform a pending async exception to a synchronous | |
| 754 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 755 // delivering an async exception in other places won't change the native | |
| 756 // code's control flow and would be harmful when native code further calls | |
| 757 // JNI functions with a pending exception. Async exception is also checked | |
| 758 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 759 // false but deliver the async exception at the very end during | |
| 760 // state transition. | |
| 761 | |
| 762 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 763 assert(thread == Thread::current(), "must be itself"); | |
| 764 thread->check_and_handle_async_exceptions(); | |
| 765 } | |
| 766 | |
| 767 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 768 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 769 #ifndef USDT2 |
| 0 | 770 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 771 #else /* USDT2 */ |
| 772 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 773 env); | |
| 774 #endif /* USDT2 */ | |
| 0 | 775 jni_check_async_exceptions(thread); |
| 776 oop exception = thread->pending_exception(); | |
| 777 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 778 #ifndef USDT2 |
| 0 | 779 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 780 #else /* USDT2 */ |
| 781 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 782 ret); | |
| 783 #endif /* USDT2 */ | |
| 0 | 784 return ret; |
| 785 JNI_END | |
| 786 | |
| 787 | |
| 788 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 789 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 790 #ifndef USDT2 |
| 0 | 791 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 792 #else /* USDT2 */ |
| 793 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 794 env); | |
| 795 #endif /* USDT2 */ | |
| 0 | 796 if (thread->has_pending_exception()) { |
| 797 Handle ex(thread, thread->pending_exception()); | |
| 798 thread->clear_pending_exception(); | |
| 1142 | 799 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 800 // Don't print anything if we are being killed. |
| 801 } else { | |
| 802 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 803 if (thread != NULL && thread->threadObj() != NULL) { | |
| 804 ResourceMark rm(THREAD); | |
| 805 jio_fprintf(defaultStream::error_stream(), | |
| 806 "in thread \"%s\" ", thread->get_thread_name()); | |
| 807 } | |
| 1142 | 808 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 809 JavaValue result(T_VOID); |
| 810 JavaCalls::call_virtual(&result, | |
| 811 ex, | |
| 812 KlassHandle(THREAD, | |
| 1142 | 813 SystemDictionary::Throwable_klass()), |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
814 vmSymbols::printStackTrace_name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
815 vmSymbols::void_method_signature(), |
| 0 | 816 THREAD); |
| 817 // If an exception is thrown in the call it gets thrown away. Not much | |
| 818 // we can do with it. The native code that calls this, does not check | |
| 819 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 820 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 821 // is expected. | |
| 822 CLEAR_PENDING_EXCEPTION; | |
| 823 } else { | |
| 824 ResourceMark rm(THREAD); | |
| 825 jio_fprintf(defaultStream::error_stream(), | |
| 826 ". Uncaught exception of type %s.", | |
| 6983 | 827 ex->klass()->external_name()); |
| 0 | 828 } |
| 829 } | |
| 830 } | |
| 4006 | 831 #ifndef USDT2 |
| 0 | 832 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 833 #else /* USDT2 */ |
| 834 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 835 ); | |
| 836 #endif /* USDT2 */ | |
| 0 | 837 JNI_END |
| 838 | |
| 839 | |
| 840 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 841 JNIWrapper("ExceptionClear"); | |
| 4006 | 842 #ifndef USDT2 |
| 0 | 843 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 844 #else /* USDT2 */ |
| 845 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 846 env); | |
| 847 #endif /* USDT2 */ | |
| 0 | 848 |
| 849 // The jni code might be using this API to clear java thrown exception. | |
| 850 // So just mark jvmti thread exception state as exception caught. | |
| 851 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 852 if (state != NULL && state->is_exception_detected()) { | |
| 853 state->set_exception_caught(); | |
| 854 } | |
| 855 thread->clear_pending_exception(); | |
| 4006 | 856 #ifndef USDT2 |
| 0 | 857 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 858 #else /* USDT2 */ |
| 859 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 860 ); | |
| 861 #endif /* USDT2 */ | |
| 0 | 862 JNI_END |
| 863 | |
| 864 | |
| 865 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 866 JNIWrapper("FatalError"); | |
| 4006 | 867 #ifndef USDT2 |
| 0 | 868 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 869 #else /* USDT2 */ |
| 870 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 871 env, (char *) msg); | |
| 872 #endif /* USDT2 */ | |
| 0 | 873 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 874 thread->print_stack(); | |
|
227
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
113
diff
changeset
|
875 os::abort(); // Dump core and abort |
| 0 | 876 JNI_END |
| 877 | |
| 878 | |
| 879 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 880 JNIWrapper("PushLocalFrame"); | |
| 4006 | 881 #ifndef USDT2 |
| 0 | 882 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 883 #else /* USDT2 */ |
| 884 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 885 env, capacity); | |
| 886 #endif /* USDT2 */ | |
| 0 | 887 //%note jni_11 |
| 888 if (capacity < 0 && capacity > MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 4006 | 889 #ifndef USDT2 |
| 0 | 890 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 891 #else /* USDT2 */ |
| 892 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 893 (uint32_t)JNI_ERR); | |
| 894 #endif /* USDT2 */ | |
| 0 | 895 return JNI_ERR; |
| 896 } | |
| 897 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 898 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 899 assert(new_handles != NULL, "should not be NULL"); | |
| 900 new_handles->set_pop_frame_link(old_handles); | |
| 901 thread->set_active_handles(new_handles); | |
| 902 jint ret = JNI_OK; | |
| 4006 | 903 #ifndef USDT2 |
| 0 | 904 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 905 #else /* USDT2 */ |
| 906 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 907 ret); | |
| 908 #endif /* USDT2 */ | |
| 0 | 909 return ret; |
| 910 JNI_END | |
| 911 | |
| 912 | |
| 913 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 914 JNIWrapper("PopLocalFrame"); | |
| 4006 | 915 #ifndef USDT2 |
| 0 | 916 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 917 #else /* USDT2 */ |
| 918 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 919 env, result); | |
| 920 #endif /* USDT2 */ | |
| 0 | 921 //%note jni_11 |
| 922 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 923 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 924 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 925 if (new_handles != NULL) { | |
| 926 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 927 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 928 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 929 // the release_block call will release the blocks. | |
| 930 thread->set_active_handles(new_handles); | |
| 931 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 932 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 933 result = JNIHandles::make_local(thread, result_handle()); | |
| 934 } | |
| 4006 | 935 #ifndef USDT2 |
| 0 | 936 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 937 #else /* USDT2 */ |
| 938 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 939 result); | |
| 940 #endif /* USDT2 */ | |
| 0 | 941 return result; |
| 942 JNI_END | |
| 943 | |
| 944 | |
| 945 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 946 JNIWrapper("NewGlobalRef"); | |
| 4006 | 947 #ifndef USDT2 |
| 0 | 948 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 949 #else /* USDT2 */ |
| 950 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 951 env, ref); | |
| 952 #endif /* USDT2 */ | |
| 0 | 953 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 954 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 955 #ifndef USDT2 |
| 0 | 956 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 957 #else /* USDT2 */ |
| 958 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 959 ret); | |
| 960 #endif /* USDT2 */ | |
| 0 | 961 return ret; |
| 962 JNI_END | |
| 963 | |
| 964 // Must be JNI_ENTRY (with HandleMark) | |
| 965 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 966 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 967 #ifndef USDT2 |
| 0 | 968 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 969 #else /* USDT2 */ |
| 970 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 971 env, ref); | |
| 972 #endif /* USDT2 */ | |
| 0 | 973 JNIHandles::destroy_global(ref); |
| 4006 | 974 #ifndef USDT2 |
| 0 | 975 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 976 #else /* USDT2 */ |
| 977 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 978 ); | |
| 979 #endif /* USDT2 */ | |
| 0 | 980 JNI_END |
| 981 | |
| 982 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 983 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 984 #ifndef USDT2 |
| 0 | 985 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 986 #else /* USDT2 */ |
| 987 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 988 env, obj); | |
| 989 #endif /* USDT2 */ | |
| 0 | 990 JNIHandles::destroy_local(obj); |
| 4006 | 991 #ifndef USDT2 |
| 0 | 992 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 993 #else /* USDT2 */ |
| 994 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 995 ); | |
| 996 #endif /* USDT2 */ | |
| 0 | 997 JNI_END |
| 998 | |
| 999 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 1000 JNIWrapper("IsSameObject"); | |
| 4006 | 1001 #ifndef USDT2 |
| 0 | 1002 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 1003 #else /* USDT2 */ |
| 1004 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 1005 env, r1, r2); | |
| 1006 #endif /* USDT2 */ | |
| 0 | 1007 oop a = JNIHandles::resolve(r1); |
| 1008 oop b = JNIHandles::resolve(r2); | |
| 1009 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1010 #ifndef USDT2 |
| 0 | 1011 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1012 #else /* USDT2 */ |
| 1013 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1014 ret); | |
| 1015 #endif /* USDT2 */ | |
| 0 | 1016 return ret; |
| 1017 JNI_END | |
| 1018 | |
| 1019 | |
| 1020 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1021 JNIWrapper("NewLocalRef"); | |
| 4006 | 1022 #ifndef USDT2 |
| 0 | 1023 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1024 #else /* USDT2 */ |
| 1025 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1026 env, ref); | |
| 1027 #endif /* USDT2 */ | |
| 0 | 1028 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1029 #ifndef USDT2 |
| 0 | 1030 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1031 #else /* USDT2 */ |
| 1032 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1033 ret); | |
| 1034 #endif /* USDT2 */ | |
| 0 | 1035 return ret; |
| 1036 JNI_END | |
| 1037 | |
| 1038 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1039 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1040 #ifndef USDT2 |
| 0 | 1041 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1042 #else /* USDT2 */ |
| 1043 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1044 env, capacity); | |
| 1045 #endif /* USDT2 */ | |
| 0 | 1046 jint ret; |
| 1047 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1048 ret = JNI_OK; | |
| 1049 } else { | |
| 1050 ret = JNI_ERR; | |
| 1051 } | |
| 4006 | 1052 #ifndef USDT2 |
| 0 | 1053 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1054 #else /* USDT2 */ |
| 1055 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1056 ret); | |
| 1057 #endif /* USDT2 */ | |
| 0 | 1058 return ret; |
| 1059 JNI_END | |
| 1060 | |
| 1061 // Return the Handle Type | |
| 1062 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1063 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1064 #ifndef USDT2 |
| 0 | 1065 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1066 #else /* USDT2 */ |
| 1067 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1068 env, obj); | |
| 1069 #endif /* USDT2 */ | |
| 0 | 1070 jobjectRefType ret; |
| 1071 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1072 JNIHandles::is_frame_handle(thread, obj)) | |
| 1073 ret = JNILocalRefType; | |
| 1074 else if (JNIHandles::is_global_handle(obj)) | |
| 1075 ret = JNIGlobalRefType; | |
| 1076 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1077 ret = JNIWeakGlobalRefType; | |
| 1078 else | |
| 1079 ret = JNIInvalidRefType; | |
| 4006 | 1080 #ifndef USDT2 |
| 0 | 1081 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1082 #else /* USDT2 */ |
| 1083 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1084 (void *) ret); | |
| 1085 #endif /* USDT2 */ | |
| 0 | 1086 return ret; |
| 1087 JNI_END | |
| 1088 | |
| 1089 | |
| 1090 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1091 protected: | |
| 1092 JavaCallArguments* _arguments; | |
| 1093 | |
| 1094 virtual void get_bool () = 0; | |
| 1095 virtual void get_char () = 0; | |
| 1096 virtual void get_short () = 0; | |
| 1097 virtual void get_byte () = 0; | |
| 1098 virtual void get_int () = 0; | |
| 1099 virtual void get_long () = 0; | |
| 1100 virtual void get_float () = 0; | |
| 1101 virtual void get_double () = 0; | |
| 1102 virtual void get_object () = 0; | |
| 1103 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1104 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1105 this->_return_type = T_ILLEGAL; |
| 1106 _arguments = NULL; | |
| 1107 } | |
| 1108 | |
| 1109 public: | |
| 1110 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1111 | |
| 1112 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1113 | |
| 1114 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1115 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1116 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1117 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1118 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1119 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1120 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1121 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1122 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1123 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1124 inline void do_void() { } | |
| 1125 | |
| 1126 JavaCallArguments* arguments() { return _arguments; } | |
| 1127 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1128 }; | |
| 1129 | |
| 1130 | |
| 1131 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1132 protected: | |
| 1133 va_list _ap; | |
| 1134 | |
| 1135 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1136 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1137 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1138 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1139 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1140 | |
| 1141 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1142 | |
| 1143 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1144 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1145 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1146 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1147 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1148 | |
| 1149 inline void set_ap(va_list rap) { | |
| 1150 #ifdef va_copy | |
| 1151 va_copy(_ap, rap); | |
| 1152 #elif defined (__va_copy) | |
| 1153 __va_copy(_ap, rap); | |
| 1154 #else | |
| 1155 _ap = rap; | |
| 1156 #endif | |
| 1157 } | |
| 1158 | |
| 1159 public: | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1160 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1161 : JNI_ArgumentPusher(signature) { |
| 0 | 1162 set_ap(rap); |
| 1163 } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1164 JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap) |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1165 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1166 set_ap(rap); |
| 1167 } | |
| 1168 | |
| 1169 // Optimized path if we have the bitvector form of signature | |
| 1170 void iterate( uint64_t fingerprint ) { | |
| 1171 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1172 else { | |
| 1173 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1174 result_feature_mask); | |
| 1175 | |
| 1176 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1177 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1178 while ( 1 ) { | |
| 1179 switch ( fingerprint & parameter_feature_mask ) { | |
| 1180 case bool_parm: | |
| 1181 case char_parm: | |
| 1182 case short_parm: | |
| 1183 case byte_parm: | |
| 1184 case int_parm: | |
| 1185 get_int(); | |
| 1186 break; | |
| 1187 case obj_parm: | |
| 1188 get_object(); | |
| 1189 break; | |
| 1190 case long_parm: | |
| 1191 get_long(); | |
| 1192 break; | |
| 1193 case float_parm: | |
| 1194 get_float(); | |
| 1195 break; | |
| 1196 case double_parm: | |
| 1197 get_double(); | |
| 1198 break; | |
| 1199 case done_parm: | |
| 1200 return; | |
| 1201 break; | |
| 1202 default: | |
| 1203 ShouldNotReachHere(); | |
| 1204 break; | |
| 1205 } | |
| 1206 fingerprint >>= parameter_feature_size; | |
| 1207 } | |
| 1208 } | |
| 1209 } | |
| 1210 }; | |
| 1211 | |
| 1212 | |
| 1213 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1214 protected: | |
| 1215 const jvalue *_ap; | |
| 1216 | |
| 1217 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1218 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1219 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1220 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1221 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1222 | |
| 1223 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1224 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1225 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1226 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1227 | |
| 1228 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1229 | |
| 1230 public: | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1231 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1232 : JNI_ArgumentPusher(signature) { |
| 0 | 1233 set_ap(rap); |
| 1234 } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1235 JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap) |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1236 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1237 set_ap(rap); |
| 1238 } | |
| 1239 | |
| 1240 // Optimized path if we have the bitvector form of signature | |
| 1241 void iterate( uint64_t fingerprint ) { | |
| 1242 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1243 else { | |
| 1244 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1245 result_feature_mask); | |
| 1246 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1247 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1248 while ( 1 ) { | |
| 1249 switch ( fingerprint & parameter_feature_mask ) { | |
| 1250 case bool_parm: | |
| 1251 get_bool(); | |
| 1252 break; | |
| 1253 case char_parm: | |
| 1254 get_char(); | |
| 1255 break; | |
| 1256 case short_parm: | |
| 1257 get_short(); | |
| 1258 break; | |
| 1259 case byte_parm: | |
| 1260 get_byte(); | |
| 1261 break; | |
| 1262 case int_parm: | |
| 1263 get_int(); | |
| 1264 break; | |
| 1265 case obj_parm: | |
| 1266 get_object(); | |
| 1267 break; | |
| 1268 case long_parm: | |
| 1269 get_long(); | |
| 1270 break; | |
| 1271 case float_parm: | |
| 1272 get_float(); | |
| 1273 break; | |
| 1274 case double_parm: | |
| 1275 get_double(); | |
| 1276 break; | |
| 1277 case done_parm: | |
| 1278 return; | |
| 1279 break; | |
| 1280 default: | |
| 1281 ShouldNotReachHere(); | |
| 1282 break; | |
| 1283 } | |
| 1284 fingerprint >>= parameter_feature_size; | |
| 1285 } | |
| 1286 } | |
| 1287 } | |
| 1288 }; | |
| 1289 | |
| 1290 | |
| 1291 enum JNICallType { | |
| 1292 JNI_STATIC, | |
| 1293 JNI_VIRTUAL, | |
| 1294 JNI_NONVIRTUAL | |
| 1295 }; | |
| 1296 | |
| 1297 static methodHandle jni_resolve_interface_call(Handle recv, methodHandle method, TRAPS) { | |
| 1298 assert(!method.is_null() , "method should not be null"); | |
| 1299 | |
| 1300 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1301 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1302 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1303 Symbol* name = method->name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1304 Symbol* signature = method->signature(); |
| 0 | 1305 CallInfo info; |
| 1306 LinkResolver::resolve_interface_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1307 return info.selected_method(); | |
| 1308 } | |
| 1309 | |
| 1310 static methodHandle jni_resolve_virtual_call(Handle recv, methodHandle method, TRAPS) { | |
| 1311 assert(!method.is_null() , "method should not be null"); | |
| 1312 | |
| 1313 KlassHandle recv_klass; // Default to NULL (use of ?: can confuse gcc) | |
| 1314 if (recv.not_null()) recv_klass = KlassHandle(THREAD, recv->klass()); | |
| 1315 KlassHandle spec_klass (THREAD, method->method_holder()); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1316 Symbol* name = method->name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1317 Symbol* signature = method->signature(); |
| 0 | 1318 CallInfo info; |
| 1319 LinkResolver::resolve_virtual_call(info, recv, recv_klass, spec_klass, name, signature, KlassHandle(), false, true, CHECK_(methodHandle())); | |
| 1320 return info.selected_method(); | |
| 1321 } | |
| 1322 | |
| 1323 | |
|
5747
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1324 static bool first_time_InvokeMain = true; |
| 0 | 1325 |
| 1326 static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1327 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1328 |
| 1329 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1330 // the jni parser | |
| 1331 ResourceMark rm(THREAD); | |
| 1332 int number_of_parameters = method->size_of_parameters(); | |
|
5747
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1333 |
|
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1334 // Invoke the method. Result is returned as oop. |
| 0 | 1335 JavaCallArguments java_args(number_of_parameters); |
| 1336 args->set_java_argument_object(&java_args); | |
| 1337 | |
| 1338 assert(method->is_static(), "method should be static"); | |
| 1339 | |
| 1340 // Fill out JavaCallArguments object | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1341 args->iterate( Fingerprinter(method).fingerprint() ); |
|
5747
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1342 // Initialize result type (must be done after args->iterate()) |
| 0 | 1343 result->set_type(args->get_ret_type()); |
| 1344 | |
| 1345 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1346 | |
| 1347 // Convert result | |
| 1348 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1349 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1350 } | |
|
5747
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1351 |
|
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1352 #ifdef HIGH_LEVEL_INTERPRETER |
|
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1353 if (invoked_main_method) { |
|
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1354 assert(THREAD->is_Java_thread(), "other threads must not call into java"); |
|
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1355 JavaThread* thread = (JavaThread*)THREAD; |
|
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1356 thread->set_high_level_interpreter_in_vm(false); |
|
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1357 } |
|
120820e30baa
added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
4970
diff
changeset
|
1358 #endif |
| 0 | 1359 } |
| 1360 | |
| 1361 | |
| 1362 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1363 oop recv = JNIHandles::resolve(receiver); | |
| 1364 if (recv == NULL) { | |
| 1365 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1366 } | |
| 1367 Handle h_recv(THREAD, recv); | |
| 1368 | |
| 1369 int number_of_parameters; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1370 Method* selected_method; |
| 0 | 1371 { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1372 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1373 number_of_parameters = m->size_of_parameters(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1374 Klass* holder = m->method_holder(); |
| 6983 | 1375 if (!(holder)->is_interface()) { |
| 0 | 1376 // non-interface call -- for that little speed boost, don't handlize |
| 1377 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1378 if (call_type == JNI_VIRTUAL) { | |
| 1379 // jni_GetMethodID makes sure class is linked and initialized | |
| 1380 // so m should have a valid vtable index. | |
| 1381 int vtbl_index = m->vtable_index(); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1382 if (vtbl_index != Method::nonvirtual_vtable_index) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1383 Klass* k = h_recv->klass(); |
| 0 | 1384 // k might be an arrayKlassOop but all vtables start at |
| 1385 // the same place. The cast is to avoid virtual call and assertion. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1386 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1387 selected_method = ik->method_at_vtable(vtbl_index); |
| 1388 } else { | |
| 1389 // final method | |
| 1390 selected_method = m; | |
| 1391 } | |
| 1392 } else { | |
| 1393 // JNI_NONVIRTUAL call | |
| 1394 selected_method = m; | |
| 1395 } | |
| 1396 } else { | |
| 1397 // interface call | |
| 1398 KlassHandle h_holder(THREAD, holder); | |
| 1399 | |
| 1400 int itbl_index = m->cached_itable_index(); | |
| 1401 if (itbl_index == -1) { | |
| 1402 itbl_index = klassItable::compute_itable_index(m); | |
| 1403 m->set_cached_itable_index(itbl_index); | |
| 1404 // the above may have grabbed a lock, 'm' and anything non-handlized can't be used again | |
| 1405 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1406 Klass* k = h_recv->klass(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1407 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1408 } |
| 1409 } | |
| 1410 | |
| 1411 methodHandle method(THREAD, selected_method); | |
| 1412 | |
| 1413 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1414 // the jni parser | |
| 1415 ResourceMark rm(THREAD); | |
| 1416 JavaCallArguments java_args(number_of_parameters); | |
| 1417 args->set_java_argument_object(&java_args); | |
| 1418 | |
| 1419 // handle arguments | |
| 1420 assert(!method->is_static(), "method should not be static"); | |
| 1421 args->push_receiver(h_recv); // Push jobject handle | |
| 1422 | |
| 1423 // Fill out JavaCallArguments object | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1424 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1425 // Initialize result type |
| 1426 result->set_type(args->get_ret_type()); | |
| 1427 | |
| 1428 // Invoke the method. Result is returned as oop. | |
| 1429 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1430 | |
| 1431 // Convert result | |
| 1432 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1433 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1434 } | |
| 1435 } | |
| 1436 | |
| 1437 | |
| 1438 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1439 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1440 k()->check_valid_for_instantiation(false, CHECK_NULL); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1441 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1442 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1443 return ih; |
| 1444 } | |
| 1445 | |
| 4006 | 1446 #ifndef USDT2 |
| 0 | 1447 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1448 #else /* USDT2 */ |
| 1449 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1450 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1451 #endif /* USDT2 */ | |
| 0 | 1452 |
| 1453 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1454 JNIWrapper("AllocObject"); | |
| 1455 | |
| 4006 | 1456 #ifndef USDT2 |
| 0 | 1457 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1458 #else /* USDT2 */ |
| 1459 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1460 env, clazz); | |
| 1461 #endif /* USDT2 */ | |
| 0 | 1462 jobject ret = NULL; |
| 1463 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1464 | |
| 1465 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1466 ret = JNIHandles::make_local(env, i); | |
| 1467 return ret; | |
| 1468 JNI_END | |
| 1469 | |
| 4006 | 1470 #ifndef USDT2 |
| 0 | 1471 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1472 #else /* USDT2 */ |
| 1473 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1474 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1475 #endif /* USDT2 */ | |
| 0 | 1476 |
| 1477 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1478 JNIWrapper("NewObjectA"); | |
| 4006 | 1479 #ifndef USDT2 |
| 0 | 1480 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1481 #else /* USDT2 */ |
| 1482 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1483 env, clazz, (uintptr_t) methodID); | |
| 1484 #endif /* USDT2 */ | |
| 0 | 1485 jobject obj = NULL; |
| 1486 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1487 | |
| 1488 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1489 obj = JNIHandles::make_local(env, i); | |
| 1490 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1491 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1492 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1493 return obj; | |
| 1494 JNI_END | |
| 1495 | |
| 4006 | 1496 #ifndef USDT2 |
| 0 | 1497 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1498 #else /* USDT2 */ |
| 1499 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1500 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1501 #endif /* USDT2 */ | |
| 0 | 1502 |
| 1503 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1504 JNIWrapper("NewObjectV"); | |
| 4006 | 1505 #ifndef USDT2 |
| 0 | 1506 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1507 #else /* USDT2 */ |
| 1508 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1509 env, clazz, (uintptr_t) methodID); | |
| 1510 #endif /* USDT2 */ | |
| 0 | 1511 jobject obj = NULL; |
| 1512 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1513 | |
| 1514 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1515 obj = JNIHandles::make_local(env, i); | |
| 1516 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1517 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1518 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1519 return obj; | |
| 1520 JNI_END | |
| 1521 | |
| 4006 | 1522 #ifndef USDT2 |
| 0 | 1523 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1524 #else /* USDT2 */ |
| 1525 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1526 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1527 #endif /* USDT2 */ | |
| 0 | 1528 |
| 1529 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1530 JNIWrapper("NewObject"); | |
| 4006 | 1531 #ifndef USDT2 |
| 0 | 1532 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1533 #else /* USDT2 */ |
| 1534 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1535 env, clazz, (uintptr_t) methodID); | |
| 1536 #endif /* USDT2 */ | |
| 0 | 1537 jobject obj = NULL; |
| 1538 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1539 | |
| 1540 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1541 obj = JNIHandles::make_local(env, i); | |
| 1542 va_list args; | |
| 1543 va_start(args, methodID); | |
| 1544 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1545 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1546 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1547 va_end(args); | |
| 1548 return obj; | |
| 1549 JNI_END | |
| 1550 | |
| 1551 | |
| 1552 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1553 JNIWrapper("GetObjectClass"); | |
| 4006 | 1554 #ifndef USDT2 |
| 0 | 1555 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1556 #else /* USDT2 */ |
| 1557 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1558 env, obj); | |
| 1559 #endif /* USDT2 */ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1560 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1561 jclass ret = |
| 6983 | 1562 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1563 #ifndef USDT2 |
| 0 | 1564 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1565 #else /* USDT2 */ |
| 1566 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1567 ret); | |
| 1568 #endif /* USDT2 */ | |
| 0 | 1569 return ret; |
| 1570 JNI_END | |
| 1571 | |
| 1572 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1573 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1574 #ifndef USDT2 |
| 0 | 1575 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1576 #else /* USDT2 */ |
| 1577 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1578 env, obj, clazz); | |
| 1579 #endif /* USDT2 */ | |
| 0 | 1580 jboolean ret = JNI_TRUE; |
| 1581 if (obj != NULL) { | |
| 1582 ret = JNI_FALSE; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1583 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1584 JNIHandles::resolve_non_null(clazz)); |
| 1585 if (k != NULL) { | |
| 1586 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1587 } | |
| 1588 } | |
| 4006 | 1589 #ifndef USDT2 |
| 0 | 1590 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1591 #else /* USDT2 */ |
| 1592 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1593 ret); | |
| 1594 #endif /* USDT2 */ | |
| 0 | 1595 return ret; |
| 1596 JNI_END | |
| 1597 | |
| 1598 | |
| 1599 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1600 const char *sig, bool is_static, TRAPS) { | |
| 1601 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1602 // | |
| 1603 // The class should have been loaded (we have an instance of the class | |
| 1604 // passed in) so the method and signature should already be in the symbol | |
| 1605 // table. If they're not there, the method doesn't exist. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1606 const char *name_to_probe = (name_str == NULL) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1607 ? vmSymbols::object_initializer_name()->as_C_string() |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1608 : name_str; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1609 TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1610 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1611 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1612 if (name == NULL || signature == NULL) { |
| 0 | 1613 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1614 } | |
| 1615 | |
| 1616 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1617 // primitive java.lang.Class | |
| 1618 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1619 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1620 } | |
| 1621 | |
| 1622 KlassHandle klass(THREAD, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1623 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1624 |
| 1625 // Make sure class is linked and initialized before handing id's out to | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1626 // Method*s. |
| 6983 | 1627 klass()->initialize(CHECK_NULL); |
| 0 | 1628 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1629 Method* m; |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1630 if (name == vmSymbols::object_initializer_name() || |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1631 name == vmSymbols::class_initializer_name()) { |
| 0 | 1632 // Never search superclasses for constructors |
| 1633 if (klass->oop_is_instance()) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1634 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1635 } else { |
| 1636 m = NULL; | |
| 1637 } | |
| 1638 } else { | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1639 m = klass->lookup_method(name, signature); |
| 0 | 1640 // Look up interfaces |
| 1641 if (m == NULL && klass->oop_is_instance()) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1642 m = InstanceKlass::cast(klass())->lookup_method_in_all_interfaces(name, |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1643 signature); |
| 0 | 1644 } |
| 1645 } | |
| 1646 if (m == NULL || (m->is_static() != is_static)) { | |
| 1647 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1648 } | |
| 1649 return m->jmethod_id(); | |
| 1650 } | |
| 1651 | |
| 1652 | |
| 1653 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1654 const char *name, const char *sig)) | |
| 1655 JNIWrapper("GetMethodID"); | |
| 4006 | 1656 #ifndef USDT2 |
| 0 | 1657 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1658 #else /* USDT2 */ |
| 1659 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1660 env, clazz, (char *) name, (char *) sig); | |
| 1661 #endif /* USDT2 */ | |
| 0 | 1662 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1663 #ifndef USDT2 |
| 0 | 1664 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1665 #else /* USDT2 */ |
| 1666 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1667 (uintptr_t) ret); | |
| 1668 #endif /* USDT2 */ | |
| 0 | 1669 return ret; |
| 1670 JNI_END | |
| 1671 | |
| 1672 | |
| 1673 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1674 const char *name, const char *sig)) | |
| 1675 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1676 #ifndef USDT2 |
| 0 | 1677 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1678 #else /* USDT2 */ |
| 1679 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1680 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1681 #endif /* USDT2 */ | |
| 0 | 1682 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1683 #ifndef USDT2 |
| 0 | 1684 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1685 #else /* USDT2 */ |
| 1686 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1687 (uintptr_t) ret); | |
| 1688 #endif /* USDT2 */ | |
| 0 | 1689 return ret; |
| 1690 JNI_END | |
| 1691 | |
| 1692 | |
| 1693 | |
| 1694 // | |
| 1695 // Calling Methods | |
| 1696 // | |
| 1697 | |
| 4006 | 1698 #ifndef USDT2 |
| 0 | 1699 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1700 \ | |
| 1701 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1702 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1703 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1704 \ | |
| 1705 JNI_ENTRY(ResultType, \ | |
| 1706 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1707 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1708 \ | |
| 4006 | 1709 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1710 ResultType ret = 0;\ |
| 1711 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1712 (const ResultType&)ret);\ | |
| 1713 \ | |
| 1714 va_list args; \ | |
| 1715 va_start(args, methodID); \ | |
| 1716 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1717 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1718 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1719 va_end(args); \ | |
| 1720 ret = jvalue.get_##ResultType(); \ | |
| 1721 return ret;\ | |
| 1722 JNI_END \ | |
| 1723 \ | |
| 1724 \ | |
| 1725 JNI_ENTRY(ResultType, \ | |
| 1726 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1727 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1728 \ | |
| 4006 | 1729 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1730 ResultType ret = 0;\ |
| 1731 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1732 (const ResultType&)ret);\ | |
| 1733 \ | |
| 1734 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1735 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1736 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1737 ret = jvalue.get_##ResultType(); \ | |
| 1738 return ret;\ | |
| 1739 JNI_END \ | |
| 1740 \ | |
| 1741 \ | |
| 1742 JNI_ENTRY(ResultType, \ | |
| 1743 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1744 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1745 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1746 ResultType ret = 0;\ |
| 1747 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1748 (const ResultType&)ret);\ | |
| 1749 \ | |
| 1750 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1751 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1752 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1753 ret = jvalue.get_##ResultType(); \ | |
| 1754 return ret;\ | |
| 1755 JNI_END | |
| 1756 | |
| 1757 // the runtime type of subword integral basic types is integer | |
| 1758 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1759 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1760 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1761 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1762 | |
| 1763 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1764 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1765 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1766 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1767 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1768 | |
| 1769 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1770 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1771 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1772 | |
| 4006 | 1773 #else /* USDT2 */ |
| 1774 | |
| 1775 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1776 , EntryProbe, ReturnProbe) \ | |
| 1777 \ | |
| 1778 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1779 , ReturnProbe); \ | |
| 1780 \ | |
| 1781 JNI_ENTRY(ResultType, \ | |
| 1782 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1783 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1784 \ | |
| 1785 EntryProbe; \ | |
| 1786 ResultType ret = 0;\ | |
| 1787 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1788 (const ResultType&)ret);\ | |
| 1789 \ | |
| 1790 va_list args; \ | |
| 1791 va_start(args, methodID); \ | |
| 1792 JavaValue jvalue(Tag); \ | |
| 1793 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1794 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1795 va_end(args); \ | |
| 1796 ret = jvalue.get_##ResultType(); \ | |
| 1797 return ret;\ | |
| 1798 JNI_END | |
| 1799 | |
| 1800 // the runtime type of subword integral basic types is integer | |
| 1801 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1802 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1803 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1804 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1805 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1806 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1807 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1808 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1809 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1810 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1811 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1812 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1813 | |
| 1814 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1815 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1816 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1817 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1818 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1819 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1820 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1821 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1822 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1823 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1824 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1825 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1826 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1827 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1828 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1829 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1830 | |
| 1831 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1832 , EntryProbe, ReturnProbe) \ | |
| 1833 \ | |
| 1834 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1835 , ReturnProbe); \ | |
| 1836 \ | |
| 1837 JNI_ENTRY(ResultType, \ | |
| 1838 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1839 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1840 \ | |
| 1841 EntryProbe;\ | |
| 1842 ResultType ret = 0;\ | |
| 1843 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1844 (const ResultType&)ret);\ | |
| 1845 \ | |
| 1846 JavaValue jvalue(Tag); \ | |
| 1847 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1848 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1849 ret = jvalue.get_##ResultType(); \ | |
| 1850 return ret;\ | |
| 1851 JNI_END | |
| 1852 | |
| 1853 // the runtime type of subword integral basic types is integer | |
| 1854 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1855 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1856 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1857 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1858 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1859 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1860 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1861 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1862 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1863 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1864 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1865 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1866 | |
| 1867 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1868 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1869 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1870 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1871 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1872 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1873 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1874 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1875 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1876 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1877 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1878 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1879 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1880 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1881 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1882 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1883 | |
| 1884 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1885 , EntryProbe, ReturnProbe) \ | |
| 1886 \ | |
| 1887 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1888 , ReturnProbe); \ | |
| 1889 \ | |
| 1890 JNI_ENTRY(ResultType, \ | |
| 1891 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1892 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1893 EntryProbe; \ | |
| 1894 ResultType ret = 0;\ | |
| 1895 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1896 (const ResultType&)ret);\ | |
| 1897 \ | |
| 1898 JavaValue jvalue(Tag); \ | |
| 1899 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1900 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1901 ret = jvalue.get_##ResultType(); \ | |
| 1902 return ret;\ | |
| 1903 JNI_END | |
| 1904 | |
| 1905 // the runtime type of subword integral basic types is integer | |
| 1906 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1907 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1908 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1909 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1910 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1911 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1912 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1913 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1914 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1915 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1916 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1917 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1918 | |
| 1919 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1920 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1921 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1922 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1923 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1924 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1925 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1926 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1927 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1928 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1929 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1930 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1931 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1932 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1933 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1934 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1935 | |
| 1936 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1937 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1938 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1939 | |
| 1940 #endif /* USDT2 */ | |
| 1941 | |
| 0 | 1942 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1943 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1944 #ifndef USDT2 |
| 0 | 1945 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1946 #else /* USDT2 */ |
| 1947 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1948 env, obj, (uintptr_t) methodID); | |
| 1949 #endif /* USDT2 */ | |
| 0 | 1950 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1951 | |
| 1952 va_list args; | |
| 1953 va_start(args, methodID); | |
| 1954 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1955 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1956 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1957 va_end(args); | |
| 1958 JNI_END | |
| 1959 | |
| 1960 | |
| 1961 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1962 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1963 #ifndef USDT2 |
| 0 | 1964 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1965 #else /* USDT2 */ |
| 1966 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1967 env, obj, (uintptr_t) methodID); | |
| 1968 #endif /* USDT2 */ | |
| 0 | 1969 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1970 | |
| 1971 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1972 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1973 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1974 JNI_END | |
| 1975 | |
| 1976 | |
| 1977 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1978 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1979 #ifndef USDT2 |
| 0 | 1980 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1981 #else /* USDT2 */ |
| 1982 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1983 env, obj, (uintptr_t) methodID); | |
| 1984 #endif /* USDT2 */ | |
| 0 | 1985 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1986 | |
| 1987 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1988 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1989 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1990 JNI_END | |
| 1991 | |
| 1992 | |
| 4006 | 1993 #ifndef USDT2 |
| 0 | 1994 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1995 \ | |
| 1996 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1997 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1998 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1999 \ | |
| 2000 JNI_ENTRY(ResultType, \ | |
| 2001 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2002 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2003 \ | |
| 2004 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 2005 ResultType ret;\ | |
| 2006 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2007 (const ResultType&)ret);\ | |
| 2008 \ | |
| 2009 va_list args; \ | |
| 2010 va_start(args, methodID); \ | |
| 2011 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2012 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2013 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2014 va_end(args); \ | |
| 2015 ret = jvalue.get_##ResultType(); \ | |
| 2016 return ret;\ | |
| 2017 JNI_END \ | |
| 2018 \ | |
| 2019 JNI_ENTRY(ResultType, \ | |
| 2020 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2021 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 2022 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 2023 ResultType ret;\ | |
| 2024 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2025 (const ResultType&)ret);\ | |
| 2026 \ | |
| 2027 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2028 JNI_ArgumentPusherVaArg 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 JNI_ENTRY(ResultType, \ | |
| 2035 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2036 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2037 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 2038 ResultType ret;\ | |
| 2039 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2040 (const ResultType&)ret);\ | |
| 2041 \ | |
| 2042 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2043 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2044 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 2045 ret = jvalue.get_##ResultType(); \ | |
| 2046 return ret;\ | |
| 2047 JNI_END | |
| 2048 | |
| 2049 // the runtime type of subword integral basic types is integer | |
| 2050 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2051 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2052 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2053 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2054 | |
| 2055 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2056 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2057 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2058 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2059 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2060 | |
| 2061 | |
| 2062 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2063 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2064 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2065 | |
| 4006 | 2066 #else /* USDT2 */ |
| 2067 | |
| 2068 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2069 , EntryProbe, ReturnProbe) \ | |
| 2070 \ | |
| 2071 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2072 , ReturnProbe);\ | |
| 2073 \ | |
| 2074 JNI_ENTRY(ResultType, \ | |
| 2075 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2076 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2077 \ | |
| 2078 EntryProbe;\ | |
| 2079 ResultType ret;\ | |
| 2080 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2081 (const ResultType&)ret);\ | |
| 2082 \ | |
| 2083 va_list args; \ | |
| 2084 va_start(args, methodID); \ | |
| 2085 JavaValue jvalue(Tag); \ | |
| 2086 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2087 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2088 va_end(args); \ | |
| 2089 ret = jvalue.get_##ResultType(); \ | |
| 2090 return ret;\ | |
| 2091 JNI_END | |
| 2092 | |
| 2093 // the runtime type of subword integral basic types is integer | |
| 2094 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2095 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2096 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2097 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2098 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2099 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2100 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2101 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2102 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2103 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2104 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2105 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2106 | |
| 2107 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2108 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2109 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2110 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2111 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2112 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2113 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2114 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2115 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2116 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2117 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2118 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2119 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2120 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2121 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2122 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2123 | |
| 2124 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2125 , EntryProbe, ReturnProbe) \ | |
| 2126 \ | |
| 2127 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2128 , ReturnProbe);\ | |
| 2129 \ | |
| 2130 JNI_ENTRY(ResultType, \ | |
| 2131 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2132 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2133 \ | |
| 2134 EntryProbe;\ | |
| 2135 ResultType ret;\ | |
| 2136 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2137 (const ResultType&)ret);\ | |
| 2138 \ | |
| 2139 JavaValue jvalue(Tag); \ | |
| 2140 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2141 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2142 ret = jvalue.get_##ResultType(); \ | |
| 2143 return ret;\ | |
| 2144 JNI_END | |
| 2145 | |
| 2146 // the runtime type of subword integral basic types is integer | |
| 2147 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2148 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2149 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2150 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2151 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2152 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2153 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2154 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2155 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2156 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2157 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2158 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2159 | |
| 2160 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2161 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2162 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2163 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2164 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2165 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2166 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2167 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2168 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2169 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2170 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2171 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2172 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2173 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2174 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2175 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2176 | |
| 2177 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2178 , EntryProbe, ReturnProbe) \ | |
| 2179 \ | |
| 2180 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2181 , ReturnProbe);\ | |
| 2182 \ | |
| 2183 JNI_ENTRY(ResultType, \ | |
| 2184 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2185 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2186 \ | |
| 2187 EntryProbe;\ | |
| 2188 ResultType ret;\ | |
| 2189 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2190 (const ResultType&)ret);\ | |
| 2191 \ | |
| 2192 JavaValue jvalue(Tag); \ | |
| 2193 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2194 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2195 ret = jvalue.get_##ResultType(); \ | |
| 2196 return ret;\ | |
| 2197 JNI_END | |
| 2198 | |
| 2199 // the runtime type of subword integral basic types is integer | |
| 2200 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2201 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2202 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2203 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2204 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2205 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2206 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2207 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2208 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2209 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2210 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2211 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2212 | |
| 2213 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2214 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2215 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2216 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2217 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2218 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2219 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2220 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2221 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2222 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2223 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2224 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2225 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2226 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2227 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2228 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2229 | |
| 2230 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2231 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2232 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2233 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2234 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2235 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2236 #endif /* USDT2 */ | |
| 2237 | |
| 0 | 2238 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2239 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2240 | |
| 4006 | 2241 #ifndef USDT2 |
| 0 | 2242 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2243 env, obj, cls, methodID); | |
| 4006 | 2244 #else /* USDT2 */ |
| 2245 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2246 env, obj, cls, (uintptr_t) methodID); | |
| 2247 #endif /* USDT2 */ | |
| 0 | 2248 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2249 | |
| 2250 va_list args; | |
| 2251 va_start(args, methodID); | |
| 2252 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2253 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2254 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2255 va_end(args); | |
| 2256 JNI_END | |
| 2257 | |
| 2258 | |
| 2259 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2260 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2261 | |
| 4006 | 2262 #ifndef USDT2 |
| 0 | 2263 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2264 env, obj, cls, methodID); | |
| 4006 | 2265 #else /* USDT2 */ |
| 2266 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2267 env, obj, cls, (uintptr_t) methodID); | |
| 2268 #endif /* USDT2 */ | |
| 0 | 2269 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2270 | |
| 2271 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2272 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2273 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2274 JNI_END | |
| 2275 | |
| 2276 | |
| 2277 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2278 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2279 #ifndef USDT2 |
| 0 | 2280 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2281 env, obj, cls, methodID); | |
| 4006 | 2282 #else /* USDT2 */ |
| 2283 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2284 env, obj, cls, (uintptr_t) methodID); | |
| 2285 #endif /* USDT2 */ | |
| 0 | 2286 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2287 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2288 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2289 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2290 JNI_END | |
| 2291 | |
| 2292 | |
| 4006 | 2293 #ifndef USDT2 |
| 0 | 2294 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2295 \ | |
| 2296 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2297 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2298 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2299 \ | |
| 2300 JNI_ENTRY(ResultType, \ | |
| 2301 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2302 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2303 \ | |
| 2304 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2305 ResultType ret = 0;\ | |
| 2306 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2307 (const ResultType&)ret);\ | |
| 2308 \ | |
| 2309 va_list args; \ | |
| 2310 va_start(args, methodID); \ | |
| 2311 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2312 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2313 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2314 va_end(args); \ | |
| 2315 ret = jvalue.get_##ResultType(); \ | |
| 2316 return ret;\ | |
| 2317 JNI_END \ | |
| 2318 \ | |
| 2319 JNI_ENTRY(ResultType, \ | |
| 2320 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2321 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2322 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2323 ResultType ret = 0;\ | |
| 2324 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2325 (const ResultType&)ret);\ | |
| 2326 \ | |
| 2327 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2328 JNI_ArgumentPusherVaArg 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 JNI_ENTRY(ResultType, \ | |
| 2335 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2336 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2337 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2338 ResultType ret = 0;\ | |
| 2339 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2340 (const ResultType&)ret);\ | |
| 2341 \ | |
| 2342 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2343 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2344 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2345 ret = jvalue.get_##ResultType(); \ | |
| 2346 return ret;\ | |
| 2347 JNI_END | |
| 2348 | |
| 2349 // the runtime type of subword integral basic types is integer | |
| 2350 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2351 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2352 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2353 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2354 | |
| 2355 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2356 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2357 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2358 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2359 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2360 | |
| 2361 | |
| 2362 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2363 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2364 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2365 | |
| 4006 | 2366 #else /* USDT2 */ |
| 2367 | |
| 2368 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2369 , EntryProbe, ResultProbe) \ | |
| 2370 \ | |
| 2371 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2372 , ResultProbe); \ | |
| 2373 \ | |
| 2374 JNI_ENTRY(ResultType, \ | |
| 2375 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2376 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2377 \ | |
| 2378 EntryProbe; \ | |
| 2379 ResultType ret = 0;\ | |
| 2380 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2381 (const ResultType&)ret);\ | |
| 2382 \ | |
| 2383 va_list args; \ | |
| 2384 va_start(args, methodID); \ | |
| 2385 JavaValue jvalue(Tag); \ | |
| 2386 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2387 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2388 va_end(args); \ | |
| 2389 ret = jvalue.get_##ResultType(); \ | |
| 2390 return ret;\ | |
| 2391 JNI_END | |
| 2392 | |
| 2393 // the runtime type of subword integral basic types is integer | |
| 2394 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2395 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2396 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2397 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2398 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2399 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2400 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2401 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2402 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2403 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2404 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2405 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2406 | |
| 2407 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2408 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2409 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2410 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2411 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2412 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2413 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2414 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2415 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2416 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2417 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2418 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2419 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2420 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2421 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2422 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2423 | |
| 2424 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2425 , EntryProbe, ResultProbe) \ | |
| 2426 \ | |
| 2427 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2428 , ResultProbe); \ | |
| 2429 \ | |
| 2430 JNI_ENTRY(ResultType, \ | |
| 2431 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2432 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2433 \ | |
| 2434 EntryProbe; \ | |
| 2435 ResultType ret = 0;\ | |
| 2436 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2437 (const ResultType&)ret);\ | |
| 2438 \ | |
| 2439 JavaValue jvalue(Tag); \ | |
| 2440 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2441 /* Make sure class is initialized before trying to invoke its method */ \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2442 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2443 k()->initialize(CHECK_0); \ |
| 4006 | 2444 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2445 va_end(args); \ | |
| 2446 ret = jvalue.get_##ResultType(); \ | |
| 2447 return ret;\ | |
| 2448 JNI_END | |
| 2449 | |
| 2450 // the runtime type of subword integral basic types is integer | |
| 2451 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2452 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2453 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2454 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2455 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2456 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2457 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2458 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2459 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2460 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2461 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2462 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2463 | |
| 2464 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2465 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2466 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2467 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2468 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2469 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2470 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2471 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2472 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2473 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2474 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2475 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2476 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2477 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2478 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2479 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2480 | |
| 2481 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2482 , EntryProbe, ResultProbe) \ | |
| 2483 \ | |
| 2484 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2485 , ResultProbe); \ | |
| 2486 \ | |
| 2487 JNI_ENTRY(ResultType, \ | |
| 2488 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2489 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2490 \ | |
| 2491 EntryProbe; \ | |
| 2492 ResultType ret = 0;\ | |
| 2493 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2494 (const ResultType&)ret);\ | |
| 2495 \ | |
| 2496 JavaValue jvalue(Tag); \ | |
| 2497 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2498 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2499 ret = jvalue.get_##ResultType(); \ | |
| 2500 return ret;\ | |
| 2501 JNI_END | |
| 2502 | |
| 2503 // the runtime type of subword integral basic types is integer | |
| 2504 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2505 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2506 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2507 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2508 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2509 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2510 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2511 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2512 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2513 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2514 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2515 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2516 | |
| 2517 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2518 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2519 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2520 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2521 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2522 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2523 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2524 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2525 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2526 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2527 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2528 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2529 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2530 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2531 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2532 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2533 | |
| 2534 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2535 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2536 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2537 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2538 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2539 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2540 #endif /* USDT2 */ | |
| 2541 | |
| 0 | 2542 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2543 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2544 #ifndef USDT2 |
| 0 | 2545 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2546 #else /* USDT2 */ |
| 2547 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2548 env, cls, (uintptr_t) methodID); | |
| 2549 #endif /* USDT2 */ | |
| 0 | 2550 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2551 | |
| 2552 va_list args; | |
| 2553 va_start(args, methodID); | |
| 2554 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2555 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2556 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2557 va_end(args); | |
| 2558 JNI_END | |
| 2559 | |
| 2560 | |
| 2561 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2562 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2563 #ifndef USDT2 |
| 0 | 2564 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2565 #else /* USDT2 */ |
| 2566 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2567 env, cls, (uintptr_t) methodID); | |
| 2568 #endif /* USDT2 */ | |
| 0 | 2569 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2570 | |
| 2571 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2572 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2573 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2574 JNI_END | |
| 2575 | |
| 2576 | |
| 2577 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2578 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2579 #ifndef USDT2 |
| 0 | 2580 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2581 #else /* USDT2 */ |
| 2582 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2583 env, cls, (uintptr_t) methodID); | |
| 2584 #endif /* USDT2 */ | |
| 0 | 2585 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2586 | |
| 2587 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2588 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2589 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2590 JNI_END | |
| 2591 | |
| 2592 | |
| 2593 // | |
| 2594 // Accessing Fields | |
| 2595 // | |
| 2596 | |
| 2597 | |
| 4006 | 2598 #ifndef USDT2 |
| 0 | 2599 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2600 #else /* USDT2 */ |
| 2601 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2602 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2603 #endif /* USDT2 */ | |
| 0 | 2604 |
| 2605 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2606 const char *name, const char *sig)) | |
| 2607 JNIWrapper("GetFieldID"); | |
| 4006 | 2608 #ifndef USDT2 |
| 0 | 2609 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2610 #else /* USDT2 */ |
| 2611 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2612 env, clazz, (char *) name, (char *) sig); | |
| 2613 #endif /* USDT2 */ | |
| 0 | 2614 jfieldID ret = 0; |
| 2615 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2616 | |
| 2617 // The class should have been loaded (we have an instance of the class | |
| 2618 // passed in) so the field and signature should already be in the symbol | |
| 2619 // table. If they're not there, the field doesn't exist. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2620 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2621 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2622 if (fieldname == NULL || signame == NULL) { |
| 0 | 2623 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2624 } | |
| 2625 KlassHandle k(THREAD, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2626 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2627 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2628 k()->initialize(CHECK_NULL); |
| 0 | 2629 |
| 2630 fieldDescriptor fd; | |
| 6983 | 2631 if (!k()->oop_is_instance() || |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2632 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2633 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2634 } | |
| 2635 | |
| 2636 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2637 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2638 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2639 return ret; | |
| 2640 JNI_END | |
| 2641 | |
| 2642 | |
| 2643 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2644 JNIWrapper("GetObjectField"); | |
| 4006 | 2645 #ifndef USDT2 |
| 0 | 2646 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2647 #else /* USDT2 */ |
| 2648 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2649 env, obj, (uintptr_t) fieldID); | |
| 2650 #endif /* USDT2 */ | |
| 0 | 2651 oop o = JNIHandles::resolve_non_null(obj); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2652 Klass* k = o->klass(); |
| 0 | 2653 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2654 // Keep JVMTI addition small and only check enabled flag here. | |
| 2655 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2656 if (JvmtiExport::should_post_field_access()) { | |
| 2657 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2658 } | |
| 2659 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2660 #ifndef SERIALGC |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2661 // If G1 is enabled and we are accessing the value of the referent |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2662 // field in a reference object then we need to register a non-null |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2663 // referent with the SATB barrier. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2664 if (UseG1GC) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2665 bool needs_barrier = false; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2666 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2667 if (ret != NULL && |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2668 offset == java_lang_ref_Reference::referent_offset && |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2669 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2670 assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity"); |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2671 needs_barrier = true; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2672 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2673 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2674 if (needs_barrier) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2675 oop referent = JNIHandles::resolve(ret); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2676 G1SATBCardTableModRefBS::enqueue(referent); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2677 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2678 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2679 #endif // SERIALGC |
| 4006 | 2680 #ifndef USDT2 |
| 0 | 2681 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2682 #else /* USDT2 */ |
| 2683 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2684 ret); | |
| 2685 #endif /* USDT2 */ | |
| 0 | 2686 return ret; |
| 2687 JNI_END | |
| 2688 | |
| 2689 | |
| 4006 | 2690 #ifndef USDT2 |
| 0 | 2691 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2692 \ | |
| 2693 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2694 \ | |
| 2695 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2696 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2697 \ | |
| 2698 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2699 Return ret = 0;\ | |
| 2700 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2701 \ | |
| 2702 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2703 Klass* k = o->klass(); \ |
| 0 | 2704 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2705 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2706 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2707 /* and creates a ResetNoHandleMark. */ \ | |
| 2708 if (JvmtiExport::should_post_field_access()) { \ | |
| 2709 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2710 } \ | |
| 2711 ret = o->Fieldname##_field(offset); \ | |
| 2712 return ret; \ | |
| 2713 JNI_END | |
| 2714 | |
| 2715 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2716 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2717 DEFINE_GETFIELD(jchar, char, Char) | |
| 2718 DEFINE_GETFIELD(jshort, short, Short) | |
| 2719 DEFINE_GETFIELD(jint, int, Int) | |
| 2720 DEFINE_GETFIELD(jlong, long, Long) | |
| 2721 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2722 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2723 | |
| 4006 | 2724 #else /* USDT2 */ |
| 2725 | |
| 2726 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2727 , EntryProbe, ReturnProbe) \ | |
| 2728 \ | |
| 2729 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2730 , ReturnProbe); \ | |
| 2731 \ | |
| 2732 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2733 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2734 \ | |
| 2735 EntryProbe; \ | |
| 2736 Return ret = 0;\ | |
| 2737 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2738 \ | |
| 2739 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2740 Klass* k = o->klass(); \ |
| 4006 | 2741 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2742 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2743 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2744 /* and creates a ResetNoHandleMark. */ \ | |
| 2745 if (JvmtiExport::should_post_field_access()) { \ | |
| 2746 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2747 } \ | |
| 2748 ret = o->Fieldname##_field(offset); \ | |
| 2749 return ret; \ | |
| 2750 JNI_END | |
| 2751 | |
| 2752 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2753 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2754 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2755 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2756 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2757 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2758 DEFINE_GETFIELD(jchar, char, Char | |
| 2759 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2760 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2761 DEFINE_GETFIELD(jshort, short, Short | |
| 2762 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2763 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2764 DEFINE_GETFIELD(jint, int, Int | |
| 2765 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2766 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2767 DEFINE_GETFIELD(jlong, long, Long | |
| 2768 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2769 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2770 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2771 DEFINE_GETFIELD(jfloat, float, Float | |
| 2772 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2773 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2774 DEFINE_GETFIELD(jdouble, double, Double | |
| 2775 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2776 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2777 #endif /* USDT2 */ | |
| 2778 | |
| 0 | 2779 address jni_GetBooleanField_addr() { |
| 2780 return (address)jni_GetBooleanField; | |
| 2781 } | |
| 2782 address jni_GetByteField_addr() { | |
| 2783 return (address)jni_GetByteField; | |
| 2784 } | |
| 2785 address jni_GetCharField_addr() { | |
| 2786 return (address)jni_GetCharField; | |
| 2787 } | |
| 2788 address jni_GetShortField_addr() { | |
| 2789 return (address)jni_GetShortField; | |
| 2790 } | |
| 2791 address jni_GetIntField_addr() { | |
| 2792 return (address)jni_GetIntField; | |
| 2793 } | |
| 2794 address jni_GetLongField_addr() { | |
| 2795 return (address)jni_GetLongField; | |
| 2796 } | |
| 2797 address jni_GetFloatField_addr() { | |
| 2798 return (address)jni_GetFloatField; | |
| 2799 } | |
| 2800 address jni_GetDoubleField_addr() { | |
| 2801 return (address)jni_GetDoubleField; | |
| 2802 } | |
| 2803 | |
| 2804 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2805 JNIWrapper("SetObjectField"); | |
| 4006 | 2806 #ifndef USDT2 |
| 0 | 2807 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2808 #else /* USDT2 */ |
| 2809 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2810 env, obj, (uintptr_t) fieldID, value); | |
| 2811 #endif /* USDT2 */ | |
| 0 | 2812 oop o = JNIHandles::resolve_non_null(obj); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2813 Klass* k = o->klass(); |
| 0 | 2814 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2815 // Keep JVMTI addition small and only check enabled flag here. | |
| 2816 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2817 // and creates a ResetNoHandleMark. | |
| 2818 if (JvmtiExport::should_post_field_modification()) { | |
| 2819 jvalue field_value; | |
| 2820 field_value.l = value; | |
| 2821 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2822 } | |
| 2823 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2824 #ifndef USDT2 |
| 0 | 2825 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2826 #else /* USDT2 */ |
| 2827 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2828 ); | |
| 2829 #endif /* USDT2 */ | |
| 0 | 2830 JNI_END |
| 2831 | |
| 4006 | 2832 #ifndef USDT2 |
| 0 | 2833 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2834 \ | |
| 2835 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2836 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2837 \ | |
|
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
2838 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
2839 DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
2840 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2841 \ |
| 2842 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2843 Klass* k = o->klass(); \ |
| 0 | 2844 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2845 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2846 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2847 /* and creates a ResetNoHandleMark. */ \ | |
| 2848 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2849 jvalue field_value; \ | |
| 2850 field_value.unionType = value; \ | |
| 2851 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2852 } \ | |
| 2853 o->Fieldname##_field_put(offset, value); \ | |
| 2854 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2855 JNI_END | |
| 2856 | |
| 2857 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2858 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2859 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2860 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2861 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2862 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2863 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2864 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2865 | |
| 4006 | 2866 #else /* USDT2 */ |
| 2867 | |
| 2868 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2869 , EntryProbe, ReturnProbe) \ | |
| 2870 \ | |
| 2871 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2872 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2873 \ | |
| 2874 EntryProbe; \ | |
| 2875 \ | |
| 2876 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2877 Klass* k = o->klass(); \ |
| 4006 | 2878 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2879 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2880 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2881 /* and creates a ResetNoHandleMark. */ \ | |
| 2882 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2883 jvalue field_value; \ | |
| 2884 field_value.unionType = value; \ | |
| 2885 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2886 } \ | |
| 2887 o->Fieldname##_field_put(offset, value); \ | |
| 2888 ReturnProbe; \ | |
| 2889 JNI_END | |
| 2890 | |
| 2891 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2892 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2893 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2894 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2895 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2896 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2897 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2898 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2899 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2900 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2901 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2902 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2903 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2904 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2905 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2906 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2907 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2908 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2909 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2910 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2911 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2912 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2913 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2914 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2915 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2916 #endif /* USDT2 */ | |
| 2917 | |
| 2918 #ifndef USDT2 | |
| 0 | 2919 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2920 #else /* USDT2 */ |
| 2921 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2922 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2923 #endif /* USDT2 */ | |
| 0 | 2924 |
| 2925 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2926 JNIWrapper("ToReflectedField"); | |
| 4006 | 2927 #ifndef USDT2 |
| 0 | 2928 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2929 env, cls, fieldID, isStatic); | |
| 4006 | 2930 #else /* USDT2 */ |
| 2931 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2932 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2933 #endif /* USDT2 */ | |
| 0 | 2934 jobject ret = NULL; |
| 2935 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2936 | |
| 2937 fieldDescriptor fd; | |
| 2938 bool found = false; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2939 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2940 |
| 2941 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2942 | |
| 2943 if (isStatic) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2944 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2945 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2946 assert(id->is_static_field_id(), "invalid static field id"); | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
2947 found = id->find_local_field(&fd); |
| 0 | 2948 } else { |
| 2949 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2950 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2951 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2952 } |
| 2953 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2954 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2955 ret = JNIHandles::make_local(env, reflected); | |
| 2956 return ret; | |
| 2957 JNI_END | |
| 2958 | |
| 2959 | |
| 2960 // | |
| 2961 // Accessing Static Fields | |
| 2962 // | |
| 4006 | 2963 #ifndef USDT2 |
| 0 | 2964 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2965 #else /* USDT2 */ |
| 2966 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2967 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2968 #endif /* USDT2 */ | |
| 0 | 2969 |
| 2970 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2971 const char *name, const char *sig)) | |
| 2972 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2973 #ifndef USDT2 |
| 0 | 2974 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2975 #else /* USDT2 */ |
| 2976 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2977 env, clazz, (char *) name, (char *) sig); | |
| 2978 #endif /* USDT2 */ | |
| 0 | 2979 jfieldID ret = NULL; |
| 2980 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2981 | |
| 2982 // The class should have been loaded (we have an instance of the class | |
| 2983 // passed in) so the field and signature should already be in the symbol | |
| 2984 // table. If they're not there, the field doesn't exist. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2985 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2986 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2987 if (fieldname == NULL || signame == NULL) { |
| 0 | 2988 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2989 } | |
| 2990 KlassHandle k(THREAD, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2991 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2992 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2993 k()->initialize(CHECK_NULL); |
| 0 | 2994 |
| 2995 fieldDescriptor fd; | |
| 6983 | 2996 if (!k()->oop_is_instance() || |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2997 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2998 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2999 } | |
| 3000 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3001 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
|
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6856
diff
changeset
|
3002 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 3003 debug_only(id->set_is_static_field_id();) |
| 3004 | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3005 debug_only(id->verify(fd.field_holder())); |
| 0 | 3006 |
| 3007 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 3008 return ret; | |
| 3009 JNI_END | |
| 3010 | |
| 3011 | |
| 3012 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 3013 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 3014 #ifndef USDT2 |
| 0 | 3015 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 3016 #else /* USDT2 */ |
| 3017 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 3018 env, clazz, (uintptr_t) fieldID); | |
| 3019 #endif /* USDT2 */ | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3020 #if INCLUDE_JNI_CHECK |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3021 DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);) |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3022 #endif // INCLUDE_JNI_CHECK |
| 0 | 3023 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3024 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3025 // Keep JVMTI addition small and only check enabled flag here. | |
| 3026 // jni_GetField_probe() assumes that is okay to create handles. | |
| 3027 if (JvmtiExport::should_post_field_access()) { | |
| 3028 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 3029 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3030 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 3031 #ifndef USDT2 |
| 0 | 3032 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 3033 #else /* USDT2 */ |
| 3034 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 3035 ret); | |
| 3036 #endif /* USDT2 */ | |
| 0 | 3037 return ret; |
| 3038 JNI_END | |
| 3039 | |
| 4006 | 3040 #ifndef USDT2 |
| 0 | 3041 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 3042 \ | |
| 3043 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 3044 \ | |
| 3045 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3046 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3047 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3048 Return ret = 0;\ | |
| 3049 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3050 (const Return&)ret);\ | |
| 3051 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3052 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3053 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3054 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3055 if (JvmtiExport::should_post_field_access()) { \ | |
| 3056 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3057 } \ | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3058 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3059 return ret;\ |
| 3060 JNI_END | |
| 3061 | |
| 3062 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3063 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3064 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3065 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3066 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3067 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3068 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3069 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3070 | |
| 4006 | 3071 #else /* USDT2 */ |
| 3072 | |
| 3073 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3074 , EntryProbe, ReturnProbe) \ | |
| 3075 \ | |
| 3076 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3077 , ReturnProbe); \ | |
| 3078 \ | |
| 3079 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3080 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3081 EntryProbe; \ | |
| 3082 Return ret = 0;\ | |
| 3083 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3084 (const Return&)ret);\ | |
| 3085 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3086 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3087 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3088 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3089 if (JvmtiExport::should_post_field_access()) { \ | |
| 3090 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3091 } \ | |
| 3092 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3093 return ret;\ | |
| 3094 JNI_END | |
| 3095 | |
| 3096 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3097 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3098 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3099 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3100 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3101 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3102 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3103 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3104 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3105 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3106 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3107 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3108 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3109 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3110 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3111 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3112 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3113 #endif /* USDT2 */ | |
| 0 | 3114 |
| 3115 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3116 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3117 #ifndef USDT2 |
| 0 | 3118 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3119 #else /* USDT2 */ |
| 3120 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3121 env, clazz, (uintptr_t) fieldID, value); | |
| 3122 #endif /* USDT2 */ | |
| 0 | 3123 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3124 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3125 // Keep JVMTI addition small and only check enabled flag here. | |
| 3126 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3127 if (JvmtiExport::should_post_field_modification()) { | |
| 3128 jvalue field_value; | |
| 3129 field_value.l = value; | |
| 3130 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3131 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3132 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3133 #ifndef USDT2 |
| 0 | 3134 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3135 #else /* USDT2 */ |
| 3136 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3137 ); | |
| 3138 #endif /* USDT2 */ | |
| 0 | 3139 JNI_END |
| 3140 | |
| 3141 | |
| 4006 | 3142 #ifndef USDT2 |
| 0 | 3143 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3144 \ | |
| 3145 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3146 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3147 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3148 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
|
3149 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3150 \ |
| 3151 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3152 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3153 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3154 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3155 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3156 jvalue field_value; \ | |
| 3157 field_value.unionType = value; \ | |
| 3158 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3159 } \ | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3160 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3161 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3162 JNI_END | |
| 3163 | |
| 3164 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3165 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3166 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3167 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3168 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3169 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3170 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3171 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3172 | |
| 4006 | 3173 #else /* USDT2 */ |
| 3174 | |
| 3175 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3176 , EntryProbe, ReturnProbe) \ | |
| 3177 \ | |
| 3178 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3179 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3180 EntryProbe; \ | |
| 3181 \ | |
| 3182 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3183 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3184 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3185 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3186 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3187 jvalue field_value; \ | |
| 3188 field_value.unionType = value; \ | |
| 3189 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3190 } \ | |
| 3191 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3192 ReturnProbe;\ | |
| 3193 JNI_END | |
| 3194 | |
| 3195 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3196 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3197 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3198 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3199 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3200 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3201 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3202 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3203 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3204 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3205 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3206 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3207 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3208 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3209 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3210 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3211 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3212 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3213 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3214 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3215 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3216 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3217 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3218 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3219 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3220 #endif /* USDT2 */ | |
| 0 | 3221 |
| 3222 // | |
| 3223 // String Operations | |
| 3224 // | |
| 3225 | |
| 3226 // Unicode Interface | |
| 3227 | |
| 4006 | 3228 #ifndef USDT2 |
| 0 | 3229 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3230 #else /* USDT2 */ |
| 3231 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3232 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3233 #endif /* USDT2 */ | |
| 0 | 3234 |
| 3235 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3236 JNIWrapper("NewString"); | |
| 4006 | 3237 #ifndef USDT2 |
| 0 | 3238 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3239 #else /* USDT2 */ |
| 3240 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3241 env, (uint16_t *) unicodeChars, len); | |
| 3242 #endif /* USDT2 */ | |
| 0 | 3243 jstring ret = NULL; |
| 3244 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3245 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3246 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3247 return ret; | |
| 3248 JNI_END | |
| 3249 | |
| 3250 | |
| 3251 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3252 JNIWrapper("GetStringLength"); | |
| 4006 | 3253 #ifndef USDT2 |
| 0 | 3254 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3255 #else /* USDT2 */ |
| 3256 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3257 env, string); | |
| 3258 #endif /* USDT2 */ | |
| 0 | 3259 jsize ret = java_lang_String::length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3260 #ifndef USDT2 |
| 0 | 3261 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3262 #else /* USDT2 */ |
| 3263 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3264 ret); | |
| 3265 #endif /* USDT2 */ | |
| 0 | 3266 return ret; |
| 3267 JNI_END | |
| 3268 | |
| 3269 | |
| 3270 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3271 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3272 JNIWrapper("GetStringChars"); | |
| 4006 | 3273 #ifndef USDT2 |
| 0 | 3274 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3275 #else /* USDT2 */ |
| 3276 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3277 env, string, (uintptr_t *) isCopy); | |
| 3278 #endif /* USDT2 */ | |
| 0 | 3279 //%note jni_5 |
| 3280 if (isCopy != NULL) { | |
| 3281 *isCopy = JNI_TRUE; | |
| 3282 } | |
| 3283 oop s = JNIHandles::resolve_non_null(string); | |
| 3284 int s_len = java_lang_String::length(s); | |
| 3285 typeArrayOop s_value = java_lang_String::value(s); | |
| 3286 int s_offset = java_lang_String::offset(s); | |
| 6197 | 3287 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination |
| 0 | 3288 if (s_len > 0) { |
| 3289 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | |
| 3290 } | |
| 3291 buf[s_len] = 0; | |
| 4006 | 3292 #ifndef USDT2 |
| 0 | 3293 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3294 #else /* USDT2 */ |
| 3295 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3296 buf); | |
| 3297 #endif /* USDT2 */ | |
| 0 | 3298 return buf; |
| 3299 JNI_END | |
| 3300 | |
| 3301 | |
| 3302 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3303 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3304 #ifndef USDT2 |
| 0 | 3305 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3306 #else /* USDT2 */ |
| 3307 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3308 env, str, (uint16_t *) chars); | |
| 3309 #endif /* USDT2 */ | |
| 0 | 3310 //%note jni_6 |
| 3311 if (chars != NULL) { | |
| 3312 // Since String objects are supposed to be immutable, don't copy any | |
| 3313 // new data back. A bad user will have to go after the char array. | |
| 3314 FreeHeap((void*) chars); | |
| 3315 } | |
| 4006 | 3316 #ifndef USDT2 |
| 0 | 3317 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3318 #else /* USDT2 */ |
| 3319 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3320 ); | |
| 3321 #endif /* USDT2 */ | |
| 0 | 3322 JNI_END |
| 3323 | |
| 3324 | |
| 3325 // UTF Interface | |
| 3326 | |
| 4006 | 3327 #ifndef USDT2 |
| 0 | 3328 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3329 #else /* USDT2 */ |
| 3330 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3331 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3332 #endif /* USDT2 */ | |
| 0 | 3333 |
| 3334 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3335 JNIWrapper("NewStringUTF"); | |
| 4006 | 3336 #ifndef USDT2 |
| 0 | 3337 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3338 #else /* USDT2 */ |
| 3339 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3340 env, (char *) bytes); | |
| 3341 #endif /* USDT2 */ | |
| 0 | 3342 jstring ret; |
| 3343 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3344 | |
| 3345 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3346 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3347 return ret; | |
| 3348 JNI_END | |
| 3349 | |
| 3350 | |
| 3351 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3352 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3353 #ifndef USDT2 |
| 0 | 3354 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3355 #else /* USDT2 */ |
| 3356 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3357 env, string); | |
| 3358 #endif /* USDT2 */ | |
| 0 | 3359 jsize ret = java_lang_String::utf8_length(JNIHandles::resolve_non_null(string)); |
| 4006 | 3360 #ifndef USDT2 |
| 0 | 3361 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3362 #else /* USDT2 */ |
| 3363 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3364 ret); | |
| 3365 #endif /* USDT2 */ | |
| 0 | 3366 return ret; |
| 3367 JNI_END | |
| 3368 | |
| 3369 | |
| 3370 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3371 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3372 #ifndef USDT2 |
| 0 | 3373 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3374 #else /* USDT2 */ |
| 3375 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3376 env, string, (uintptr_t *) isCopy); | |
| 3377 #endif /* USDT2 */ | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3378 oop java_string = JNIHandles::resolve_non_null(string); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3379 size_t length = java_lang_String::utf8_length(java_string); |
| 6197 | 3380 char* result = AllocateHeap(length + 1, mtInternal); |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3381 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
| 0 | 3382 if (isCopy != NULL) *isCopy = JNI_TRUE; |
| 4006 | 3383 #ifndef USDT2 |
| 0 | 3384 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3385 #else /* USDT2 */ |
| 3386 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3387 result); | |
| 3388 #endif /* USDT2 */ | |
| 0 | 3389 return result; |
| 3390 JNI_END | |
| 3391 | |
| 3392 | |
| 3393 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3394 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3395 #ifndef USDT2 |
| 0 | 3396 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3397 #else /* USDT2 */ |
| 3398 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3399 env, str, (char *) chars); | |
| 3400 #endif /* USDT2 */ | |
| 0 | 3401 if (chars != NULL) { |
| 3402 FreeHeap((char*) chars); | |
| 3403 } | |
| 4006 | 3404 #ifndef USDT2 |
| 0 | 3405 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3406 #else /* USDT2 */ |
| 3407 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3408 ); | |
| 3409 #endif /* USDT2 */ | |
| 0 | 3410 JNI_END |
| 3411 | |
| 3412 | |
| 3413 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3414 JNIWrapper("GetArrayLength"); | |
| 4006 | 3415 #ifndef USDT2 |
| 0 | 3416 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3417 #else /* USDT2 */ |
| 3418 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3419 env, array); | |
| 3420 #endif /* USDT2 */ | |
| 0 | 3421 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3422 assert(a->is_array(), "must be array"); | |
| 3423 jsize ret = a->length(); | |
| 4006 | 3424 #ifndef USDT2 |
| 0 | 3425 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3426 #else /* USDT2 */ |
| 3427 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3428 ret); | |
| 3429 #endif /* USDT2 */ | |
| 0 | 3430 return ret; |
| 3431 JNI_END | |
| 3432 | |
| 3433 | |
| 3434 // | |
| 3435 // Object Array Operations | |
| 3436 // | |
| 3437 | |
| 4006 | 3438 #ifndef USDT2 |
| 0 | 3439 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3440 #else /* USDT2 */ |
| 3441 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3442 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3443 #endif /* USDT2 */ | |
| 0 | 3444 |
| 3445 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3446 JNIWrapper("NewObjectArray"); | |
| 4006 | 3447 #ifndef USDT2 |
| 0 | 3448 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3449 #else /* USDT2 */ |
| 3450 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3451 env, length, elementClass, initialElement); | |
| 3452 #endif /* USDT2 */ | |
| 0 | 3453 jobjectArray ret = NULL; |
| 3454 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
|
3455 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3456 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3457 KlassHandle ak = KlassHandle(THREAD, ako); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3458 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3459 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3460 oop initial_value = JNIHandles::resolve(initialElement); |
| 3461 if (initial_value != NULL) { // array already initialized with NULL | |
| 3462 for (int index = 0; index < length; index++) { | |
| 3463 result->obj_at_put(index, initial_value); | |
| 3464 } | |
| 3465 } | |
| 3466 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3467 return ret; | |
| 3468 JNI_END | |
| 3469 | |
| 4006 | 3470 #ifndef USDT2 |
| 0 | 3471 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3472 #else /* USDT2 */ |
| 3473 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3474 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3475 #endif /* USDT2 */ | |
| 0 | 3476 |
| 3477 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3478 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3479 #ifndef USDT2 |
| 0 | 3480 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3481 #else /* USDT2 */ |
| 3482 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3483 env, array, index); | |
| 3484 #endif /* USDT2 */ | |
| 0 | 3485 jobject ret = NULL; |
| 3486 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3487 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3488 if (a->is_within_bounds(index)) { | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3489 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3490 return ret; |
| 3491 } else { | |
| 3492 char buf[jintAsStringSize]; | |
| 3493 sprintf(buf, "%d", index); | |
| 3494 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3495 } | |
| 3496 JNI_END | |
| 3497 | |
| 4006 | 3498 #ifndef USDT2 |
| 0 | 3499 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3500 #else /* USDT2 */ |
| 3501 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3502 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3503 #endif /* USDT2 */ | |
| 0 | 3504 |
| 3505 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3506 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3507 #ifndef USDT2 |
| 0 | 3508 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3509 #else /* USDT2 */ |
| 3510 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3511 env, array, index, value); | |
| 3512 #endif /* USDT2 */ | |
| 0 | 3513 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3514 | |
| 3515 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3516 oop v = JNIHandles::resolve(value); | |
| 3517 if (a->is_within_bounds(index)) { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3518 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3519 a->obj_at_put(index, v); |
| 3520 } else { | |
| 3521 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3522 } | |
| 3523 } else { | |
| 3524 char buf[jintAsStringSize]; | |
| 3525 sprintf(buf, "%d", index); | |
| 3526 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3527 } | |
| 3528 JNI_END | |
| 3529 | |
| 3530 | |
| 4006 | 3531 #ifndef USDT2 |
| 0 | 3532 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3533 \ | |
| 4006 | 3534 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3535 \ |
| 3536 JNI_ENTRY(Return, \ | |
| 3537 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3538 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3539 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3540 Return ret = NULL;\ | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3541 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3542 \ |
| 3543 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3544 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3545 return ret;\ | |
| 3546 JNI_END | |
| 3547 | |
| 3548 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3549 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3550 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3551 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3552 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3553 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3554 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3555 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3556 | |
| 4006 | 3557 #else /* USDT2 */ |
| 3558 | |
| 3559 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3560 ,EntryProbe,ReturnProbe) \ | |
| 3561 \ | |
| 3562 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3563 , ReturnProbe); \ | |
| 3564 \ | |
| 3565 JNI_ENTRY(Return, \ | |
| 3566 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3567 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3568 EntryProbe; \ | |
| 3569 Return ret = NULL;\ | |
| 3570 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3571 \ | |
| 3572 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3573 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3574 return ret;\ | |
| 3575 JNI_END | |
| 3576 | |
| 3577 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3578 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3579 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3580 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3581 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3582 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3583 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3584 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3585 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3586 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3587 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3588 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3589 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3590 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3591 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3592 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3593 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3594 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3595 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3596 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3597 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3598 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3599 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3600 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3601 #endif /* USDT2 */ | |
| 0 | 3602 |
| 3603 // Return an address which will fault if the caller writes to it. | |
| 3604 | |
| 3605 static char* get_bad_address() { | |
| 3606 static char* bad_address = NULL; | |
| 3607 if (bad_address == NULL) { | |
| 3608 size_t size = os::vm_allocation_granularity(); | |
| 3609 bad_address = os::reserve_memory(size); | |
| 3610 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
|
3611 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
|
3612 /*is_committed*/false); |
| 0 | 3613 } |
| 3614 } | |
| 3615 return bad_address; | |
| 3616 } | |
| 3617 | |
| 3618 | |
| 4006 | 3619 #ifndef USDT2 |
| 0 | 3620 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3621 \ | |
| 3622 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3623 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3624 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3625 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3626 /* allocate an chunk of memory in c land */ \ | |
| 3627 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3628 ElementType* result; \ | |
| 3629 int len = a->length(); \ | |
| 3630 if (len == 0) { \ | |
| 3631 /* Empty array: legal but useless, can't return NULL. \ | |
| 3632 * Return a pointer to something useless. \ | |
| 3633 * Avoid asserts in typeArrayOop. */ \ | |
| 3634 result = (ElementType*)get_bad_address(); \ | |
| 3635 } else { \ | |
| 6197 | 3636 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 0 | 3637 /* copy the array to the c chunk */ \ |
| 3638 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3639 } \ | |
| 3640 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3641 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3642 return result; \ | |
| 3643 JNI_END | |
| 3644 | |
| 3645 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3646 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3647 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3648 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3649 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3650 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3651 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3652 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3653 | |
| 4006 | 3654 #else /* USDT2 */ |
| 3655 | |
| 3656 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3657 , EntryProbe, ReturnProbe) \ | |
| 3658 \ | |
| 3659 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3660 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3661 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3662 EntryProbe; \ | |
| 3663 /* allocate an chunk of memory in c land */ \ | |
| 3664 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3665 ElementType* result; \ | |
| 3666 int len = a->length(); \ | |
| 3667 if (len == 0) { \ | |
| 3668 /* Empty array: legal but useless, can't return NULL. \ | |
| 3669 * Return a pointer to something useless. \ | |
| 3670 * Avoid asserts in typeArrayOop. */ \ | |
| 3671 result = (ElementType*)get_bad_address(); \ | |
| 3672 } else { \ | |
| 6197 | 3673 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ |
| 4006 | 3674 /* copy the array to the c chunk */ \ |
| 3675 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3676 } \ | |
| 3677 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3678 ReturnProbe; \ | |
| 3679 return result; \ | |
| 3680 JNI_END | |
| 3681 | |
| 3682 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3683 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3684 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3685 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3686 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3687 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3688 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3689 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3690 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3691 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3692 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3693 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3694 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3695 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3696 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3697 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3698 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3699 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3700 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3701 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3702 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3703 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3704 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3705 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3706 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3707 #endif /* USDT2 */ | |
| 3708 | |
| 3709 #ifndef USDT2 | |
| 0 | 3710 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3711 \ | |
| 3712 JNI_QUICK_ENTRY(void, \ | |
| 3713 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3714 ElementType *buf, jint mode)) \ | |
| 3715 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3716 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3717 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3718 int len = a->length(); \ | |
| 3719 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3720 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3721 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3722 } \ | |
| 3723 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3724 FreeHeap(buf); \ | |
| 3725 } \ | |
| 3726 } \ | |
| 3727 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3728 JNI_END | |
| 3729 | |
| 3730 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3731 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3732 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3733 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3734 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3735 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3736 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3737 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3738 | |
| 4006 | 3739 #else /* USDT2 */ |
| 3740 | |
| 3741 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3742 , EntryProbe, ReturnProbe);\ | |
| 3743 \ | |
| 3744 JNI_QUICK_ENTRY(void, \ | |
| 3745 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3746 ElementType *buf, jint mode)) \ | |
| 3747 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3748 EntryProbe; \ | |
| 3749 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3750 int len = a->length(); \ | |
| 3751 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3752 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3753 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3754 } \ | |
| 3755 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3756 FreeHeap(buf); \ | |
| 3757 } \ | |
| 3758 } \ | |
| 3759 ReturnProbe; \ | |
| 3760 JNI_END | |
| 3761 | |
| 3762 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3763 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3764 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3765 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3766 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3767 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3768 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3769 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3770 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3771 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3772 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3773 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3774 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3775 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3776 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3777 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3778 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3779 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3780 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3781 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3782 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3783 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3784 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3785 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3786 #endif /* USDT2 */ | |
| 3787 | |
| 3788 #ifndef USDT2 | |
| 0 | 3789 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3790 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3791 \ | |
| 3792 JNI_ENTRY(void, \ | |
| 3793 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3794 jsize len, ElementType *buf)) \ | |
| 3795 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3796 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3797 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3798 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3799 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3800 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3801 } else { \ | |
| 3802 if (len > 0) { \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3803 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3804 memcpy((u_char*) buf, \ |
| 3805 (u_char*) src->Tag##_at_addr(start), \ | |
| 3806 len << sc); \ | |
| 3807 } \ | |
| 3808 } \ | |
| 3809 JNI_END | |
| 3810 | |
| 3811 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3812 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3813 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3814 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3815 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3816 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3817 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3818 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3819 | |
| 4006 | 3820 #else /* USDT2 */ |
| 3821 | |
| 3822 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3823 , EntryProbe, ReturnProbe); \ | |
| 3824 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3825 , ReturnProbe); \ | |
| 3826 \ | |
| 3827 JNI_ENTRY(void, \ | |
| 3828 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3829 jsize len, ElementType *buf)) \ | |
| 3830 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3831 EntryProbe; \ | |
| 3832 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3833 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3834 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3835 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3836 } else { \ | |
| 3837 if (len > 0) { \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3838 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3839 memcpy((u_char*) buf, \ |
| 3840 (u_char*) src->Tag##_at_addr(start), \ | |
| 3841 len << sc); \ | |
| 3842 } \ | |
| 3843 } \ | |
| 3844 JNI_END | |
| 3845 | |
| 3846 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3847 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3848 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3849 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3850 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3851 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3852 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3853 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3854 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3855 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3856 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3857 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3858 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3859 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3860 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3861 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3862 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3863 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3864 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3865 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3866 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3867 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3868 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3869 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3870 #endif /* USDT2 */ | |
| 3871 | |
| 3872 #ifndef USDT2 | |
| 0 | 3873 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3874 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3875 \ | |
| 3876 JNI_ENTRY(void, \ | |
| 3877 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3878 jsize len, const ElementType *buf)) \ | |
| 3879 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3880 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3881 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3882 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3883 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3884 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3885 } else { \ | |
| 3886 if (len > 0) { \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3887 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3888 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3889 (u_char*) buf, \ | |
| 3890 len << sc); \ | |
| 3891 } \ | |
| 3892 } \ | |
| 3893 JNI_END | |
| 3894 | |
| 3895 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3896 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3897 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3898 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3899 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3900 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3901 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3902 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3903 | |
| 4006 | 3904 #else /* USDT2 */ |
| 3905 | |
| 3906 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3907 , EntryProbe, ReturnProbe); \ | |
| 3908 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3909 ,ReturnProbe); \ | |
| 3910 \ | |
| 3911 JNI_ENTRY(void, \ | |
| 3912 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3913 jsize len, const ElementType *buf)) \ | |
| 3914 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3915 EntryProbe; \ | |
| 3916 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3917 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3918 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3919 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3920 } else { \ | |
| 3921 if (len > 0) { \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3922 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3923 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3924 (u_char*) buf, \ | |
| 3925 len << sc); \ | |
| 3926 } \ | |
| 3927 } \ | |
| 3928 JNI_END | |
| 3929 | |
| 3930 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3931 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3932 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3933 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3934 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3935 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3936 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3937 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3938 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3939 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3940 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3941 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3942 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3943 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3944 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3945 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3946 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3947 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3948 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3949 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3950 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3951 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3952 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3953 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3954 #endif /* USDT2 */ | |
| 3955 | |
| 0 | 3956 |
| 3957 // | |
| 3958 // Interception of natives | |
| 3959 // | |
| 3960 | |
| 3961 // The RegisterNatives call being attempted tried to register with a method that | |
| 3962 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3963 // to see if the native method is now wrapped with the prefixes. See the | |
| 3964 // SetNativeMethodPrefix(es) functions in the JVM TI Spec for details. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3965 static Method* find_prefixed_native(KlassHandle k, |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3966 Symbol* name, Symbol* signature, TRAPS) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3967 #if INCLUDE_JVMTI |
| 0 | 3968 ResourceMark rm(THREAD); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3969 Method* method; |
| 0 | 3970 int name_len = name->utf8_length(); |
| 3971 char* name_str = name->as_utf8(); | |
| 3972 int prefix_count; | |
| 3973 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3974 for (int i = 0; i < prefix_count; i++) { | |
| 3975 char* prefix = prefixes[i]; | |
| 3976 int prefix_len = (int)strlen(prefix); | |
| 3977 | |
| 3978 // try adding this prefix to the method name and see if it matches another method name | |
| 3979 int trial_len = name_len + prefix_len; | |
| 3980 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3981 strcpy(trial_name_str, prefix); | |
| 3982 strcat(trial_name_str, name_str); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3983 TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3984 if (trial_name == NULL) { |
| 0 | 3985 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3986 } | |
| 6983 | 3987 method = k()->lookup_method(trial_name, signature); |
| 0 | 3988 if (method == NULL) { |
| 3989 continue; // signature doesn't match, try the next prefix | |
| 3990 } | |
| 3991 if (method->is_native()) { | |
| 3992 method->set_is_prefixed_native(); | |
| 3993 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3994 } | |
| 3995 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3996 name_len = trial_len; | |
| 3997 name_str = trial_name_str; | |
| 3998 } | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3999 #endif // INCLUDE_JVMTI |
| 0 | 4000 return NULL; // not found |
| 4001 } | |
| 4002 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4003 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 4004 Method* method = k()->lookup_method(name, signature); |
| 0 | 4005 if (method == NULL) { |
| 4006 ResourceMark rm; | |
| 4007 stringStream st; | |
| 4008 st.print("Method %s name or signature does not match", | |
| 6983 | 4009 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4010 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4011 } | |
| 4012 if (!method->is_native()) { | |
| 4013 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4014 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4015 if (method == NULL) { | |
| 4016 ResourceMark rm; | |
| 4017 stringStream st; | |
| 4018 st.print("Method %s is not declared as native", | |
| 6983 | 4019 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4020 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4021 } | |
| 4022 } | |
| 4023 | |
| 4024 if (entry != NULL) { | |
| 4025 method->set_native_function(entry, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4026 Method::native_bind_event_is_interesting); |
| 0 | 4027 } else { |
| 4028 method->clear_native_function(); | |
| 4029 } | |
| 4030 if (PrintJNIResolving) { | |
| 4031 ResourceMark rm(THREAD); | |
| 4032 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
|
4033 method->method_holder()->external_name(), |
| 0 | 4034 method->name()->as_C_string()); |
| 4035 } | |
| 4036 return true; | |
| 4037 } | |
| 4038 | |
| 4006 | 4039 #ifndef USDT2 |
| 0 | 4040 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4041 #else /* USDT2 */ |
| 4042 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4043 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4044 #endif /* USDT2 */ | |
| 0 | 4045 |
| 4046 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4047 const JNINativeMethod *methods, | |
| 4048 jint nMethods)) | |
| 4049 JNIWrapper("RegisterNatives"); | |
| 4006 | 4050 #ifndef USDT2 |
| 0 | 4051 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4052 #else /* USDT2 */ |
| 4053 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4054 env, clazz, (void *) methods, nMethods); | |
| 4055 #endif /* USDT2 */ | |
| 0 | 4056 jint ret = 0; |
| 4057 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4058 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4059 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4060 |
| 4061 for (int index = 0; index < nMethods; index++) { | |
| 4062 const char* meth_name = methods[index].name; | |
| 4063 const char* meth_sig = methods[index].signature; | |
| 4064 int meth_name_len = (int)strlen(meth_name); | |
| 4065 | |
| 4066 // The class should have been loaded (we have an instance of the class | |
| 4067 // passed in) so the method and signature should already be in the symbol | |
| 4068 // table. If they're not there, the method doesn't exist. | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4069 TempNewSymbol name = SymbolTable::probe(meth_name, meth_name_len); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4070 TempNewSymbol signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4071 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4072 if (name == NULL || signature == NULL) { |
| 0 | 4073 ResourceMark rm; |
| 4074 stringStream st; | |
| 6983 | 4075 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4076 // Must return negative value on failure |
| 4077 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4078 } | |
| 4079 | |
| 4080 bool res = register_native(h_k, name, signature, | |
| 4081 (address) methods[index].fnPtr, THREAD); | |
| 4082 if (!res) { | |
| 4083 ret = -1; | |
| 4084 break; | |
| 4085 } | |
| 4086 } | |
| 4087 return ret; | |
| 4088 JNI_END | |
| 4089 | |
| 4090 | |
| 4091 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4092 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4093 #ifndef USDT2 |
| 0 | 4094 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4095 #else /* USDT2 */ |
| 4096 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4097 env, clazz); | |
| 4098 #endif /* USDT2 */ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4099 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4100 //%note jni_2 |
| 6983 | 4101 if (k->oop_is_instance()) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4102 for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4103 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4104 if (m->is_native()) { |
| 4105 m->clear_native_function(); | |
| 4106 m->set_signature_handler(NULL); | |
| 4107 } | |
| 4108 } | |
| 4109 } | |
| 4006 | 4110 #ifndef USDT2 |
| 0 | 4111 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4112 #else /* USDT2 */ |
| 4113 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4114 0); | |
| 4115 #endif /* USDT2 */ | |
| 0 | 4116 return 0; |
| 4117 JNI_END | |
| 4118 | |
| 4119 // | |
| 4120 // Monitor functions | |
| 4121 // | |
| 4122 | |
| 4006 | 4123 #ifndef USDT2 |
| 0 | 4124 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4125 #else /* USDT2 */ |
| 4126 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4127 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4128 #endif /* USDT2 */ | |
| 0 | 4129 |
| 4130 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4131 #ifndef USDT2 |
| 0 | 4132 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4133 #else /* USDT2 */ |
| 4134 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4135 env, jobj); | |
| 4136 #endif /* USDT2 */ | |
| 0 | 4137 jint ret = JNI_ERR; |
| 4138 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4139 | |
| 4140 // If the object is null, we can't do anything with it | |
| 4141 if (jobj == NULL) { | |
| 4142 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4143 } | |
| 4144 | |
| 4145 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4146 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4147 ret = JNI_OK; | |
| 4148 return ret; | |
| 4149 JNI_END | |
| 4150 | |
| 4006 | 4151 #ifndef USDT2 |
| 0 | 4152 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4153 #else /* USDT2 */ |
| 4154 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4155 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4156 #endif /* USDT2 */ | |
| 0 | 4157 |
| 4158 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4159 #ifndef USDT2 |
| 0 | 4160 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4161 #else /* USDT2 */ |
| 4162 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4163 env, jobj); | |
| 4164 #endif /* USDT2 */ | |
| 0 | 4165 jint ret = JNI_ERR; |
| 4166 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4167 | |
| 4168 // Don't do anything with a null object | |
| 4169 if (jobj == NULL) { | |
| 4170 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4171 } | |
| 4172 | |
| 4173 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4174 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4175 | |
| 4176 ret = JNI_OK; | |
| 4177 return ret; | |
| 4178 JNI_END | |
| 4179 | |
| 4180 // | |
| 4181 // Extensions | |
| 4182 // | |
| 4183 | |
| 4006 | 4184 #ifndef USDT2 |
| 0 | 4185 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4186 #else /* USDT2 */ |
| 4187 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4188 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4189 #endif /* USDT2 */ | |
| 0 | 4190 |
| 4191 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4192 JNIWrapper("GetStringRegion"); | |
| 4006 | 4193 #ifndef USDT2 |
| 0 | 4194 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4195 #else /* USDT2 */ |
| 4196 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4197 env, string, start, len, buf); | |
| 4198 #endif /* USDT2 */ | |
| 0 | 4199 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4200 oop s = JNIHandles::resolve_non_null(string); | |
| 4201 int s_len = java_lang_String::length(s); | |
| 4202 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4203 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4204 } else { | |
| 4205 if (len > 0) { | |
| 4206 int s_offset = java_lang_String::offset(s); | |
| 4207 typeArrayOop s_value = java_lang_String::value(s); | |
| 4208 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4209 } | |
| 4210 } | |
| 4211 JNI_END | |
| 4212 | |
| 4006 | 4213 #ifndef USDT2 |
| 0 | 4214 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4215 #else /* USDT2 */ |
| 4216 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4217 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4218 #endif /* USDT2 */ | |
| 0 | 4219 |
| 4220 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4221 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4222 #ifndef USDT2 |
| 0 | 4223 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4224 #else /* USDT2 */ |
| 4225 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4226 env, string, start, len, buf); | |
| 4227 #endif /* USDT2 */ | |
| 0 | 4228 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4229 oop s = JNIHandles::resolve_non_null(string); | |
| 4230 int s_len = java_lang_String::length(s); | |
| 4231 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4232 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4233 } else { | |
| 4234 //%note jni_7 | |
| 4235 if (len > 0) { | |
| 4236 ResourceMark rm(THREAD); | |
| 4237 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4238 int utf_len = (int)strlen(utf_region); | |
| 4239 memcpy(buf, utf_region, utf_len); | |
| 4240 buf[utf_len] = 0; | |
| 4241 } else { | |
| 4242 // JDK null-terminates the buffer even in len is zero | |
| 4243 if (buf != NULL) { | |
| 4244 buf[0] = 0; | |
| 4245 } | |
| 4246 } | |
| 4247 } | |
| 4248 JNI_END | |
| 4249 | |
| 4250 | |
| 4251 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4252 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4253 #ifndef USDT2 |
| 0 | 4254 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4255 #else /* USDT2 */ |
| 4256 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4257 env, array, (uintptr_t *) isCopy); | |
| 4258 #endif /* USDT2 */ | |
| 0 | 4259 GC_locker::lock_critical(thread); |
| 4260 if (isCopy != NULL) { | |
| 4261 *isCopy = JNI_FALSE; | |
| 4262 } | |
| 4263 oop a = JNIHandles::resolve_non_null(array); | |
| 4264 assert(a->is_array(), "just checking"); | |
| 4265 BasicType type; | |
| 4266 if (a->is_objArray()) { | |
| 4267 type = T_OBJECT; | |
| 4268 } else { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
4269 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4270 } |
| 4271 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4272 #ifndef USDT2 |
| 0 | 4273 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4274 #else /* USDT2 */ |
| 4275 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4276 ret); | |
| 4277 #endif /* USDT2 */ | |
| 0 | 4278 return ret; |
| 4279 JNI_END | |
| 4280 | |
| 4281 | |
| 4282 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4283 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4284 #ifndef USDT2 |
| 0 | 4285 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4286 #else /* USDT2 */ |
| 4287 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4288 env, array, carray, mode); | |
| 4289 #endif /* USDT2 */ | |
| 0 | 4290 // The array, carray and mode arguments are ignored |
| 4291 GC_locker::unlock_critical(thread); | |
| 4006 | 4292 #ifndef USDT2 |
| 0 | 4293 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4294 #else /* USDT2 */ |
| 4295 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4296 ); | |
| 4297 #endif /* USDT2 */ | |
| 0 | 4298 JNI_END |
| 4299 | |
| 4300 | |
| 4301 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4302 JNIWrapper("GetStringCritical"); | |
| 4006 | 4303 #ifndef USDT2 |
| 0 | 4304 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4305 #else /* USDT2 */ |
| 4306 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4307 env, string, (uintptr_t *) isCopy); | |
| 4308 #endif /* USDT2 */ | |
| 0 | 4309 GC_locker::lock_critical(thread); |
| 4310 if (isCopy != NULL) { | |
| 4311 *isCopy = JNI_FALSE; | |
| 4312 } | |
| 4313 oop s = JNIHandles::resolve_non_null(string); | |
| 4314 int s_len = java_lang_String::length(s); | |
| 4315 typeArrayOop s_value = java_lang_String::value(s); | |
| 4316 int s_offset = java_lang_String::offset(s); | |
| 4317 const jchar* ret; | |
| 4318 if (s_len > 0) { | |
| 4319 ret = s_value->char_at_addr(s_offset); | |
| 4320 } else { | |
| 4321 ret = (jchar*) s_value->base(T_CHAR); | |
| 4322 } | |
| 4006 | 4323 #ifndef USDT2 |
| 0 | 4324 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4325 #else /* USDT2 */ |
| 4326 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4327 (uint16_t *) ret); | |
| 4328 #endif /* USDT2 */ | |
| 0 | 4329 return ret; |
| 4330 JNI_END | |
| 4331 | |
| 4332 | |
| 4333 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4334 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4335 #ifndef USDT2 |
| 0 | 4336 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4337 #else /* USDT2 */ |
| 4338 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4339 env, str, (uint16_t *) chars); | |
| 4340 #endif /* USDT2 */ | |
| 0 | 4341 // The str and chars arguments are ignored |
| 4342 GC_locker::unlock_critical(thread); | |
| 4006 | 4343 #ifndef USDT2 |
| 0 | 4344 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4345 #else /* USDT2 */ |
| 4346 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4347 ); | |
| 4348 #endif /* USDT2 */ | |
| 0 | 4349 JNI_END |
| 4350 | |
| 4351 | |
| 4352 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4353 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4354 #ifndef USDT2 |
| 0 | 4355 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4356 #else /* USDT2 */ |
| 4357 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4358 env, ref); | |
| 4359 #endif /* USDT2 */ | |
| 0 | 4360 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4361 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4362 #ifndef USDT2 |
| 0 | 4363 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4364 #else /* USDT2 */ |
| 4365 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4366 ret); | |
| 4367 #endif /* USDT2 */ | |
| 0 | 4368 return ret; |
| 4369 JNI_END | |
| 4370 | |
| 4371 // Must be JNI_ENTRY (with HandleMark) | |
| 4372 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4373 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4374 #ifndef USDT2 |
| 0 | 4375 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4376 #else /* USDT2 */ |
| 4377 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4378 env, ref); | |
| 4379 #endif /* USDT2 */ | |
| 0 | 4380 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4381 #ifndef USDT2 |
| 0 | 4382 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4383 #else /* USDT2 */ |
| 4384 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4385 ); | |
| 4386 #endif /* USDT2 */ | |
| 0 | 4387 JNI_END |
| 4388 | |
| 4389 | |
| 4390 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4391 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4392 #ifndef USDT2 |
| 0 | 4393 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4394 #else /* USDT2 */ |
| 4395 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4396 env); | |
| 4397 #endif /* USDT2 */ | |
| 0 | 4398 jni_check_async_exceptions(thread); |
| 4399 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4400 #ifndef USDT2 |
| 0 | 4401 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4402 #else /* USDT2 */ |
| 4403 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4404 ret); | |
| 4405 #endif /* USDT2 */ | |
| 0 | 4406 return ret; |
| 4407 JNI_END | |
| 4408 | |
| 4409 | |
| 4410 // Initialization state for three routines below relating to | |
| 4411 // java.nio.DirectBuffers | |
| 4412 static jint directBufferSupportInitializeStarted = 0; | |
| 4413 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4414 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4415 static jclass bufferClass = NULL; | |
| 4416 static jclass directBufferClass = NULL; | |
| 4417 static jclass directByteBufferClass = NULL; | |
| 4418 static jmethodID directByteBufferConstructor = NULL; | |
| 4419 static jfieldID directBufferAddressField = NULL; | |
| 4420 static jfieldID bufferCapacityField = NULL; | |
| 4421 | |
| 4422 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4423 Handle loader; // null (bootstrap) loader | |
| 4424 Handle protection_domain; // null protection domain | |
| 4425 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4426 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4427 jclass result = find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4428 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4429 if (TraceClassResolution && result != NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4430 trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result))); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4431 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4432 return result; |
| 0 | 4433 } |
| 4434 | |
| 4435 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4436 // circumvent any security checks that would be done by jni_FindClass. | |
| 4437 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4438 { | |
| 4439 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4440 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4441 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4442 return true; | |
| 4443 } | |
| 4444 JNI_END | |
| 4445 | |
| 4446 | |
| 4447 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4448 if (directBufferSupportInitializeFailed) { | |
| 4449 return false; | |
| 4450 } | |
| 4451 | |
| 4452 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4453 if (!lookupDirectBufferClasses(env)) { | |
| 4454 directBufferSupportInitializeFailed = 1; | |
| 4455 return false; | |
| 4456 } | |
| 4457 | |
| 4458 // Make global references for these | |
| 4459 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4460 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4461 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4462 | |
| 4463 // Get needed field and method IDs | |
| 4464 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4465 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4466 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4467 | |
| 4468 if ((directByteBufferConstructor == NULL) || | |
| 4469 (directBufferAddressField == NULL) || | |
| 4470 (bufferCapacityField == NULL)) { | |
| 4471 directBufferSupportInitializeFailed = 1; | |
| 4472 return false; | |
| 4473 } | |
| 4474 | |
| 4475 directBufferSupportInitializeEnded = 1; | |
| 4476 } else { | |
| 4477 while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) { | |
|
521
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4478 // 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
|
4479 // 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
|
4480 // 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
|
4481 // 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
|
4482 // try to call this method. See 6791815 for more details. |
|
4db4e58c16bd
6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
xlu
parents:
477
diff
changeset
|
4483 ThreadInVMfromNative tivn(thread); |
| 0 | 4484 os::yield_all(); |
| 4485 } | |
| 4486 } | |
| 4487 | |
| 4488 return !directBufferSupportInitializeFailed; | |
| 4489 } | |
| 4490 | |
| 4491 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4492 { | |
| 4493 // thread_from_jni_environment() will block if VM is gone. | |
| 4494 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4495 | |
| 4496 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4497 #ifndef USDT2 |
| 0 | 4498 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4499 #else /* USDT2 */ |
| 4500 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4501 env, address, capacity); | |
| 4502 #endif /* USDT2 */ | |
| 0 | 4503 |
| 4504 if (!directBufferSupportInitializeEnded) { | |
| 4505 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4506 #ifndef USDT2 |
| 0 | 4507 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4508 #else /* USDT2 */ |
| 4509 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4510 NULL); | |
| 4511 #endif /* USDT2 */ | |
| 0 | 4512 return NULL; |
| 4513 } | |
| 4514 } | |
| 4515 | |
| 4516 // Being paranoid about accidental sign extension on address | |
| 4517 jlong addr = (jlong) ((uintptr_t) address); | |
| 4518 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4519 // takes int capacity | |
| 4520 jint cap = (jint) capacity; | |
| 4521 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4522 #ifndef USDT2 |
| 0 | 4523 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4524 #else /* USDT2 */ |
| 4525 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4526 ret); | |
| 4527 #endif /* USDT2 */ | |
| 0 | 4528 return ret; |
| 4529 } | |
| 4530 | |
| 4006 | 4531 #ifndef USDT2 |
| 0 | 4532 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4533 #else /* USDT2 */ |
| 4534 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4535 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4536 #endif /* USDT2 */ | |
| 0 | 4537 |
| 4538 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4539 { | |
| 4540 // thread_from_jni_environment() will block if VM is gone. | |
| 4541 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4542 | |
| 4543 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4544 #ifndef USDT2 |
| 0 | 4545 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4546 #else /* USDT2 */ |
| 4547 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4548 env, buf); | |
| 4549 #endif /* USDT2 */ | |
| 0 | 4550 void* ret = NULL; |
| 4551 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4552 | |
| 4553 if (!directBufferSupportInitializeEnded) { | |
| 4554 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4555 return 0; | |
| 4556 } | |
| 4557 } | |
| 4558 | |
| 4559 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4560 return 0; | |
| 4561 } | |
| 4562 | |
| 4563 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4564 return ret; | |
| 4565 } | |
| 4566 | |
| 4006 | 4567 #ifndef USDT2 |
| 0 | 4568 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4569 #else /* USDT2 */ |
| 4570 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4571 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4572 #endif /* USDT2 */ | |
| 0 | 4573 |
| 4574 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4575 { | |
| 4576 // thread_from_jni_environment() will block if VM is gone. | |
| 4577 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4578 | |
| 4579 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4580 #ifndef USDT2 |
| 0 | 4581 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4582 #else /* USDT2 */ |
| 4583 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4584 env, buf); | |
| 4585 #endif /* USDT2 */ | |
| 0 | 4586 jlong ret = -1; |
| 4587 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4588 | |
| 4589 if (!directBufferSupportInitializeEnded) { | |
| 4590 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4591 ret = 0; | |
| 4592 return ret; | |
| 4593 } | |
| 4594 } | |
| 4595 | |
| 4596 if (buf == NULL) { | |
| 4597 return -1; | |
| 4598 } | |
| 4599 | |
| 4600 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4601 return -1; | |
| 4602 } | |
| 4603 | |
| 4604 // NOTE that capacity is currently an int in the implementation | |
| 4605 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4606 return ret; | |
| 4607 } | |
| 4608 | |
| 4609 | |
| 4610 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4611 JNIWrapper("GetVersion"); | |
| 4006 | 4612 #ifndef USDT2 |
| 0 | 4613 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4614 #else /* USDT2 */ |
| 4615 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4616 env); | |
| 4617 #endif /* USDT2 */ | |
| 4618 #ifndef USDT2 | |
| 0 | 4619 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4620 #else /* USDT2 */ |
| 4621 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4622 CurrentVersion); | |
| 4623 #endif /* USDT2 */ | |
| 0 | 4624 return CurrentVersion; |
| 4625 JNI_END | |
| 4626 | |
| 4627 extern struct JavaVM_ main_vm; | |
| 4628 | |
| 4629 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4630 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4631 #ifndef USDT2 |
| 0 | 4632 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4633 #else /* USDT2 */ |
| 4634 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4635 env, (void **) vm); | |
| 4636 #endif /* USDT2 */ | |
| 0 | 4637 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4638 #ifndef USDT2 |
| 0 | 4639 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4640 #else /* USDT2 */ |
| 4641 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4642 JNI_OK); | |
| 4643 #endif /* USDT2 */ | |
| 0 | 4644 return JNI_OK; |
| 4645 JNI_END | |
| 4646 | |
| 4647 // Structure containing all jni functions | |
| 4648 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4649 NULL, | |
| 4650 NULL, | |
| 4651 NULL, | |
| 4652 | |
| 4653 NULL, | |
| 4654 | |
| 4655 jni_GetVersion, | |
| 4656 | |
| 4657 jni_DefineClass, | |
| 4658 jni_FindClass, | |
| 4659 | |
| 4660 jni_FromReflectedMethod, | |
| 4661 jni_FromReflectedField, | |
| 4662 | |
| 4663 jni_ToReflectedMethod, | |
| 4664 | |
| 4665 jni_GetSuperclass, | |
| 4666 jni_IsAssignableFrom, | |
| 4667 | |
| 4668 jni_ToReflectedField, | |
| 4669 | |
| 4670 jni_Throw, | |
| 4671 jni_ThrowNew, | |
| 4672 jni_ExceptionOccurred, | |
| 4673 jni_ExceptionDescribe, | |
| 4674 jni_ExceptionClear, | |
| 4675 jni_FatalError, | |
| 4676 | |
| 4677 jni_PushLocalFrame, | |
| 4678 jni_PopLocalFrame, | |
| 4679 | |
| 4680 jni_NewGlobalRef, | |
| 4681 jni_DeleteGlobalRef, | |
| 4682 jni_DeleteLocalRef, | |
| 4683 jni_IsSameObject, | |
| 4684 | |
| 4685 jni_NewLocalRef, | |
| 4686 jni_EnsureLocalCapacity, | |
| 4687 | |
| 4688 jni_AllocObject, | |
| 4689 jni_NewObject, | |
| 4690 jni_NewObjectV, | |
| 4691 jni_NewObjectA, | |
| 4692 | |
| 4693 jni_GetObjectClass, | |
| 4694 jni_IsInstanceOf, | |
| 4695 | |
| 4696 jni_GetMethodID, | |
| 4697 | |
| 4698 jni_CallObjectMethod, | |
| 4699 jni_CallObjectMethodV, | |
| 4700 jni_CallObjectMethodA, | |
| 4701 jni_CallBooleanMethod, | |
| 4702 jni_CallBooleanMethodV, | |
| 4703 jni_CallBooleanMethodA, | |
| 4704 jni_CallByteMethod, | |
| 4705 jni_CallByteMethodV, | |
| 4706 jni_CallByteMethodA, | |
| 4707 jni_CallCharMethod, | |
| 4708 jni_CallCharMethodV, | |
| 4709 jni_CallCharMethodA, | |
| 4710 jni_CallShortMethod, | |
| 4711 jni_CallShortMethodV, | |
| 4712 jni_CallShortMethodA, | |
| 4713 jni_CallIntMethod, | |
| 4714 jni_CallIntMethodV, | |
| 4715 jni_CallIntMethodA, | |
| 4716 jni_CallLongMethod, | |
| 4717 jni_CallLongMethodV, | |
| 4718 jni_CallLongMethodA, | |
| 4719 jni_CallFloatMethod, | |
| 4720 jni_CallFloatMethodV, | |
| 4721 jni_CallFloatMethodA, | |
| 4722 jni_CallDoubleMethod, | |
| 4723 jni_CallDoubleMethodV, | |
| 4724 jni_CallDoubleMethodA, | |
| 4725 jni_CallVoidMethod, | |
| 4726 jni_CallVoidMethodV, | |
| 4727 jni_CallVoidMethodA, | |
| 4728 | |
| 4729 jni_CallNonvirtualObjectMethod, | |
| 4730 jni_CallNonvirtualObjectMethodV, | |
| 4731 jni_CallNonvirtualObjectMethodA, | |
| 4732 jni_CallNonvirtualBooleanMethod, | |
| 4733 jni_CallNonvirtualBooleanMethodV, | |
| 4734 jni_CallNonvirtualBooleanMethodA, | |
| 4735 jni_CallNonvirtualByteMethod, | |
| 4736 jni_CallNonvirtualByteMethodV, | |
| 4737 jni_CallNonvirtualByteMethodA, | |
| 4738 jni_CallNonvirtualCharMethod, | |
| 4739 jni_CallNonvirtualCharMethodV, | |
| 4740 jni_CallNonvirtualCharMethodA, | |
| 4741 jni_CallNonvirtualShortMethod, | |
| 4742 jni_CallNonvirtualShortMethodV, | |
| 4743 jni_CallNonvirtualShortMethodA, | |
| 4744 jni_CallNonvirtualIntMethod, | |
| 4745 jni_CallNonvirtualIntMethodV, | |
| 4746 jni_CallNonvirtualIntMethodA, | |
| 4747 jni_CallNonvirtualLongMethod, | |
| 4748 jni_CallNonvirtualLongMethodV, | |
| 4749 jni_CallNonvirtualLongMethodA, | |
| 4750 jni_CallNonvirtualFloatMethod, | |
| 4751 jni_CallNonvirtualFloatMethodV, | |
| 4752 jni_CallNonvirtualFloatMethodA, | |
| 4753 jni_CallNonvirtualDoubleMethod, | |
| 4754 jni_CallNonvirtualDoubleMethodV, | |
| 4755 jni_CallNonvirtualDoubleMethodA, | |
| 4756 jni_CallNonvirtualVoidMethod, | |
| 4757 jni_CallNonvirtualVoidMethodV, | |
| 4758 jni_CallNonvirtualVoidMethodA, | |
| 4759 | |
| 4760 jni_GetFieldID, | |
| 4761 | |
| 4762 jni_GetObjectField, | |
| 4763 jni_GetBooleanField, | |
| 4764 jni_GetByteField, | |
| 4765 jni_GetCharField, | |
| 4766 jni_GetShortField, | |
| 4767 jni_GetIntField, | |
| 4768 jni_GetLongField, | |
| 4769 jni_GetFloatField, | |
| 4770 jni_GetDoubleField, | |
| 4771 | |
| 4772 jni_SetObjectField, | |
| 4773 jni_SetBooleanField, | |
| 4774 jni_SetByteField, | |
| 4775 jni_SetCharField, | |
| 4776 jni_SetShortField, | |
| 4777 jni_SetIntField, | |
| 4778 jni_SetLongField, | |
| 4779 jni_SetFloatField, | |
| 4780 jni_SetDoubleField, | |
| 4781 | |
| 4782 jni_GetStaticMethodID, | |
| 4783 | |
| 4784 jni_CallStaticObjectMethod, | |
| 4785 jni_CallStaticObjectMethodV, | |
| 4786 jni_CallStaticObjectMethodA, | |
| 4787 jni_CallStaticBooleanMethod, | |
| 4788 jni_CallStaticBooleanMethodV, | |
| 4789 jni_CallStaticBooleanMethodA, | |
| 4790 jni_CallStaticByteMethod, | |
| 4791 jni_CallStaticByteMethodV, | |
| 4792 jni_CallStaticByteMethodA, | |
| 4793 jni_CallStaticCharMethod, | |
| 4794 jni_CallStaticCharMethodV, | |
| 4795 jni_CallStaticCharMethodA, | |
| 4796 jni_CallStaticShortMethod, | |
| 4797 jni_CallStaticShortMethodV, | |
| 4798 jni_CallStaticShortMethodA, | |
| 4799 jni_CallStaticIntMethod, | |
| 4800 jni_CallStaticIntMethodV, | |
| 4801 jni_CallStaticIntMethodA, | |
| 4802 jni_CallStaticLongMethod, | |
| 4803 jni_CallStaticLongMethodV, | |
| 4804 jni_CallStaticLongMethodA, | |
| 4805 jni_CallStaticFloatMethod, | |
| 4806 jni_CallStaticFloatMethodV, | |
| 4807 jni_CallStaticFloatMethodA, | |
| 4808 jni_CallStaticDoubleMethod, | |
| 4809 jni_CallStaticDoubleMethodV, | |
| 4810 jni_CallStaticDoubleMethodA, | |
| 4811 jni_CallStaticVoidMethod, | |
| 4812 jni_CallStaticVoidMethodV, | |
| 4813 jni_CallStaticVoidMethodA, | |
| 4814 | |
| 4815 jni_GetStaticFieldID, | |
| 4816 | |
| 4817 jni_GetStaticObjectField, | |
| 4818 jni_GetStaticBooleanField, | |
| 4819 jni_GetStaticByteField, | |
| 4820 jni_GetStaticCharField, | |
| 4821 jni_GetStaticShortField, | |
| 4822 jni_GetStaticIntField, | |
| 4823 jni_GetStaticLongField, | |
| 4824 jni_GetStaticFloatField, | |
| 4825 jni_GetStaticDoubleField, | |
| 4826 | |
| 4827 jni_SetStaticObjectField, | |
| 4828 jni_SetStaticBooleanField, | |
| 4829 jni_SetStaticByteField, | |
| 4830 jni_SetStaticCharField, | |
| 4831 jni_SetStaticShortField, | |
| 4832 jni_SetStaticIntField, | |
| 4833 jni_SetStaticLongField, | |
| 4834 jni_SetStaticFloatField, | |
| 4835 jni_SetStaticDoubleField, | |
| 4836 | |
| 4837 jni_NewString, | |
| 4838 jni_GetStringLength, | |
| 4839 jni_GetStringChars, | |
| 4840 jni_ReleaseStringChars, | |
| 4841 | |
| 4842 jni_NewStringUTF, | |
| 4843 jni_GetStringUTFLength, | |
| 4844 jni_GetStringUTFChars, | |
| 4845 jni_ReleaseStringUTFChars, | |
| 4846 | |
| 4847 jni_GetArrayLength, | |
| 4848 | |
| 4849 jni_NewObjectArray, | |
| 4850 jni_GetObjectArrayElement, | |
| 4851 jni_SetObjectArrayElement, | |
| 4852 | |
| 4853 jni_NewBooleanArray, | |
| 4854 jni_NewByteArray, | |
| 4855 jni_NewCharArray, | |
| 4856 jni_NewShortArray, | |
| 4857 jni_NewIntArray, | |
| 4858 jni_NewLongArray, | |
| 4859 jni_NewFloatArray, | |
| 4860 jni_NewDoubleArray, | |
| 4861 | |
| 4862 jni_GetBooleanArrayElements, | |
| 4863 jni_GetByteArrayElements, | |
| 4864 jni_GetCharArrayElements, | |
| 4865 jni_GetShortArrayElements, | |
| 4866 jni_GetIntArrayElements, | |
| 4867 jni_GetLongArrayElements, | |
| 4868 jni_GetFloatArrayElements, | |
| 4869 jni_GetDoubleArrayElements, | |
| 4870 | |
| 4871 jni_ReleaseBooleanArrayElements, | |
| 4872 jni_ReleaseByteArrayElements, | |
| 4873 jni_ReleaseCharArrayElements, | |
| 4874 jni_ReleaseShortArrayElements, | |
| 4875 jni_ReleaseIntArrayElements, | |
| 4876 jni_ReleaseLongArrayElements, | |
| 4877 jni_ReleaseFloatArrayElements, | |
| 4878 jni_ReleaseDoubleArrayElements, | |
| 4879 | |
| 4880 jni_GetBooleanArrayRegion, | |
| 4881 jni_GetByteArrayRegion, | |
| 4882 jni_GetCharArrayRegion, | |
| 4883 jni_GetShortArrayRegion, | |
| 4884 jni_GetIntArrayRegion, | |
| 4885 jni_GetLongArrayRegion, | |
| 4886 jni_GetFloatArrayRegion, | |
| 4887 jni_GetDoubleArrayRegion, | |
| 4888 | |
| 4889 jni_SetBooleanArrayRegion, | |
| 4890 jni_SetByteArrayRegion, | |
| 4891 jni_SetCharArrayRegion, | |
| 4892 jni_SetShortArrayRegion, | |
| 4893 jni_SetIntArrayRegion, | |
| 4894 jni_SetLongArrayRegion, | |
| 4895 jni_SetFloatArrayRegion, | |
| 4896 jni_SetDoubleArrayRegion, | |
| 4897 | |
| 4898 jni_RegisterNatives, | |
| 4899 jni_UnregisterNatives, | |
| 4900 | |
| 4901 jni_MonitorEnter, | |
| 4902 jni_MonitorExit, | |
| 4903 | |
| 4904 jni_GetJavaVM, | |
| 4905 | |
| 4906 jni_GetStringRegion, | |
| 4907 jni_GetStringUTFRegion, | |
| 4908 | |
| 4909 jni_GetPrimitiveArrayCritical, | |
| 4910 jni_ReleasePrimitiveArrayCritical, | |
| 4911 | |
| 4912 jni_GetStringCritical, | |
| 4913 jni_ReleaseStringCritical, | |
| 4914 | |
| 4915 jni_NewWeakGlobalRef, | |
| 4916 jni_DeleteWeakGlobalRef, | |
| 4917 | |
| 4918 jni_ExceptionCheck, | |
| 4919 | |
| 4920 jni_NewDirectByteBuffer, | |
| 4921 jni_GetDirectBufferAddress, | |
| 4922 jni_GetDirectBufferCapacity, | |
| 4923 | |
| 4924 // New 1_6 features | |
| 4925 | |
| 4926 jni_GetObjectRefType | |
| 4927 }; | |
| 4928 | |
| 4929 | |
| 4930 // For jvmti use to modify jni function table. | |
| 4931 // Java threads in native contiues to run until it is transitioned | |
| 4932 // to VM at safepoint. Before the transition or before it is blocked | |
| 4933 // for safepoint it may access jni function table. VM could crash if | |
| 4934 // any java thread access the jni function table in the middle of memcpy. | |
| 4935 // To avoid this each function pointers are copied automically. | |
| 4936 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4937 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4938 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4939 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4940 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4941 Atomic::store_ptr(*b++, a++); | |
| 4942 } | |
| 4943 } | |
| 4944 | |
| 4945 void quicken_jni_functions() { | |
| 4946 // Replace Get<Primitive>Field with fast versions | |
| 4947 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4948 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4949 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4950 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4951 // versions currently isn't certain for server vm on uniprocessor. | |
| 4952 && os::is_MP() | |
| 4953 #endif | |
| 4954 ) { | |
| 4955 address func; | |
| 4956 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4957 if (func != (address)-1) { | |
| 4958 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4959 } | |
| 4960 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4961 if (func != (address)-1) { | |
| 4962 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4963 } | |
| 4964 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4965 if (func != (address)-1) { | |
| 4966 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4967 } | |
| 4968 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4969 if (func != (address)-1) { | |
| 4970 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4971 } | |
| 4972 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4973 if (func != (address)-1) { | |
| 4974 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4975 } | |
| 4976 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4977 if (func != (address)-1) { | |
| 4978 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4979 } | |
| 4980 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4981 if (func != (address)-1) { | |
| 4982 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4983 } | |
| 4984 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4985 if (func != (address)-1) { | |
| 4986 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4987 } | |
| 4988 } | |
| 4989 } | |
| 4990 | |
| 4991 // Returns the function structure | |
| 4992 struct JNINativeInterface_* jni_functions() { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4993 #if INCLUDE_JNI_CHECK |
| 0 | 4994 if (CheckJNICalls) return jni_functions_check(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4995 #endif // INCLUDE_JNI_CHECK |
| 0 | 4996 return &jni_NativeInterface; |
| 4997 } | |
| 4998 | |
| 4999 // Returns the function structure | |
| 5000 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 5001 return &jni_NativeInterface; | |
| 5002 } | |
| 5003 | |
| 5004 | |
| 5005 // Invocation API | |
| 5006 | |
| 5007 | |
| 5008 // Forward declaration | |
| 5009 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 5010 | |
| 5011 // Global invocation API vars | |
| 5012 volatile jint vm_created = 0; | |
| 5013 // Indicate whether it is safe to recreate VM | |
| 5014 volatile jint safe_to_recreate_vm = 1; | |
| 5015 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5016 | |
| 5017 | |
| 5018 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5019 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5020 | |
| 4006 | 5021 #ifndef USDT2 |
| 0 | 5022 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5023 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5024 #else /* USDT2 */ |
| 5025 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5026 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5027 #endif /* USDT2 */ | |
| 0 | 5028 |
| 5029 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5030 #ifndef USDT2 |
| 0 | 5031 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5032 #else /* USDT2 */ |
| 5033 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5034 args_); | |
| 5035 #endif /* USDT2 */ | |
| 0 | 5036 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5037 jint ret = JNI_ERR; | |
| 5038 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5039 | |
| 5040 if (Threads::is_supported_jni_version(args->version)) { | |
| 5041 ret = JNI_OK; | |
| 5042 } | |
| 5043 // 1.1 style no longer supported in hotspot. | |
| 5044 // According the JNI spec, we should update args->version on return. | |
| 5045 // We also use the structure to communicate with launcher about default | |
| 5046 // stack size. | |
| 5047 if (args->version == JNI_VERSION_1_1) { | |
| 5048 args->version = JNI_VERSION_1_2; | |
| 5049 // javaStackSize is int in arguments structure | |
| 5050 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5051 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5052 } | |
| 5053 return ret; | |
| 5054 } | |
| 5055 | |
| 3779 | 5056 #ifndef PRODUCT |
| 5057 | |
| 4708 | 5058 #include "gc_interface/collectedHeap.hpp" |
| 3779 | 5059 #include "utilities/quickSort.hpp" |
| 5060 | |
| 4708 | 5061 #define run_unit_test(unit_test_function_call) \ |
| 5062 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5063 unit_test_function_call | |
| 5064 | |
| 3779 | 5065 void execute_internal_vm_tests() { |
| 5066 if (ExecuteInternalVMTests) { | |
| 4708 | 5067 tty->print_cr("Running internal VM tests"); |
| 5068 run_unit_test(arrayOopDesc::test_max_array_length()); | |
| 5069 run_unit_test(CollectedHeap::test_is_in()); | |
| 5070 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5071 run_unit_test(AltHashing::test_alt_hash()); |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5072 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5073 } |
| 5074 } | |
| 5075 | |
| 4708 | 5076 #undef run_unit_test |
| 5077 | |
| 3779 | 5078 #endif |
| 5079 | |
| 4006 | 5080 #ifndef USDT2 |
| 0 | 5081 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5082 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5083 #else /* USDT2 */ |
| 5084 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5085 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5086 #endif /* USDT2 */ | |
| 0 | 5087 |
| 5088 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5089 #ifndef USDT2 |
| 0 | 5090 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5091 #else /* USDT2 */ |
| 5092 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5093 (void **) vm, penv, args); | |
| 5094 #endif /* USDT2 */ | |
| 0 | 5095 |
| 5096 jint result = JNI_ERR; | |
| 5097 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5098 | |
| 1078 | 5099 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5100 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5101 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5102 // on all architectures. So we check it works before relying on it. | |
| 5103 #if defined(ZERO) && defined(ASSERT) | |
| 5104 { | |
| 5105 jint a = 0xcafebabe; | |
| 5106 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5107 void *c = &a; | |
| 5108 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5109 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5110 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5111 } | |
| 5112 #endif // ZERO && ASSERT | |
| 5113 | |
| 0 | 5114 // At the moment it's only possible to have one Java VM, |
| 5115 // since some of the runtime state is in global variables. | |
| 5116 | |
| 5117 // We cannot use our mutex locks here, since they only work on | |
| 5118 // Threads. We do an atomic compare and exchange to ensure only | |
| 5119 // one thread can call this method at a time | |
| 5120 | |
| 5121 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5122 // the add/dec implementations are dependent on whether we are running | |
| 5123 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5124 // function used to determine this will always return false. Atomic::xchg | |
| 5125 // does not have this problem. | |
| 5126 if (Atomic::xchg(1, &vm_created) == 1) { | |
| 5127 return JNI_ERR; // already created, or create attempt in progress | |
| 5128 } | |
| 5129 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5130 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5131 } | |
| 5132 | |
| 5133 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5134 | |
| 5135 /** | |
| 5136 * Certain errors during initialization are recoverable and do not | |
| 5137 * prevent this method from being called again at a later time | |
| 5138 * (perhaps with different arguments). However, at a certain | |
| 5139 * point during initialization if an error occurs we cannot allow | |
| 5140 * this function to be called again (or it will crash). In those | |
| 5141 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5142 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5143 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5144 */ | |
| 5145 bool can_try_again = true; | |
| 5146 | |
| 5147 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5148 if (result == JNI_OK) { | |
| 5149 JavaThread *thread = JavaThread::current(); | |
| 5150 /* thread is thread_in_vm here */ | |
| 5151 *vm = (JavaVM *)(&main_vm); | |
| 5152 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5153 | |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5154 #ifdef GRAAL |
|
7100
35568cbc6a43
removed Graal specific initialization of the ciObjectFactory
Doug Simon <doug.simon@oracle.com>
parents:
7068
diff
changeset
|
5155 GraalCompiler* compiler = GraalCompiler::instance(); |
|
35568cbc6a43
removed Graal specific initialization of the ciObjectFactory
Doug Simon <doug.simon@oracle.com>
parents:
7068
diff
changeset
|
5156 compiler->initialize(); |
|
4368
d8d6b3de346b
Add another #ifdef GRAAL
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4137
diff
changeset
|
5157 #endif |
|
3650
0e8a2a629afb
Pass-by compilation broker.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3540
diff
changeset
|
5158 |
| 0 | 5159 // Tracks the time application was running before GC |
| 5160 RuntimeService::record_application_start(); | |
| 5161 | |
| 5162 // Notify JVMTI | |
| 5163 if (JvmtiExport::should_post_thread_life()) { | |
| 5164 JvmtiExport::post_thread_start(thread); | |
| 5165 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5166 |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5167 EVENT_BEGIN(TraceEventThreadStart, event); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5168 EVENT_COMMIT(event, |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5169 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5170 |
| 0 | 5171 // Check if we should compile all classes on bootclasspath |
| 5172 NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();) | |
|
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6940
diff
changeset
|
5173 NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);) |
| 0 | 5174 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5175 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5176 } else { | |
| 5177 if (can_try_again) { | |
| 5178 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5179 safe_to_recreate_vm = 1; | |
| 5180 } | |
| 5181 | |
| 5182 // Creation failed. We must reset vm_created | |
| 5183 *vm = 0; | |
| 5184 *(JNIEnv**)penv = 0; | |
| 5185 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5186 // control both compiler and architectural-based reordering. | |
| 5187 OrderAccess::release_store(&vm_created, 0); | |
| 5188 } | |
| 5189 | |
|
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1290
diff
changeset
|
5190 NOT_PRODUCT(test_error_handler(ErrorHandlerTest)); |
| 3779 | 5191 NOT_PRODUCT(execute_internal_vm_tests()); |
| 0 | 5192 return result; |
| 5193 } | |
| 5194 | |
| 4006 | 5195 #ifndef USDT2 |
| 0 | 5196 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5197 JavaVM**, jsize, jsize*); | |
| 5198 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5199 #endif /* !USDT2 */ |
| 0 | 5200 |
| 5201 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5202 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5203 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5204 #ifndef USDT2 |
| 0 | 5205 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5206 vm_buf, bufLen, numVMs); | |
| 4006 | 5207 #else /* USDT2 */ |
| 5208 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5209 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5210 #endif /* USDT2 */ | |
| 0 | 5211 if (vm_created) { |
| 5212 if (numVMs != NULL) *numVMs = 1; | |
| 5213 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5214 } else { | |
| 5215 if (numVMs != NULL) *numVMs = 0; | |
| 5216 } | |
| 4006 | 5217 #ifndef USDT2 |
| 0 | 5218 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5219 #else /* USDT2 */ |
| 5220 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5221 JNI_OK); | |
| 5222 #endif /* USDT2 */ | |
| 0 | 5223 return JNI_OK; |
| 5224 } | |
| 5225 | |
| 5226 extern "C" { | |
| 5227 | |
| 4006 | 5228 #ifndef USDT2 |
| 0 | 5229 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5230 #else /* USDT2 */ |
| 5231 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5232 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5233 #endif /* USDT2 */ | |
| 0 | 5234 |
| 5235 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5236 #ifndef USDT2 |
| 0 | 5237 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5238 #else /* USDT2 */ |
| 5239 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5240 vm); | |
| 5241 #endif /* USDT2 */ | |
| 0 | 5242 jint res = JNI_ERR; |
| 5243 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5244 | |
| 5245 if (!vm_created) { | |
| 5246 res = JNI_ERR; | |
| 5247 return res; | |
| 5248 } | |
| 5249 | |
| 5250 JNIWrapper("DestroyJavaVM"); | |
| 5251 JNIEnv *env; | |
| 5252 JavaVMAttachArgs destroyargs; | |
| 5253 destroyargs.version = CurrentVersion; | |
| 5254 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5255 destroyargs.group = NULL; | |
| 5256 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5257 if (res != JNI_OK) { | |
| 5258 return res; | |
| 5259 } | |
| 5260 | |
| 5261 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5262 JavaThread* thread = JavaThread::current(); | |
| 5263 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5264 if (Threads::destroy_vm()) { | |
| 5265 // Should not change thread state, VM is gone | |
| 5266 vm_created = false; | |
| 5267 res = JNI_OK; | |
| 5268 return res; | |
| 5269 } else { | |
| 5270 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5271 res = JNI_ERR; | |
| 5272 return res; | |
| 5273 } | |
| 5274 } | |
| 5275 | |
| 5276 | |
| 5277 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5278 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5279 | |
| 5280 // Check below commented out from JDK1.2fcs as well | |
| 5281 /* | |
| 5282 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5283 return JNI_EVERSION; | |
| 5284 } | |
| 5285 */ | |
| 5286 | |
| 5287 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5288 if (t != NULL) { | |
| 5289 // If the thread has been attached this operation is a no-op | |
| 5290 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5291 return JNI_OK; | |
| 5292 } | |
| 5293 | |
| 5294 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5295 // ThreadsListEnumerator - see CR 6404306 | |
| 5296 JavaThread* thread = new JavaThread(true); | |
| 5297 | |
| 5298 // Set correct safepoint info. The thread is going to call into Java when | |
| 5299 // initializing the Java level thread object. Hence, the correct state must | |
| 5300 // be set in order for the Safepoint code to deal with it correctly. | |
| 5301 thread->set_thread_state(_thread_in_vm); | |
| 5302 // Must do this before initialize_thread_local_storage | |
| 5303 thread->record_stack_base_and_size(); | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5304 |
| 0 | 5305 thread->initialize_thread_local_storage(); |
| 5306 | |
| 5307 if (!os::create_attached_thread(thread)) { | |
| 5308 delete thread; | |
| 5309 return JNI_ERR; | |
| 5310 } | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5311 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5312 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5313 |
| 0 | 5314 thread->initialize_tlab(); |
| 5315 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5316 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5317 |
| 0 | 5318 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5319 // not been added to the Thread list yet. | |
| 5320 { Threads_lock->lock_without_safepoint_check(); | |
| 5321 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5322 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5323 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5324 Threads::add(thread, daemon); | |
| 5325 Threads_lock->unlock(); | |
| 5326 } | |
| 5327 // Create thread group and name info from attach arguments | |
| 5328 oop group = NULL; | |
| 5329 char* thread_name = NULL; | |
| 5330 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5331 group = JNIHandles::resolve(args->group); | |
| 5332 thread_name = args->name; // may be NULL | |
| 5333 } | |
| 5334 if (group == NULL) group = Universe::main_thread_group(); | |
| 5335 | |
| 5336 // Create Java level thread object and attach it to this thread | |
| 5337 bool attach_failed = false; | |
| 5338 { | |
| 5339 EXCEPTION_MARK; | |
| 5340 HandleMark hm(THREAD); | |
| 5341 Handle thread_group(THREAD, group); | |
| 5342 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5343 if (HAS_PENDING_EXCEPTION) { | |
| 5344 CLEAR_PENDING_EXCEPTION; | |
| 5345 // cleanup outside the handle mark. | |
| 5346 attach_failed = true; | |
| 5347 } | |
| 5348 } | |
| 5349 | |
| 5350 if (attach_failed) { | |
| 5351 // Added missing cleanup | |
| 5352 thread->cleanup_failed_attach_current_thread(); | |
| 5353 return JNI_ERR; | |
| 5354 } | |
| 5355 | |
| 5356 // mark the thread as no longer attaching | |
| 5357 // this uses a fence to push the change through so we don't have | |
| 5358 // to regrab the threads_lock | |
| 4006 | 5359 thread->set_done_attaching_via_jni(); |
| 0 | 5360 |
| 5361 // Set java thread status. | |
| 5362 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5363 java_lang_Thread::RUNNABLE); | |
| 5364 | |
| 5365 // Notify the debugger | |
| 5366 if (JvmtiExport::should_post_thread_life()) { | |
| 5367 JvmtiExport::post_thread_start(thread); | |
| 5368 } | |
| 5369 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5370 EVENT_BEGIN(TraceEventThreadStart, event); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5371 EVENT_COMMIT(event, |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5372 EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj()))); |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5373 |
| 0 | 5374 *(JNIEnv**)penv = thread->jni_environment(); |
| 5375 | |
| 5376 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5377 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5378 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5379 // needed. | |
| 5380 | |
| 5381 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5382 | |
| 5383 // Perform any platform dependent FPU setup | |
| 5384 os::setup_fpu(); | |
| 5385 | |
| 5386 return JNI_OK; | |
| 5387 } | |
| 5388 | |
| 5389 | |
| 5390 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5391 #ifndef USDT2 |
| 0 | 5392 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5393 #else /* USDT2 */ |
| 5394 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5395 vm, penv, _args); | |
| 5396 #endif /* USDT2 */ | |
| 0 | 5397 if (!vm_created) { |
| 4006 | 5398 #ifndef USDT2 |
| 0 | 5399 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5400 #else /* USDT2 */ |
| 5401 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5402 (uint32_t) JNI_ERR); | |
| 5403 #endif /* USDT2 */ | |
| 0 | 5404 return JNI_ERR; |
| 5405 } | |
| 5406 | |
| 5407 JNIWrapper("AttachCurrentThread"); | |
| 5408 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5409 #ifndef USDT2 |
| 0 | 5410 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5411 #else /* USDT2 */ |
| 5412 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5413 ret); | |
| 5414 #endif /* USDT2 */ | |
| 0 | 5415 return ret; |
| 5416 } | |
| 5417 | |
| 5418 | |
| 5419 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5420 #ifndef USDT2 |
| 0 | 5421 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5422 #else /* USDT2 */ |
| 5423 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5424 vm); | |
| 5425 #endif /* USDT2 */ | |
| 0 | 5426 VM_Exit::block_if_vm_exited(); |
| 5427 | |
| 5428 JNIWrapper("DetachCurrentThread"); | |
| 5429 | |
| 5430 // If the thread has been deattacted the operations is a no-op | |
| 5431 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5432 #ifndef USDT2 |
| 0 | 5433 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5434 #else /* USDT2 */ |
| 5435 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5436 JNI_OK); | |
| 5437 #endif /* USDT2 */ | |
| 0 | 5438 return JNI_OK; |
| 5439 } | |
| 5440 | |
| 5441 JavaThread* thread = JavaThread::current(); | |
| 5442 if (thread->has_last_Java_frame()) { | |
| 4006 | 5443 #ifndef USDT2 |
| 0 | 5444 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5445 #else /* USDT2 */ |
| 5446 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5447 (uint32_t) JNI_ERR); | |
| 5448 #endif /* USDT2 */ | |
| 0 | 5449 // Can't detach a thread that's running java, that can't work. |
| 5450 return JNI_ERR; | |
| 5451 } | |
| 5452 | |
| 5453 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5454 // middel of a safepoint operation | |
| 5455 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5456 | |
| 5457 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5458 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5459 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5460 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5461 // the removal of the guards is buried below in JavaThread::exit() | |
| 5462 // here. The abstraction should be more symmetrically either exposed | |
| 5463 // or hidden (e.g. it could probably be hidden in the same | |
| 5464 // (platform-dependent) methods where we do alternate stack | |
| 5465 // maintenance work?) | |
| 5466 thread->exit(false, JavaThread::jni_detach); | |
| 5467 delete thread; | |
| 5468 | |
| 4006 | 5469 #ifndef USDT2 |
| 0 | 5470 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5471 #else /* USDT2 */ |
| 5472 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5473 JNI_OK); | |
| 5474 #endif /* USDT2 */ | |
| 0 | 5475 return JNI_OK; |
| 5476 } | |
| 5477 | |
| 4006 | 5478 #ifndef USDT2 |
| 0 | 5479 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5480 #else /* USDT2 */ |
| 5481 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5482 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5483 #endif /* USDT2 */ | |
| 0 | 5484 |
| 5485 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5486 #ifndef USDT2 |
| 0 | 5487 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5488 #else /* USDT2 */ |
| 5489 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5490 vm, penv, version); | |
| 5491 #endif /* USDT2 */ | |
| 0 | 5492 jint ret = JNI_ERR; |
| 5493 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5494 | |
| 5495 if (!vm_created) { | |
| 5496 *penv = NULL; | |
| 5497 ret = JNI_EDETACHED; | |
| 5498 return ret; | |
| 5499 } | |
| 5500 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5501 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5502 return ret; |
| 5503 } | |
| 5504 | |
| 5505 #ifndef JVMPI_VERSION_1 | |
| 5506 // need these in order to be polite about older agents | |
| 5507 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5508 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5509 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5510 #endif // !JVMPI_VERSION_1 | |
| 5511 | |
| 5512 Thread* thread = ThreadLocalStorage::thread(); | |
| 5513 if (thread != NULL && thread->is_Java_thread()) { | |
| 5514 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5515 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5516 ret = JNI_OK; | |
| 5517 return ret; | |
| 5518 | |
| 5519 } else if (version == JVMPI_VERSION_1 || | |
| 5520 version == JVMPI_VERSION_1_1 || | |
| 5521 version == JVMPI_VERSION_1_2) { | |
| 5522 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5523 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5524 ret = JNI_EVERSION; | |
| 5525 return ret; | |
| 5526 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5527 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5528 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5529 ret = JNI_EVERSION; | |
| 5530 return ret; | |
| 5531 } else { | |
| 5532 *penv = NULL; | |
| 5533 ret = JNI_EVERSION; | |
| 5534 return ret; | |
| 5535 } | |
| 5536 } else { | |
| 5537 *penv = NULL; | |
| 5538 ret = JNI_EDETACHED; | |
| 5539 return ret; | |
| 5540 } | |
| 5541 } | |
| 5542 | |
| 5543 | |
| 5544 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5545 #ifndef USDT2 |
| 0 | 5546 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5547 #else /* USDT2 */ |
| 5548 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5549 vm, penv, _args); | |
| 5550 #endif /* USDT2 */ | |
| 0 | 5551 if (!vm_created) { |
| 4006 | 5552 #ifndef USDT2 |
| 0 | 5553 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5554 #else /* USDT2 */ |
| 5555 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5556 (uint32_t) JNI_ERR); | |
| 5557 #endif /* USDT2 */ | |
| 0 | 5558 return JNI_ERR; |
| 5559 } | |
| 5560 | |
| 5561 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5562 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5563 #ifndef USDT2 |
| 0 | 5564 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5565 #else /* USDT2 */ |
| 5566 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5567 ret); | |
| 5568 #endif /* USDT2 */ | |
| 0 | 5569 return ret; |
| 5570 } | |
| 5571 | |
| 5572 | |
| 5573 } // End extern "C" | |
| 5574 | |
| 5575 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5576 NULL, | |
| 5577 NULL, | |
| 5578 NULL, | |
| 5579 | |
| 5580 jni_DestroyJavaVM, | |
| 5581 jni_AttachCurrentThread, | |
| 5582 jni_DetachCurrentThread, | |
| 5583 jni_GetEnv, | |
| 5584 jni_AttachCurrentThreadAsDaemon | |
| 5585 }; |