Mercurial > hg > truffle
annotate src/share/vm/prims/jni.cpp @ 12819:f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
Reviewed-by: dholmes, dcubed
| author | sla |
|---|---|
| date | Sat, 05 Oct 2013 15:18:57 +0200 |
| parents | 03f493ce3a71 |
| children | ac9cb1d5a202 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
8793
499ccc15bbc8
8005716: Enhance JNI specification to allow support of static JNI libraries in Embedded JREs
bpittore
parents:
8001
diff
changeset
|
2 * Copyright (c) 1997, 2013, 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" | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7182
diff
changeset
|
35 #include "utilities/macros.hpp" |
|
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7182
diff
changeset
|
36 #if INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
37 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7182
diff
changeset
|
38 #endif // INCLUDE_ALL_GCS |
| 6197 | 39 #include "memory/allocation.hpp" |
| 1972 | 40 #include "memory/allocation.inline.hpp" |
| 41 #include "memory/gcLocker.inline.hpp" | |
| 42 #include "memory/oopFactory.hpp" | |
| 43 #include "memory/universe.inline.hpp" | |
| 44 #include "oops/instanceKlass.hpp" | |
| 45 #include "oops/instanceOop.hpp" | |
| 46 #include "oops/markOop.hpp" | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
47 #include "oops/method.hpp" |
| 1972 | 48 #include "oops/objArrayKlass.hpp" |
| 49 #include "oops/objArrayOop.hpp" | |
| 50 #include "oops/oop.inline.hpp" | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
51 #include "oops/symbol.hpp" |
| 1972 | 52 #include "oops/typeArrayKlass.hpp" |
| 53 #include "oops/typeArrayOop.hpp" | |
| 54 #include "prims/jni.h" | |
| 55 #include "prims/jniCheck.hpp" | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
56 #include "prims/jniExport.hpp" |
| 1972 | 57 #include "prims/jniFastGetField.hpp" |
| 58 #include "prims/jvm.h" | |
| 59 #include "prims/jvm_misc.hpp" | |
| 60 #include "prims/jvmtiExport.hpp" | |
| 61 #include "prims/jvmtiThreadState.hpp" | |
| 62 #include "runtime/compilationPolicy.hpp" | |
| 63 #include "runtime/fieldDescriptor.hpp" | |
| 64 #include "runtime/fprofiler.hpp" | |
| 65 #include "runtime/handles.inline.hpp" | |
| 66 #include "runtime/interfaceSupport.hpp" | |
| 67 #include "runtime/java.hpp" | |
| 68 #include "runtime/javaCalls.hpp" | |
| 69 #include "runtime/jfieldIDWorkaround.hpp" | |
| 70 #include "runtime/reflection.hpp" | |
| 71 #include "runtime/sharedRuntime.hpp" | |
| 72 #include "runtime/signature.hpp" | |
|
7180
f34d701e952e
8003935: Simplify the needed includes for using Thread::current()
stefank
parents:
6985
diff
changeset
|
73 #include "runtime/thread.inline.hpp" |
| 1972 | 74 #include "runtime/vm_operations.hpp" |
| 75 #include "services/runtimeService.hpp" | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
76 #include "trace/tracing.hpp" |
| 1972 | 77 #include "utilities/defaultStream.hpp" |
| 78 #include "utilities/dtrace.hpp" | |
| 79 #include "utilities/events.hpp" | |
| 80 #include "utilities/histogram.hpp" | |
| 81 #ifdef TARGET_OS_FAMILY_linux | |
| 82 # include "os_linux.inline.hpp" | |
| 83 #endif | |
| 84 #ifdef TARGET_OS_FAMILY_solaris | |
| 85 # include "os_solaris.inline.hpp" | |
| 86 #endif | |
| 87 #ifdef TARGET_OS_FAMILY_windows | |
| 88 # include "os_windows.inline.hpp" | |
| 89 #endif | |
| 3960 | 90 #ifdef TARGET_OS_FAMILY_bsd |
| 91 # include "os_bsd.inline.hpp" | |
| 92 #endif | |
| 0 | 93 |
|
8793
499ccc15bbc8
8005716: Enhance JNI specification to allow support of static JNI libraries in Embedded JREs
bpittore
parents:
8001
diff
changeset
|
94 static jint CurrentVersion = JNI_VERSION_1_8; |
| 0 | 95 |
| 96 | |
| 97 // The DT_RETURN_MARK macros create a scoped object to fire the dtrace | |
| 98 // '-return' probe regardless of the return path is taken out of the function. | |
| 99 // Methods that have multiple return paths use this to avoid having to | |
| 100 // instrument each return path. Methods that use CHECK or THROW must use this | |
| 101 // since those macros can cause an immedate uninstrumented return. | |
| 102 // | |
| 103 // In order to get the return value, a reference to the variable containing | |
| 104 // the return value must be passed to the contructor of the object, and | |
| 105 // the return value must be set before return (since the mark object has | |
| 106 // a reference to it). | |
| 107 // | |
| 108 // Example: | |
| 109 // DT_RETURN_MARK_DECL(SomeFunc, int); | |
| 110 // JNI_ENTRY(int, SomeFunc, ...) | |
| 111 // int return_value = 0; | |
| 112 // DT_RETURN_MARK(SomeFunc, int, (const int&)return_value); | |
| 113 // foo(CHECK_0) | |
| 114 // return_value = 5; | |
| 115 // return return_value; | |
| 116 // JNI_END | |
| 4006 | 117 #ifndef USDT2 |
| 0 | 118 #define DT_RETURN_MARK_DECL(name, type) \ |
| 119 HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type); \ | |
| 120 DTRACE_ONLY( \ | |
| 121 class DTraceReturnProbeMark_##name { \ | |
| 122 public: \ | |
| 123 const type& _ret_ref; \ | |
| 124 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 125 ~DTraceReturnProbeMark_##name() { \ | |
| 126 HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref); \ | |
| 127 } \ | |
| 128 } \ | |
| 129 ) | |
| 130 // Void functions are simpler since there's no return value | |
| 131 #define DT_VOID_RETURN_MARK_DECL(name) \ | |
| 132 HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return); \ | |
| 133 DTRACE_ONLY( \ | |
| 134 class DTraceReturnProbeMark_##name { \ | |
| 135 public: \ | |
| 136 ~DTraceReturnProbeMark_##name() { \ | |
| 137 HS_DTRACE_PROBE0(hotspot_jni, name##__return); \ | |
| 138 } \ | |
| 139 } \ | |
| 140 ) | |
| 141 | |
| 4006 | 142 #else /* USDT2 */ |
| 143 | |
| 144 #define DT_RETURN_MARK_DECL(name, type, probe) \ | |
| 145 DTRACE_ONLY( \ | |
| 146 class DTraceReturnProbeMark_##name { \ | |
| 147 public: \ | |
| 148 const type& _ret_ref; \ | |
| 149 DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {} \ | |
| 150 ~DTraceReturnProbeMark_##name() { \ | |
| 151 probe; \ | |
| 152 } \ | |
| 153 } \ | |
| 154 ) | |
| 155 // Void functions are simpler since there's no return value | |
| 156 #define DT_VOID_RETURN_MARK_DECL(name, probe) \ | |
| 157 DTRACE_ONLY( \ | |
| 158 class DTraceReturnProbeMark_##name { \ | |
| 159 public: \ | |
| 160 ~DTraceReturnProbeMark_##name() { \ | |
| 161 probe; \ | |
| 162 } \ | |
| 163 } \ | |
| 164 ) | |
| 165 #endif /* USDT2 */ | |
| 0 | 166 |
| 167 // Place these macros in the function to mark the return. Non-void | |
| 168 // functions need the type and address of the return value. | |
| 169 #define DT_RETURN_MARK(name, type, ref) \ | |
| 170 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) ) | |
| 171 #define DT_VOID_RETURN_MARK(name) \ | |
| 172 DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark ) | |
| 173 | |
| 174 | |
| 175 // Use these to select distinct code for floating-point vs. non-floating point | |
| 176 // situations. Used from within common macros where we need slightly | |
| 177 // different behavior for Float/Double | |
| 178 #define FP_SELECT_Boolean(intcode, fpcode) intcode | |
| 179 #define FP_SELECT_Byte(intcode, fpcode) intcode | |
| 180 #define FP_SELECT_Char(intcode, fpcode) intcode | |
| 181 #define FP_SELECT_Short(intcode, fpcode) intcode | |
| 182 #define FP_SELECT_Object(intcode, fpcode) intcode | |
| 183 #define FP_SELECT_Int(intcode, fpcode) intcode | |
| 184 #define FP_SELECT_Long(intcode, fpcode) intcode | |
| 185 #define FP_SELECT_Float(intcode, fpcode) fpcode | |
| 186 #define FP_SELECT_Double(intcode, fpcode) fpcode | |
| 187 #define FP_SELECT(TypeName, intcode, fpcode) \ | |
| 188 FP_SELECT_##TypeName(intcode, fpcode) | |
| 189 | |
| 190 #define COMMA , | |
| 191 | |
| 192 // Choose DT_RETURN_MARK macros based on the type: float/double -> void | |
| 193 // (dtrace doesn't do FP yet) | |
| 4006 | 194 #ifndef USDT2 |
| 0 | 195 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \ |
| 196 FP_SELECT(TypeName, \ | |
| 197 DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) ) | |
| 4006 | 198 #else /* USDT2 */ |
| 199 #define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe) \ | |
| 200 FP_SELECT(TypeName, \ | |
| 201 DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) ) | |
| 202 #endif /* USDT2 */ | |
| 0 | 203 #define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \ |
| 204 FP_SELECT(TypeName, \ | |
| 205 DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) ) | |
| 206 | |
| 207 | |
| 208 // out-of-line helpers for class jfieldIDWorkaround: | |
| 209 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
210 bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) { |
| 0 | 211 if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) { |
| 212 uintptr_t as_uint = (uintptr_t) id; | |
| 213 intptr_t offset = raw_instance_offset(id); | |
| 214 if (is_checked_jfieldID(id)) { | |
| 215 if (!klass_hash_ok(k, id)) { | |
| 216 return false; | |
| 217 } | |
| 218 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
219 return InstanceKlass::cast(k)->contains_field_offset(offset); |
| 0 | 220 } else { |
| 221 JNIid* result = (JNIid*) id; | |
| 222 #ifdef ASSERT | |
| 223 return result != NULL && result->is_static_field_id(); | |
| 224 #else | |
| 225 return result != NULL; | |
| 226 #endif | |
| 227 } | |
| 228 } | |
| 229 | |
| 230 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
231 intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) { |
| 0 | 232 if (offset <= small_offset_mask) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
233 Klass* field_klass = k; |
| 6983 | 234 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
|
235 // 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
|
236 // 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
|
237 while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() && |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
238 InstanceKlass::cast(super_klass)->contains_field_offset(offset)) { |
| 0 | 239 field_klass = super_klass; // super contains the field also |
| 6983 | 240 super_klass = field_klass->super(); |
| 0 | 241 } |
| 242 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 243 uintptr_t klass_hash = field_klass->identity_hash(); | |
| 244 return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place; | |
| 245 } else { | |
| 246 #if 0 | |
| 247 #ifndef PRODUCT | |
| 248 { | |
| 249 ResourceMark rm; | |
| 6983 | 250 warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name()); |
| 0 | 251 } |
| 252 #endif | |
| 253 #endif | |
| 254 return 0; | |
| 255 } | |
| 256 } | |
| 257 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
258 bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) { |
| 0 | 259 uintptr_t as_uint = (uintptr_t) id; |
| 260 intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask; | |
| 261 do { | |
| 262 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 263 // Could use a non-blocking query for identity_hash here... | |
| 264 if ((k->identity_hash() & klass_mask) == klass_hash) | |
| 265 return true; | |
| 6983 | 266 k = k->super(); |
| 0 | 267 } while (k != NULL); |
| 268 return false; | |
| 269 } | |
| 270 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
271 void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) { |
| 0 | 272 guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" ); |
| 273 uintptr_t as_uint = (uintptr_t) id; | |
| 274 intptr_t offset = raw_instance_offset(id); | |
| 275 if (VerifyJNIFields) { | |
| 276 if (is_checked_jfieldID(id)) { | |
| 277 guarantee(klass_hash_ok(k, id), | |
| 278 "Bug in native code: jfieldID class must match object"); | |
| 279 } else { | |
| 280 #if 0 | |
| 281 #ifndef PRODUCT | |
| 282 if (Verbose) { | |
| 283 ResourceMark rm; | |
| 6983 | 284 warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name()); |
| 0 | 285 } |
| 286 #endif | |
| 287 #endif | |
| 288 } | |
| 289 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
290 guarantee(InstanceKlass::cast(k)->contains_field_offset(offset), |
| 0 | 291 "Bug in native code: jfieldID offset must address interior of object"); |
| 292 } | |
| 293 | |
| 294 // Pick a reasonable higher bound for local capacity requested | |
| 295 // for EnsureLocalCapacity and PushLocalFrame. We don't want it too | |
| 296 // high because a test (or very unusual application) may try to allocate | |
| 297 // that many handles and run out of swap space. An implementation is | |
| 298 // permitted to allocate more handles than the ensured capacity, so this | |
| 299 // value is set high enough to prevent compatibility problems. | |
| 300 const int MAX_REASONABLE_LOCAL_CAPACITY = 4*K; | |
| 301 | |
| 302 | |
| 303 // Wrapper to trace JNI functions | |
| 304 | |
| 305 #ifdef ASSERT | |
| 306 Histogram* JNIHistogram; | |
| 307 static volatile jint JNIHistogram_lock = 0; | |
| 308 | |
| 309 class JNITraceWrapper : public StackObj { | |
| 310 public: | |
| 311 JNITraceWrapper(const char* format, ...) { | |
| 312 if (TraceJNICalls) { | |
| 313 va_list ap; | |
| 314 va_start(ap, format); | |
| 315 tty->print("JNI "); | |
| 316 tty->vprint_cr(format, ap); | |
| 317 va_end(ap); | |
| 318 } | |
| 319 } | |
| 320 }; | |
| 321 | |
| 322 class JNIHistogramElement : public HistogramElement { | |
| 323 public: | |
| 324 JNIHistogramElement(const char* name); | |
| 325 }; | |
| 326 | |
| 327 JNIHistogramElement::JNIHistogramElement(const char* elementName) { | |
| 328 _name = elementName; | |
| 329 uintx count = 0; | |
| 330 | |
| 331 while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) { | |
| 332 while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) { | |
| 333 count +=1; | |
| 334 if ( (WarnOnStalledSpinLock > 0) | |
| 335 && (count % WarnOnStalledSpinLock == 0)) { | |
| 336 warning("JNIHistogram_lock seems to be stalled"); | |
| 337 } | |
| 338 } | |
| 339 } | |
| 340 | |
| 341 | |
| 342 if(JNIHistogram == NULL) | |
| 343 JNIHistogram = new Histogram("JNI Call Counts",100); | |
| 344 | |
| 345 JNIHistogram->add_element(this); | |
| 346 Atomic::dec(&JNIHistogram_lock); | |
| 347 } | |
| 348 | |
| 349 #define JNICountWrapper(arg) \ | |
| 350 static JNIHistogramElement* e = new JNIHistogramElement(arg); \ | |
| 351 /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \ | |
| 352 if (e != NULL) e->increment_count() | |
| 353 #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg) | |
| 354 #else | |
| 355 #define JNIWrapper(arg) | |
| 356 #endif | |
| 357 | |
| 358 | |
| 359 // Implementation of JNI entries | |
| 360 | |
| 4006 | 361 #ifndef USDT2 |
| 0 | 362 DT_RETURN_MARK_DECL(DefineClass, jclass); |
| 4006 | 363 #else /* USDT2 */ |
| 364 DT_RETURN_MARK_DECL(DefineClass, jclass | |
| 365 , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref)); | |
| 366 #endif /* USDT2 */ | |
| 0 | 367 |
| 368 JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef, | |
| 369 const jbyte *buf, jsize bufLen)) | |
| 370 JNIWrapper("DefineClass"); | |
| 371 | |
| 4006 | 372 #ifndef USDT2 |
| 0 | 373 DTRACE_PROBE5(hotspot_jni, DefineClass__entry, |
| 374 env, name, loaderRef, buf, bufLen); | |
| 4006 | 375 #else /* USDT2 */ |
| 376 HOTSPOT_JNI_DEFINECLASS_ENTRY( | |
| 377 env, (char*) name, loaderRef, (char*) buf, bufLen); | |
| 378 #endif /* USDT2 */ | |
| 0 | 379 jclass cls = NULL; |
| 380 DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls); | |
| 381 | |
|
6125
dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
fparain
parents:
4800
diff
changeset
|
382 TempNewSymbol class_name = NULL; |
| 0 | 383 // Since exceptions can be thrown, class initialization can take place |
| 384 // if name is NULL no check for class name in .class stream has to be made. | |
| 385 if (name != NULL) { | |
| 386 const int str_len = (int)strlen(name); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
387 if (str_len > Symbol::max_length()) { |
| 0 | 388 // It's impossible to create this class; the name cannot fit |
| 389 // into the constant pool. | |
| 390 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); | |
| 391 } | |
|
6125
dcfcdd01af4b
7171703: JNI DefineClass crashes client VM when first parameter is NULL
fparain
parents:
4800
diff
changeset
|
392 class_name = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 393 } |
| 394 ResourceMark rm(THREAD); | |
| 395 ClassFileStream st((u1*) buf, bufLen, NULL); | |
| 396 Handle class_loader (THREAD, JNIHandles::resolve(loaderRef)); | |
| 397 | |
| 398 if (UsePerfData && !class_loader.is_null()) { | |
| 399 // check whether the current caller thread holds the lock or not. | |
| 400 // If not, increment the corresponding counter | |
| 401 if (ObjectSynchronizer:: | |
| 402 query_lock_ownership((JavaThread*)THREAD, class_loader) != | |
| 403 ObjectSynchronizer::owner_self) { | |
| 404 ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc(); | |
| 405 } | |
| 406 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
407 Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader, |
|
973
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
657
diff
changeset
|
408 Handle(), &st, true, |
|
ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
657
diff
changeset
|
409 CHECK_NULL); |
| 0 | 410 |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
411 if (TraceClassResolution && k != NULL) { |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
412 trace_class_resolution(k); |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
413 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
414 |
| 0 | 415 cls = (jclass)JNIHandles::make_local( |
| 6983 | 416 env, k->java_mirror()); |
| 0 | 417 return cls; |
| 418 JNI_END | |
| 419 | |
| 420 | |
| 421 | |
| 422 static bool first_time_FindClass = true; | |
| 423 | |
| 4006 | 424 #ifndef USDT2 |
| 0 | 425 DT_RETURN_MARK_DECL(FindClass, jclass); |
| 4006 | 426 #else /* USDT2 */ |
| 427 DT_RETURN_MARK_DECL(FindClass, jclass | |
| 428 , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref)); | |
| 429 #endif /* USDT2 */ | |
| 0 | 430 |
| 431 JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name)) | |
| 432 JNIWrapper("FindClass"); | |
| 4006 | 433 #ifndef USDT2 |
| 0 | 434 DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name); |
| 4006 | 435 #else /* USDT2 */ |
| 436 HOTSPOT_JNI_FINDCLASS_ENTRY( | |
| 437 env, (char *)name); | |
| 438 #endif /* USDT2 */ | |
| 0 | 439 |
| 440 jclass result = NULL; | |
| 441 DT_RETURN_MARK(FindClass, jclass, (const jclass&)result); | |
| 442 | |
| 443 // Remember if we are the first invocation of jni_FindClass | |
| 444 bool first_time = first_time_FindClass; | |
| 445 first_time_FindClass = false; | |
| 446 | |
| 447 // Sanity check the name: it cannot be null or larger than the maximum size | |
| 448 // 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
|
449 if (name == NULL || (int)strlen(name) > Symbol::max_length()) { |
| 0 | 450 THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name); |
| 451 } | |
| 452 | |
| 453 //%note jni_3 | |
| 454 Handle loader; | |
| 455 Handle protection_domain; | |
| 456 // Find calling class | |
| 457 instanceKlassHandle k (THREAD, thread->security_get_caller_class(0)); | |
| 458 if (k.not_null()) { | |
| 459 loader = Handle(THREAD, k->class_loader()); | |
| 460 // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed | |
| 461 // in the correct class context. | |
| 462 if (loader.is_null() && | |
| 463 k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) { | |
| 464 JavaValue result(T_OBJECT); | |
| 465 JavaCalls::call_static(&result, k, | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
466 vmSymbols::getFromClass_name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
467 vmSymbols::void_class_signature(), |
| 0 | 468 thread); |
| 469 if (HAS_PENDING_EXCEPTION) { | |
| 470 Handle ex(thread, thread->pending_exception()); | |
| 471 CLEAR_PENDING_EXCEPTION; | |
| 472 THROW_HANDLE_0(ex); | |
| 473 } | |
| 474 oop mirror = (oop) result.get_jobject(); | |
| 475 loader = Handle(THREAD, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
476 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader()); |
| 0 | 477 protection_domain = Handle(THREAD, |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
478 InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain()); |
| 0 | 479 } |
| 480 } else { | |
| 481 // We call ClassLoader.getSystemClassLoader to obtain the system class loader. | |
| 482 loader = Handle(THREAD, SystemDictionary::java_system_loader()); | |
| 483 } | |
| 484 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
485 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
| 0 | 486 result = find_class_from_class_loader(env, sym, true, loader, |
| 487 protection_domain, true, thread); | |
| 488 | |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
489 if (TraceClassResolution && result != NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
490 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
|
491 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
492 |
| 0 | 493 // If we were the first invocation of jni_FindClass, we enable compilation again |
| 494 // rather than just allowing invocation counter to overflow and decay. | |
| 495 // Controlled by flag DelayCompilationDuringStartup. | |
| 496 if (first_time && !CompileTheWorld) | |
| 497 CompilationPolicy::completed_vm_startup(); | |
| 498 | |
| 499 return result; | |
| 500 JNI_END | |
| 501 | |
| 4006 | 502 #ifndef USDT2 |
| 0 | 503 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID); |
| 4006 | 504 #else /* USDT2 */ |
| 505 DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID | |
| 506 , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref)); | |
| 507 #endif /* USDT2 */ | |
| 0 | 508 |
| 509 JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method)) | |
| 510 JNIWrapper("FromReflectedMethod"); | |
| 4006 | 511 #ifndef USDT2 |
| 0 | 512 DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method); |
| 4006 | 513 #else /* USDT2 */ |
| 514 HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY( | |
| 515 env, method); | |
| 516 #endif /* USDT2 */ | |
| 0 | 517 jmethodID ret = NULL; |
| 518 DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret); | |
| 519 | |
| 520 // method is a handle to a java.lang.reflect.Method object | |
| 521 oop reflected = JNIHandles::resolve_non_null(method); | |
| 522 oop mirror = NULL; | |
| 523 int slot = 0; | |
| 524 | |
| 1142 | 525 if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) { |
| 0 | 526 mirror = java_lang_reflect_Constructor::clazz(reflected); |
| 527 slot = java_lang_reflect_Constructor::slot(reflected); | |
| 528 } else { | |
| 1142 | 529 assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); |
| 0 | 530 mirror = java_lang_reflect_Method::clazz(reflected); |
| 531 slot = java_lang_reflect_Method::slot(reflected); | |
| 532 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
533 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 534 |
| 535 KlassHandle k1(THREAD, k); | |
| 536 // Make sure class is initialized before handing id's out to methods | |
| 6983 | 537 k1()->initialize(CHECK_NULL); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
538 Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot); |
| 0 | 539 ret = m==NULL? NULL : m->jmethod_id(); // return NULL if reflected method deleted |
| 540 return ret; | |
| 541 JNI_END | |
| 542 | |
| 4006 | 543 #ifndef USDT2 |
| 0 | 544 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID); |
| 4006 | 545 #else /* USDT2 */ |
| 546 DT_RETURN_MARK_DECL(FromReflectedField, jfieldID | |
| 547 , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref)); | |
| 548 #endif /* USDT2 */ | |
| 0 | 549 |
| 550 JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field)) | |
| 551 JNIWrapper("FromReflectedField"); | |
| 4006 | 552 #ifndef USDT2 |
| 0 | 553 DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field); |
| 4006 | 554 #else /* USDT2 */ |
| 555 HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY( | |
| 556 env, field); | |
| 557 #endif /* USDT2 */ | |
| 0 | 558 jfieldID ret = NULL; |
| 559 DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret); | |
| 560 | |
| 561 // field is a handle to a java.lang.reflect.Field object | |
| 562 oop reflected = JNIHandles::resolve_non_null(field); | |
| 563 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
|
564 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 565 int slot = java_lang_reflect_Field::slot(reflected); |
| 566 int modifiers = java_lang_reflect_Field::modifiers(reflected); | |
| 567 | |
| 568 KlassHandle k1(THREAD, k); | |
| 569 // Make sure class is initialized before handing id's out to fields | |
| 6983 | 570 k1()->initialize(CHECK_NULL); |
| 0 | 571 |
| 572 // First check if this is a static field | |
| 573 if (modifiers & JVM_ACC_STATIC) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
574 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
|
575 JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset); |
| 0 | 576 assert(id != NULL, "corrupt Field object"); |
| 577 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
|
578 // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass* |
| 0 | 579 ret = jfieldIDWorkaround::to_static_jfieldID(id); |
| 580 return ret; | |
| 581 } | |
| 582 | |
| 583 // The slot is the index of the field description in the field-array | |
| 584 // The jfieldID is the offset of the field within the object | |
| 585 // 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
|
586 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
|
587 assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object"); |
| 0 | 588 ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset); |
| 589 return ret; | |
| 590 JNI_END | |
| 591 | |
| 4006 | 592 #ifndef USDT2 |
| 0 | 593 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject); |
| 4006 | 594 #else /* USDT2 */ |
| 595 DT_RETURN_MARK_DECL(ToReflectedMethod, jobject | |
| 596 , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref)); | |
| 597 #endif /* USDT2 */ | |
| 0 | 598 |
| 599 JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic)) | |
| 600 JNIWrapper("ToReflectedMethod"); | |
| 4006 | 601 #ifndef USDT2 |
| 0 | 602 DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic); |
| 4006 | 603 #else /* USDT2 */ |
| 604 HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY( | |
| 605 env, cls, (uintptr_t) method_id, isStatic); | |
| 606 #endif /* USDT2 */ | |
| 0 | 607 jobject ret = NULL; |
| 608 DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret); | |
| 609 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
610 methodHandle m (THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 611 assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match"); |
| 612 oop reflection_method; | |
| 613 if (m->is_initializer()) { | |
| 614 reflection_method = Reflection::new_constructor(m, CHECK_NULL); | |
| 615 } else { | |
| 616 reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL); | |
| 617 } | |
| 618 ret = JNIHandles::make_local(env, reflection_method); | |
| 619 return ret; | |
| 620 JNI_END | |
| 621 | |
| 4006 | 622 #ifndef USDT2 |
| 0 | 623 DT_RETURN_MARK_DECL(GetSuperclass, jclass); |
| 4006 | 624 #else /* USDT2 */ |
| 625 DT_RETURN_MARK_DECL(GetSuperclass, jclass | |
| 626 , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref)); | |
| 627 #endif /* USDT2 */ | |
| 0 | 628 |
| 629 JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub)) | |
| 630 JNIWrapper("GetSuperclass"); | |
| 4006 | 631 #ifndef USDT2 |
| 0 | 632 DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub); |
| 4006 | 633 #else /* USDT2 */ |
| 634 HOTSPOT_JNI_GETSUPERCLASS_ENTRY( | |
| 635 env, sub); | |
| 636 #endif /* USDT2 */ | |
| 0 | 637 jclass obj = NULL; |
| 638 DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj); | |
| 639 | |
| 640 oop mirror = JNIHandles::resolve_non_null(sub); | |
| 641 // primitive classes return NULL | |
| 642 if (java_lang_Class::is_primitive(mirror)) return NULL; | |
| 643 | |
| 644 // Rules of Class.getSuperClass as implemented by KLass::java_super: | |
| 645 // arrays return Object | |
| 646 // interfaces return NULL | |
| 647 // proper classes return Klass::super() | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
648 Klass* k = java_lang_Class::as_Klass(mirror); |
| 6983 | 649 if (k->is_interface()) return NULL; |
| 0 | 650 |
| 651 // return mirror for superclass | |
| 6983 | 652 Klass* super = k->java_super(); |
| 0 | 653 // super2 is the value computed by the compiler's getSuperClass intrinsic: |
| 6983 | 654 debug_only(Klass* super2 = ( k->oop_is_array() |
| 1142 | 655 ? SystemDictionary::Object_klass() |
| 6983 | 656 : k->super() ) ); |
| 0 | 657 assert(super == super2, |
| 658 "java_super computation depends on interface, array, other super"); | |
| 6983 | 659 obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror()); |
| 0 | 660 return obj; |
| 661 JNI_END | |
| 662 | |
| 663 JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super)) | |
| 664 JNIWrapper("IsSubclassOf"); | |
| 4006 | 665 #ifndef USDT2 |
| 0 | 666 DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super); |
| 4006 | 667 #else /* USDT2 */ |
| 668 HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY( | |
| 669 env, sub, super); | |
| 670 #endif /* USDT2 */ | |
| 0 | 671 oop sub_mirror = JNIHandles::resolve_non_null(sub); |
| 672 oop super_mirror = JNIHandles::resolve_non_null(super); | |
| 673 if (java_lang_Class::is_primitive(sub_mirror) || | |
| 674 java_lang_Class::is_primitive(super_mirror)) { | |
| 675 jboolean ret = (sub_mirror == super_mirror); | |
| 4006 | 676 #ifndef USDT2 |
| 0 | 677 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 678 #else /* USDT2 */ |
| 679 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 680 ret); | |
| 681 #endif /* USDT2 */ | |
| 0 | 682 return ret; |
| 683 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
684 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
|
685 Klass* super_klass = java_lang_Class::as_Klass(super_mirror); |
| 0 | 686 assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom"); |
| 6983 | 687 jboolean ret = sub_klass->is_subtype_of(super_klass) ? |
| 0 | 688 JNI_TRUE : JNI_FALSE; |
| 4006 | 689 #ifndef USDT2 |
| 0 | 690 DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret); |
| 4006 | 691 #else /* USDT2 */ |
| 692 HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN( | |
| 693 ret); | |
| 694 #endif /* USDT2 */ | |
| 0 | 695 return ret; |
| 696 JNI_END | |
| 697 | |
| 4006 | 698 #ifndef USDT2 |
| 0 | 699 DT_RETURN_MARK_DECL(Throw, jint); |
| 4006 | 700 #else /* USDT2 */ |
| 701 DT_RETURN_MARK_DECL(Throw, jint | |
| 702 , HOTSPOT_JNI_THROW_RETURN(_ret_ref)); | |
| 703 #endif /* USDT2 */ | |
| 0 | 704 |
| 705 JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj)) | |
| 706 JNIWrapper("Throw"); | |
| 4006 | 707 #ifndef USDT2 |
| 0 | 708 DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj); |
| 4006 | 709 #else /* USDT2 */ |
| 710 HOTSPOT_JNI_THROW_ENTRY( | |
| 711 env, obj); | |
| 712 #endif /* USDT2 */ | |
| 0 | 713 jint ret = JNI_OK; |
| 714 DT_RETURN_MARK(Throw, jint, (const jint&)ret); | |
| 715 | |
| 716 THROW_OOP_(JNIHandles::resolve(obj), JNI_OK); | |
| 717 ShouldNotReachHere(); | |
| 718 JNI_END | |
| 719 | |
| 4006 | 720 #ifndef USDT2 |
| 0 | 721 DT_RETURN_MARK_DECL(ThrowNew, jint); |
| 4006 | 722 #else /* USDT2 */ |
| 723 DT_RETURN_MARK_DECL(ThrowNew, jint | |
| 724 , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref)); | |
| 725 #endif /* USDT2 */ | |
| 0 | 726 |
| 727 JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message)) | |
| 728 JNIWrapper("ThrowNew"); | |
| 4006 | 729 #ifndef USDT2 |
| 0 | 730 DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message); |
| 4006 | 731 #else /* USDT2 */ |
| 732 HOTSPOT_JNI_THROWNEW_ENTRY( | |
| 733 env, clazz, (char *) message); | |
| 734 #endif /* USDT2 */ | |
| 0 | 735 jint ret = JNI_OK; |
| 736 DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret); | |
| 737 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
738 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
|
739 Symbol* name = k->name(); |
| 0 | 740 Handle class_loader (THREAD, k->class_loader()); |
| 741 Handle protection_domain (THREAD, k->protection_domain()); | |
| 742 THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK); | |
| 743 ShouldNotReachHere(); | |
| 744 JNI_END | |
| 745 | |
| 746 | |
| 747 // JNI functions only transform a pending async exception to a synchronous | |
| 748 // exception in ExceptionOccurred and ExceptionCheck calls, since | |
| 749 // delivering an async exception in other places won't change the native | |
| 750 // code's control flow and would be harmful when native code further calls | |
| 751 // JNI functions with a pending exception. Async exception is also checked | |
| 752 // during the call, so ExceptionOccurred/ExceptionCheck won't return | |
| 753 // false but deliver the async exception at the very end during | |
| 754 // state transition. | |
| 755 | |
| 756 static void jni_check_async_exceptions(JavaThread *thread) { | |
| 757 assert(thread == Thread::current(), "must be itself"); | |
| 758 thread->check_and_handle_async_exceptions(); | |
| 759 } | |
| 760 | |
| 761 JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env)) | |
| 762 JNIWrapper("ExceptionOccurred"); | |
| 4006 | 763 #ifndef USDT2 |
| 0 | 764 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env); |
| 4006 | 765 #else /* USDT2 */ |
| 766 HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY( | |
| 767 env); | |
| 768 #endif /* USDT2 */ | |
| 0 | 769 jni_check_async_exceptions(thread); |
| 770 oop exception = thread->pending_exception(); | |
| 771 jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception); | |
| 4006 | 772 #ifndef USDT2 |
| 0 | 773 DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret); |
| 4006 | 774 #else /* USDT2 */ |
| 775 HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN( | |
| 776 ret); | |
| 777 #endif /* USDT2 */ | |
| 0 | 778 return ret; |
| 779 JNI_END | |
| 780 | |
| 781 | |
| 782 JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env)) | |
| 783 JNIWrapper("ExceptionDescribe"); | |
| 4006 | 784 #ifndef USDT2 |
| 0 | 785 DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env); |
| 4006 | 786 #else /* USDT2 */ |
| 787 HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY( | |
| 788 env); | |
| 789 #endif /* USDT2 */ | |
| 0 | 790 if (thread->has_pending_exception()) { |
| 791 Handle ex(thread, thread->pending_exception()); | |
| 792 thread->clear_pending_exception(); | |
| 1142 | 793 if (ex->is_a(SystemDictionary::ThreadDeath_klass())) { |
| 0 | 794 // Don't print anything if we are being killed. |
| 795 } else { | |
| 796 jio_fprintf(defaultStream::error_stream(), "Exception "); | |
| 797 if (thread != NULL && thread->threadObj() != NULL) { | |
| 798 ResourceMark rm(THREAD); | |
| 799 jio_fprintf(defaultStream::error_stream(), | |
| 800 "in thread \"%s\" ", thread->get_thread_name()); | |
| 801 } | |
| 1142 | 802 if (ex->is_a(SystemDictionary::Throwable_klass())) { |
| 0 | 803 JavaValue result(T_VOID); |
| 804 JavaCalls::call_virtual(&result, | |
| 805 ex, | |
| 806 KlassHandle(THREAD, | |
| 1142 | 807 SystemDictionary::Throwable_klass()), |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
808 vmSymbols::printStackTrace_name(), |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
809 vmSymbols::void_method_signature(), |
| 0 | 810 THREAD); |
| 811 // If an exception is thrown in the call it gets thrown away. Not much | |
| 812 // we can do with it. The native code that calls this, does not check | |
| 813 // for the exception - hence, it might still be in the thread when DestroyVM gets | |
| 814 // called, potentially causing a few asserts to trigger - since no pending exception | |
| 815 // is expected. | |
| 816 CLEAR_PENDING_EXCEPTION; | |
| 817 } else { | |
| 818 ResourceMark rm(THREAD); | |
| 819 jio_fprintf(defaultStream::error_stream(), | |
| 820 ". Uncaught exception of type %s.", | |
| 6983 | 821 ex->klass()->external_name()); |
| 0 | 822 } |
| 823 } | |
| 824 } | |
| 4006 | 825 #ifndef USDT2 |
| 0 | 826 DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return); |
| 4006 | 827 #else /* USDT2 */ |
| 828 HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN( | |
| 829 ); | |
| 830 #endif /* USDT2 */ | |
| 0 | 831 JNI_END |
| 832 | |
| 833 | |
| 834 JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env)) | |
| 835 JNIWrapper("ExceptionClear"); | |
| 4006 | 836 #ifndef USDT2 |
| 0 | 837 DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env); |
| 4006 | 838 #else /* USDT2 */ |
| 839 HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY( | |
| 840 env); | |
| 841 #endif /* USDT2 */ | |
| 0 | 842 |
| 843 // The jni code might be using this API to clear java thrown exception. | |
| 844 // So just mark jvmti thread exception state as exception caught. | |
| 845 JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state(); | |
| 846 if (state != NULL && state->is_exception_detected()) { | |
| 847 state->set_exception_caught(); | |
| 848 } | |
| 849 thread->clear_pending_exception(); | |
| 4006 | 850 #ifndef USDT2 |
| 0 | 851 DTRACE_PROBE(hotspot_jni, ExceptionClear__return); |
| 4006 | 852 #else /* USDT2 */ |
| 853 HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN( | |
| 854 ); | |
| 855 #endif /* USDT2 */ | |
| 0 | 856 JNI_END |
| 857 | |
| 858 | |
| 859 JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg)) | |
| 860 JNIWrapper("FatalError"); | |
| 4006 | 861 #ifndef USDT2 |
| 0 | 862 DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg); |
| 4006 | 863 #else /* USDT2 */ |
| 864 HOTSPOT_JNI_FATALERROR_ENTRY( | |
| 865 env, (char *) msg); | |
| 866 #endif /* USDT2 */ | |
| 0 | 867 tty->print_cr("FATAL ERROR in native method: %s", msg); |
| 868 thread->print_stack(); | |
|
227
8d852b81e775
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
113
diff
changeset
|
869 os::abort(); // Dump core and abort |
| 0 | 870 JNI_END |
| 871 | |
| 872 | |
| 873 JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity)) | |
| 874 JNIWrapper("PushLocalFrame"); | |
| 4006 | 875 #ifndef USDT2 |
| 0 | 876 DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity); |
| 4006 | 877 #else /* USDT2 */ |
| 878 HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY( | |
| 879 env, capacity); | |
| 880 #endif /* USDT2 */ | |
| 0 | 881 //%note jni_11 |
|
11059
97c5acae48be
7007040: Check of capacity paramenters in JNI_PushLocalFrame is wrong
hseigel
parents:
10405
diff
changeset
|
882 if (capacity < 0 || capacity > MAX_REASONABLE_LOCAL_CAPACITY) { |
| 4006 | 883 #ifndef USDT2 |
| 0 | 884 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR); |
| 4006 | 885 #else /* USDT2 */ |
| 886 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 887 (uint32_t)JNI_ERR); | |
| 888 #endif /* USDT2 */ | |
| 0 | 889 return JNI_ERR; |
| 890 } | |
| 891 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 892 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); | |
| 893 assert(new_handles != NULL, "should not be NULL"); | |
| 894 new_handles->set_pop_frame_link(old_handles); | |
| 895 thread->set_active_handles(new_handles); | |
| 896 jint ret = JNI_OK; | |
| 4006 | 897 #ifndef USDT2 |
| 0 | 898 DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret); |
| 4006 | 899 #else /* USDT2 */ |
| 900 HOTSPOT_JNI_PUSHLOCALFRAME_RETURN( | |
| 901 ret); | |
| 902 #endif /* USDT2 */ | |
| 0 | 903 return ret; |
| 904 JNI_END | |
| 905 | |
| 906 | |
| 907 JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result)) | |
| 908 JNIWrapper("PopLocalFrame"); | |
| 4006 | 909 #ifndef USDT2 |
| 0 | 910 DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result); |
| 4006 | 911 #else /* USDT2 */ |
| 912 HOTSPOT_JNI_POPLOCALFRAME_ENTRY( | |
| 913 env, result); | |
| 914 #endif /* USDT2 */ | |
| 0 | 915 //%note jni_11 |
| 916 Handle result_handle(thread, JNIHandles::resolve(result)); | |
| 917 JNIHandleBlock* old_handles = thread->active_handles(); | |
| 918 JNIHandleBlock* new_handles = old_handles->pop_frame_link(); | |
| 919 if (new_handles != NULL) { | |
| 920 // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL. | |
| 921 // This way code will still work if PopLocalFrame is called without a corresponding | |
| 922 // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise | |
| 923 // the release_block call will release the blocks. | |
| 924 thread->set_active_handles(new_handles); | |
| 925 old_handles->set_pop_frame_link(NULL); // clear link we won't release new_handles below | |
| 926 JNIHandleBlock::release_block(old_handles, thread); // may block | |
| 927 result = JNIHandles::make_local(thread, result_handle()); | |
| 928 } | |
| 4006 | 929 #ifndef USDT2 |
| 0 | 930 DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result); |
| 4006 | 931 #else /* USDT2 */ |
| 932 HOTSPOT_JNI_POPLOCALFRAME_RETURN( | |
| 933 result); | |
| 934 #endif /* USDT2 */ | |
| 0 | 935 return result; |
| 936 JNI_END | |
| 937 | |
| 938 | |
| 939 JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref)) | |
| 940 JNIWrapper("NewGlobalRef"); | |
| 4006 | 941 #ifndef USDT2 |
| 0 | 942 DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref); |
| 4006 | 943 #else /* USDT2 */ |
| 944 HOTSPOT_JNI_NEWGLOBALREF_ENTRY( | |
| 945 env, ref); | |
| 946 #endif /* USDT2 */ | |
| 0 | 947 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 948 jobject ret = JNIHandles::make_global(ref_handle); | |
| 4006 | 949 #ifndef USDT2 |
| 0 | 950 DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret); |
| 4006 | 951 #else /* USDT2 */ |
| 952 HOTSPOT_JNI_NEWGLOBALREF_RETURN( | |
| 953 ret); | |
| 954 #endif /* USDT2 */ | |
| 0 | 955 return ret; |
| 956 JNI_END | |
| 957 | |
| 958 // Must be JNI_ENTRY (with HandleMark) | |
| 959 JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref)) | |
| 960 JNIWrapper("DeleteGlobalRef"); | |
| 4006 | 961 #ifndef USDT2 |
| 0 | 962 DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref); |
| 4006 | 963 #else /* USDT2 */ |
| 964 HOTSPOT_JNI_DELETEGLOBALREF_ENTRY( | |
| 965 env, ref); | |
| 966 #endif /* USDT2 */ | |
| 0 | 967 JNIHandles::destroy_global(ref); |
| 4006 | 968 #ifndef USDT2 |
| 0 | 969 DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return); |
| 4006 | 970 #else /* USDT2 */ |
| 971 HOTSPOT_JNI_DELETEGLOBALREF_RETURN( | |
| 972 ); | |
| 973 #endif /* USDT2 */ | |
| 0 | 974 JNI_END |
| 975 | |
| 976 JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj)) | |
| 977 JNIWrapper("DeleteLocalRef"); | |
| 4006 | 978 #ifndef USDT2 |
| 0 | 979 DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj); |
| 4006 | 980 #else /* USDT2 */ |
| 981 HOTSPOT_JNI_DELETELOCALREF_ENTRY( | |
| 982 env, obj); | |
| 983 #endif /* USDT2 */ | |
| 0 | 984 JNIHandles::destroy_local(obj); |
| 4006 | 985 #ifndef USDT2 |
| 0 | 986 DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return); |
| 4006 | 987 #else /* USDT2 */ |
| 988 HOTSPOT_JNI_DELETELOCALREF_RETURN( | |
| 989 ); | |
| 990 #endif /* USDT2 */ | |
| 0 | 991 JNI_END |
| 992 | |
| 993 JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2)) | |
| 994 JNIWrapper("IsSameObject"); | |
| 4006 | 995 #ifndef USDT2 |
| 0 | 996 DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2); |
| 4006 | 997 #else /* USDT2 */ |
| 998 HOTSPOT_JNI_ISSAMEOBJECT_ENTRY( | |
| 999 env, r1, r2); | |
| 1000 #endif /* USDT2 */ | |
| 0 | 1001 oop a = JNIHandles::resolve(r1); |
| 1002 oop b = JNIHandles::resolve(r2); | |
| 1003 jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 1004 #ifndef USDT2 |
| 0 | 1005 DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret); |
| 4006 | 1006 #else /* USDT2 */ |
| 1007 HOTSPOT_JNI_ISSAMEOBJECT_RETURN( | |
| 1008 ret); | |
| 1009 #endif /* USDT2 */ | |
| 0 | 1010 return ret; |
| 1011 JNI_END | |
| 1012 | |
| 1013 | |
| 1014 JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref)) | |
| 1015 JNIWrapper("NewLocalRef"); | |
| 4006 | 1016 #ifndef USDT2 |
| 0 | 1017 DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref); |
| 4006 | 1018 #else /* USDT2 */ |
| 1019 HOTSPOT_JNI_NEWLOCALREF_ENTRY( | |
| 1020 env, ref); | |
| 1021 #endif /* USDT2 */ | |
| 0 | 1022 jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref)); |
| 4006 | 1023 #ifndef USDT2 |
| 0 | 1024 DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret); |
| 4006 | 1025 #else /* USDT2 */ |
| 1026 HOTSPOT_JNI_NEWLOCALREF_RETURN( | |
| 1027 ret); | |
| 1028 #endif /* USDT2 */ | |
| 0 | 1029 return ret; |
| 1030 JNI_END | |
| 1031 | |
| 1032 JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity)) | |
| 1033 JNIWrapper("EnsureLocalCapacity"); | |
| 4006 | 1034 #ifndef USDT2 |
| 0 | 1035 DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity); |
| 4006 | 1036 #else /* USDT2 */ |
| 1037 HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY( | |
| 1038 env, capacity); | |
| 1039 #endif /* USDT2 */ | |
| 0 | 1040 jint ret; |
| 1041 if (capacity >= 0 && capacity <= MAX_REASONABLE_LOCAL_CAPACITY) { | |
| 1042 ret = JNI_OK; | |
| 1043 } else { | |
| 1044 ret = JNI_ERR; | |
| 1045 } | |
| 4006 | 1046 #ifndef USDT2 |
| 0 | 1047 DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret); |
| 4006 | 1048 #else /* USDT2 */ |
| 1049 HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN( | |
| 1050 ret); | |
| 1051 #endif /* USDT2 */ | |
| 0 | 1052 return ret; |
| 1053 JNI_END | |
| 1054 | |
| 1055 // Return the Handle Type | |
| 1056 JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj)) | |
| 1057 JNIWrapper("GetObjectRefType"); | |
| 4006 | 1058 #ifndef USDT2 |
| 0 | 1059 DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj); |
| 4006 | 1060 #else /* USDT2 */ |
| 1061 HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY( | |
| 1062 env, obj); | |
| 1063 #endif /* USDT2 */ | |
| 0 | 1064 jobjectRefType ret; |
| 1065 if (JNIHandles::is_local_handle(thread, obj) || | |
| 1066 JNIHandles::is_frame_handle(thread, obj)) | |
| 1067 ret = JNILocalRefType; | |
| 1068 else if (JNIHandles::is_global_handle(obj)) | |
| 1069 ret = JNIGlobalRefType; | |
| 1070 else if (JNIHandles::is_weak_global_handle(obj)) | |
| 1071 ret = JNIWeakGlobalRefType; | |
| 1072 else | |
| 1073 ret = JNIInvalidRefType; | |
| 4006 | 1074 #ifndef USDT2 |
| 0 | 1075 DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret); |
| 4006 | 1076 #else /* USDT2 */ |
| 1077 HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN( | |
| 1078 (void *) ret); | |
| 1079 #endif /* USDT2 */ | |
| 0 | 1080 return ret; |
| 1081 JNI_END | |
| 1082 | |
| 1083 | |
| 1084 class JNI_ArgumentPusher : public SignatureIterator { | |
| 1085 protected: | |
| 1086 JavaCallArguments* _arguments; | |
| 1087 | |
| 1088 virtual void get_bool () = 0; | |
| 1089 virtual void get_char () = 0; | |
| 1090 virtual void get_short () = 0; | |
| 1091 virtual void get_byte () = 0; | |
| 1092 virtual void get_int () = 0; | |
| 1093 virtual void get_long () = 0; | |
| 1094 virtual void get_float () = 0; | |
| 1095 virtual void get_double () = 0; | |
| 1096 virtual void get_object () = 0; | |
| 1097 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1098 JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) { |
| 0 | 1099 this->_return_type = T_ILLEGAL; |
| 1100 _arguments = NULL; | |
| 1101 } | |
| 1102 | |
| 1103 public: | |
| 1104 virtual void iterate( uint64_t fingerprint ) = 0; | |
| 1105 | |
| 1106 void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; } | |
| 1107 | |
| 1108 inline void do_bool() { if (!is_return_type()) get_bool(); } | |
| 1109 inline void do_char() { if (!is_return_type()) get_char(); } | |
| 1110 inline void do_short() { if (!is_return_type()) get_short(); } | |
| 1111 inline void do_byte() { if (!is_return_type()) get_byte(); } | |
| 1112 inline void do_int() { if (!is_return_type()) get_int(); } | |
| 1113 inline void do_long() { if (!is_return_type()) get_long(); } | |
| 1114 inline void do_float() { if (!is_return_type()) get_float(); } | |
| 1115 inline void do_double() { if (!is_return_type()) get_double(); } | |
| 1116 inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); } | |
| 1117 inline void do_array(int begin, int end) { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array | |
| 1118 inline void do_void() { } | |
| 1119 | |
| 1120 JavaCallArguments* arguments() { return _arguments; } | |
| 1121 void push_receiver(Handle h) { _arguments->push_oop(h); } | |
| 1122 }; | |
| 1123 | |
| 1124 | |
| 1125 class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher { | |
| 1126 protected: | |
| 1127 va_list _ap; | |
| 1128 | |
| 1129 inline void get_bool() { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg | |
| 1130 inline void get_char() { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg | |
| 1131 inline void get_short() { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg | |
| 1132 inline void get_byte() { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg | |
| 1133 inline void get_int() { _arguments->push_int(va_arg(_ap, jint)); } | |
| 1134 | |
| 1135 // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests | |
| 1136 | |
| 1137 inline void get_long() { _arguments->push_long(va_arg(_ap, jlong)); } | |
| 1138 inline void get_float() { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg | |
| 1139 inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); } | |
| 1140 inline void get_object() { jobject l = va_arg(_ap, jobject); | |
| 1141 _arguments->push_oop(Handle((oop *)l, false)); } | |
| 1142 | |
| 1143 inline void set_ap(va_list rap) { | |
| 1144 #ifdef va_copy | |
| 1145 va_copy(_ap, rap); | |
| 1146 #elif defined (__va_copy) | |
| 1147 __va_copy(_ap, rap); | |
| 1148 #else | |
| 1149 _ap = rap; | |
| 1150 #endif | |
| 1151 } | |
| 1152 | |
| 1153 public: | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1154 JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1155 : JNI_ArgumentPusher(signature) { |
| 0 | 1156 set_ap(rap); |
| 1157 } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1158 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
|
1159 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1160 set_ap(rap); |
| 1161 } | |
| 1162 | |
| 1163 // Optimized path if we have the bitvector form of signature | |
| 1164 void iterate( uint64_t fingerprint ) { | |
| 1165 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments | |
| 1166 else { | |
| 1167 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1168 result_feature_mask); | |
| 1169 | |
| 1170 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1171 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1172 while ( 1 ) { | |
| 1173 switch ( fingerprint & parameter_feature_mask ) { | |
| 1174 case bool_parm: | |
| 1175 case char_parm: | |
| 1176 case short_parm: | |
| 1177 case byte_parm: | |
| 1178 case int_parm: | |
| 1179 get_int(); | |
| 1180 break; | |
| 1181 case obj_parm: | |
| 1182 get_object(); | |
| 1183 break; | |
| 1184 case long_parm: | |
| 1185 get_long(); | |
| 1186 break; | |
| 1187 case float_parm: | |
| 1188 get_float(); | |
| 1189 break; | |
| 1190 case double_parm: | |
| 1191 get_double(); | |
| 1192 break; | |
| 1193 case done_parm: | |
| 1194 return; | |
| 1195 break; | |
| 1196 default: | |
| 1197 ShouldNotReachHere(); | |
| 1198 break; | |
| 1199 } | |
| 1200 fingerprint >>= parameter_feature_size; | |
| 1201 } | |
| 1202 } | |
| 1203 } | |
| 1204 }; | |
| 1205 | |
| 1206 | |
| 1207 class JNI_ArgumentPusherArray : public JNI_ArgumentPusher { | |
| 1208 protected: | |
| 1209 const jvalue *_ap; | |
| 1210 | |
| 1211 inline void get_bool() { _arguments->push_int((jint)(_ap++)->z); } | |
| 1212 inline void get_char() { _arguments->push_int((jint)(_ap++)->c); } | |
| 1213 inline void get_short() { _arguments->push_int((jint)(_ap++)->s); } | |
| 1214 inline void get_byte() { _arguments->push_int((jint)(_ap++)->b); } | |
| 1215 inline void get_int() { _arguments->push_int((jint)(_ap++)->i); } | |
| 1216 | |
| 1217 inline void get_long() { _arguments->push_long((_ap++)->j); } | |
| 1218 inline void get_float() { _arguments->push_float((_ap++)->f); } | |
| 1219 inline void get_double() { _arguments->push_double((_ap++)->d);} | |
| 1220 inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); } | |
| 1221 | |
| 1222 inline void set_ap(const jvalue *rap) { _ap = rap; } | |
| 1223 | |
| 1224 public: | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1225 JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1226 : JNI_ArgumentPusher(signature) { |
| 0 | 1227 set_ap(rap); |
| 1228 } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1229 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
|
1230 : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) { |
| 0 | 1231 set_ap(rap); |
| 1232 } | |
| 1233 | |
| 1234 // Optimized path if we have the bitvector form of signature | |
| 1235 void iterate( uint64_t fingerprint ) { | |
| 1236 if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments | |
| 1237 else { | |
| 1238 _return_type = (BasicType)((fingerprint >> static_feature_size) & | |
| 1239 result_feature_mask); | |
| 1240 assert(fingerprint, "Fingerprint should not be 0"); | |
| 1241 fingerprint = fingerprint >> (static_feature_size + result_feature_size); | |
| 1242 while ( 1 ) { | |
| 1243 switch ( fingerprint & parameter_feature_mask ) { | |
| 1244 case bool_parm: | |
| 1245 get_bool(); | |
| 1246 break; | |
| 1247 case char_parm: | |
| 1248 get_char(); | |
| 1249 break; | |
| 1250 case short_parm: | |
| 1251 get_short(); | |
| 1252 break; | |
| 1253 case byte_parm: | |
| 1254 get_byte(); | |
| 1255 break; | |
| 1256 case int_parm: | |
| 1257 get_int(); | |
| 1258 break; | |
| 1259 case obj_parm: | |
| 1260 get_object(); | |
| 1261 break; | |
| 1262 case long_parm: | |
| 1263 get_long(); | |
| 1264 break; | |
| 1265 case float_parm: | |
| 1266 get_float(); | |
| 1267 break; | |
| 1268 case double_parm: | |
| 1269 get_double(); | |
| 1270 break; | |
| 1271 case done_parm: | |
| 1272 return; | |
| 1273 break; | |
| 1274 default: | |
| 1275 ShouldNotReachHere(); | |
| 1276 break; | |
| 1277 } | |
| 1278 fingerprint >>= parameter_feature_size; | |
| 1279 } | |
| 1280 } | |
| 1281 } | |
| 1282 }; | |
| 1283 | |
| 1284 | |
| 1285 enum JNICallType { | |
| 1286 JNI_STATIC, | |
| 1287 JNI_VIRTUAL, | |
| 1288 JNI_NONVIRTUAL | |
| 1289 }; | |
| 1290 | |
| 1291 | |
| 1292 | |
| 1293 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
|
1294 methodHandle method(THREAD, Method::resolve_jmethod_id(method_id)); |
| 0 | 1295 |
| 1296 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1297 // the jni parser | |
| 1298 ResourceMark rm(THREAD); | |
| 1299 int number_of_parameters = method->size_of_parameters(); | |
| 1300 JavaCallArguments java_args(number_of_parameters); | |
| 1301 args->set_java_argument_object(&java_args); | |
| 1302 | |
| 1303 assert(method->is_static(), "method should be static"); | |
| 1304 | |
| 1305 // Fill out JavaCallArguments object | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1306 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1307 // Initialize result type |
| 1308 result->set_type(args->get_ret_type()); | |
| 1309 | |
| 1310 // Invoke the method. Result is returned as oop. | |
| 1311 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1312 | |
| 1313 // Convert result | |
| 1314 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1315 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1316 } | |
| 1317 } | |
| 1318 | |
| 1319 | |
| 1320 static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) { | |
| 1321 oop recv = JNIHandles::resolve(receiver); | |
| 1322 if (recv == NULL) { | |
| 1323 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1324 } | |
| 1325 Handle h_recv(THREAD, recv); | |
| 1326 | |
| 1327 int number_of_parameters; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1328 Method* selected_method; |
| 0 | 1329 { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1330 Method* m = Method::resolve_jmethod_id(method_id); |
| 0 | 1331 number_of_parameters = m->size_of_parameters(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1332 Klass* holder = m->method_holder(); |
| 6983 | 1333 if (!(holder)->is_interface()) { |
| 0 | 1334 // non-interface call -- for that little speed boost, don't handlize |
| 1335 debug_only(No_Safepoint_Verifier nosafepoint;) | |
| 1336 if (call_type == JNI_VIRTUAL) { | |
| 1337 // jni_GetMethodID makes sure class is linked and initialized | |
| 1338 // so m should have a valid vtable index. | |
|
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12111
diff
changeset
|
1339 assert(!m->has_itable_index(), ""); |
| 0 | 1340 int vtbl_index = m->vtable_index(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1341 if (vtbl_index != Method::nonvirtual_vtable_index) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1342 Klass* k = h_recv->klass(); |
| 0 | 1343 // k might be an arrayKlassOop but all vtables start at |
| 1344 // 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
|
1345 InstanceKlass *ik = (InstanceKlass*)k; |
| 0 | 1346 selected_method = ik->method_at_vtable(vtbl_index); |
| 1347 } else { | |
| 1348 // final method | |
| 1349 selected_method = m; | |
| 1350 } | |
| 1351 } else { | |
| 1352 // JNI_NONVIRTUAL call | |
| 1353 selected_method = m; | |
| 1354 } | |
| 1355 } else { | |
| 1356 // interface call | |
| 1357 KlassHandle h_holder(THREAD, holder); | |
| 1358 | |
|
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
12111
diff
changeset
|
1359 int itbl_index = m->itable_index(); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1360 Klass* k = h_recv->klass(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1361 selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK); |
| 0 | 1362 } |
| 1363 } | |
| 1364 | |
| 1365 methodHandle method(THREAD, selected_method); | |
| 1366 | |
| 1367 // Create object to hold arguments for the JavaCall, and associate it with | |
| 1368 // the jni parser | |
| 1369 ResourceMark rm(THREAD); | |
| 1370 JavaCallArguments java_args(number_of_parameters); | |
| 1371 args->set_java_argument_object(&java_args); | |
| 1372 | |
| 1373 // handle arguments | |
| 1374 assert(!method->is_static(), "method should not be static"); | |
| 1375 args->push_receiver(h_recv); // Push jobject handle | |
| 1376 | |
| 1377 // Fill out JavaCallArguments object | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1378 args->iterate( Fingerprinter(method).fingerprint() ); |
| 0 | 1379 // Initialize result type |
| 1380 result->set_type(args->get_ret_type()); | |
| 1381 | |
| 1382 // Invoke the method. Result is returned as oop. | |
| 1383 JavaCalls::call(result, method, &java_args, CHECK); | |
| 1384 | |
| 1385 // Convert result | |
| 1386 if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) { | |
| 1387 result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject())); | |
| 1388 } | |
| 1389 } | |
| 1390 | |
| 1391 | |
| 1392 static instanceOop alloc_object(jclass clazz, TRAPS) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1393 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 6983 | 1394 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
|
1395 InstanceKlass::cast(k())->initialize(CHECK_NULL); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1396 instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD); |
| 0 | 1397 return ih; |
| 1398 } | |
| 1399 | |
| 4006 | 1400 #ifndef USDT2 |
| 0 | 1401 DT_RETURN_MARK_DECL(AllocObject, jobject); |
| 4006 | 1402 #else /* USDT2 */ |
| 1403 DT_RETURN_MARK_DECL(AllocObject, jobject | |
| 1404 , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref)); | |
| 1405 #endif /* USDT2 */ | |
| 0 | 1406 |
| 1407 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz)) | |
| 1408 JNIWrapper("AllocObject"); | |
| 1409 | |
| 4006 | 1410 #ifndef USDT2 |
| 0 | 1411 DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz); |
| 4006 | 1412 #else /* USDT2 */ |
| 1413 HOTSPOT_JNI_ALLOCOBJECT_ENTRY( | |
| 1414 env, clazz); | |
| 1415 #endif /* USDT2 */ | |
| 0 | 1416 jobject ret = NULL; |
| 1417 DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret); | |
| 1418 | |
| 1419 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1420 ret = JNIHandles::make_local(env, i); | |
| 1421 return ret; | |
| 1422 JNI_END | |
| 1423 | |
| 4006 | 1424 #ifndef USDT2 |
| 0 | 1425 DT_RETURN_MARK_DECL(NewObjectA, jobject); |
| 4006 | 1426 #else /* USDT2 */ |
| 1427 DT_RETURN_MARK_DECL(NewObjectA, jobject | |
| 1428 , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref)); | |
| 1429 #endif /* USDT2 */ | |
| 0 | 1430 |
| 1431 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args)) | |
| 1432 JNIWrapper("NewObjectA"); | |
| 4006 | 1433 #ifndef USDT2 |
| 0 | 1434 DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID); |
| 4006 | 1435 #else /* USDT2 */ |
| 1436 HOTSPOT_JNI_NEWOBJECTA_ENTRY( | |
| 1437 env, clazz, (uintptr_t) methodID); | |
| 1438 #endif /* USDT2 */ | |
| 0 | 1439 jobject obj = NULL; |
| 1440 DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj); | |
| 1441 | |
| 1442 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1443 obj = JNIHandles::make_local(env, i); | |
| 1444 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1445 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1446 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1447 return obj; | |
| 1448 JNI_END | |
| 1449 | |
| 4006 | 1450 #ifndef USDT2 |
| 0 | 1451 DT_RETURN_MARK_DECL(NewObjectV, jobject); |
| 4006 | 1452 #else /* USDT2 */ |
| 1453 DT_RETURN_MARK_DECL(NewObjectV, jobject | |
| 1454 , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref)); | |
| 1455 #endif /* USDT2 */ | |
| 0 | 1456 |
| 1457 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args)) | |
| 1458 JNIWrapper("NewObjectV"); | |
| 4006 | 1459 #ifndef USDT2 |
| 0 | 1460 DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID); |
| 4006 | 1461 #else /* USDT2 */ |
| 1462 HOTSPOT_JNI_NEWOBJECTV_ENTRY( | |
| 1463 env, clazz, (uintptr_t) methodID); | |
| 1464 #endif /* USDT2 */ | |
| 0 | 1465 jobject obj = NULL; |
| 1466 DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj); | |
| 1467 | |
| 1468 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1469 obj = JNIHandles::make_local(env, i); | |
| 1470 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1471 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1472 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1473 return obj; | |
| 1474 JNI_END | |
| 1475 | |
| 4006 | 1476 #ifndef USDT2 |
| 0 | 1477 DT_RETURN_MARK_DECL(NewObject, jobject); |
| 4006 | 1478 #else /* USDT2 */ |
| 1479 DT_RETURN_MARK_DECL(NewObject, jobject | |
| 1480 , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref)); | |
| 1481 #endif /* USDT2 */ | |
| 0 | 1482 |
| 1483 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)) | |
| 1484 JNIWrapper("NewObject"); | |
| 4006 | 1485 #ifndef USDT2 |
| 0 | 1486 DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID); |
| 4006 | 1487 #else /* USDT2 */ |
| 1488 HOTSPOT_JNI_NEWOBJECT_ENTRY( | |
| 1489 env, clazz, (uintptr_t) methodID); | |
| 1490 #endif /* USDT2 */ | |
| 0 | 1491 jobject obj = NULL; |
| 1492 DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj); | |
| 1493 | |
| 1494 instanceOop i = alloc_object(clazz, CHECK_NULL); | |
| 1495 obj = JNIHandles::make_local(env, i); | |
| 1496 va_list args; | |
| 1497 va_start(args, methodID); | |
| 1498 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1499 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1500 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL); |
| 1501 va_end(args); | |
| 1502 return obj; | |
| 1503 JNI_END | |
| 1504 | |
| 1505 | |
| 1506 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj)) | |
| 1507 JNIWrapper("GetObjectClass"); | |
| 4006 | 1508 #ifndef USDT2 |
| 0 | 1509 DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj); |
| 4006 | 1510 #else /* USDT2 */ |
| 1511 HOTSPOT_JNI_GETOBJECTCLASS_ENTRY( | |
| 1512 env, obj); | |
| 1513 #endif /* USDT2 */ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1514 Klass* k = JNIHandles::resolve_non_null(obj)->klass(); |
| 0 | 1515 jclass ret = |
| 6983 | 1516 (jclass) JNIHandles::make_local(env, k->java_mirror()); |
| 4006 | 1517 #ifndef USDT2 |
| 0 | 1518 DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret); |
| 4006 | 1519 #else /* USDT2 */ |
| 1520 HOTSPOT_JNI_GETOBJECTCLASS_RETURN( | |
| 1521 ret); | |
| 1522 #endif /* USDT2 */ | |
| 0 | 1523 return ret; |
| 1524 JNI_END | |
| 1525 | |
| 1526 JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz)) | |
| 1527 JNIWrapper("IsInstanceOf"); | |
| 4006 | 1528 #ifndef USDT2 |
| 0 | 1529 DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz); |
| 4006 | 1530 #else /* USDT2 */ |
| 1531 HOTSPOT_JNI_ISINSTANCEOF_ENTRY( | |
| 1532 env, obj, clazz); | |
| 1533 #endif /* USDT2 */ | |
| 0 | 1534 jboolean ret = JNI_TRUE; |
| 1535 if (obj != NULL) { | |
| 1536 ret = JNI_FALSE; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1537 Klass* k = java_lang_Class::as_Klass( |
| 0 | 1538 JNIHandles::resolve_non_null(clazz)); |
| 1539 if (k != NULL) { | |
| 1540 ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE; | |
| 1541 } | |
| 1542 } | |
| 4006 | 1543 #ifndef USDT2 |
| 0 | 1544 DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret); |
| 4006 | 1545 #else /* USDT2 */ |
| 1546 HOTSPOT_JNI_ISINSTANCEOF_RETURN( | |
| 1547 ret); | |
| 1548 #endif /* USDT2 */ | |
| 0 | 1549 return ret; |
| 1550 JNI_END | |
| 1551 | |
| 1552 | |
| 1553 static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str, | |
| 1554 const char *sig, bool is_static, TRAPS) { | |
| 1555 // %%%% This code should probably just call into a method in the LinkResolver | |
| 1556 // | |
| 1557 // The class should have been loaded (we have an instance of the class | |
| 1558 // passed in) so the method and signature should already be in the symbol | |
| 1559 // 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
|
1560 const char *name_to_probe = (name_str == NULL) |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1561 ? vmSymbols::object_initializer_name()->as_C_string() |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1562 : name_str; |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1563 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
|
1564 TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1565 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1566 if (name == NULL || signature == NULL) { |
| 0 | 1567 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); |
| 1568 } | |
| 1569 | |
| 1570 // Throw a NoSuchMethodError exception if we have an instance of a | |
| 1571 // primitive java.lang.Class | |
| 1572 if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) { | |
| 1573 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1574 } | |
| 1575 | |
| 1576 KlassHandle klass(THREAD, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1577 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 1578 |
| 1579 // 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
|
1580 // Method*s. |
| 6983 | 1581 klass()->initialize(CHECK_NULL); |
| 0 | 1582 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1583 Method* m; |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1584 if (name == vmSymbols::object_initializer_name() || |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1585 name == vmSymbols::class_initializer_name()) { |
| 0 | 1586 // Never search superclasses for constructors |
| 1587 if (klass->oop_is_instance()) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1588 m = InstanceKlass::cast(klass())->find_method(name, signature); |
| 0 | 1589 } else { |
| 1590 m = NULL; | |
| 1591 } | |
| 1592 } else { | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1593 m = klass->lookup_method(name, signature); |
| 0 | 1594 // Look up interfaces |
| 1595 if (m == NULL && klass->oop_is_instance()) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
1596 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
|
1597 signature); |
| 0 | 1598 } |
| 1599 } | |
| 1600 if (m == NULL || (m->is_static() != is_static)) { | |
| 1601 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str); | |
| 1602 } | |
| 1603 return m->jmethod_id(); | |
| 1604 } | |
| 1605 | |
| 1606 | |
| 1607 JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz, | |
| 1608 const char *name, const char *sig)) | |
| 1609 JNIWrapper("GetMethodID"); | |
| 4006 | 1610 #ifndef USDT2 |
| 0 | 1611 DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig); |
| 4006 | 1612 #else /* USDT2 */ |
| 1613 HOTSPOT_JNI_GETMETHODID_ENTRY( | |
| 1614 env, clazz, (char *) name, (char *) sig); | |
| 1615 #endif /* USDT2 */ | |
| 0 | 1616 jmethodID ret = get_method_id(env, clazz, name, sig, false, thread); |
| 4006 | 1617 #ifndef USDT2 |
| 0 | 1618 DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret); |
| 4006 | 1619 #else /* USDT2 */ |
| 1620 HOTSPOT_JNI_GETMETHODID_RETURN( | |
| 1621 (uintptr_t) ret); | |
| 1622 #endif /* USDT2 */ | |
| 0 | 1623 return ret; |
| 1624 JNI_END | |
| 1625 | |
| 1626 | |
| 1627 JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz, | |
| 1628 const char *name, const char *sig)) | |
| 1629 JNIWrapper("GetStaticMethodID"); | |
| 4006 | 1630 #ifndef USDT2 |
| 0 | 1631 DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig); |
| 4006 | 1632 #else /* USDT2 */ |
| 1633 HOTSPOT_JNI_GETSTATICMETHODID_ENTRY( | |
| 1634 env, (char *) clazz, (char *) name, (char *)sig); | |
| 1635 #endif /* USDT2 */ | |
| 0 | 1636 jmethodID ret = get_method_id(env, clazz, name, sig, true, thread); |
| 4006 | 1637 #ifndef USDT2 |
| 0 | 1638 DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret); |
| 4006 | 1639 #else /* USDT2 */ |
| 1640 HOTSPOT_JNI_GETSTATICMETHODID_RETURN( | |
| 1641 (uintptr_t) ret); | |
| 1642 #endif /* USDT2 */ | |
| 0 | 1643 return ret; |
| 1644 JNI_END | |
| 1645 | |
| 1646 | |
| 1647 | |
| 1648 // | |
| 1649 // Calling Methods | |
| 1650 // | |
| 1651 | |
| 4006 | 1652 #ifndef USDT2 |
| 0 | 1653 #define DEFINE_CALLMETHOD(ResultType, Result, Tag) \ |
| 1654 \ | |
| 1655 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\ | |
| 1656 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\ | |
| 1657 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\ | |
| 1658 \ | |
| 1659 JNI_ENTRY(ResultType, \ | |
| 1660 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1661 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1662 \ | |
| 4006 | 1663 DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \ |
| 0 | 1664 ResultType ret = 0;\ |
| 1665 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1666 (const ResultType&)ret);\ | |
| 1667 \ | |
| 1668 va_list args; \ | |
| 1669 va_start(args, methodID); \ | |
| 1670 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1671 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1672 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1673 va_end(args); \ | |
| 1674 ret = jvalue.get_##ResultType(); \ | |
| 1675 return ret;\ | |
| 1676 JNI_END \ | |
| 1677 \ | |
| 1678 \ | |
| 1679 JNI_ENTRY(ResultType, \ | |
| 1680 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1681 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1682 \ | |
| 4006 | 1683 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \ |
| 0 | 1684 ResultType ret = 0;\ |
| 1685 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1686 (const ResultType&)ret);\ | |
| 1687 \ | |
| 1688 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1689 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1690 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1691 ret = jvalue.get_##ResultType(); \ | |
| 1692 return ret;\ | |
| 1693 JNI_END \ | |
| 1694 \ | |
| 1695 \ | |
| 1696 JNI_ENTRY(ResultType, \ | |
| 1697 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1698 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 4006 | 1699 DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \ |
| 0 | 1700 ResultType ret = 0;\ |
| 1701 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1702 (const ResultType&)ret);\ | |
| 1703 \ | |
| 1704 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1705 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1706 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ |
| 1707 ret = jvalue.get_##ResultType(); \ | |
| 1708 return ret;\ | |
| 1709 JNI_END | |
| 1710 | |
| 1711 // the runtime type of subword integral basic types is integer | |
| 1712 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 1713 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE) | |
| 1714 DEFINE_CALLMETHOD(jchar, Char, T_CHAR) | |
| 1715 DEFINE_CALLMETHOD(jshort, Short, T_SHORT) | |
| 1716 | |
| 1717 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT) | |
| 1718 DEFINE_CALLMETHOD(jint, Int, T_INT) | |
| 1719 DEFINE_CALLMETHOD(jlong, Long, T_LONG) | |
| 1720 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT) | |
| 1721 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE) | |
| 1722 | |
| 1723 DT_VOID_RETURN_MARK_DECL(CallVoidMethod); | |
| 1724 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV); | |
| 1725 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA); | |
| 1726 | |
| 4006 | 1727 #else /* USDT2 */ |
| 1728 | |
| 1729 #define DEFINE_CALLMETHOD(ResultType, Result, Tag \ | |
| 1730 , EntryProbe, ReturnProbe) \ | |
| 1731 \ | |
| 1732 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \ | |
| 1733 , ReturnProbe); \ | |
| 1734 \ | |
| 1735 JNI_ENTRY(ResultType, \ | |
| 1736 jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \ | |
| 1737 JNIWrapper("Call" XSTR(Result) "Method"); \ | |
| 1738 \ | |
| 1739 EntryProbe; \ | |
| 1740 ResultType ret = 0;\ | |
| 1741 DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \ | |
| 1742 (const ResultType&)ret);\ | |
| 1743 \ | |
| 1744 va_list args; \ | |
| 1745 va_start(args, methodID); \ | |
| 1746 JavaValue jvalue(Tag); \ | |
| 1747 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1748 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1749 va_end(args); \ | |
| 1750 ret = jvalue.get_##ResultType(); \ | |
| 1751 return ret;\ | |
| 1752 JNI_END | |
| 1753 | |
| 1754 // the runtime type of subword integral basic types is integer | |
| 1755 DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 1756 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1757 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1758 DEFINE_CALLMETHOD(jbyte, Byte, T_BYTE | |
| 1759 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1760 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1761 DEFINE_CALLMETHOD(jchar, Char, T_CHAR | |
| 1762 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1763 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1764 DEFINE_CALLMETHOD(jshort, Short, T_SHORT | |
| 1765 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1766 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1767 | |
| 1768 DEFINE_CALLMETHOD(jobject, Object, T_OBJECT | |
| 1769 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1770 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1771 DEFINE_CALLMETHOD(jint, Int, T_INT, | |
| 1772 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1773 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1774 DEFINE_CALLMETHOD(jlong, Long, T_LONG | |
| 1775 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1776 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1777 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1778 DEFINE_CALLMETHOD(jfloat, Float, T_FLOAT | |
| 1779 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1780 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1781 DEFINE_CALLMETHOD(jdouble, Double, T_DOUBLE | |
| 1782 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1783 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1784 | |
| 1785 #define DEFINE_CALLMETHODV(ResultType, Result, Tag \ | |
| 1786 , EntryProbe, ReturnProbe) \ | |
| 1787 \ | |
| 1788 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \ | |
| 1789 , ReturnProbe); \ | |
| 1790 \ | |
| 1791 JNI_ENTRY(ResultType, \ | |
| 1792 jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \ | |
| 1793 JNIWrapper("Call" XSTR(Result) "MethodV"); \ | |
| 1794 \ | |
| 1795 EntryProbe;\ | |
| 1796 ResultType ret = 0;\ | |
| 1797 DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \ | |
| 1798 (const ResultType&)ret);\ | |
| 1799 \ | |
| 1800 JavaValue jvalue(Tag); \ | |
| 1801 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 1802 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1803 ret = jvalue.get_##ResultType(); \ | |
| 1804 return ret;\ | |
| 1805 JNI_END | |
| 1806 | |
| 1807 // the runtime type of subword integral basic types is integer | |
| 1808 DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 1809 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1810 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1811 DEFINE_CALLMETHODV(jbyte, Byte, T_BYTE | |
| 1812 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1813 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1814 DEFINE_CALLMETHODV(jchar, Char, T_CHAR | |
| 1815 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1816 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1817 DEFINE_CALLMETHODV(jshort, Short, T_SHORT | |
| 1818 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1819 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1820 | |
| 1821 DEFINE_CALLMETHODV(jobject, Object, T_OBJECT | |
| 1822 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1823 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1824 DEFINE_CALLMETHODV(jint, Int, T_INT, | |
| 1825 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1826 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1827 DEFINE_CALLMETHODV(jlong, Long, T_LONG | |
| 1828 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1829 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1830 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1831 DEFINE_CALLMETHODV(jfloat, Float, T_FLOAT | |
| 1832 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1833 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1834 DEFINE_CALLMETHODV(jdouble, Double, T_DOUBLE | |
| 1835 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1836 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1837 | |
| 1838 #define DEFINE_CALLMETHODA(ResultType, Result, Tag \ | |
| 1839 , EntryProbe, ReturnProbe) \ | |
| 1840 \ | |
| 1841 DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \ | |
| 1842 , ReturnProbe); \ | |
| 1843 \ | |
| 1844 JNI_ENTRY(ResultType, \ | |
| 1845 jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \ | |
| 1846 JNIWrapper("Call" XSTR(Result) "MethodA"); \ | |
| 1847 EntryProbe; \ | |
| 1848 ResultType ret = 0;\ | |
| 1849 DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \ | |
| 1850 (const ResultType&)ret);\ | |
| 1851 \ | |
| 1852 JavaValue jvalue(Tag); \ | |
| 1853 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 1854 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \ | |
| 1855 ret = jvalue.get_##ResultType(); \ | |
| 1856 return ret;\ | |
| 1857 JNI_END | |
| 1858 | |
| 1859 // the runtime type of subword integral basic types is integer | |
| 1860 DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 1861 , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1862 HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 1863 DEFINE_CALLMETHODA(jbyte, Byte, T_BYTE | |
| 1864 , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1865 HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref)) | |
| 1866 DEFINE_CALLMETHODA(jchar, Char, T_CHAR | |
| 1867 , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1868 HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref)) | |
| 1869 DEFINE_CALLMETHODA(jshort, Short, T_SHORT | |
| 1870 , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1871 HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref)) | |
| 1872 | |
| 1873 DEFINE_CALLMETHODA(jobject, Object, T_OBJECT | |
| 1874 , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1875 HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref)) | |
| 1876 DEFINE_CALLMETHODA(jint, Int, T_INT, | |
| 1877 HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1878 HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref)) | |
| 1879 DEFINE_CALLMETHODA(jlong, Long, T_LONG | |
| 1880 , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1881 HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref)) | |
| 1882 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 1883 DEFINE_CALLMETHODA(jfloat, Float, T_FLOAT | |
| 1884 , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1885 HOTSPOT_JNI_CALLFLOATMETHOD_RETURN()) | |
| 1886 DEFINE_CALLMETHODA(jdouble, Double, T_DOUBLE | |
| 1887 , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID), | |
| 1888 HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN()) | |
| 1889 | |
| 1890 DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN()); | |
| 1891 DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN()); | |
| 1892 DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN()); | |
| 1893 | |
| 1894 #endif /* USDT2 */ | |
| 1895 | |
| 0 | 1896 JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...)) |
| 1897 JNIWrapper("CallVoidMethod"); | |
| 4006 | 1898 #ifndef USDT2 |
| 0 | 1899 DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID); |
| 4006 | 1900 #else /* USDT2 */ |
| 1901 HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY( | |
| 1902 env, obj, (uintptr_t) methodID); | |
| 1903 #endif /* USDT2 */ | |
| 0 | 1904 DT_VOID_RETURN_MARK(CallVoidMethod); |
| 1905 | |
| 1906 va_list args; | |
| 1907 va_start(args, methodID); | |
| 1908 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1909 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1910 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1911 va_end(args); | |
| 1912 JNI_END | |
| 1913 | |
| 1914 | |
| 1915 JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) | |
| 1916 JNIWrapper("CallVoidMethodV"); | |
| 4006 | 1917 #ifndef USDT2 |
| 0 | 1918 DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID); |
| 4006 | 1919 #else /* USDT2 */ |
| 1920 HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY( | |
| 1921 env, obj, (uintptr_t) methodID); | |
| 1922 #endif /* USDT2 */ | |
| 0 | 1923 DT_VOID_RETURN_MARK(CallVoidMethodV); |
| 1924 | |
| 1925 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1926 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 1927 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1928 JNI_END | |
| 1929 | |
| 1930 | |
| 1931 JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) | |
| 1932 JNIWrapper("CallVoidMethodA"); | |
| 4006 | 1933 #ifndef USDT2 |
| 0 | 1934 DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID); |
| 4006 | 1935 #else /* USDT2 */ |
| 1936 HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY( | |
| 1937 env, obj, (uintptr_t) methodID); | |
| 1938 #endif /* USDT2 */ | |
| 0 | 1939 DT_VOID_RETURN_MARK(CallVoidMethodA); |
| 1940 | |
| 1941 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1942 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 1943 jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK); |
| 1944 JNI_END | |
| 1945 | |
| 1946 | |
| 4006 | 1947 #ifndef USDT2 |
| 0 | 1948 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \ |
| 1949 \ | |
| 1950 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\ | |
| 1951 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\ | |
| 1952 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\ | |
| 1953 \ | |
| 1954 JNI_ENTRY(ResultType, \ | |
| 1955 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 1956 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 1957 \ | |
| 1958 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\ | |
| 1959 ResultType ret;\ | |
| 1960 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 1961 (const ResultType&)ret);\ | |
| 1962 \ | |
| 1963 va_list args; \ | |
| 1964 va_start(args, methodID); \ | |
| 1965 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1966 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1967 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1968 va_end(args); \ | |
| 1969 ret = jvalue.get_##ResultType(); \ | |
| 1970 return ret;\ | |
| 1971 JNI_END \ | |
| 1972 \ | |
| 1973 JNI_ENTRY(ResultType, \ | |
| 1974 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 1975 JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \ | |
| 1976 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\ | |
| 1977 ResultType ret;\ | |
| 1978 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 1979 (const ResultType&)ret);\ | |
| 1980 \ | |
| 1981 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1982 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 1983 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1984 ret = jvalue.get_##ResultType(); \ | |
| 1985 return ret;\ | |
| 1986 JNI_END \ | |
| 1987 \ | |
| 1988 JNI_ENTRY(ResultType, \ | |
| 1989 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 1990 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 1991 DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\ | |
| 1992 ResultType ret;\ | |
| 1993 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 1994 (const ResultType&)ret);\ | |
| 1995 \ | |
| 1996 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
1997 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 1998 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ |
| 1999 ret = jvalue.get_##ResultType(); \ | |
| 2000 return ret;\ | |
| 2001 JNI_END | |
| 2002 | |
| 2003 // the runtime type of subword integral basic types is integer | |
| 2004 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2005 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE) | |
| 2006 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR) | |
| 2007 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT) | |
| 2008 | |
| 2009 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT) | |
| 2010 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT) | |
| 2011 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG) | |
| 2012 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT) | |
| 2013 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE) | |
| 2014 | |
| 2015 | |
| 2016 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod); | |
| 2017 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV); | |
| 2018 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA); | |
| 2019 | |
| 4006 | 2020 #else /* USDT2 */ |
| 2021 | |
| 2022 #define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \ | |
| 2023 , EntryProbe, ReturnProbe) \ | |
| 2024 \ | |
| 2025 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \ | |
| 2026 , ReturnProbe);\ | |
| 2027 \ | |
| 2028 JNI_ENTRY(ResultType, \ | |
| 2029 jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \ | |
| 2030 JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \ | |
| 2031 \ | |
| 2032 EntryProbe;\ | |
| 2033 ResultType ret;\ | |
| 2034 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \ | |
| 2035 (const ResultType&)ret);\ | |
| 2036 \ | |
| 2037 va_list args; \ | |
| 2038 va_start(args, methodID); \ | |
| 2039 JavaValue jvalue(Tag); \ | |
| 2040 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2041 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2042 va_end(args); \ | |
| 2043 ret = jvalue.get_##ResultType(); \ | |
| 2044 return ret;\ | |
| 2045 JNI_END | |
| 2046 | |
| 2047 // the runtime type of subword integral basic types is integer | |
| 2048 DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2049 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2050 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref)) | |
| 2051 DEFINE_CALLNONVIRTUALMETHOD(jbyte, Byte, T_BYTE | |
| 2052 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2053 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref)) | |
| 2054 DEFINE_CALLNONVIRTUALMETHOD(jchar, Char, T_CHAR | |
| 2055 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2056 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref)) | |
| 2057 DEFINE_CALLNONVIRTUALMETHOD(jshort, Short, T_SHORT | |
| 2058 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2059 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref)) | |
| 2060 | |
| 2061 DEFINE_CALLNONVIRTUALMETHOD(jobject, Object, T_OBJECT | |
| 2062 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2063 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref)) | |
| 2064 DEFINE_CALLNONVIRTUALMETHOD(jint, Int, T_INT | |
| 2065 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2066 HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref)) | |
| 2067 DEFINE_CALLNONVIRTUALMETHOD(jlong, Long, T_LONG | |
| 2068 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2069 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2070 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref)) | |
| 2071 DEFINE_CALLNONVIRTUALMETHOD(jfloat, Float, T_FLOAT | |
| 2072 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2073 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN()) | |
| 2074 DEFINE_CALLNONVIRTUALMETHOD(jdouble, Double, T_DOUBLE | |
| 2075 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2076 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN()) | |
| 2077 | |
| 2078 #define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \ | |
| 2079 , EntryProbe, ReturnProbe) \ | |
| 2080 \ | |
| 2081 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \ | |
| 2082 , ReturnProbe);\ | |
| 2083 \ | |
| 2084 JNI_ENTRY(ResultType, \ | |
| 2085 jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2086 JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \ | |
| 2087 \ | |
| 2088 EntryProbe;\ | |
| 2089 ResultType ret;\ | |
| 2090 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \ | |
| 2091 (const ResultType&)ret);\ | |
| 2092 \ | |
| 2093 JavaValue jvalue(Tag); \ | |
| 2094 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2095 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2096 ret = jvalue.get_##ResultType(); \ | |
| 2097 return ret;\ | |
| 2098 JNI_END | |
| 2099 | |
| 2100 // the runtime type of subword integral basic types is integer | |
| 2101 DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2102 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2103 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref)) | |
| 2104 DEFINE_CALLNONVIRTUALMETHODV(jbyte, Byte, T_BYTE | |
| 2105 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2106 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref)) | |
| 2107 DEFINE_CALLNONVIRTUALMETHODV(jchar, Char, T_CHAR | |
| 2108 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2109 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref)) | |
| 2110 DEFINE_CALLNONVIRTUALMETHODV(jshort, Short, T_SHORT | |
| 2111 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2112 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref)) | |
| 2113 | |
| 2114 DEFINE_CALLNONVIRTUALMETHODV(jobject, Object, T_OBJECT | |
| 2115 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2116 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref)) | |
| 2117 DEFINE_CALLNONVIRTUALMETHODV(jint, Int, T_INT | |
| 2118 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2119 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref)) | |
| 2120 DEFINE_CALLNONVIRTUALMETHODV(jlong, Long, T_LONG | |
| 2121 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2122 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2123 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref)) | |
| 2124 DEFINE_CALLNONVIRTUALMETHODV(jfloat, Float, T_FLOAT | |
| 2125 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2126 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN()) | |
| 2127 DEFINE_CALLNONVIRTUALMETHODV(jdouble, Double, T_DOUBLE | |
| 2128 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2129 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN()) | |
| 2130 | |
| 2131 #define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \ | |
| 2132 , EntryProbe, ReturnProbe) \ | |
| 2133 \ | |
| 2134 DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \ | |
| 2135 , ReturnProbe);\ | |
| 2136 \ | |
| 2137 JNI_ENTRY(ResultType, \ | |
| 2138 jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2139 JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \ | |
| 2140 \ | |
| 2141 EntryProbe;\ | |
| 2142 ResultType ret;\ | |
| 2143 DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \ | |
| 2144 (const ResultType&)ret);\ | |
| 2145 \ | |
| 2146 JavaValue jvalue(Tag); \ | |
| 2147 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2148 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \ | |
| 2149 ret = jvalue.get_##ResultType(); \ | |
| 2150 return ret;\ | |
| 2151 JNI_END | |
| 2152 | |
| 2153 // the runtime type of subword integral basic types is integer | |
| 2154 DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2155 , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2156 HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref)) | |
| 2157 DEFINE_CALLNONVIRTUALMETHODA(jbyte, Byte, T_BYTE | |
| 2158 , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2159 HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref)) | |
| 2160 DEFINE_CALLNONVIRTUALMETHODA(jchar, Char, T_CHAR | |
| 2161 , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2162 HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref)) | |
| 2163 DEFINE_CALLNONVIRTUALMETHODA(jshort, Short, T_SHORT | |
| 2164 , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2165 HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref)) | |
| 2166 | |
| 2167 DEFINE_CALLNONVIRTUALMETHODA(jobject, Object, T_OBJECT | |
| 2168 , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2169 HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref)) | |
| 2170 DEFINE_CALLNONVIRTUALMETHODA(jint, Int, T_INT | |
| 2171 , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2172 HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref)) | |
| 2173 DEFINE_CALLNONVIRTUALMETHODA(jlong, Long, T_LONG | |
| 2174 , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2175 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2176 HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref)) | |
| 2177 DEFINE_CALLNONVIRTUALMETHODA(jfloat, Float, T_FLOAT | |
| 2178 , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2179 HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN()) | |
| 2180 DEFINE_CALLNONVIRTUALMETHODA(jdouble, Double, T_DOUBLE | |
| 2181 , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID), | |
| 2182 HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN()) | |
| 2183 | |
| 2184 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod | |
| 2185 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN()); | |
| 2186 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV | |
| 2187 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN()); | |
| 2188 DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA | |
| 2189 , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN()); | |
| 2190 #endif /* USDT2 */ | |
| 2191 | |
| 0 | 2192 JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) |
| 2193 JNIWrapper("CallNonvirtualVoidMethod"); | |
| 2194 | |
| 4006 | 2195 #ifndef USDT2 |
| 0 | 2196 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry, |
| 2197 env, obj, cls, methodID); | |
| 4006 | 2198 #else /* USDT2 */ |
| 2199 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY( | |
| 2200 env, obj, cls, (uintptr_t) methodID); | |
| 2201 #endif /* USDT2 */ | |
| 0 | 2202 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod); |
| 2203 | |
| 2204 va_list args; | |
| 2205 va_start(args, methodID); | |
| 2206 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2207 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2208 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2209 va_end(args); | |
| 2210 JNI_END | |
| 2211 | |
| 2212 | |
| 2213 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) | |
| 2214 JNIWrapper("CallNonvirtualVoidMethodV"); | |
| 2215 | |
| 4006 | 2216 #ifndef USDT2 |
| 0 | 2217 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry, |
| 2218 env, obj, cls, methodID); | |
| 4006 | 2219 #else /* USDT2 */ |
| 2220 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY( | |
| 2221 env, obj, cls, (uintptr_t) methodID); | |
| 2222 #endif /* USDT2 */ | |
| 0 | 2223 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV); |
| 2224 | |
| 2225 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2226 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2227 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2228 JNI_END | |
| 2229 | |
| 2230 | |
| 2231 JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2232 JNIWrapper("CallNonvirtualVoidMethodA"); | |
| 4006 | 2233 #ifndef USDT2 |
| 0 | 2234 DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry, |
| 2235 env, obj, cls, methodID); | |
| 4006 | 2236 #else /* USDT2 */ |
| 2237 HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY( | |
| 2238 env, obj, cls, (uintptr_t) methodID); | |
| 2239 #endif /* USDT2 */ | |
| 0 | 2240 DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA); |
| 2241 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2242 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2243 jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK); |
| 2244 JNI_END | |
| 2245 | |
| 2246 | |
| 4006 | 2247 #ifndef USDT2 |
| 0 | 2248 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \ |
| 2249 \ | |
| 2250 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\ | |
| 2251 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\ | |
| 2252 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\ | |
| 2253 \ | |
| 2254 JNI_ENTRY(ResultType, \ | |
| 2255 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2256 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2257 \ | |
| 2258 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\ | |
| 2259 ResultType ret = 0;\ | |
| 2260 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2261 (const ResultType&)ret);\ | |
| 2262 \ | |
| 2263 va_list args; \ | |
| 2264 va_start(args, methodID); \ | |
| 2265 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2266 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2267 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2268 va_end(args); \ | |
| 2269 ret = jvalue.get_##ResultType(); \ | |
| 2270 return ret;\ | |
| 2271 JNI_END \ | |
| 2272 \ | |
| 2273 JNI_ENTRY(ResultType, \ | |
| 2274 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2275 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2276 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\ | |
| 2277 ResultType ret = 0;\ | |
| 2278 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2279 (const ResultType&)ret);\ | |
| 2280 \ | |
| 2281 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2282 JNI_ArgumentPusherVaArg ap(methodID, args); \ |
| 0 | 2283 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2284 ret = jvalue.get_##ResultType(); \ | |
| 2285 return ret;\ | |
| 2286 JNI_END \ | |
| 2287 \ | |
| 2288 JNI_ENTRY(ResultType, \ | |
| 2289 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2290 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2291 DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\ | |
| 2292 ResultType ret = 0;\ | |
| 2293 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2294 (const ResultType&)ret);\ | |
| 2295 \ | |
| 2296 JavaValue jvalue(Tag); \ | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2297 JNI_ArgumentPusherArray ap(methodID, args); \ |
| 0 | 2298 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2299 ret = jvalue.get_##ResultType(); \ | |
| 2300 return ret;\ | |
| 2301 JNI_END | |
| 2302 | |
| 2303 // the runtime type of subword integral basic types is integer | |
| 2304 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN) | |
| 2305 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE) | |
| 2306 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR) | |
| 2307 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT) | |
| 2308 | |
| 2309 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT) | |
| 2310 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT) | |
| 2311 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG) | |
| 2312 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT) | |
| 2313 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE) | |
| 2314 | |
| 2315 | |
| 2316 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod); | |
| 2317 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV); | |
| 2318 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA); | |
| 2319 | |
| 4006 | 2320 #else /* USDT2 */ |
| 2321 | |
| 2322 #define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \ | |
| 2323 , EntryProbe, ResultProbe) \ | |
| 2324 \ | |
| 2325 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \ | |
| 2326 , ResultProbe); \ | |
| 2327 \ | |
| 2328 JNI_ENTRY(ResultType, \ | |
| 2329 jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \ | |
| 2330 JNIWrapper("CallStatic" XSTR(Result) "Method"); \ | |
| 2331 \ | |
| 2332 EntryProbe; \ | |
| 2333 ResultType ret = 0;\ | |
| 2334 DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \ | |
| 2335 (const ResultType&)ret);\ | |
| 2336 \ | |
| 2337 va_list args; \ | |
| 2338 va_start(args, methodID); \ | |
| 2339 JavaValue jvalue(Tag); \ | |
| 2340 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2341 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2342 va_end(args); \ | |
| 2343 ret = jvalue.get_##ResultType(); \ | |
| 2344 return ret;\ | |
| 2345 JNI_END | |
| 2346 | |
| 2347 // the runtime type of subword integral basic types is integer | |
| 2348 DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN | |
| 2349 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2350 HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref)); | |
| 2351 DEFINE_CALLSTATICMETHOD(jbyte, Byte, T_BYTE | |
| 2352 , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2353 HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref)); | |
| 2354 DEFINE_CALLSTATICMETHOD(jchar, Char, T_CHAR | |
| 2355 , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2356 HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref)); | |
| 2357 DEFINE_CALLSTATICMETHOD(jshort, Short, T_SHORT | |
| 2358 , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2359 HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref)); | |
| 2360 | |
| 2361 DEFINE_CALLSTATICMETHOD(jobject, Object, T_OBJECT | |
| 2362 , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2363 HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref)); | |
| 2364 DEFINE_CALLSTATICMETHOD(jint, Int, T_INT | |
| 2365 , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2366 HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref)); | |
| 2367 DEFINE_CALLSTATICMETHOD(jlong, Long, T_LONG | |
| 2368 , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2369 HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref)); | |
| 2370 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2371 DEFINE_CALLSTATICMETHOD(jfloat, Float, T_FLOAT | |
| 2372 , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2373 HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN()); | |
| 2374 DEFINE_CALLSTATICMETHOD(jdouble, Double, T_DOUBLE | |
| 2375 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2376 HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN()); | |
| 2377 | |
| 2378 #define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \ | |
| 2379 , EntryProbe, ResultProbe) \ | |
| 2380 \ | |
| 2381 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \ | |
| 2382 , ResultProbe); \ | |
| 2383 \ | |
| 2384 JNI_ENTRY(ResultType, \ | |
| 2385 jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \ | |
| 2386 JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \ | |
| 2387 \ | |
| 2388 EntryProbe; \ | |
| 2389 ResultType ret = 0;\ | |
| 2390 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \ | |
| 2391 (const ResultType&)ret);\ | |
| 2392 \ | |
| 2393 JavaValue jvalue(Tag); \ | |
| 2394 JNI_ArgumentPusherVaArg ap(methodID, args); \ | |
| 2395 /* 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
|
2396 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \ |
| 6983 | 2397 k()->initialize(CHECK_0); \ |
| 4006 | 2398 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ |
| 2399 va_end(args); \ | |
| 2400 ret = jvalue.get_##ResultType(); \ | |
| 2401 return ret;\ | |
| 2402 JNI_END | |
| 2403 | |
| 2404 // the runtime type of subword integral basic types is integer | |
| 2405 DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN | |
| 2406 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2407 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref)); | |
| 2408 DEFINE_CALLSTATICMETHODV(jbyte, Byte, T_BYTE | |
| 2409 , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2410 HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref)); | |
| 2411 DEFINE_CALLSTATICMETHODV(jchar, Char, T_CHAR | |
| 2412 , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2413 HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref)); | |
| 2414 DEFINE_CALLSTATICMETHODV(jshort, Short, T_SHORT | |
| 2415 , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2416 HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref)); | |
| 2417 | |
| 2418 DEFINE_CALLSTATICMETHODV(jobject, Object, T_OBJECT | |
| 2419 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2420 HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref)); | |
| 2421 DEFINE_CALLSTATICMETHODV(jint, Int, T_INT | |
| 2422 , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2423 HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref)); | |
| 2424 DEFINE_CALLSTATICMETHODV(jlong, Long, T_LONG | |
| 2425 , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2426 HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref)); | |
| 2427 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2428 DEFINE_CALLSTATICMETHODV(jfloat, Float, T_FLOAT | |
| 2429 , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2430 HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN()); | |
| 2431 DEFINE_CALLSTATICMETHODV(jdouble, Double, T_DOUBLE | |
| 2432 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2433 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN()); | |
| 2434 | |
| 2435 #define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \ | |
| 2436 , EntryProbe, ResultProbe) \ | |
| 2437 \ | |
| 2438 DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \ | |
| 2439 , ResultProbe); \ | |
| 2440 \ | |
| 2441 JNI_ENTRY(ResultType, \ | |
| 2442 jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \ | |
| 2443 JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \ | |
| 2444 \ | |
| 2445 EntryProbe; \ | |
| 2446 ResultType ret = 0;\ | |
| 2447 DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \ | |
| 2448 (const ResultType&)ret);\ | |
| 2449 \ | |
| 2450 JavaValue jvalue(Tag); \ | |
| 2451 JNI_ArgumentPusherArray ap(methodID, args); \ | |
| 2452 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \ | |
| 2453 ret = jvalue.get_##ResultType(); \ | |
| 2454 return ret;\ | |
| 2455 JNI_END | |
| 2456 | |
| 2457 // the runtime type of subword integral basic types is integer | |
| 2458 DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN | |
| 2459 , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2460 HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref)); | |
| 2461 DEFINE_CALLSTATICMETHODA(jbyte, Byte, T_BYTE | |
| 2462 , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2463 HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref)); | |
| 2464 DEFINE_CALLSTATICMETHODA(jchar, Char, T_CHAR | |
| 2465 , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2466 HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref)); | |
| 2467 DEFINE_CALLSTATICMETHODA(jshort, Short, T_SHORT | |
| 2468 , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2469 HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref)); | |
| 2470 | |
| 2471 DEFINE_CALLSTATICMETHODA(jobject, Object, T_OBJECT | |
| 2472 , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2473 HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref)); | |
| 2474 DEFINE_CALLSTATICMETHODA(jint, Int, T_INT | |
| 2475 , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2476 HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref)); | |
| 2477 DEFINE_CALLSTATICMETHODA(jlong, Long, T_LONG | |
| 2478 , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2479 HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref)); | |
| 2480 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2481 DEFINE_CALLSTATICMETHODA(jfloat, Float, T_FLOAT | |
| 2482 , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2483 HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN()); | |
| 2484 DEFINE_CALLSTATICMETHODA(jdouble, Double, T_DOUBLE | |
| 2485 , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID), | |
| 2486 HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN()); | |
| 2487 | |
| 2488 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod | |
| 2489 , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN()); | |
| 2490 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV | |
| 2491 , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN()); | |
| 2492 DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA | |
| 2493 , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN()); | |
| 2494 #endif /* USDT2 */ | |
| 2495 | |
| 0 | 2496 JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...)) |
| 2497 JNIWrapper("CallStaticVoidMethod"); | |
| 4006 | 2498 #ifndef USDT2 |
| 0 | 2499 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID); |
| 4006 | 2500 #else /* USDT2 */ |
| 2501 HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY( | |
| 2502 env, cls, (uintptr_t) methodID); | |
| 2503 #endif /* USDT2 */ | |
| 0 | 2504 DT_VOID_RETURN_MARK(CallStaticVoidMethod); |
| 2505 | |
| 2506 va_list args; | |
| 2507 va_start(args, methodID); | |
| 2508 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2509 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2510 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2511 va_end(args); | |
| 2512 JNI_END | |
| 2513 | |
| 2514 | |
| 2515 JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) | |
| 2516 JNIWrapper("CallStaticVoidMethodV"); | |
| 4006 | 2517 #ifndef USDT2 |
| 0 | 2518 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID); |
| 4006 | 2519 #else /* USDT2 */ |
| 2520 HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY( | |
| 2521 env, cls, (uintptr_t) methodID); | |
| 2522 #endif /* USDT2 */ | |
| 0 | 2523 DT_VOID_RETURN_MARK(CallStaticVoidMethodV); |
| 2524 | |
| 2525 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2526 JNI_ArgumentPusherVaArg ap(methodID, args); |
| 0 | 2527 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2528 JNI_END | |
| 2529 | |
| 2530 | |
| 2531 JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) | |
| 2532 JNIWrapper("CallStaticVoidMethodA"); | |
| 4006 | 2533 #ifndef USDT2 |
| 0 | 2534 DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID); |
| 4006 | 2535 #else /* USDT2 */ |
| 2536 HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY( | |
| 2537 env, cls, (uintptr_t) methodID); | |
| 2538 #endif /* USDT2 */ | |
| 0 | 2539 DT_VOID_RETURN_MARK(CallStaticVoidMethodA); |
| 2540 | |
| 2541 JavaValue jvalue(T_VOID); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2542 JNI_ArgumentPusherArray ap(methodID, args); |
| 0 | 2543 jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK); |
| 2544 JNI_END | |
| 2545 | |
| 2546 | |
| 2547 // | |
| 2548 // Accessing Fields | |
| 2549 // | |
| 2550 | |
| 2551 | |
| 4006 | 2552 #ifndef USDT2 |
| 0 | 2553 DT_RETURN_MARK_DECL(GetFieldID, jfieldID); |
| 4006 | 2554 #else /* USDT2 */ |
| 2555 DT_RETURN_MARK_DECL(GetFieldID, jfieldID | |
| 2556 , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2557 #endif /* USDT2 */ | |
| 0 | 2558 |
| 2559 JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz, | |
| 2560 const char *name, const char *sig)) | |
| 2561 JNIWrapper("GetFieldID"); | |
| 4006 | 2562 #ifndef USDT2 |
| 0 | 2563 DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig); |
| 4006 | 2564 #else /* USDT2 */ |
| 2565 HOTSPOT_JNI_GETFIELDID_ENTRY( | |
| 2566 env, clazz, (char *) name, (char *) sig); | |
| 2567 #endif /* USDT2 */ | |
| 0 | 2568 jfieldID ret = 0; |
| 2569 DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret); | |
| 2570 | |
| 2571 // The class should have been loaded (we have an instance of the class | |
| 2572 // passed in) so the field and signature should already be in the symbol | |
| 2573 // 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
|
2574 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2575 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2576 if (fieldname == NULL || signame == NULL) { |
| 0 | 2577 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2578 } | |
| 2579 KlassHandle k(THREAD, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2580 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2581 // Make sure class is initialized before handing id's out to fields |
| 6983 | 2582 k()->initialize(CHECK_NULL); |
| 0 | 2583 |
| 2584 fieldDescriptor fd; | |
| 6983 | 2585 if (!k()->oop_is_instance() || |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2586 !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) { |
| 0 | 2587 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2588 } | |
| 2589 | |
| 2590 // A jfieldID for a non-static field is simply the offset of the field within the instanceOop | |
| 2591 // It may also have hash bits for k, if VerifyJNIFields is turned on. | |
| 2592 ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset()); | |
| 2593 return ret; | |
| 2594 JNI_END | |
| 2595 | |
| 2596 | |
| 2597 JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID)) | |
| 2598 JNIWrapper("GetObjectField"); | |
| 4006 | 2599 #ifndef USDT2 |
| 0 | 2600 DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID); |
| 4006 | 2601 #else /* USDT2 */ |
| 2602 HOTSPOT_JNI_GETOBJECTFIELD_ENTRY( | |
| 2603 env, obj, (uintptr_t) fieldID); | |
| 2604 #endif /* USDT2 */ | |
| 0 | 2605 oop o = JNIHandles::resolve_non_null(obj); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2606 Klass* k = o->klass(); |
| 0 | 2607 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2608 // Keep JVMTI addition small and only check enabled flag here. | |
| 2609 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2610 if (JvmtiExport::should_post_field_access()) { | |
| 2611 o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false); | |
| 2612 } | |
| 2613 jobject ret = JNIHandles::make_local(env, o->obj_field(offset)); | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7182
diff
changeset
|
2614 #if INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2615 // 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
|
2616 // 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
|
2617 // referent with the SATB barrier. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2618 if (UseG1GC) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2619 bool needs_barrier = false; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2620 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2621 if (ret != NULL && |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2622 offset == java_lang_ref_Reference::referent_offset && |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2623 InstanceKlass::cast(k)->reference_type() != REF_NONE) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2624 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
|
2625 needs_barrier = true; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2626 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2627 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2628 if (needs_barrier) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2629 oop referent = JNIHandles::resolve(ret); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2630 G1SATBCardTableModRefBS::enqueue(referent); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2631 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2376
diff
changeset
|
2632 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7182
diff
changeset
|
2633 #endif // INCLUDE_ALL_GCS |
| 4006 | 2634 #ifndef USDT2 |
| 0 | 2635 DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret); |
| 4006 | 2636 #else /* USDT2 */ |
| 2637 HOTSPOT_JNI_GETOBJECTFIELD_RETURN( | |
| 2638 ret); | |
| 2639 #endif /* USDT2 */ | |
| 0 | 2640 return ret; |
| 2641 JNI_END | |
| 2642 | |
| 2643 | |
| 4006 | 2644 #ifndef USDT2 |
| 0 | 2645 #define DEFINE_GETFIELD(Return,Fieldname,Result) \ |
| 2646 \ | |
| 2647 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\ | |
| 2648 \ | |
| 2649 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2650 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2651 \ | |
| 2652 DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\ | |
| 2653 Return ret = 0;\ | |
| 2654 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2655 \ | |
| 2656 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2657 Klass* k = o->klass(); \ |
| 0 | 2658 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2659 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2660 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2661 /* and creates a ResetNoHandleMark. */ \ | |
| 2662 if (JvmtiExport::should_post_field_access()) { \ | |
| 2663 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2664 } \ | |
| 2665 ret = o->Fieldname##_field(offset); \ | |
| 2666 return ret; \ | |
| 2667 JNI_END | |
| 2668 | |
| 2669 DEFINE_GETFIELD(jboolean, bool, Boolean) | |
| 2670 DEFINE_GETFIELD(jbyte, byte, Byte) | |
| 2671 DEFINE_GETFIELD(jchar, char, Char) | |
| 2672 DEFINE_GETFIELD(jshort, short, Short) | |
| 2673 DEFINE_GETFIELD(jint, int, Int) | |
| 2674 DEFINE_GETFIELD(jlong, long, Long) | |
| 2675 DEFINE_GETFIELD(jfloat, float, Float) | |
| 2676 DEFINE_GETFIELD(jdouble, double, Double) | |
| 2677 | |
| 4006 | 2678 #else /* USDT2 */ |
| 2679 | |
| 2680 #define DEFINE_GETFIELD(Return,Fieldname,Result \ | |
| 2681 , EntryProbe, ReturnProbe) \ | |
| 2682 \ | |
| 2683 DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \ | |
| 2684 , ReturnProbe); \ | |
| 2685 \ | |
| 2686 JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \ | |
| 2687 JNIWrapper("Get" XSTR(Result) "Field"); \ | |
| 2688 \ | |
| 2689 EntryProbe; \ | |
| 2690 Return ret = 0;\ | |
| 2691 DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\ | |
| 2692 \ | |
| 2693 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2694 Klass* k = o->klass(); \ |
| 4006 | 2695 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2696 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2697 /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2698 /* and creates a ResetNoHandleMark. */ \ | |
| 2699 if (JvmtiExport::should_post_field_access()) { \ | |
| 2700 o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \ | |
| 2701 } \ | |
| 2702 ret = o->Fieldname##_field(offset); \ | |
| 2703 return ret; \ | |
| 2704 JNI_END | |
| 2705 | |
| 2706 DEFINE_GETFIELD(jboolean, bool, Boolean | |
| 2707 , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2708 HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref)) | |
| 2709 DEFINE_GETFIELD(jbyte, byte, Byte | |
| 2710 , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2711 HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref)) | |
| 2712 DEFINE_GETFIELD(jchar, char, Char | |
| 2713 , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2714 HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref)) | |
| 2715 DEFINE_GETFIELD(jshort, short, Short | |
| 2716 , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2717 HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref)) | |
| 2718 DEFINE_GETFIELD(jint, int, Int | |
| 2719 , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2720 HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref)) | |
| 2721 DEFINE_GETFIELD(jlong, long, Long | |
| 2722 , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2723 HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref)) | |
| 2724 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2725 DEFINE_GETFIELD(jfloat, float, Float | |
| 2726 , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2727 HOTSPOT_JNI_GETFLOATFIELD_RETURN()) | |
| 2728 DEFINE_GETFIELD(jdouble, double, Double | |
| 2729 , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2730 HOTSPOT_JNI_GETDOUBLEFIELD_RETURN()) | |
| 2731 #endif /* USDT2 */ | |
| 2732 | |
| 0 | 2733 address jni_GetBooleanField_addr() { |
| 2734 return (address)jni_GetBooleanField; | |
| 2735 } | |
| 2736 address jni_GetByteField_addr() { | |
| 2737 return (address)jni_GetByteField; | |
| 2738 } | |
| 2739 address jni_GetCharField_addr() { | |
| 2740 return (address)jni_GetCharField; | |
| 2741 } | |
| 2742 address jni_GetShortField_addr() { | |
| 2743 return (address)jni_GetShortField; | |
| 2744 } | |
| 2745 address jni_GetIntField_addr() { | |
| 2746 return (address)jni_GetIntField; | |
| 2747 } | |
| 2748 address jni_GetLongField_addr() { | |
| 2749 return (address)jni_GetLongField; | |
| 2750 } | |
| 2751 address jni_GetFloatField_addr() { | |
| 2752 return (address)jni_GetFloatField; | |
| 2753 } | |
| 2754 address jni_GetDoubleField_addr() { | |
| 2755 return (address)jni_GetDoubleField; | |
| 2756 } | |
| 2757 | |
| 2758 JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value)) | |
| 2759 JNIWrapper("SetObjectField"); | |
| 4006 | 2760 #ifndef USDT2 |
| 0 | 2761 DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value); |
| 4006 | 2762 #else /* USDT2 */ |
| 2763 HOTSPOT_JNI_SETOBJECTFIELD_ENTRY( | |
| 2764 env, obj, (uintptr_t) fieldID, value); | |
| 2765 #endif /* USDT2 */ | |
| 0 | 2766 oop o = JNIHandles::resolve_non_null(obj); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2767 Klass* k = o->klass(); |
| 0 | 2768 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); |
| 2769 // Keep JVMTI addition small and only check enabled flag here. | |
| 2770 // jni_SetField_probe_nh() assumes that is not okay to create handles | |
| 2771 // and creates a ResetNoHandleMark. | |
| 2772 if (JvmtiExport::should_post_field_modification()) { | |
| 2773 jvalue field_value; | |
| 2774 field_value.l = value; | |
| 2775 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value); | |
| 2776 } | |
| 2777 o->obj_field_put(offset, JNIHandles::resolve(value)); | |
| 4006 | 2778 #ifndef USDT2 |
| 0 | 2779 DTRACE_PROBE(hotspot_jni, SetObjectField__return); |
| 4006 | 2780 #else /* USDT2 */ |
| 2781 HOTSPOT_JNI_SETOBJECTFIELD_RETURN( | |
| 2782 ); | |
| 2783 #endif /* USDT2 */ | |
| 0 | 2784 JNI_END |
| 2785 | |
| 4006 | 2786 #ifndef USDT2 |
| 0 | 2787 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 2788 \ | |
| 2789 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2790 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2791 \ | |
|
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
2792 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
2793 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
|
2794 DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \ |
| 0 | 2795 \ |
| 2796 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2797 Klass* k = o->klass(); \ |
| 0 | 2798 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2799 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2800 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2801 /* and creates a ResetNoHandleMark. */ \ | |
| 2802 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2803 jvalue field_value; \ | |
| 2804 field_value.unionType = value; \ | |
| 2805 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2806 } \ | |
| 2807 o->Fieldname##_field_put(offset, value); \ | |
| 2808 DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\ | |
| 2809 JNI_END | |
| 2810 | |
| 2811 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 2812 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b) | |
| 2813 DEFINE_SETFIELD(jchar, char, Char, 'C', c) | |
| 2814 DEFINE_SETFIELD(jshort, short, Short, 'S', s) | |
| 2815 DEFINE_SETFIELD(jint, int, Int, 'I', i) | |
| 2816 DEFINE_SETFIELD(jlong, long, Long, 'J', j) | |
| 2817 DEFINE_SETFIELD(jfloat, float, Float, 'F', f) | |
| 2818 DEFINE_SETFIELD(jdouble, double, Double, 'D', d) | |
| 2819 | |
| 4006 | 2820 #else /* USDT2 */ |
| 2821 | |
| 2822 #define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 2823 , EntryProbe, ReturnProbe) \ | |
| 2824 \ | |
| 2825 JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \ | |
| 2826 JNIWrapper("Set" XSTR(Result) "Field"); \ | |
| 2827 \ | |
| 2828 EntryProbe; \ | |
| 2829 \ | |
| 2830 oop o = JNIHandles::resolve_non_null(obj); \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2831 Klass* k = o->klass(); \ |
| 4006 | 2832 int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID); \ |
| 2833 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 2834 /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \ | |
| 2835 /* and creates a ResetNoHandleMark. */ \ | |
| 2836 if (JvmtiExport::should_post_field_modification()) { \ | |
| 2837 jvalue field_value; \ | |
| 2838 field_value.unionType = value; \ | |
| 2839 o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \ | |
| 2840 } \ | |
| 2841 o->Fieldname##_field_put(offset, value); \ | |
| 2842 ReturnProbe; \ | |
| 2843 JNI_END | |
| 2844 | |
| 2845 DEFINE_SETFIELD(jboolean, bool, Boolean, 'Z', z | |
| 2846 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2847 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 2848 DEFINE_SETFIELD(jbyte, byte, Byte, 'B', b | |
| 2849 , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2850 HOTSPOT_JNI_SETBYTEFIELD_RETURN()) | |
| 2851 DEFINE_SETFIELD(jchar, char, Char, 'C', c | |
| 2852 , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2853 HOTSPOT_JNI_SETCHARFIELD_RETURN()) | |
| 2854 DEFINE_SETFIELD(jshort, short, Short, 'S', s | |
| 2855 , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2856 HOTSPOT_JNI_SETSHORTFIELD_RETURN()) | |
| 2857 DEFINE_SETFIELD(jint, int, Int, 'I', i | |
| 2858 , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2859 HOTSPOT_JNI_SETINTFIELD_RETURN()) | |
| 2860 DEFINE_SETFIELD(jlong, long, Long, 'J', j | |
| 2861 , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value), | |
| 2862 HOTSPOT_JNI_SETLONGFIELD_RETURN()) | |
| 2863 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 2864 DEFINE_SETFIELD(jfloat, float, Float, 'F', f | |
| 2865 , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2866 HOTSPOT_JNI_SETFLOATFIELD_RETURN()) | |
| 2867 DEFINE_SETFIELD(jdouble, double, Double, 'D', d | |
| 2868 , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID), | |
| 2869 HOTSPOT_JNI_SETDOUBLEFIELD_RETURN()) | |
| 2870 #endif /* USDT2 */ | |
| 2871 | |
| 2872 #ifndef USDT2 | |
| 0 | 2873 DT_RETURN_MARK_DECL(ToReflectedField, jobject); |
| 4006 | 2874 #else /* USDT2 */ |
| 2875 DT_RETURN_MARK_DECL(ToReflectedField, jobject | |
| 2876 , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref)); | |
| 2877 #endif /* USDT2 */ | |
| 0 | 2878 |
| 2879 JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic)) | |
| 2880 JNIWrapper("ToReflectedField"); | |
| 4006 | 2881 #ifndef USDT2 |
| 0 | 2882 DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry, |
| 2883 env, cls, fieldID, isStatic); | |
| 4006 | 2884 #else /* USDT2 */ |
| 2885 HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY( | |
| 2886 env, cls, (uintptr_t) fieldID, isStatic); | |
| 2887 #endif /* USDT2 */ | |
| 0 | 2888 jobject ret = NULL; |
| 2889 DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret); | |
| 2890 | |
| 2891 fieldDescriptor fd; | |
| 2892 bool found = false; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2893 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls)); |
| 0 | 2894 |
| 2895 assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID"); | |
| 2896 | |
| 2897 if (isStatic) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2898 // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*. |
| 0 | 2899 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2900 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
|
2901 found = id->find_local_field(&fd); |
| 0 | 2902 } else { |
| 2903 // Non-static field. The fieldID is really the offset of the field within the instanceOop. | |
| 2904 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
|
2905 found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd); |
| 0 | 2906 } |
| 2907 assert(found, "bad fieldID passed into jni_ToReflectedField"); | |
| 2908 oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL); | |
| 2909 ret = JNIHandles::make_local(env, reflected); | |
| 2910 return ret; | |
| 2911 JNI_END | |
| 2912 | |
| 2913 | |
| 2914 // | |
| 2915 // Accessing Static Fields | |
| 2916 // | |
| 4006 | 2917 #ifndef USDT2 |
| 0 | 2918 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID); |
| 4006 | 2919 #else /* USDT2 */ |
| 2920 DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID | |
| 2921 , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref)); | |
| 2922 #endif /* USDT2 */ | |
| 0 | 2923 |
| 2924 JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz, | |
| 2925 const char *name, const char *sig)) | |
| 2926 JNIWrapper("GetStaticFieldID"); | |
| 4006 | 2927 #ifndef USDT2 |
| 0 | 2928 DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig); |
| 4006 | 2929 #else /* USDT2 */ |
| 2930 HOTSPOT_JNI_GETSTATICFIELDID_ENTRY( | |
| 2931 env, clazz, (char *) name, (char *) sig); | |
| 2932 #endif /* USDT2 */ | |
| 0 | 2933 jfieldID ret = NULL; |
| 2934 DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret); | |
| 2935 | |
| 2936 // The class should have been loaded (we have an instance of the class | |
| 2937 // passed in) so the field and signature should already be in the symbol | |
| 2938 // 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
|
2939 TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2940 TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig)); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
2941 if (fieldname == NULL || signame == NULL) { |
| 0 | 2942 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2943 } | |
| 2944 KlassHandle k(THREAD, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2945 java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 2946 // Make sure class is initialized before handing id's out to static fields |
| 6983 | 2947 k()->initialize(CHECK_NULL); |
| 0 | 2948 |
| 2949 fieldDescriptor fd; | |
| 6983 | 2950 if (!k()->oop_is_instance() || |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2951 !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) { |
| 0 | 2952 THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name); |
| 2953 } | |
| 2954 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2955 // 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
|
2956 JNIid* id = fd.field_holder()->jni_id_for(fd.offset()); |
| 0 | 2957 debug_only(id->set_is_static_field_id();) |
| 2958 | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
2959 debug_only(id->verify(fd.field_holder())); |
| 0 | 2960 |
| 2961 ret = jfieldIDWorkaround::to_static_jfieldID(id); | |
| 2962 return ret; | |
| 2963 JNI_END | |
| 2964 | |
| 2965 | |
| 2966 JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID)) | |
| 2967 JNIWrapper("GetStaticObjectField"); | |
| 4006 | 2968 #ifndef USDT2 |
| 0 | 2969 DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID); |
| 4006 | 2970 #else /* USDT2 */ |
| 2971 HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY( | |
| 2972 env, clazz, (uintptr_t) fieldID); | |
| 2973 #endif /* USDT2 */ | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
2974 #if INCLUDE_JNI_CHECK |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
2975 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
|
2976 #endif // INCLUDE_JNI_CHECK |
| 0 | 2977 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 2978 assert(id->is_static_field_id(), "invalid static field id"); | |
| 2979 // Keep JVMTI addition small and only check enabled flag here. | |
| 2980 // jni_GetField_probe() assumes that is okay to create handles. | |
| 2981 if (JvmtiExport::should_post_field_access()) { | |
| 2982 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); | |
| 2983 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
2984 jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset())); |
| 4006 | 2985 #ifndef USDT2 |
| 0 | 2986 DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret); |
| 4006 | 2987 #else /* USDT2 */ |
| 2988 HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN( | |
| 2989 ret); | |
| 2990 #endif /* USDT2 */ | |
| 0 | 2991 return ret; |
| 2992 JNI_END | |
| 2993 | |
| 4006 | 2994 #ifndef USDT2 |
| 0 | 2995 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \ |
| 2996 \ | |
| 2997 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\ | |
| 2998 \ | |
| 2999 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3000 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3001 DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\ | |
| 3002 Return ret = 0;\ | |
| 3003 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3004 (const Return&)ret);\ | |
| 3005 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3006 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3007 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3008 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3009 if (JvmtiExport::should_post_field_access()) { \ | |
| 3010 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3011 } \ | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3012 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ |
| 0 | 3013 return ret;\ |
| 3014 JNI_END | |
| 3015 | |
| 3016 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean) | |
| 3017 DEFINE_GETSTATICFIELD(jbyte, byte, Byte) | |
| 3018 DEFINE_GETSTATICFIELD(jchar, char, Char) | |
| 3019 DEFINE_GETSTATICFIELD(jshort, short, Short) | |
| 3020 DEFINE_GETSTATICFIELD(jint, int, Int) | |
| 3021 DEFINE_GETSTATICFIELD(jlong, long, Long) | |
| 3022 DEFINE_GETSTATICFIELD(jfloat, float, Float) | |
| 3023 DEFINE_GETSTATICFIELD(jdouble, double, Double) | |
| 3024 | |
| 4006 | 3025 #else /* USDT2 */ |
| 3026 | |
| 3027 #define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \ | |
| 3028 , EntryProbe, ReturnProbe) \ | |
| 3029 \ | |
| 3030 DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \ | |
| 3031 , ReturnProbe); \ | |
| 3032 \ | |
| 3033 JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \ | |
| 3034 JNIWrapper("GetStatic" XSTR(Result) "Field"); \ | |
| 3035 EntryProbe; \ | |
| 3036 Return ret = 0;\ | |
| 3037 DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \ | |
| 3038 (const Return&)ret);\ | |
| 3039 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3040 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3041 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3042 /* jni_GetField_probe() assumes that is okay to create handles. */ \ | |
| 3043 if (JvmtiExport::should_post_field_access()) { \ | |
| 3044 JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \ | |
| 3045 } \ | |
| 3046 ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \ | |
| 3047 return ret;\ | |
| 3048 JNI_END | |
| 3049 | |
| 3050 DEFINE_GETSTATICFIELD(jboolean, bool, Boolean | |
| 3051 , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref)) | |
| 3052 DEFINE_GETSTATICFIELD(jbyte, byte, Byte | |
| 3053 , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref) ) | |
| 3054 DEFINE_GETSTATICFIELD(jchar, char, Char | |
| 3055 , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref) ) | |
| 3056 DEFINE_GETSTATICFIELD(jshort, short, Short | |
| 3057 , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref) ) | |
| 3058 DEFINE_GETSTATICFIELD(jint, int, Int | |
| 3059 , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref) ) | |
| 3060 DEFINE_GETSTATICFIELD(jlong, long, Long | |
| 3061 , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref) ) | |
| 3062 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3063 DEFINE_GETSTATICFIELD(jfloat, float, Float | |
| 3064 , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN() ) | |
| 3065 DEFINE_GETSTATICFIELD(jdouble, double, Double | |
| 3066 , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN() ) | |
| 3067 #endif /* USDT2 */ | |
| 0 | 3068 |
| 3069 JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value)) | |
| 3070 JNIWrapper("SetStaticObjectField"); | |
| 4006 | 3071 #ifndef USDT2 |
| 0 | 3072 DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value); |
| 4006 | 3073 #else /* USDT2 */ |
| 3074 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY( | |
| 3075 env, clazz, (uintptr_t) fieldID, value); | |
| 3076 #endif /* USDT2 */ | |
| 0 | 3077 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); |
| 3078 assert(id->is_static_field_id(), "invalid static field id"); | |
| 3079 // Keep JVMTI addition small and only check enabled flag here. | |
| 3080 // jni_SetField_probe() assumes that is okay to create handles. | |
| 3081 if (JvmtiExport::should_post_field_modification()) { | |
| 3082 jvalue field_value; | |
| 3083 field_value.l = value; | |
| 3084 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value); | |
| 3085 } | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3086 id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value)); |
| 4006 | 3087 #ifndef USDT2 |
| 0 | 3088 DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return); |
| 4006 | 3089 #else /* USDT2 */ |
| 3090 HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN( | |
| 3091 ); | |
| 3092 #endif /* USDT2 */ | |
| 0 | 3093 JNI_END |
| 3094 | |
| 3095 | |
| 4006 | 3096 #ifndef USDT2 |
| 0 | 3097 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \ |
| 3098 \ | |
| 3099 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3100 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
|
6837
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3101 FP_SELECT_##Result( \ |
|
75982791ddb6
7170638: Use DTRACE_PROBE[N] in JNI Set and SetStatic Field.
coleenp
parents:
6831
diff
changeset
|
3102 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
|
3103 DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \ |
| 0 | 3104 \ |
| 3105 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3106 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3107 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3108 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3109 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3110 jvalue field_value; \ | |
| 3111 field_value.unionType = value; \ | |
| 3112 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3113 } \ | |
|
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
3114 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ |
| 0 | 3115 DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\ |
| 3116 JNI_END | |
| 3117 | |
| 3118 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z) | |
| 3119 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b) | |
| 3120 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c) | |
| 3121 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s) | |
| 3122 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i) | |
| 3123 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j) | |
| 3124 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f) | |
| 3125 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d) | |
| 3126 | |
| 4006 | 3127 #else /* USDT2 */ |
| 3128 | |
| 3129 #define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \ | |
| 3130 , EntryProbe, ReturnProbe) \ | |
| 3131 \ | |
| 3132 JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \ | |
| 3133 JNIWrapper("SetStatic" XSTR(Result) "Field"); \ | |
| 3134 EntryProbe; \ | |
| 3135 \ | |
| 3136 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \ | |
| 3137 assert(id->is_static_field_id(), "invalid static field id"); \ | |
| 3138 /* Keep JVMTI addition small and only check enabled flag here. */ \ | |
| 3139 /* jni_SetField_probe() assumes that is okay to create handles. */ \ | |
| 3140 if (JvmtiExport::should_post_field_modification()) { \ | |
| 3141 jvalue field_value; \ | |
| 3142 field_value.unionType = value; \ | |
| 3143 JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \ | |
| 3144 } \ | |
| 3145 id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \ | |
| 3146 ReturnProbe;\ | |
| 3147 JNI_END | |
| 3148 | |
| 3149 DEFINE_SETSTATICFIELD(jboolean, bool, Boolean, 'Z', z | |
| 3150 , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value), | |
| 3151 HOTSPOT_JNI_SETBOOLEANFIELD_RETURN()) | |
| 3152 DEFINE_SETSTATICFIELD(jbyte, byte, Byte, 'B', b | |
| 3153 , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3154 HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN()) | |
| 3155 DEFINE_SETSTATICFIELD(jchar, char, Char, 'C', c | |
| 3156 , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3157 HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN()) | |
| 3158 DEFINE_SETSTATICFIELD(jshort, short, Short, 'S', s | |
| 3159 , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3160 HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN()) | |
| 3161 DEFINE_SETSTATICFIELD(jint, int, Int, 'I', i | |
| 3162 , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3163 HOTSPOT_JNI_SETSTATICINTFIELD_RETURN()) | |
| 3164 DEFINE_SETSTATICFIELD(jlong, long, Long, 'J', j | |
| 3165 , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value), | |
| 3166 HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN()) | |
| 3167 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3168 DEFINE_SETSTATICFIELD(jfloat, float, Float, 'F', f | |
| 3169 , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3170 HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN()) | |
| 3171 DEFINE_SETSTATICFIELD(jdouble, double, Double, 'D', d | |
| 3172 , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), | |
| 3173 HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN()) | |
| 3174 #endif /* USDT2 */ | |
| 0 | 3175 |
| 3176 // | |
| 3177 // String Operations | |
| 3178 // | |
| 3179 | |
| 3180 // Unicode Interface | |
| 3181 | |
| 4006 | 3182 #ifndef USDT2 |
| 0 | 3183 DT_RETURN_MARK_DECL(NewString, jstring); |
| 4006 | 3184 #else /* USDT2 */ |
| 3185 DT_RETURN_MARK_DECL(NewString, jstring | |
| 3186 , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref)); | |
| 3187 #endif /* USDT2 */ | |
| 0 | 3188 |
| 3189 JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len)) | |
| 3190 JNIWrapper("NewString"); | |
| 4006 | 3191 #ifndef USDT2 |
| 0 | 3192 DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len); |
| 4006 | 3193 #else /* USDT2 */ |
| 3194 HOTSPOT_JNI_NEWSTRING_ENTRY( | |
| 3195 env, (uint16_t *) unicodeChars, len); | |
| 3196 #endif /* USDT2 */ | |
| 0 | 3197 jstring ret = NULL; |
| 3198 DT_RETURN_MARK(NewString, jstring, (const jstring&)ret); | |
| 3199 oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL); | |
| 3200 ret = (jstring) JNIHandles::make_local(env, string); | |
| 3201 return ret; | |
| 3202 JNI_END | |
| 3203 | |
| 3204 | |
| 3205 JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string)) | |
| 3206 JNIWrapper("GetStringLength"); | |
| 4006 | 3207 #ifndef USDT2 |
| 0 | 3208 DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string); |
| 4006 | 3209 #else /* USDT2 */ |
| 3210 HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY( | |
| 3211 env, string); | |
| 3212 #endif /* USDT2 */ | |
|
12819
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3213 jsize ret = 0; |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3214 oop s = JNIHandles::resolve_non_null(string); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3215 if (java_lang_String::value(s) != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3216 ret = java_lang_String::length(s); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3217 } |
| 4006 | 3218 #ifndef USDT2 |
| 0 | 3219 DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret); |
| 4006 | 3220 #else /* USDT2 */ |
| 3221 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN( | |
| 3222 ret); | |
| 3223 #endif /* USDT2 */ | |
| 0 | 3224 return ret; |
| 3225 JNI_END | |
| 3226 | |
| 3227 | |
| 3228 JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars( | |
| 3229 JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3230 JNIWrapper("GetStringChars"); | |
| 4006 | 3231 #ifndef USDT2 |
| 0 | 3232 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 4006 | 3233 #else /* USDT2 */ |
| 3234 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | |
| 3235 env, string, (uintptr_t *) isCopy); | |
| 3236 #endif /* USDT2 */ | |
|
12819
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3237 jchar* buf = NULL; |
| 0 | 3238 oop s = JNIHandles::resolve_non_null(string); |
| 3239 typeArrayOop s_value = java_lang_String::value(s); | |
|
12819
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3240 if (s_value != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3241 int s_len = java_lang_String::length(s); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3242 int s_offset = java_lang_String::offset(s); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3243 buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3244 /* JNI Specification states return NULL on OOM */ |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3245 if (buf != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3246 if (s_len > 0) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3247 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3248 } |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3249 buf[s_len] = 0; |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3250 //%note jni_5 |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3251 if (isCopy != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3252 *isCopy = JNI_TRUE; |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3253 } |
|
12109
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3254 } |
| 0 | 3255 } |
| 4006 | 3256 #ifndef USDT2 |
| 0 | 3257 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 4006 | 3258 #else /* USDT2 */ |
| 3259 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | |
| 3260 buf); | |
| 3261 #endif /* USDT2 */ | |
| 0 | 3262 return buf; |
| 3263 JNI_END | |
| 3264 | |
| 3265 | |
| 3266 JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars)) | |
| 3267 JNIWrapper("ReleaseStringChars"); | |
| 4006 | 3268 #ifndef USDT2 |
| 0 | 3269 DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars); |
| 4006 | 3270 #else /* USDT2 */ |
| 3271 HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY( | |
| 3272 env, str, (uint16_t *) chars); | |
| 3273 #endif /* USDT2 */ | |
| 0 | 3274 //%note jni_6 |
| 3275 if (chars != NULL) { | |
| 3276 // Since String objects are supposed to be immutable, don't copy any | |
| 3277 // new data back. A bad user will have to go after the char array. | |
| 3278 FreeHeap((void*) chars); | |
| 3279 } | |
| 4006 | 3280 #ifndef USDT2 |
| 0 | 3281 DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return); |
| 4006 | 3282 #else /* USDT2 */ |
| 3283 HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN( | |
| 3284 ); | |
| 3285 #endif /* USDT2 */ | |
| 0 | 3286 JNI_END |
| 3287 | |
| 3288 | |
| 3289 // UTF Interface | |
| 3290 | |
| 4006 | 3291 #ifndef USDT2 |
| 0 | 3292 DT_RETURN_MARK_DECL(NewStringUTF, jstring); |
| 4006 | 3293 #else /* USDT2 */ |
| 3294 DT_RETURN_MARK_DECL(NewStringUTF, jstring | |
| 3295 , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref)); | |
| 3296 #endif /* USDT2 */ | |
| 0 | 3297 |
| 3298 JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes)) | |
| 3299 JNIWrapper("NewStringUTF"); | |
| 4006 | 3300 #ifndef USDT2 |
| 0 | 3301 DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes); |
| 4006 | 3302 #else /* USDT2 */ |
| 3303 HOTSPOT_JNI_NEWSTRINGUTF_ENTRY( | |
| 3304 env, (char *) bytes); | |
| 3305 #endif /* USDT2 */ | |
| 0 | 3306 jstring ret; |
| 3307 DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret); | |
| 3308 | |
| 3309 oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL); | |
| 3310 ret = (jstring) JNIHandles::make_local(env, result); | |
| 3311 return ret; | |
| 3312 JNI_END | |
| 3313 | |
| 3314 | |
| 3315 JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string)) | |
| 3316 JNIWrapper("GetStringUTFLength"); | |
| 4006 | 3317 #ifndef USDT2 |
| 0 | 3318 DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string); |
| 4006 | 3319 #else /* USDT2 */ |
| 3320 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY( | |
| 3321 env, string); | |
| 3322 #endif /* USDT2 */ | |
|
12819
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3323 jsize ret = 0; |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3324 oop java_string = JNIHandles::resolve_non_null(string); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3325 if (java_lang_String::value(java_string) != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3326 ret = java_lang_String::utf8_length(java_string); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3327 } |
| 4006 | 3328 #ifndef USDT2 |
| 0 | 3329 DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret); |
| 4006 | 3330 #else /* USDT2 */ |
| 3331 HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN( | |
| 3332 ret); | |
| 3333 #endif /* USDT2 */ | |
| 0 | 3334 return ret; |
| 3335 JNI_END | |
| 3336 | |
| 3337 | |
| 3338 JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 3339 JNIWrapper("GetStringUTFChars"); | |
| 4006 | 3340 #ifndef USDT2 |
| 0 | 3341 DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy); |
| 4006 | 3342 #else /* USDT2 */ |
| 3343 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | |
| 3344 env, string, (uintptr_t *) isCopy); | |
| 3345 #endif /* USDT2 */ | |
|
12819
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3346 char* result = NULL; |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1980
diff
changeset
|
3347 oop java_string = JNIHandles::resolve_non_null(string); |
|
12819
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3348 if (java_lang_String::value(java_string) != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3349 size_t length = java_lang_String::utf8_length(java_string); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3350 /* JNI Specification states return NULL on OOM */ |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3351 result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3352 if (result != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3353 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3354 if (isCopy != NULL) { |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3355 *isCopy = JNI_TRUE; |
|
f9be370a7d54
8025922: JNI access to Strings need to check if the value field is non-null
sla
parents:
12306
diff
changeset
|
3356 } |
|
12109
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3357 } |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3358 } |
| 4006 | 3359 #ifndef USDT2 |
| 0 | 3360 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 4006 | 3361 #else /* USDT2 */ |
| 3362 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | |
| 3363 result); | |
| 3364 #endif /* USDT2 */ | |
| 0 | 3365 return result; |
| 3366 JNI_END | |
| 3367 | |
| 3368 | |
| 3369 JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars)) | |
| 3370 JNIWrapper("ReleaseStringUTFChars"); | |
| 4006 | 3371 #ifndef USDT2 |
| 0 | 3372 DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars); |
| 4006 | 3373 #else /* USDT2 */ |
| 3374 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY( | |
| 3375 env, str, (char *) chars); | |
| 3376 #endif /* USDT2 */ | |
| 0 | 3377 if (chars != NULL) { |
| 3378 FreeHeap((char*) chars); | |
| 3379 } | |
| 4006 | 3380 #ifndef USDT2 |
| 0 | 3381 DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return); |
| 4006 | 3382 #else /* USDT2 */ |
| 3383 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN( | |
| 3384 ); | |
| 3385 #endif /* USDT2 */ | |
| 0 | 3386 JNI_END |
| 3387 | |
| 3388 | |
| 3389 JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array)) | |
| 3390 JNIWrapper("GetArrayLength"); | |
| 4006 | 3391 #ifndef USDT2 |
| 0 | 3392 DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array); |
| 4006 | 3393 #else /* USDT2 */ |
| 3394 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY( | |
| 3395 env, array); | |
| 3396 #endif /* USDT2 */ | |
| 0 | 3397 arrayOop a = arrayOop(JNIHandles::resolve_non_null(array)); |
| 3398 assert(a->is_array(), "must be array"); | |
| 3399 jsize ret = a->length(); | |
| 4006 | 3400 #ifndef USDT2 |
| 0 | 3401 DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret); |
| 4006 | 3402 #else /* USDT2 */ |
| 3403 HOTSPOT_JNI_GETARRAYLENGTH_RETURN( | |
| 3404 ret); | |
| 3405 #endif /* USDT2 */ | |
| 0 | 3406 return ret; |
| 3407 JNI_END | |
| 3408 | |
| 3409 | |
| 3410 // | |
| 3411 // Object Array Operations | |
| 3412 // | |
| 3413 | |
| 4006 | 3414 #ifndef USDT2 |
| 0 | 3415 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray); |
| 4006 | 3416 #else /* USDT2 */ |
| 3417 DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray | |
| 3418 , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref)); | |
| 3419 #endif /* USDT2 */ | |
| 0 | 3420 |
| 3421 JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement)) | |
| 3422 JNIWrapper("NewObjectArray"); | |
| 4006 | 3423 #ifndef USDT2 |
| 0 | 3424 DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement); |
| 4006 | 3425 #else /* USDT2 */ |
| 3426 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY( | |
| 3427 env, length, elementClass, initialElement); | |
| 3428 #endif /* USDT2 */ | |
| 0 | 3429 jobjectArray ret = NULL; |
| 3430 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
|
3431 KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass))); |
| 6983 | 3432 Klass* ako = ek()->array_klass(CHECK_NULL); |
| 0 | 3433 KlassHandle ak = KlassHandle(THREAD, ako); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3434 ObjArrayKlass::cast(ak())->initialize(CHECK_NULL); |
|
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3435 objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL); |
| 0 | 3436 oop initial_value = JNIHandles::resolve(initialElement); |
| 3437 if (initial_value != NULL) { // array already initialized with NULL | |
| 3438 for (int index = 0; index < length; index++) { | |
| 3439 result->obj_at_put(index, initial_value); | |
| 3440 } | |
| 3441 } | |
| 3442 ret = (jobjectArray) JNIHandles::make_local(env, result); | |
| 3443 return ret; | |
| 3444 JNI_END | |
| 3445 | |
| 4006 | 3446 #ifndef USDT2 |
| 0 | 3447 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject); |
| 4006 | 3448 #else /* USDT2 */ |
| 3449 DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject | |
| 3450 , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref)); | |
| 3451 #endif /* USDT2 */ | |
| 0 | 3452 |
| 3453 JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index)) | |
| 3454 JNIWrapper("GetObjectArrayElement"); | |
| 4006 | 3455 #ifndef USDT2 |
| 0 | 3456 DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index); |
| 4006 | 3457 #else /* USDT2 */ |
| 3458 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY( | |
| 3459 env, array, index); | |
| 3460 #endif /* USDT2 */ | |
| 0 | 3461 jobject ret = NULL; |
| 3462 DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret); | |
| 3463 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3464 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
|
3465 ret = JNIHandles::make_local(env, a->obj_at(index)); |
| 0 | 3466 return ret; |
| 3467 } else { | |
| 3468 char buf[jintAsStringSize]; | |
| 3469 sprintf(buf, "%d", index); | |
| 3470 THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3471 } | |
| 3472 JNI_END | |
| 3473 | |
| 4006 | 3474 #ifndef USDT2 |
| 0 | 3475 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement); |
| 4006 | 3476 #else /* USDT2 */ |
| 3477 DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement | |
| 3478 , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN()); | |
| 3479 #endif /* USDT2 */ | |
| 0 | 3480 |
| 3481 JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value)) | |
| 3482 JNIWrapper("SetObjectArrayElement"); | |
| 4006 | 3483 #ifndef USDT2 |
| 0 | 3484 DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value); |
| 4006 | 3485 #else /* USDT2 */ |
| 3486 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY( | |
| 3487 env, array, index, value); | |
| 3488 #endif /* USDT2 */ | |
| 0 | 3489 DT_VOID_RETURN_MARK(SetObjectArrayElement); |
| 3490 | |
| 3491 objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array)); | |
| 3492 oop v = JNIHandles::resolve(value); | |
| 3493 if (a->is_within_bounds(index)) { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3494 if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) { |
| 0 | 3495 a->obj_at_put(index, v); |
| 3496 } else { | |
| 3497 THROW(vmSymbols::java_lang_ArrayStoreException()); | |
| 3498 } | |
| 3499 } else { | |
| 3500 char buf[jintAsStringSize]; | |
| 3501 sprintf(buf, "%d", index); | |
| 3502 THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf); | |
| 3503 } | |
| 3504 JNI_END | |
| 3505 | |
| 3506 | |
| 4006 | 3507 #ifndef USDT2 |
| 0 | 3508 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \ |
| 3509 \ | |
| 4006 | 3510 DT_RETURN_MARK_DECL(New##Result##Array, Return); \ |
| 0 | 3511 \ |
| 3512 JNI_ENTRY(Return, \ | |
| 3513 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3514 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3515 DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\ | |
| 3516 Return ret = NULL;\ | |
|
1034
08780c8a9f04
6893483: DTrace probe return values for a couple JNI methods are wrong
kamg
parents:
973
diff
changeset
|
3517 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ |
| 0 | 3518 \ |
| 3519 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3520 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3521 return ret;\ | |
| 3522 JNI_END | |
| 3523 | |
| 3524 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean) | |
| 3525 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte) | |
| 3526 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short) | |
| 3527 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char) | |
| 3528 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int) | |
| 3529 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long) | |
| 3530 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float) | |
| 3531 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double) | |
| 3532 | |
| 4006 | 3533 #else /* USDT2 */ |
| 3534 | |
| 3535 #define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \ | |
| 3536 ,EntryProbe,ReturnProbe) \ | |
| 3537 \ | |
| 3538 DT_RETURN_MARK_DECL(New##Result##Array, Return \ | |
| 3539 , ReturnProbe); \ | |
| 3540 \ | |
| 3541 JNI_ENTRY(Return, \ | |
| 3542 jni_New##Result##Array(JNIEnv *env, jsize len)) \ | |
| 3543 JNIWrapper("New" XSTR(Result) "Array"); \ | |
| 3544 EntryProbe; \ | |
| 3545 Return ret = NULL;\ | |
| 3546 DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\ | |
| 3547 \ | |
| 3548 oop obj= oopFactory::Allocator(len, CHECK_0); \ | |
| 3549 ret = (Return) JNIHandles::make_local(env, obj); \ | |
| 3550 return ret;\ | |
| 3551 JNI_END | |
| 3552 | |
| 3553 DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray, Boolean, | |
| 3554 HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len), | |
| 3555 HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref)) | |
| 3556 DEFINE_NEWSCALARARRAY(jbyteArray, new_byteArray, Byte, | |
| 3557 HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len), | |
| 3558 HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref)) | |
| 3559 DEFINE_NEWSCALARARRAY(jshortArray, new_shortArray, Short, | |
| 3560 HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len), | |
| 3561 HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref)) | |
| 3562 DEFINE_NEWSCALARARRAY(jcharArray, new_charArray, Char, | |
| 3563 HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len), | |
| 3564 HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref)) | |
| 3565 DEFINE_NEWSCALARARRAY(jintArray, new_intArray, Int, | |
| 3566 HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len), | |
| 3567 HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref)) | |
| 3568 DEFINE_NEWSCALARARRAY(jlongArray, new_longArray, Long, | |
| 3569 HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len), | |
| 3570 HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref)) | |
| 3571 DEFINE_NEWSCALARARRAY(jfloatArray, new_singleArray, Float, | |
| 3572 HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len), | |
| 3573 HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref)) | |
| 3574 DEFINE_NEWSCALARARRAY(jdoubleArray, new_doubleArray, Double, | |
| 3575 HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len), | |
| 3576 HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref)) | |
| 3577 #endif /* USDT2 */ | |
| 0 | 3578 |
| 3579 // Return an address which will fault if the caller writes to it. | |
| 3580 | |
| 3581 static char* get_bad_address() { | |
| 3582 static char* bad_address = NULL; | |
| 3583 if (bad_address == NULL) { | |
| 3584 size_t size = os::vm_allocation_granularity(); | |
| 3585 bad_address = os::reserve_memory(size); | |
| 3586 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
|
3587 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
|
3588 /*is_committed*/false); |
| 0 | 3589 } |
| 3590 } | |
| 3591 return bad_address; | |
| 3592 } | |
| 3593 | |
| 3594 | |
| 4006 | 3595 #ifndef USDT2 |
| 0 | 3596 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \ |
| 3597 \ | |
| 3598 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3599 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3600 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3601 DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\ | |
| 3602 /* allocate an chunk of memory in c land */ \ | |
| 3603 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3604 ElementType* result; \ | |
| 3605 int len = a->length(); \ | |
| 3606 if (len == 0) { \ | |
| 3607 /* Empty array: legal but useless, can't return NULL. \ | |
| 3608 * Return a pointer to something useless. \ | |
| 3609 * Avoid asserts in typeArrayOop. */ \ | |
| 3610 result = (ElementType*)get_bad_address(); \ | |
| 3611 } else { \ | |
|
12109
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3612 /* JNI Specification states return NULL on OOM */ \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3613 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3614 if (result != NULL) { \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3615 /* copy the array to the c chunk */ \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3616 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3617 if (isCopy) { \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3618 *isCopy = JNI_TRUE; \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3619 } \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3620 } \ |
| 0 | 3621 } \ |
| 3622 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | |
| 3623 return result; \ | |
| 3624 JNI_END | |
| 3625 | |
| 3626 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3627 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3628 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3629 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3630 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3631 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3632 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3633 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3634 | |
| 4006 | 3635 #else /* USDT2 */ |
| 3636 | |
| 3637 #define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \ | |
| 3638 , EntryProbe, ReturnProbe) \ | |
| 3639 \ | |
| 3640 JNI_QUICK_ENTRY(ElementType*, \ | |
| 3641 jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \ | |
| 3642 JNIWrapper("Get" XSTR(Result) "ArrayElements"); \ | |
| 3643 EntryProbe; \ | |
| 3644 /* allocate an chunk of memory in c land */ \ | |
| 3645 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3646 ElementType* result; \ | |
| 3647 int len = a->length(); \ | |
| 3648 if (len == 0) { \ | |
| 3649 /* Empty array: legal but useless, can't return NULL. \ | |
| 3650 * Return a pointer to something useless. \ | |
| 3651 * Avoid asserts in typeArrayOop. */ \ | |
| 3652 result = (ElementType*)get_bad_address(); \ | |
| 3653 } else { \ | |
|
12109
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3654 /* JNI Specification states return NULL on OOM */ \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3655 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3656 if (result != NULL) { \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3657 /* copy the array to the c chunk */ \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3658 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3659 if (isCopy) { \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3660 *isCopy = JNI_TRUE; \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3661 } \ |
|
faf2631b9334
8022683: JNI GetStringUTFChars should return NULL on allocation failure not abort the VM
dsimms
parents:
11092
diff
changeset
|
3662 } \ |
| 4006 | 3663 } \ |
| 3664 ReturnProbe; \ | |
| 3665 return result; \ | |
| 3666 JNI_END | |
| 3667 | |
| 3668 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3669 , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3670 HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result)) | |
| 3671 DEFINE_GETSCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3672 , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3673 HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result)) | |
| 3674 DEFINE_GETSCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3675 , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3676 HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result)) | |
| 3677 DEFINE_GETSCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3678 , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy), | |
| 3679 HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result)) | |
| 3680 DEFINE_GETSCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3681 , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3682 HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result)) | |
| 3683 DEFINE_GETSCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3684 , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3685 HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result))) | |
| 3686 // Float and double probes don't return value because dtrace doesn't currently support it | |
| 3687 DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3688 , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3689 HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result)) | |
| 3690 DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3691 , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy), | |
| 3692 HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result)) | |
| 3693 #endif /* USDT2 */ | |
| 3694 | |
| 3695 #ifndef USDT2 | |
| 0 | 3696 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \ |
| 3697 \ | |
| 3698 JNI_QUICK_ENTRY(void, \ | |
| 3699 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3700 ElementType *buf, jint mode)) \ | |
| 3701 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3702 DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\ | |
| 3703 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3704 int len = a->length(); \ | |
| 3705 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3706 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3707 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3708 } \ | |
| 3709 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3710 FreeHeap(buf); \ | |
| 3711 } \ | |
| 3712 } \ | |
| 3713 DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\ | |
| 3714 JNI_END | |
| 3715 | |
| 3716 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3717 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte) | |
| 3718 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short) | |
| 3719 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char) | |
| 3720 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int) | |
| 3721 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long) | |
| 3722 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float) | |
| 3723 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double) | |
| 3724 | |
| 4006 | 3725 #else /* USDT2 */ |
| 3726 | |
| 3727 #define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \ | |
| 3728 , EntryProbe, ReturnProbe);\ | |
| 3729 \ | |
| 3730 JNI_QUICK_ENTRY(void, \ | |
| 3731 jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \ | |
| 3732 ElementType *buf, jint mode)) \ | |
| 3733 JNIWrapper("Release" XSTR(Result) "ArrayElements"); \ | |
| 3734 EntryProbe; \ | |
| 3735 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3736 int len = a->length(); \ | |
| 3737 if (len != 0) { /* Empty array: nothing to free or copy. */ \ | |
| 3738 if ((mode == 0) || (mode == JNI_COMMIT)) { \ | |
| 3739 memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \ | |
| 3740 } \ | |
| 3741 if ((mode == 0) || (mode == JNI_ABORT)) { \ | |
| 3742 FreeHeap(buf); \ | |
| 3743 } \ | |
| 3744 } \ | |
| 3745 ReturnProbe; \ | |
| 3746 JNI_END | |
| 3747 | |
| 3748 DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | |
| 3749 , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3750 HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN()) | |
| 3751 DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE, jbyte, Byte, byte | |
| 3752 , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode), | |
| 3753 HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN()) | |
| 3754 DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT, jshort, Short, short | |
| 3755 , HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3756 HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN()) | |
| 3757 DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR, jchar, Char, char | |
| 3758 , HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode), | |
| 3759 HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN()) | |
| 3760 DEFINE_RELEASESCALARARRAYELEMENTS(T_INT, jint, Int, int | |
| 3761 , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode), | |
| 3762 HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN()) | |
| 3763 DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG, jlong, Long, long | |
| 3764 , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode), | |
| 3765 HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN()) | |
| 3766 DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT, jfloat, Float, float | |
| 3767 , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode), | |
| 3768 HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN()) | |
| 3769 DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE, jdouble, Double, double | |
| 3770 , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode), | |
| 3771 HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN()) | |
| 3772 #endif /* USDT2 */ | |
| 3773 | |
| 3774 #ifndef USDT2 | |
| 0 | 3775 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3776 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\ | |
| 3777 \ | |
| 3778 JNI_ENTRY(void, \ | |
| 3779 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3780 jsize len, ElementType *buf)) \ | |
| 3781 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3782 DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3783 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3784 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3785 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3786 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3787 } else { \ | |
| 3788 if (len > 0) { \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3789 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 0 | 3790 memcpy((u_char*) buf, \ |
| 3791 (u_char*) src->Tag##_at_addr(start), \ | |
| 3792 len << sc); \ | |
| 3793 } \ | |
| 3794 } \ | |
| 3795 JNI_END | |
| 3796 | |
| 3797 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool) | |
| 3798 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3799 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3800 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3801 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3802 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3803 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3804 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3805 | |
| 4006 | 3806 #else /* USDT2 */ |
| 3807 | |
| 3808 #define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3809 , EntryProbe, ReturnProbe); \ | |
| 3810 DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \ | |
| 3811 , ReturnProbe); \ | |
| 3812 \ | |
| 3813 JNI_ENTRY(void, \ | |
| 3814 jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3815 jsize len, ElementType *buf)) \ | |
| 3816 JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \ | |
| 3817 EntryProbe; \ | |
| 3818 DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \ | |
| 3819 typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3820 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \ | |
| 3821 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3822 } else { \ | |
| 3823 if (len > 0) { \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3824 int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \ |
| 4006 | 3825 memcpy((u_char*) buf, \ |
| 3826 (u_char*) src->Tag##_at_addr(start), \ | |
| 3827 len << sc); \ | |
| 3828 } \ | |
| 3829 } \ | |
| 3830 JNI_END | |
| 3831 | |
| 3832 DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool | |
| 3833 , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3834 HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN()); | |
| 3835 DEFINE_GETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3836 , HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3837 HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN()); | |
| 3838 DEFINE_GETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3839 , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3840 HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN()); | |
| 3841 DEFINE_GETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3842 , HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf), | |
| 3843 HOTSPOT_JNI_GETCHARARRAYREGION_RETURN()); | |
| 3844 DEFINE_GETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3845 , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf), | |
| 3846 HOTSPOT_JNI_GETINTARRAYREGION_RETURN()); | |
| 3847 DEFINE_GETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3848 , HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3849 HOTSPOT_JNI_GETLONGARRAYREGION_RETURN()); | |
| 3850 DEFINE_GETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3851 , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3852 HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN()); | |
| 3853 DEFINE_GETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3854 , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3855 HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN()); | |
| 3856 #endif /* USDT2 */ | |
| 3857 | |
| 3858 #ifndef USDT2 | |
| 0 | 3859 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \ |
| 3860 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\ | |
| 3861 \ | |
| 3862 JNI_ENTRY(void, \ | |
| 3863 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3864 jsize len, const ElementType *buf)) \ | |
| 3865 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3866 DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\ | |
| 3867 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3868 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3869 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3870 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3871 } else { \ | |
| 3872 if (len > 0) { \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3873 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 0 | 3874 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3875 (u_char*) buf, \ | |
| 3876 len << sc); \ | |
| 3877 } \ | |
| 3878 } \ | |
| 3879 JNI_END | |
| 3880 | |
| 3881 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool) | |
| 3882 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte) | |
| 3883 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short) | |
| 3884 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char) | |
| 3885 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int) | |
| 3886 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long) | |
| 3887 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float) | |
| 3888 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double) | |
| 3889 | |
| 4006 | 3890 #else /* USDT2 */ |
| 3891 | |
| 3892 #define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \ | |
| 3893 , EntryProbe, ReturnProbe); \ | |
| 3894 DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \ | |
| 3895 ,ReturnProbe); \ | |
| 3896 \ | |
| 3897 JNI_ENTRY(void, \ | |
| 3898 jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \ | |
| 3899 jsize len, const ElementType *buf)) \ | |
| 3900 JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \ | |
| 3901 EntryProbe; \ | |
| 3902 DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \ | |
| 3903 typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 3904 if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \ | |
| 3905 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \ | |
| 3906 } else { \ | |
| 3907 if (len > 0) { \ | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
3908 int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \ |
| 4006 | 3909 memcpy((u_char*) dst->Tag##_at_addr(start), \ |
| 3910 (u_char*) buf, \ | |
| 3911 len << sc); \ | |
| 3912 } \ | |
| 3913 } \ | |
| 3914 JNI_END | |
| 3915 | |
| 3916 DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool | |
| 3917 , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf), | |
| 3918 HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN()) | |
| 3919 DEFINE_SETSCALARARRAYREGION(T_BYTE, jbyte, Byte, byte | |
| 3920 , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf), | |
| 3921 HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN()) | |
| 3922 DEFINE_SETSCALARARRAYREGION(T_SHORT, jshort, Short, short | |
| 3923 , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3924 HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN()) | |
| 3925 DEFINE_SETSCALARARRAYREGION(T_CHAR, jchar, Char, char | |
| 3926 , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf), | |
| 3927 HOTSPOT_JNI_SETCHARARRAYREGION_RETURN()) | |
| 3928 DEFINE_SETSCALARARRAYREGION(T_INT, jint, Int, int | |
| 3929 , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf), | |
| 3930 HOTSPOT_JNI_SETINTARRAYREGION_RETURN()) | |
| 3931 DEFINE_SETSCALARARRAYREGION(T_LONG, jlong, Long, long | |
| 3932 , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf), | |
| 3933 HOTSPOT_JNI_SETLONGARRAYREGION_RETURN()) | |
| 3934 DEFINE_SETSCALARARRAYREGION(T_FLOAT, jfloat, Float, float | |
| 3935 , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf), | |
| 3936 HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN()) | |
| 3937 DEFINE_SETSCALARARRAYREGION(T_DOUBLE, jdouble, Double, double | |
| 3938 , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf), | |
| 3939 HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN()) | |
| 3940 #endif /* USDT2 */ | |
| 3941 | |
| 0 | 3942 |
| 3943 // | |
| 3944 // Interception of natives | |
| 3945 // | |
| 3946 | |
| 3947 // The RegisterNatives call being attempted tried to register with a method that | |
| 3948 // is not native. Ask JVM TI what prefixes have been specified. Then check | |
| 3949 // to see if the native method is now wrapped with the prefixes. See the | |
| 3950 // 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
|
3951 static Method* find_prefixed_native(KlassHandle k, |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3952 Symbol* name, Symbol* signature, TRAPS) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3953 #if INCLUDE_JVMTI |
| 0 | 3954 ResourceMark rm(THREAD); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
3955 Method* method; |
| 0 | 3956 int name_len = name->utf8_length(); |
| 3957 char* name_str = name->as_utf8(); | |
| 3958 int prefix_count; | |
| 3959 char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count); | |
| 3960 for (int i = 0; i < prefix_count; i++) { | |
| 3961 char* prefix = prefixes[i]; | |
| 3962 int prefix_len = (int)strlen(prefix); | |
| 3963 | |
| 3964 // try adding this prefix to the method name and see if it matches another method name | |
| 3965 int trial_len = name_len + prefix_len; | |
| 3966 char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1); | |
| 3967 strcpy(trial_name_str, prefix); | |
| 3968 strcat(trial_name_str, name_str); | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3969 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
|
3970 if (trial_name == NULL) { |
| 0 | 3971 continue; // no such symbol, so this prefix wasn't used, try the next prefix |
| 3972 } | |
| 6983 | 3973 method = k()->lookup_method(trial_name, signature); |
| 0 | 3974 if (method == NULL) { |
| 3975 continue; // signature doesn't match, try the next prefix | |
| 3976 } | |
| 3977 if (method->is_native()) { | |
| 3978 method->set_is_prefixed_native(); | |
| 3979 return method; // wahoo, we found a prefixed version of the method, return it | |
| 3980 } | |
| 3981 // found as non-native, so prefix is good, add it, probably just need more prefixes | |
| 3982 name_len = trial_len; | |
| 3983 name_str = trial_name_str; | |
| 3984 } | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
3985 #endif // INCLUDE_JVMTI |
| 0 | 3986 return NULL; // not found |
| 3987 } | |
| 3988 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
3989 static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) { |
| 6983 | 3990 Method* method = k()->lookup_method(name, signature); |
| 0 | 3991 if (method == NULL) { |
| 3992 ResourceMark rm; | |
| 3993 stringStream st; | |
| 3994 st.print("Method %s name or signature does not match", | |
| 6983 | 3995 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 3996 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 3997 } | |
| 3998 if (!method->is_native()) { | |
| 3999 // trying to register to a non-native method, see if a JVM TI agent has added prefix(es) | |
| 4000 method = find_prefixed_native(k, name, signature, THREAD); | |
| 4001 if (method == NULL) { | |
| 4002 ResourceMark rm; | |
| 4003 stringStream st; | |
| 4004 st.print("Method %s is not declared as native", | |
| 6983 | 4005 Method::name_and_sig_as_C_string(k(), name, signature)); |
| 0 | 4006 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false); |
| 4007 } | |
| 4008 } | |
| 4009 | |
| 4010 if (entry != NULL) { | |
| 4011 method->set_native_function(entry, | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4012 Method::native_bind_event_is_interesting); |
| 0 | 4013 } else { |
| 4014 method->clear_native_function(); | |
| 4015 } | |
| 4016 if (PrintJNIResolving) { | |
| 4017 ResourceMark rm(THREAD); | |
| 4018 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
|
4019 method->method_holder()->external_name(), |
| 0 | 4020 method->name()->as_C_string()); |
| 4021 } | |
| 4022 return true; | |
| 4023 } | |
| 4024 | |
| 4006 | 4025 #ifndef USDT2 |
| 0 | 4026 DT_RETURN_MARK_DECL(RegisterNatives, jint); |
| 4006 | 4027 #else /* USDT2 */ |
| 4028 DT_RETURN_MARK_DECL(RegisterNatives, jint | |
| 4029 , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref)); | |
| 4030 #endif /* USDT2 */ | |
| 0 | 4031 |
| 4032 JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz, | |
| 4033 const JNINativeMethod *methods, | |
| 4034 jint nMethods)) | |
| 4035 JNIWrapper("RegisterNatives"); | |
| 4006 | 4036 #ifndef USDT2 |
| 0 | 4037 DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods); |
| 4006 | 4038 #else /* USDT2 */ |
| 4039 HOTSPOT_JNI_REGISTERNATIVES_ENTRY( | |
| 4040 env, clazz, (void *) methods, nMethods); | |
| 4041 #endif /* USDT2 */ | |
| 0 | 4042 jint ret = 0; |
| 4043 DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret); | |
| 4044 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4045 KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
| 0 | 4046 |
| 4047 for (int index = 0; index < nMethods; index++) { | |
| 4048 const char* meth_name = methods[index].name; | |
| 4049 const char* meth_sig = methods[index].signature; | |
| 4050 int meth_name_len = (int)strlen(meth_name); | |
| 4051 | |
| 4052 // The class should have been loaded (we have an instance of the class | |
| 4053 // passed in) so the method and signature should already be in the symbol | |
| 4054 // 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
|
4055 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
|
4056 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
|
4057 |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4058 if (name == NULL || signature == NULL) { |
| 0 | 4059 ResourceMark rm; |
| 4060 stringStream st; | |
| 6983 | 4061 st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig); |
| 0 | 4062 // Must return negative value on failure |
| 4063 THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1); | |
| 4064 } | |
| 4065 | |
| 4066 bool res = register_native(h_k, name, signature, | |
| 4067 (address) methods[index].fnPtr, THREAD); | |
| 4068 if (!res) { | |
| 4069 ret = -1; | |
| 4070 break; | |
| 4071 } | |
| 4072 } | |
| 4073 return ret; | |
| 4074 JNI_END | |
| 4075 | |
| 4076 | |
| 4077 JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz)) | |
| 4078 JNIWrapper("UnregisterNatives"); | |
| 4006 | 4079 #ifndef USDT2 |
| 0 | 4080 DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz); |
| 4006 | 4081 #else /* USDT2 */ |
| 4082 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY( | |
| 4083 env, clazz); | |
| 4084 #endif /* USDT2 */ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4085 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)); |
| 0 | 4086 //%note jni_2 |
| 6983 | 4087 if (k->oop_is_instance()) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4088 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
|
4089 Method* m = InstanceKlass::cast(k)->methods()->at(index); |
| 0 | 4090 if (m->is_native()) { |
| 4091 m->clear_native_function(); | |
| 4092 m->set_signature_handler(NULL); | |
| 4093 } | |
| 4094 } | |
| 4095 } | |
| 4006 | 4096 #ifndef USDT2 |
| 0 | 4097 DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0); |
| 4006 | 4098 #else /* USDT2 */ |
| 4099 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN( | |
| 4100 0); | |
| 4101 #endif /* USDT2 */ | |
| 0 | 4102 return 0; |
| 4103 JNI_END | |
| 4104 | |
| 4105 // | |
| 4106 // Monitor functions | |
| 4107 // | |
| 4108 | |
| 4006 | 4109 #ifndef USDT2 |
| 0 | 4110 DT_RETURN_MARK_DECL(MonitorEnter, jint); |
| 4006 | 4111 #else /* USDT2 */ |
| 4112 DT_RETURN_MARK_DECL(MonitorEnter, jint | |
| 4113 , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref)); | |
| 4114 #endif /* USDT2 */ | |
| 0 | 4115 |
| 4116 JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj)) | |
| 4006 | 4117 #ifndef USDT2 |
| 0 | 4118 DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj); |
| 4006 | 4119 #else /* USDT2 */ |
| 4120 HOTSPOT_JNI_MONITORENTER_ENTRY( | |
| 4121 env, jobj); | |
| 4122 #endif /* USDT2 */ | |
| 0 | 4123 jint ret = JNI_ERR; |
| 4124 DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret); | |
| 4125 | |
| 4126 // If the object is null, we can't do anything with it | |
| 4127 if (jobj == NULL) { | |
| 4128 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4129 } | |
| 4130 | |
| 4131 Handle obj(thread, JNIHandles::resolve_non_null(jobj)); | |
| 4132 ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR)); | |
| 4133 ret = JNI_OK; | |
| 4134 return ret; | |
| 4135 JNI_END | |
| 4136 | |
| 4006 | 4137 #ifndef USDT2 |
| 0 | 4138 DT_RETURN_MARK_DECL(MonitorExit, jint); |
| 4006 | 4139 #else /* USDT2 */ |
| 4140 DT_RETURN_MARK_DECL(MonitorExit, jint | |
| 4141 , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref)); | |
| 4142 #endif /* USDT2 */ | |
| 0 | 4143 |
| 4144 JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj)) | |
| 4006 | 4145 #ifndef USDT2 |
| 0 | 4146 DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj); |
| 4006 | 4147 #else /* USDT2 */ |
| 4148 HOTSPOT_JNI_MONITOREXIT_ENTRY( | |
| 4149 env, jobj); | |
| 4150 #endif /* USDT2 */ | |
| 0 | 4151 jint ret = JNI_ERR; |
| 4152 DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret); | |
| 4153 | |
| 4154 // Don't do anything with a null object | |
| 4155 if (jobj == NULL) { | |
| 4156 THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR); | |
| 4157 } | |
| 4158 | |
| 4159 Handle obj(THREAD, JNIHandles::resolve_non_null(jobj)); | |
| 4160 ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR)); | |
| 4161 | |
| 4162 ret = JNI_OK; | |
| 4163 return ret; | |
| 4164 JNI_END | |
| 4165 | |
| 4166 // | |
| 4167 // Extensions | |
| 4168 // | |
| 4169 | |
| 4006 | 4170 #ifndef USDT2 |
| 0 | 4171 DT_VOID_RETURN_MARK_DECL(GetStringRegion); |
| 4006 | 4172 #else /* USDT2 */ |
| 4173 DT_VOID_RETURN_MARK_DECL(GetStringRegion | |
| 4174 , HOTSPOT_JNI_GETSTRINGREGION_RETURN()); | |
| 4175 #endif /* USDT2 */ | |
| 0 | 4176 |
| 4177 JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf)) | |
| 4178 JNIWrapper("GetStringRegion"); | |
| 4006 | 4179 #ifndef USDT2 |
| 0 | 4180 DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf); |
| 4006 | 4181 #else /* USDT2 */ |
| 4182 HOTSPOT_JNI_GETSTRINGREGION_ENTRY( | |
| 4183 env, string, start, len, buf); | |
| 4184 #endif /* USDT2 */ | |
| 0 | 4185 DT_VOID_RETURN_MARK(GetStringRegion); |
| 4186 oop s = JNIHandles::resolve_non_null(string); | |
| 4187 int s_len = java_lang_String::length(s); | |
| 4188 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4189 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4190 } else { | |
| 4191 if (len > 0) { | |
| 4192 int s_offset = java_lang_String::offset(s); | |
| 4193 typeArrayOop s_value = java_lang_String::value(s); | |
| 4194 memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len); | |
| 4195 } | |
| 4196 } | |
| 4197 JNI_END | |
| 4198 | |
| 4006 | 4199 #ifndef USDT2 |
| 0 | 4200 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion); |
| 4006 | 4201 #else /* USDT2 */ |
| 4202 DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion | |
| 4203 , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN()); | |
| 4204 #endif /* USDT2 */ | |
| 0 | 4205 |
| 4206 JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf)) | |
| 4207 JNIWrapper("GetStringUTFRegion"); | |
| 4006 | 4208 #ifndef USDT2 |
| 0 | 4209 DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf); |
| 4006 | 4210 #else /* USDT2 */ |
| 4211 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY( | |
| 4212 env, string, start, len, buf); | |
| 4213 #endif /* USDT2 */ | |
| 0 | 4214 DT_VOID_RETURN_MARK(GetStringUTFRegion); |
| 4215 oop s = JNIHandles::resolve_non_null(string); | |
| 4216 int s_len = java_lang_String::length(s); | |
| 4217 if (start < 0 || len < 0 || start + len > s_len) { | |
| 4218 THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException()); | |
| 4219 } else { | |
| 4220 //%note jni_7 | |
| 4221 if (len > 0) { | |
| 4222 ResourceMark rm(THREAD); | |
| 4223 char *utf_region = java_lang_String::as_utf8_string(s, start, len); | |
| 4224 int utf_len = (int)strlen(utf_region); | |
| 4225 memcpy(buf, utf_region, utf_len); | |
| 4226 buf[utf_len] = 0; | |
| 4227 } else { | |
| 4228 // JDK null-terminates the buffer even in len is zero | |
| 4229 if (buf != NULL) { | |
| 4230 buf[0] = 0; | |
| 4231 } | |
| 4232 } | |
| 4233 } | |
| 4234 JNI_END | |
| 4235 | |
| 4236 | |
| 4237 JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy)) | |
| 4238 JNIWrapper("GetPrimitiveArrayCritical"); | |
| 4006 | 4239 #ifndef USDT2 |
| 0 | 4240 DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy); |
| 4006 | 4241 #else /* USDT2 */ |
| 4242 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4243 env, array, (uintptr_t *) isCopy); | |
| 4244 #endif /* USDT2 */ | |
| 0 | 4245 GC_locker::lock_critical(thread); |
| 4246 if (isCopy != NULL) { | |
| 4247 *isCopy = JNI_FALSE; | |
| 4248 } | |
| 4249 oop a = JNIHandles::resolve_non_null(array); | |
| 4250 assert(a->is_array(), "just checking"); | |
| 4251 BasicType type; | |
| 4252 if (a->is_objArray()) { | |
| 4253 type = T_OBJECT; | |
| 4254 } else { | |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
4255 type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 0 | 4256 } |
| 4257 void* ret = arrayOop(a)->base(type); | |
| 4006 | 4258 #ifndef USDT2 |
| 0 | 4259 DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret); |
| 4006 | 4260 #else /* USDT2 */ |
| 4261 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4262 ret); | |
| 4263 #endif /* USDT2 */ | |
| 0 | 4264 return ret; |
| 4265 JNI_END | |
| 4266 | |
| 4267 | |
| 4268 JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode)) | |
| 4269 JNIWrapper("ReleasePrimitiveArrayCritical"); | |
| 4006 | 4270 #ifndef USDT2 |
| 0 | 4271 DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode); |
| 4006 | 4272 #else /* USDT2 */ |
| 4273 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY( | |
| 4274 env, array, carray, mode); | |
| 4275 #endif /* USDT2 */ | |
| 0 | 4276 // The array, carray and mode arguments are ignored |
| 4277 GC_locker::unlock_critical(thread); | |
| 4006 | 4278 #ifndef USDT2 |
| 0 | 4279 DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return); |
| 4006 | 4280 #else /* USDT2 */ |
| 4281 HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN( | |
| 4282 ); | |
| 4283 #endif /* USDT2 */ | |
| 0 | 4284 JNI_END |
| 4285 | |
| 4286 | |
| 4287 JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy)) | |
| 4288 JNIWrapper("GetStringCritical"); | |
| 4006 | 4289 #ifndef USDT2 |
| 0 | 4290 DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy); |
| 4006 | 4291 #else /* USDT2 */ |
| 4292 HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY( | |
| 4293 env, string, (uintptr_t *) isCopy); | |
| 4294 #endif /* USDT2 */ | |
| 0 | 4295 GC_locker::lock_critical(thread); |
| 4296 if (isCopy != NULL) { | |
| 4297 *isCopy = JNI_FALSE; | |
| 4298 } | |
| 4299 oop s = JNIHandles::resolve_non_null(string); | |
| 4300 int s_len = java_lang_String::length(s); | |
| 4301 typeArrayOop s_value = java_lang_String::value(s); | |
| 4302 int s_offset = java_lang_String::offset(s); | |
| 4303 const jchar* ret; | |
| 4304 if (s_len > 0) { | |
| 4305 ret = s_value->char_at_addr(s_offset); | |
| 4306 } else { | |
| 4307 ret = (jchar*) s_value->base(T_CHAR); | |
| 4308 } | |
| 4006 | 4309 #ifndef USDT2 |
| 0 | 4310 DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret); |
| 4006 | 4311 #else /* USDT2 */ |
| 4312 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN( | |
| 4313 (uint16_t *) ret); | |
| 4314 #endif /* USDT2 */ | |
| 0 | 4315 return ret; |
| 4316 JNI_END | |
| 4317 | |
| 4318 | |
| 4319 JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars)) | |
| 4320 JNIWrapper("ReleaseStringCritical"); | |
| 4006 | 4321 #ifndef USDT2 |
| 0 | 4322 DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars); |
| 4006 | 4323 #else /* USDT2 */ |
| 4324 HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY( | |
| 4325 env, str, (uint16_t *) chars); | |
| 4326 #endif /* USDT2 */ | |
| 0 | 4327 // The str and chars arguments are ignored |
| 4328 GC_locker::unlock_critical(thread); | |
| 4006 | 4329 #ifndef USDT2 |
| 0 | 4330 DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return); |
| 4006 | 4331 #else /* USDT2 */ |
| 4332 HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN( | |
| 4333 ); | |
| 4334 #endif /* USDT2 */ | |
| 0 | 4335 JNI_END |
| 4336 | |
| 4337 | |
| 4338 JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref)) | |
| 4339 JNIWrapper("jni_NewWeakGlobalRef"); | |
| 4006 | 4340 #ifndef USDT2 |
| 0 | 4341 DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref); |
| 4006 | 4342 #else /* USDT2 */ |
| 4343 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY( | |
| 4344 env, ref); | |
| 4345 #endif /* USDT2 */ | |
| 0 | 4346 Handle ref_handle(thread, JNIHandles::resolve(ref)); |
| 4347 jweak ret = JNIHandles::make_weak_global(ref_handle); | |
| 4006 | 4348 #ifndef USDT2 |
| 0 | 4349 DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret); |
| 4006 | 4350 #else /* USDT2 */ |
| 4351 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN( | |
| 4352 ret); | |
| 4353 #endif /* USDT2 */ | |
| 0 | 4354 return ret; |
| 4355 JNI_END | |
| 4356 | |
| 4357 // Must be JNI_ENTRY (with HandleMark) | |
| 4358 JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref)) | |
| 4359 JNIWrapper("jni_DeleteWeakGlobalRef"); | |
| 4006 | 4360 #ifndef USDT2 |
| 0 | 4361 DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref); |
| 4006 | 4362 #else /* USDT2 */ |
| 4363 HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY( | |
| 4364 env, ref); | |
| 4365 #endif /* USDT2 */ | |
| 0 | 4366 JNIHandles::destroy_weak_global(ref); |
| 4006 | 4367 #ifndef USDT2 |
| 0 | 4368 DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return); |
| 4006 | 4369 #else /* USDT2 */ |
| 4370 HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN( | |
| 4371 ); | |
| 4372 #endif /* USDT2 */ | |
| 0 | 4373 JNI_END |
| 4374 | |
| 4375 | |
| 4376 JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env)) | |
| 4377 JNIWrapper("jni_ExceptionCheck"); | |
| 4006 | 4378 #ifndef USDT2 |
| 0 | 4379 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env); |
| 4006 | 4380 #else /* USDT2 */ |
| 4381 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY( | |
| 4382 env); | |
| 4383 #endif /* USDT2 */ | |
| 0 | 4384 jni_check_async_exceptions(thread); |
| 4385 jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE; | |
| 4006 | 4386 #ifndef USDT2 |
| 0 | 4387 DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret); |
| 4006 | 4388 #else /* USDT2 */ |
| 4389 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN( | |
| 4390 ret); | |
| 4391 #endif /* USDT2 */ | |
| 0 | 4392 return ret; |
| 4393 JNI_END | |
| 4394 | |
| 4395 | |
| 4396 // Initialization state for three routines below relating to | |
| 4397 // java.nio.DirectBuffers | |
| 4398 static jint directBufferSupportInitializeStarted = 0; | |
| 4399 static volatile jint directBufferSupportInitializeEnded = 0; | |
| 4400 static volatile jint directBufferSupportInitializeFailed = 0; | |
| 4401 static jclass bufferClass = NULL; | |
| 4402 static jclass directBufferClass = NULL; | |
| 4403 static jclass directByteBufferClass = NULL; | |
| 4404 static jmethodID directByteBufferConstructor = NULL; | |
| 4405 static jfieldID directBufferAddressField = NULL; | |
| 4406 static jfieldID bufferCapacityField = NULL; | |
| 4407 | |
| 4408 static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) { | |
| 4409 Handle loader; // null (bootstrap) loader | |
| 4410 Handle protection_domain; // null protection domain | |
| 4411 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1989
diff
changeset
|
4412 TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL); |
|
657
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4413 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
|
4414 |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4415 if (TraceClassResolution && result != NULL) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
4416 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
|
4417 } |
|
715dceaa89b7
6603316: Improve instrumentation for classes loaded at startup
acorn
parents:
579
diff
changeset
|
4418 return result; |
| 0 | 4419 } |
| 4420 | |
| 4421 // These lookups are done with the NULL (bootstrap) ClassLoader to | |
| 4422 // circumvent any security checks that would be done by jni_FindClass. | |
| 4423 JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env)) | |
| 4424 { | |
| 4425 if ((bufferClass = lookupOne(env, "java/nio/Buffer", thread)) == NULL) { return false; } | |
| 4426 if ((directBufferClass = lookupOne(env, "sun/nio/ch/DirectBuffer", thread)) == NULL) { return false; } | |
| 4427 if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; } | |
| 4428 return true; | |
| 4429 } | |
| 4430 JNI_END | |
| 4431 | |
| 4432 | |
| 4433 static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) { | |
| 4434 if (directBufferSupportInitializeFailed) { | |
| 4435 return false; | |
| 4436 } | |
| 4437 | |
| 4438 if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) { | |
| 4439 if (!lookupDirectBufferClasses(env)) { | |
| 4440 directBufferSupportInitializeFailed = 1; | |
| 4441 return false; | |
| 4442 } | |
| 4443 | |
| 4444 // Make global references for these | |
| 4445 bufferClass = (jclass) env->NewGlobalRef(bufferClass); | |
| 4446 directBufferClass = (jclass) env->NewGlobalRef(directBufferClass); | |
| 4447 directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass); | |
| 4448 | |
| 4449 // Get needed field and method IDs | |
| 4450 directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V"); | |
| 4451 directBufferAddressField = env->GetFieldID(bufferClass, "address", "J"); | |
| 4452 bufferCapacityField = env->GetFieldID(bufferClass, "capacity", "I"); | |
| 4453 | |
| 4454 if ((directByteBufferConstructor == NULL) || | |
| 4455 (directBufferAddressField == NULL) || | |
| 4456 (bufferCapacityField == NULL)) { | |
| 4457 directBufferSupportInitializeFailed = 1; | |
| 4458 return false; | |
| 4459 } | |
| 4460 | |
| 4461 directBufferSupportInitializeEnded = 1; | |
| 4462 } else { | |
| 4463 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
|
4464 // 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
|
4465 // 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
|
4466 // 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
|
4467 // 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
|
4468 // 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
|
4469 ThreadInVMfromNative tivn(thread); |
| 0 | 4470 os::yield_all(); |
| 4471 } | |
| 4472 } | |
| 4473 | |
| 4474 return !directBufferSupportInitializeFailed; | |
| 4475 } | |
| 4476 | |
| 4477 extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity) | |
| 4478 { | |
| 4479 // thread_from_jni_environment() will block if VM is gone. | |
| 4480 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4481 | |
| 4482 JNIWrapper("jni_NewDirectByteBuffer"); | |
| 4006 | 4483 #ifndef USDT2 |
| 0 | 4484 DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity); |
| 4006 | 4485 #else /* USDT2 */ |
| 4486 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY( | |
| 4487 env, address, capacity); | |
| 4488 #endif /* USDT2 */ | |
| 0 | 4489 |
| 4490 if (!directBufferSupportInitializeEnded) { | |
| 4491 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4006 | 4492 #ifndef USDT2 |
| 0 | 4493 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL); |
| 4006 | 4494 #else /* USDT2 */ |
| 4495 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4496 NULL); | |
| 4497 #endif /* USDT2 */ | |
| 0 | 4498 return NULL; |
| 4499 } | |
| 4500 } | |
| 4501 | |
| 4502 // Being paranoid about accidental sign extension on address | |
| 4503 jlong addr = (jlong) ((uintptr_t) address); | |
| 4504 // NOTE that package-private DirectByteBuffer constructor currently | |
| 4505 // takes int capacity | |
| 4506 jint cap = (jint) capacity; | |
| 4507 jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap); | |
| 4006 | 4508 #ifndef USDT2 |
| 0 | 4509 DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret); |
| 4006 | 4510 #else /* USDT2 */ |
| 4511 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN( | |
| 4512 ret); | |
| 4513 #endif /* USDT2 */ | |
| 0 | 4514 return ret; |
| 4515 } | |
| 4516 | |
| 4006 | 4517 #ifndef USDT2 |
| 0 | 4518 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*); |
| 4006 | 4519 #else /* USDT2 */ |
| 4520 DT_RETURN_MARK_DECL(GetDirectBufferAddress, void* | |
| 4521 , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref)); | |
| 4522 #endif /* USDT2 */ | |
| 0 | 4523 |
| 4524 extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf) | |
| 4525 { | |
| 4526 // thread_from_jni_environment() will block if VM is gone. | |
| 4527 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4528 | |
| 4529 JNIWrapper("jni_GetDirectBufferAddress"); | |
| 4006 | 4530 #ifndef USDT2 |
| 0 | 4531 DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf); |
| 4006 | 4532 #else /* USDT2 */ |
| 4533 HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY( | |
| 4534 env, buf); | |
| 4535 #endif /* USDT2 */ | |
| 0 | 4536 void* ret = NULL; |
| 4537 DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret); | |
| 4538 | |
| 4539 if (!directBufferSupportInitializeEnded) { | |
| 4540 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4541 return 0; | |
| 4542 } | |
| 4543 } | |
| 4544 | |
| 4545 if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) { | |
| 4546 return 0; | |
| 4547 } | |
| 4548 | |
| 4549 ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField); | |
| 4550 return ret; | |
| 4551 } | |
| 4552 | |
| 4006 | 4553 #ifndef USDT2 |
| 0 | 4554 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong); |
| 4006 | 4555 #else /* USDT2 */ |
| 4556 DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong | |
| 4557 , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref)); | |
| 4558 #endif /* USDT2 */ | |
| 0 | 4559 |
| 4560 extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf) | |
| 4561 { | |
| 4562 // thread_from_jni_environment() will block if VM is gone. | |
| 4563 JavaThread* thread = JavaThread::thread_from_jni_environment(env); | |
| 4564 | |
| 4565 JNIWrapper("jni_GetDirectBufferCapacity"); | |
| 4006 | 4566 #ifndef USDT2 |
| 0 | 4567 DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf); |
| 4006 | 4568 #else /* USDT2 */ |
| 4569 HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY( | |
| 4570 env, buf); | |
| 4571 #endif /* USDT2 */ | |
| 0 | 4572 jlong ret = -1; |
| 4573 DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret); | |
| 4574 | |
| 4575 if (!directBufferSupportInitializeEnded) { | |
| 4576 if (!initializeDirectBufferSupport(env, thread)) { | |
| 4577 ret = 0; | |
| 4578 return ret; | |
| 4579 } | |
| 4580 } | |
| 4581 | |
| 4582 if (buf == NULL) { | |
| 4583 return -1; | |
| 4584 } | |
| 4585 | |
| 4586 if (!env->IsInstanceOf(buf, directBufferClass)) { | |
| 4587 return -1; | |
| 4588 } | |
| 4589 | |
| 4590 // NOTE that capacity is currently an int in the implementation | |
| 4591 ret = env->GetIntField(buf, bufferCapacityField); | |
| 4592 return ret; | |
| 4593 } | |
| 4594 | |
| 4595 | |
| 4596 JNI_LEAF(jint, jni_GetVersion(JNIEnv *env)) | |
| 4597 JNIWrapper("GetVersion"); | |
| 4006 | 4598 #ifndef USDT2 |
| 0 | 4599 DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env); |
| 4006 | 4600 #else /* USDT2 */ |
| 4601 HOTSPOT_JNI_GETVERSION_ENTRY( | |
| 4602 env); | |
| 4603 #endif /* USDT2 */ | |
| 4604 #ifndef USDT2 | |
| 0 | 4605 DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion); |
| 4006 | 4606 #else /* USDT2 */ |
| 4607 HOTSPOT_JNI_GETVERSION_RETURN( | |
| 4608 CurrentVersion); | |
| 4609 #endif /* USDT2 */ | |
| 0 | 4610 return CurrentVersion; |
| 4611 JNI_END | |
| 4612 | |
| 4613 extern struct JavaVM_ main_vm; | |
| 4614 | |
| 4615 JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm)) | |
| 4616 JNIWrapper("jni_GetJavaVM"); | |
| 4006 | 4617 #ifndef USDT2 |
| 0 | 4618 DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm); |
| 4006 | 4619 #else /* USDT2 */ |
| 4620 HOTSPOT_JNI_GETJAVAVM_ENTRY( | |
| 4621 env, (void **) vm); | |
| 4622 #endif /* USDT2 */ | |
| 0 | 4623 *vm = (JavaVM *)(&main_vm); |
| 4006 | 4624 #ifndef USDT2 |
| 0 | 4625 DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK); |
| 4006 | 4626 #else /* USDT2 */ |
| 4627 HOTSPOT_JNI_GETJAVAVM_RETURN( | |
| 4628 JNI_OK); | |
| 4629 #endif /* USDT2 */ | |
| 0 | 4630 return JNI_OK; |
| 4631 JNI_END | |
| 4632 | |
| 4633 // Structure containing all jni functions | |
| 4634 struct JNINativeInterface_ jni_NativeInterface = { | |
| 4635 NULL, | |
| 4636 NULL, | |
| 4637 NULL, | |
| 4638 | |
| 4639 NULL, | |
| 4640 | |
| 4641 jni_GetVersion, | |
| 4642 | |
| 4643 jni_DefineClass, | |
| 4644 jni_FindClass, | |
| 4645 | |
| 4646 jni_FromReflectedMethod, | |
| 4647 jni_FromReflectedField, | |
| 4648 | |
| 4649 jni_ToReflectedMethod, | |
| 4650 | |
| 4651 jni_GetSuperclass, | |
| 4652 jni_IsAssignableFrom, | |
| 4653 | |
| 4654 jni_ToReflectedField, | |
| 4655 | |
| 4656 jni_Throw, | |
| 4657 jni_ThrowNew, | |
| 4658 jni_ExceptionOccurred, | |
| 4659 jni_ExceptionDescribe, | |
| 4660 jni_ExceptionClear, | |
| 4661 jni_FatalError, | |
| 4662 | |
| 4663 jni_PushLocalFrame, | |
| 4664 jni_PopLocalFrame, | |
| 4665 | |
| 4666 jni_NewGlobalRef, | |
| 4667 jni_DeleteGlobalRef, | |
| 4668 jni_DeleteLocalRef, | |
| 4669 jni_IsSameObject, | |
| 4670 | |
| 4671 jni_NewLocalRef, | |
| 4672 jni_EnsureLocalCapacity, | |
| 4673 | |
| 4674 jni_AllocObject, | |
| 4675 jni_NewObject, | |
| 4676 jni_NewObjectV, | |
| 4677 jni_NewObjectA, | |
| 4678 | |
| 4679 jni_GetObjectClass, | |
| 4680 jni_IsInstanceOf, | |
| 4681 | |
| 4682 jni_GetMethodID, | |
| 4683 | |
| 4684 jni_CallObjectMethod, | |
| 4685 jni_CallObjectMethodV, | |
| 4686 jni_CallObjectMethodA, | |
| 4687 jni_CallBooleanMethod, | |
| 4688 jni_CallBooleanMethodV, | |
| 4689 jni_CallBooleanMethodA, | |
| 4690 jni_CallByteMethod, | |
| 4691 jni_CallByteMethodV, | |
| 4692 jni_CallByteMethodA, | |
| 4693 jni_CallCharMethod, | |
| 4694 jni_CallCharMethodV, | |
| 4695 jni_CallCharMethodA, | |
| 4696 jni_CallShortMethod, | |
| 4697 jni_CallShortMethodV, | |
| 4698 jni_CallShortMethodA, | |
| 4699 jni_CallIntMethod, | |
| 4700 jni_CallIntMethodV, | |
| 4701 jni_CallIntMethodA, | |
| 4702 jni_CallLongMethod, | |
| 4703 jni_CallLongMethodV, | |
| 4704 jni_CallLongMethodA, | |
| 4705 jni_CallFloatMethod, | |
| 4706 jni_CallFloatMethodV, | |
| 4707 jni_CallFloatMethodA, | |
| 4708 jni_CallDoubleMethod, | |
| 4709 jni_CallDoubleMethodV, | |
| 4710 jni_CallDoubleMethodA, | |
| 4711 jni_CallVoidMethod, | |
| 4712 jni_CallVoidMethodV, | |
| 4713 jni_CallVoidMethodA, | |
| 4714 | |
| 4715 jni_CallNonvirtualObjectMethod, | |
| 4716 jni_CallNonvirtualObjectMethodV, | |
| 4717 jni_CallNonvirtualObjectMethodA, | |
| 4718 jni_CallNonvirtualBooleanMethod, | |
| 4719 jni_CallNonvirtualBooleanMethodV, | |
| 4720 jni_CallNonvirtualBooleanMethodA, | |
| 4721 jni_CallNonvirtualByteMethod, | |
| 4722 jni_CallNonvirtualByteMethodV, | |
| 4723 jni_CallNonvirtualByteMethodA, | |
| 4724 jni_CallNonvirtualCharMethod, | |
| 4725 jni_CallNonvirtualCharMethodV, | |
| 4726 jni_CallNonvirtualCharMethodA, | |
| 4727 jni_CallNonvirtualShortMethod, | |
| 4728 jni_CallNonvirtualShortMethodV, | |
| 4729 jni_CallNonvirtualShortMethodA, | |
| 4730 jni_CallNonvirtualIntMethod, | |
| 4731 jni_CallNonvirtualIntMethodV, | |
| 4732 jni_CallNonvirtualIntMethodA, | |
| 4733 jni_CallNonvirtualLongMethod, | |
| 4734 jni_CallNonvirtualLongMethodV, | |
| 4735 jni_CallNonvirtualLongMethodA, | |
| 4736 jni_CallNonvirtualFloatMethod, | |
| 4737 jni_CallNonvirtualFloatMethodV, | |
| 4738 jni_CallNonvirtualFloatMethodA, | |
| 4739 jni_CallNonvirtualDoubleMethod, | |
| 4740 jni_CallNonvirtualDoubleMethodV, | |
| 4741 jni_CallNonvirtualDoubleMethodA, | |
| 4742 jni_CallNonvirtualVoidMethod, | |
| 4743 jni_CallNonvirtualVoidMethodV, | |
| 4744 jni_CallNonvirtualVoidMethodA, | |
| 4745 | |
| 4746 jni_GetFieldID, | |
| 4747 | |
| 4748 jni_GetObjectField, | |
| 4749 jni_GetBooleanField, | |
| 4750 jni_GetByteField, | |
| 4751 jni_GetCharField, | |
| 4752 jni_GetShortField, | |
| 4753 jni_GetIntField, | |
| 4754 jni_GetLongField, | |
| 4755 jni_GetFloatField, | |
| 4756 jni_GetDoubleField, | |
| 4757 | |
| 4758 jni_SetObjectField, | |
| 4759 jni_SetBooleanField, | |
| 4760 jni_SetByteField, | |
| 4761 jni_SetCharField, | |
| 4762 jni_SetShortField, | |
| 4763 jni_SetIntField, | |
| 4764 jni_SetLongField, | |
| 4765 jni_SetFloatField, | |
| 4766 jni_SetDoubleField, | |
| 4767 | |
| 4768 jni_GetStaticMethodID, | |
| 4769 | |
| 4770 jni_CallStaticObjectMethod, | |
| 4771 jni_CallStaticObjectMethodV, | |
| 4772 jni_CallStaticObjectMethodA, | |
| 4773 jni_CallStaticBooleanMethod, | |
| 4774 jni_CallStaticBooleanMethodV, | |
| 4775 jni_CallStaticBooleanMethodA, | |
| 4776 jni_CallStaticByteMethod, | |
| 4777 jni_CallStaticByteMethodV, | |
| 4778 jni_CallStaticByteMethodA, | |
| 4779 jni_CallStaticCharMethod, | |
| 4780 jni_CallStaticCharMethodV, | |
| 4781 jni_CallStaticCharMethodA, | |
| 4782 jni_CallStaticShortMethod, | |
| 4783 jni_CallStaticShortMethodV, | |
| 4784 jni_CallStaticShortMethodA, | |
| 4785 jni_CallStaticIntMethod, | |
| 4786 jni_CallStaticIntMethodV, | |
| 4787 jni_CallStaticIntMethodA, | |
| 4788 jni_CallStaticLongMethod, | |
| 4789 jni_CallStaticLongMethodV, | |
| 4790 jni_CallStaticLongMethodA, | |
| 4791 jni_CallStaticFloatMethod, | |
| 4792 jni_CallStaticFloatMethodV, | |
| 4793 jni_CallStaticFloatMethodA, | |
| 4794 jni_CallStaticDoubleMethod, | |
| 4795 jni_CallStaticDoubleMethodV, | |
| 4796 jni_CallStaticDoubleMethodA, | |
| 4797 jni_CallStaticVoidMethod, | |
| 4798 jni_CallStaticVoidMethodV, | |
| 4799 jni_CallStaticVoidMethodA, | |
| 4800 | |
| 4801 jni_GetStaticFieldID, | |
| 4802 | |
| 4803 jni_GetStaticObjectField, | |
| 4804 jni_GetStaticBooleanField, | |
| 4805 jni_GetStaticByteField, | |
| 4806 jni_GetStaticCharField, | |
| 4807 jni_GetStaticShortField, | |
| 4808 jni_GetStaticIntField, | |
| 4809 jni_GetStaticLongField, | |
| 4810 jni_GetStaticFloatField, | |
| 4811 jni_GetStaticDoubleField, | |
| 4812 | |
| 4813 jni_SetStaticObjectField, | |
| 4814 jni_SetStaticBooleanField, | |
| 4815 jni_SetStaticByteField, | |
| 4816 jni_SetStaticCharField, | |
| 4817 jni_SetStaticShortField, | |
| 4818 jni_SetStaticIntField, | |
| 4819 jni_SetStaticLongField, | |
| 4820 jni_SetStaticFloatField, | |
| 4821 jni_SetStaticDoubleField, | |
| 4822 | |
| 4823 jni_NewString, | |
| 4824 jni_GetStringLength, | |
| 4825 jni_GetStringChars, | |
| 4826 jni_ReleaseStringChars, | |
| 4827 | |
| 4828 jni_NewStringUTF, | |
| 4829 jni_GetStringUTFLength, | |
| 4830 jni_GetStringUTFChars, | |
| 4831 jni_ReleaseStringUTFChars, | |
| 4832 | |
| 4833 jni_GetArrayLength, | |
| 4834 | |
| 4835 jni_NewObjectArray, | |
| 4836 jni_GetObjectArrayElement, | |
| 4837 jni_SetObjectArrayElement, | |
| 4838 | |
| 4839 jni_NewBooleanArray, | |
| 4840 jni_NewByteArray, | |
| 4841 jni_NewCharArray, | |
| 4842 jni_NewShortArray, | |
| 4843 jni_NewIntArray, | |
| 4844 jni_NewLongArray, | |
| 4845 jni_NewFloatArray, | |
| 4846 jni_NewDoubleArray, | |
| 4847 | |
| 4848 jni_GetBooleanArrayElements, | |
| 4849 jni_GetByteArrayElements, | |
| 4850 jni_GetCharArrayElements, | |
| 4851 jni_GetShortArrayElements, | |
| 4852 jni_GetIntArrayElements, | |
| 4853 jni_GetLongArrayElements, | |
| 4854 jni_GetFloatArrayElements, | |
| 4855 jni_GetDoubleArrayElements, | |
| 4856 | |
| 4857 jni_ReleaseBooleanArrayElements, | |
| 4858 jni_ReleaseByteArrayElements, | |
| 4859 jni_ReleaseCharArrayElements, | |
| 4860 jni_ReleaseShortArrayElements, | |
| 4861 jni_ReleaseIntArrayElements, | |
| 4862 jni_ReleaseLongArrayElements, | |
| 4863 jni_ReleaseFloatArrayElements, | |
| 4864 jni_ReleaseDoubleArrayElements, | |
| 4865 | |
| 4866 jni_GetBooleanArrayRegion, | |
| 4867 jni_GetByteArrayRegion, | |
| 4868 jni_GetCharArrayRegion, | |
| 4869 jni_GetShortArrayRegion, | |
| 4870 jni_GetIntArrayRegion, | |
| 4871 jni_GetLongArrayRegion, | |
| 4872 jni_GetFloatArrayRegion, | |
| 4873 jni_GetDoubleArrayRegion, | |
| 4874 | |
| 4875 jni_SetBooleanArrayRegion, | |
| 4876 jni_SetByteArrayRegion, | |
| 4877 jni_SetCharArrayRegion, | |
| 4878 jni_SetShortArrayRegion, | |
| 4879 jni_SetIntArrayRegion, | |
| 4880 jni_SetLongArrayRegion, | |
| 4881 jni_SetFloatArrayRegion, | |
| 4882 jni_SetDoubleArrayRegion, | |
| 4883 | |
| 4884 jni_RegisterNatives, | |
| 4885 jni_UnregisterNatives, | |
| 4886 | |
| 4887 jni_MonitorEnter, | |
| 4888 jni_MonitorExit, | |
| 4889 | |
| 4890 jni_GetJavaVM, | |
| 4891 | |
| 4892 jni_GetStringRegion, | |
| 4893 jni_GetStringUTFRegion, | |
| 4894 | |
| 4895 jni_GetPrimitiveArrayCritical, | |
| 4896 jni_ReleasePrimitiveArrayCritical, | |
| 4897 | |
| 4898 jni_GetStringCritical, | |
| 4899 jni_ReleaseStringCritical, | |
| 4900 | |
| 4901 jni_NewWeakGlobalRef, | |
| 4902 jni_DeleteWeakGlobalRef, | |
| 4903 | |
| 4904 jni_ExceptionCheck, | |
| 4905 | |
| 4906 jni_NewDirectByteBuffer, | |
| 4907 jni_GetDirectBufferAddress, | |
| 4908 jni_GetDirectBufferCapacity, | |
| 4909 | |
| 4910 // New 1_6 features | |
| 4911 | |
| 4912 jni_GetObjectRefType | |
| 4913 }; | |
| 4914 | |
| 4915 | |
| 4916 // For jvmti use to modify jni function table. | |
| 4917 // Java threads in native contiues to run until it is transitioned | |
| 4918 // to VM at safepoint. Before the transition or before it is blocked | |
| 4919 // for safepoint it may access jni function table. VM could crash if | |
| 4920 // any java thread access the jni function table in the middle of memcpy. | |
| 4921 // To avoid this each function pointers are copied automically. | |
| 4922 void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) { | |
| 4923 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); | |
| 4924 intptr_t *a = (intptr_t *) jni_functions(); | |
| 4925 intptr_t *b = (intptr_t *) new_jni_NativeInterface; | |
| 4926 for (uint i=0; i < sizeof(struct JNINativeInterface_)/sizeof(void *); i++) { | |
| 4927 Atomic::store_ptr(*b++, a++); | |
| 4928 } | |
| 4929 } | |
| 4930 | |
| 4931 void quicken_jni_functions() { | |
| 4932 // Replace Get<Primitive>Field with fast versions | |
| 4933 if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access() | |
| 4934 && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls | |
| 4935 #if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2) | |
| 4936 // windows x86 currently needs SEH wrapper and the gain of the fast | |
| 4937 // versions currently isn't certain for server vm on uniprocessor. | |
| 4938 && os::is_MP() | |
| 4939 #endif | |
| 4940 ) { | |
| 4941 address func; | |
| 4942 func = JNI_FastGetField::generate_fast_get_boolean_field(); | |
| 4943 if (func != (address)-1) { | |
| 4944 jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func; | |
| 4945 } | |
| 4946 func = JNI_FastGetField::generate_fast_get_byte_field(); | |
| 4947 if (func != (address)-1) { | |
| 4948 jni_NativeInterface.GetByteField = (GetByteField_t)func; | |
| 4949 } | |
| 4950 func = JNI_FastGetField::generate_fast_get_char_field(); | |
| 4951 if (func != (address)-1) { | |
| 4952 jni_NativeInterface.GetCharField = (GetCharField_t)func; | |
| 4953 } | |
| 4954 func = JNI_FastGetField::generate_fast_get_short_field(); | |
| 4955 if (func != (address)-1) { | |
| 4956 jni_NativeInterface.GetShortField = (GetShortField_t)func; | |
| 4957 } | |
| 4958 func = JNI_FastGetField::generate_fast_get_int_field(); | |
| 4959 if (func != (address)-1) { | |
| 4960 jni_NativeInterface.GetIntField = (GetIntField_t)func; | |
| 4961 } | |
| 4962 func = JNI_FastGetField::generate_fast_get_long_field(); | |
| 4963 if (func != (address)-1) { | |
| 4964 jni_NativeInterface.GetLongField = (GetLongField_t)func; | |
| 4965 } | |
| 4966 func = JNI_FastGetField::generate_fast_get_float_field(); | |
| 4967 if (func != (address)-1) { | |
| 4968 jni_NativeInterface.GetFloatField = (GetFloatField_t)func; | |
| 4969 } | |
| 4970 func = JNI_FastGetField::generate_fast_get_double_field(); | |
| 4971 if (func != (address)-1) { | |
| 4972 jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func; | |
| 4973 } | |
| 4974 } | |
| 4975 } | |
| 4976 | |
| 4977 // Returns the function structure | |
| 4978 struct JNINativeInterface_* jni_functions() { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4979 #if INCLUDE_JNI_CHECK |
| 0 | 4980 if (CheckJNICalls) return jni_functions_check(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
4981 #endif // INCLUDE_JNI_CHECK |
| 0 | 4982 return &jni_NativeInterface; |
| 4983 } | |
| 4984 | |
| 4985 // Returns the function structure | |
| 4986 struct JNINativeInterface_* jni_functions_nocheck() { | |
| 4987 return &jni_NativeInterface; | |
| 4988 } | |
| 4989 | |
| 4990 | |
| 4991 // Invocation API | |
| 4992 | |
| 4993 | |
| 4994 // Forward declaration | |
| 4995 extern const struct JNIInvokeInterface_ jni_InvokeInterface; | |
| 4996 | |
| 4997 // Global invocation API vars | |
| 4998 volatile jint vm_created = 0; | |
| 4999 // Indicate whether it is safe to recreate VM | |
| 5000 volatile jint safe_to_recreate_vm = 1; | |
| 5001 struct JavaVM_ main_vm = {&jni_InvokeInterface}; | |
| 5002 | |
| 5003 | |
| 5004 #define JAVASTACKSIZE (400 * 1024) /* Default size of a thread java stack */ | |
| 5005 enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL }; | |
| 5006 | |
| 4006 | 5007 #ifndef USDT2 |
| 0 | 5008 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*); |
| 5009 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint); | |
| 4006 | 5010 #else /* USDT2 */ |
| 5011 DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint | |
| 5012 , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref)); | |
| 5013 #endif /* USDT2 */ | |
| 0 | 5014 |
| 5015 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) { | |
| 4006 | 5016 #ifndef USDT2 |
| 0 | 5017 HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_); |
| 4006 | 5018 #else /* USDT2 */ |
| 5019 HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY( | |
| 5020 args_); | |
| 5021 #endif /* USDT2 */ | |
| 0 | 5022 JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_; |
| 5023 jint ret = JNI_ERR; | |
| 5024 DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret); | |
| 5025 | |
| 5026 if (Threads::is_supported_jni_version(args->version)) { | |
| 5027 ret = JNI_OK; | |
| 5028 } | |
| 5029 // 1.1 style no longer supported in hotspot. | |
| 5030 // According the JNI spec, we should update args->version on return. | |
| 5031 // We also use the structure to communicate with launcher about default | |
| 5032 // stack size. | |
| 5033 if (args->version == JNI_VERSION_1_1) { | |
| 5034 args->version = JNI_VERSION_1_2; | |
| 5035 // javaStackSize is int in arguments structure | |
| 5036 assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow"); | |
| 5037 args->javaStackSize = (jint)(ThreadStackSize * K); | |
| 5038 } | |
| 5039 return ret; | |
| 5040 } | |
| 5041 | |
| 3779 | 5042 #ifndef PRODUCT |
| 5043 | |
| 10405 | 5044 #include "gc_implementation/shared/gcTimer.hpp" |
| 4708 | 5045 #include "gc_interface/collectedHeap.hpp" |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5046 #if INCLUDE_ALL_GCS |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5047 #include "gc_implementation/g1/heapRegionRemSet.hpp" |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5048 #endif |
| 3779 | 5049 #include "utilities/quickSort.hpp" |
| 12215 | 5050 #include "utilities/ostream.hpp" |
| 7171 | 5051 #if INCLUDE_VM_STRUCTS |
| 5052 #include "runtime/vmStructs.hpp" | |
| 5053 #endif | |
| 3779 | 5054 |
| 4708 | 5055 #define run_unit_test(unit_test_function_call) \ |
| 5056 tty->print_cr("Running test: " #unit_test_function_call); \ | |
| 5057 unit_test_function_call | |
| 5058 | |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5059 // Forward declaration |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5060 void TestReservedSpace_test(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5061 void TestReserveMemorySpecial_test(); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5062 void TestVirtualSpace_test(); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5063 void TestMetaspaceAux_test(); |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5064 #if INCLUDE_ALL_GCS |
|
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5065 void TestG1BiasedArray_test(); |
|
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5066 #endif |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5067 |
| 3779 | 5068 void execute_internal_vm_tests() { |
| 5069 if (ExecuteInternalVMTests) { | |
| 4708 | 5070 tty->print_cr("Running internal VM tests"); |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5071 run_unit_test(TestReservedSpace_test()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
11092
diff
changeset
|
5072 run_unit_test(TestReserveMemorySpecial_test()); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12111
diff
changeset
|
5073 run_unit_test(TestVirtualSpace_test()); |
|
12306
03f493ce3a71
8025228: assert(new_entry->reserved_words() == vs_word_size) fails in nightly
brutisso
parents:
12305
diff
changeset
|
5074 run_unit_test(TestMetaspaceAux_test()); |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8793
diff
changeset
|
5075 run_unit_test(GlobalDefinitions::test_globals()); |
| 10405 | 5076 run_unit_test(GCTimerAllTest::all()); |
| 4708 | 5077 run_unit_test(arrayOopDesc::test_max_array_length()); |
| 5078 run_unit_test(CollectedHeap::test_is_in()); | |
| 5079 run_unit_test(QuickSort::test_quick_sort()); | |
| 6162 | 5080 run_unit_test(AltHashing::test_alt_hash()); |
| 12215 | 5081 run_unit_test(test_loggc_filename()); |
| 7171 | 5082 #if INCLUDE_VM_STRUCTS |
| 5083 run_unit_test(VMStructs::test()); | |
| 5084 #endif | |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5085 #if INCLUDE_ALL_GCS |
|
12305
a19bea467577
7163191: G1: introduce a "heap spanning table" abstraction
tschatzl
parents:
12269
diff
changeset
|
5086 run_unit_test(TestG1BiasedArray_test()); |
|
10333
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5087 run_unit_test(HeapRegionRemSet::test_prt()); |
|
6702da6b6082
8014405: G1: PerRegionTable::fl_mem_size() calculates size of the free list using wrong element sizes
tschatzl
parents:
9060
diff
changeset
|
5088 #endif |
|
4070
6fd81579526f
7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise
brutisso
parents:
4006
diff
changeset
|
5089 tty->print_cr("All internal VM tests passed"); |
| 3779 | 5090 } |
| 5091 } | |
| 5092 | |
| 4708 | 5093 #undef run_unit_test |
| 5094 | |
| 3779 | 5095 #endif |
| 5096 | |
| 4006 | 5097 #ifndef USDT2 |
| 0 | 5098 HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 5099 DT_RETURN_MARK_DECL(CreateJavaVM, jint); | |
| 4006 | 5100 #else /* USDT2 */ |
| 5101 DT_RETURN_MARK_DECL(CreateJavaVM, jint | |
| 5102 , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref)); | |
| 5103 #endif /* USDT2 */ | |
| 0 | 5104 |
| 5105 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) { | |
| 4006 | 5106 #ifndef USDT2 |
| 0 | 5107 HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args); |
| 4006 | 5108 #else /* USDT2 */ |
| 5109 HOTSPOT_JNI_CREATEJAVAVM_ENTRY( | |
| 5110 (void **) vm, penv, args); | |
| 5111 #endif /* USDT2 */ | |
| 0 | 5112 |
| 5113 jint result = JNI_ERR; | |
| 5114 DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result); | |
| 5115 | |
| 1078 | 5116 // We're about to use Atomic::xchg for synchronization. Some Zero |
| 5117 // platforms use the GCC builtin __sync_lock_test_and_set for this, | |
| 5118 // but __sync_lock_test_and_set is not guaranteed to do what we want | |
| 5119 // on all architectures. So we check it works before relying on it. | |
| 5120 #if defined(ZERO) && defined(ASSERT) | |
| 5121 { | |
| 5122 jint a = 0xcafebabe; | |
| 5123 jint b = Atomic::xchg(0xdeadbeef, &a); | |
| 5124 void *c = &a; | |
| 5125 void *d = Atomic::xchg_ptr(&b, &c); | |
| 1132 | 5126 assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works"); |
| 1078 | 5127 assert(c == &b && d == &a, "Atomic::xchg_ptr() works"); |
| 5128 } | |
| 5129 #endif // ZERO && ASSERT | |
| 5130 | |
| 0 | 5131 // At the moment it's only possible to have one Java VM, |
| 5132 // since some of the runtime state is in global variables. | |
| 5133 | |
| 5134 // We cannot use our mutex locks here, since they only work on | |
| 5135 // Threads. We do an atomic compare and exchange to ensure only | |
| 5136 // one thread can call this method at a time | |
| 5137 | |
| 5138 // We use Atomic::xchg rather than Atomic::add/dec since on some platforms | |
| 5139 // the add/dec implementations are dependent on whether we are running | |
| 5140 // on a multiprocessor, and at this stage of initialization the os::is_MP | |
| 5141 // function used to determine this will always return false. Atomic::xchg | |
| 5142 // does not have this problem. | |
| 5143 if (Atomic::xchg(1, &vm_created) == 1) { | |
|
11089
f323bbb0e6c1
8019833: Wrong JNI error code for preexisting JVM
coleenp
parents:
11059
diff
changeset
|
5144 return JNI_EEXIST; // already created, or create attempt in progress |
| 0 | 5145 } |
| 5146 if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) { | |
| 5147 return JNI_ERR; // someone tried and failed and retry not allowed. | |
| 5148 } | |
| 5149 | |
| 5150 assert(vm_created == 1, "vm_created is true during the creation"); | |
| 5151 | |
| 5152 /** | |
| 5153 * Certain errors during initialization are recoverable and do not | |
| 5154 * prevent this method from being called again at a later time | |
| 5155 * (perhaps with different arguments). However, at a certain | |
| 5156 * point during initialization if an error occurs we cannot allow | |
| 5157 * this function to be called again (or it will crash). In those | |
| 5158 * situations, the 'canTryAgain' flag is set to false, which atomically | |
| 5159 * sets safe_to_recreate_vm to 1, such that any new call to | |
| 5160 * JNI_CreateJavaVM will immediately fail using the above logic. | |
| 5161 */ | |
| 5162 bool can_try_again = true; | |
| 5163 | |
| 5164 result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again); | |
| 5165 if (result == JNI_OK) { | |
| 5166 JavaThread *thread = JavaThread::current(); | |
| 5167 /* thread is thread_in_vm here */ | |
| 5168 *vm = (JavaVM *)(&main_vm); | |
| 5169 *(JNIEnv**)penv = thread->jni_environment(); | |
| 5170 | |
| 5171 // Tracks the time application was running before GC | |
| 5172 RuntimeService::record_application_start(); | |
| 5173 | |
| 5174 // Notify JVMTI | |
| 5175 if (JvmtiExport::should_post_thread_life()) { | |
| 5176 JvmtiExport::post_thread_start(thread); | |
| 5177 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5178 |
| 10405 | 5179 EventThreadStart event; |
| 5180 if (event.should_commit()) { | |
| 5181 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5182 event.commit(); | |
| 5183 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5184 |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5185 #ifndef PRODUCT |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5186 #ifndef TARGET_OS_FAMILY_windows |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5187 #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f() |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5188 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5189 |
| 0 | 5190 // Check if we should compile all classes on bootclasspath |
|
11092
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5191 if (CompileTheWorld) ClassLoader::compile_the_world(); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5192 if (ReplayCompiles) ciReplay::replay(thread); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5193 |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5194 // Some platforms (like Win*) need a wrapper around these test |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5195 // functions in order to properly handle error conditions. |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5196 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5197 CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests); |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5198 #endif |
|
59b052799158
8015884: runThese crashed with SIGSEGV, hs_err has an error instead of stacktrace
dcubed
parents:
11089
diff
changeset
|
5199 |
| 0 | 5200 // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving. |
| 5201 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5202 } else { | |
| 5203 if (can_try_again) { | |
| 5204 // reset safe_to_recreate_vm to 1 so that retrial would be possible | |
| 5205 safe_to_recreate_vm = 1; | |
| 5206 } | |
| 5207 | |
| 5208 // Creation failed. We must reset vm_created | |
| 5209 *vm = 0; | |
| 5210 *(JNIEnv**)penv = 0; | |
| 5211 // reset vm_created last to avoid race condition. Use OrderAccess to | |
| 5212 // control both compiler and architectural-based reordering. | |
| 5213 OrderAccess::release_store(&vm_created, 0); | |
| 5214 } | |
| 5215 | |
| 5216 return result; | |
| 5217 } | |
| 5218 | |
| 4006 | 5219 #ifndef USDT2 |
| 0 | 5220 HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5221 JavaVM**, jsize, jsize*); | |
| 5222 HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint); | |
| 4006 | 5223 #endif /* !USDT2 */ |
| 0 | 5224 |
| 5225 _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) { | |
| 5226 // See bug 4367188, the wrapper can sometimes cause VM crashes | |
| 5227 // JNIWrapper("GetCreatedJavaVMs"); | |
| 4006 | 5228 #ifndef USDT2 |
| 0 | 5229 HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \ |
| 5230 vm_buf, bufLen, numVMs); | |
| 4006 | 5231 #else /* USDT2 */ |
| 5232 HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY( | |
| 5233 (void **) vm_buf, bufLen, (uintptr_t *) numVMs); | |
| 5234 #endif /* USDT2 */ | |
| 0 | 5235 if (vm_created) { |
| 5236 if (numVMs != NULL) *numVMs = 1; | |
| 5237 if (bufLen > 0) *vm_buf = (JavaVM *)(&main_vm); | |
| 5238 } else { | |
| 5239 if (numVMs != NULL) *numVMs = 0; | |
| 5240 } | |
| 4006 | 5241 #ifndef USDT2 |
| 0 | 5242 HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK); |
| 4006 | 5243 #else /* USDT2 */ |
| 5244 HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN( | |
| 5245 JNI_OK); | |
| 5246 #endif /* USDT2 */ | |
| 0 | 5247 return JNI_OK; |
| 5248 } | |
| 5249 | |
| 5250 extern "C" { | |
| 5251 | |
| 4006 | 5252 #ifndef USDT2 |
| 0 | 5253 DT_RETURN_MARK_DECL(DestroyJavaVM, jint); |
| 4006 | 5254 #else /* USDT2 */ |
| 5255 DT_RETURN_MARK_DECL(DestroyJavaVM, jint | |
| 5256 , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref)); | |
| 5257 #endif /* USDT2 */ | |
| 0 | 5258 |
| 5259 jint JNICALL jni_DestroyJavaVM(JavaVM *vm) { | |
| 4006 | 5260 #ifndef USDT2 |
| 0 | 5261 DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm); |
| 4006 | 5262 #else /* USDT2 */ |
| 5263 HOTSPOT_JNI_DESTROYJAVAVM_ENTRY( | |
| 5264 vm); | |
| 5265 #endif /* USDT2 */ | |
| 0 | 5266 jint res = JNI_ERR; |
| 5267 DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res); | |
| 5268 | |
| 5269 if (!vm_created) { | |
| 5270 res = JNI_ERR; | |
| 5271 return res; | |
| 5272 } | |
| 5273 | |
| 5274 JNIWrapper("DestroyJavaVM"); | |
| 5275 JNIEnv *env; | |
| 5276 JavaVMAttachArgs destroyargs; | |
| 5277 destroyargs.version = CurrentVersion; | |
| 5278 destroyargs.name = (char *)"DestroyJavaVM"; | |
| 5279 destroyargs.group = NULL; | |
| 5280 res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs); | |
| 5281 if (res != JNI_OK) { | |
| 5282 return res; | |
| 5283 } | |
| 5284 | |
| 5285 // Since this is not a JVM_ENTRY we have to set the thread state manually before entering. | |
| 5286 JavaThread* thread = JavaThread::current(); | |
| 5287 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5288 if (Threads::destroy_vm()) { | |
| 5289 // Should not change thread state, VM is gone | |
| 5290 vm_created = false; | |
| 5291 res = JNI_OK; | |
| 5292 return res; | |
| 5293 } else { | |
| 5294 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5295 res = JNI_ERR; | |
| 5296 return res; | |
| 5297 } | |
| 5298 } | |
| 5299 | |
| 5300 | |
| 5301 static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) { | |
| 5302 JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args; | |
| 5303 | |
| 5304 // Check below commented out from JDK1.2fcs as well | |
| 5305 /* | |
| 5306 if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) { | |
| 5307 return JNI_EVERSION; | |
| 5308 } | |
| 5309 */ | |
| 5310 | |
| 5311 Thread* t = ThreadLocalStorage::get_thread_slow(); | |
| 5312 if (t != NULL) { | |
| 5313 // If the thread has been attached this operation is a no-op | |
| 5314 *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment(); | |
| 5315 return JNI_OK; | |
| 5316 } | |
| 5317 | |
| 5318 // Create a thread and mark it as attaching so it will be skipped by the | |
| 5319 // ThreadsListEnumerator - see CR 6404306 | |
| 5320 JavaThread* thread = new JavaThread(true); | |
| 5321 | |
| 5322 // Set correct safepoint info. The thread is going to call into Java when | |
| 5323 // initializing the Java level thread object. Hence, the correct state must | |
| 5324 // be set in order for the Safepoint code to deal with it correctly. | |
| 5325 thread->set_thread_state(_thread_in_vm); | |
| 5326 // Must do this before initialize_thread_local_storage | |
| 5327 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
|
5328 |
| 0 | 5329 thread->initialize_thread_local_storage(); |
| 5330 | |
| 5331 if (!os::create_attached_thread(thread)) { | |
| 5332 delete thread; | |
| 5333 return JNI_ERR; | |
| 5334 } | |
|
1290
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5335 // Enable stack overflow checks |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5336 thread->create_stack_guard_pages(); |
|
c8a467bf56ad
6914050: jvm assertion "guard pages must be in use" in -Xcomp mode
coleenp
parents:
1142
diff
changeset
|
5337 |
| 0 | 5338 thread->initialize_tlab(); |
| 5339 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5340 thread->cache_global_variables(); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
5341 |
| 0 | 5342 // Crucial that we do not have a safepoint check for this thread, since it has |
| 5343 // not been added to the Thread list yet. | |
| 5344 { Threads_lock->lock_without_safepoint_check(); | |
| 5345 // This must be inside this lock in order to get FullGCALot to work properly, i.e., to | |
| 5346 // avoid this thread trying to do a GC before it is added to the thread-list | |
| 5347 thread->set_active_handles(JNIHandleBlock::allocate_block()); | |
| 5348 Threads::add(thread, daemon); | |
| 5349 Threads_lock->unlock(); | |
| 5350 } | |
| 5351 // Create thread group and name info from attach arguments | |
| 5352 oop group = NULL; | |
| 5353 char* thread_name = NULL; | |
| 5354 if (args != NULL && Threads::is_supported_jni_version(args->version)) { | |
| 5355 group = JNIHandles::resolve(args->group); | |
| 5356 thread_name = args->name; // may be NULL | |
| 5357 } | |
| 5358 if (group == NULL) group = Universe::main_thread_group(); | |
| 5359 | |
| 5360 // Create Java level thread object and attach it to this thread | |
| 5361 bool attach_failed = false; | |
| 5362 { | |
| 5363 EXCEPTION_MARK; | |
| 5364 HandleMark hm(THREAD); | |
| 5365 Handle thread_group(THREAD, group); | |
| 5366 thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD); | |
| 5367 if (HAS_PENDING_EXCEPTION) { | |
| 5368 CLEAR_PENDING_EXCEPTION; | |
| 5369 // cleanup outside the handle mark. | |
| 5370 attach_failed = true; | |
| 5371 } | |
| 5372 } | |
| 5373 | |
| 5374 if (attach_failed) { | |
| 5375 // Added missing cleanup | |
| 5376 thread->cleanup_failed_attach_current_thread(); | |
| 5377 return JNI_ERR; | |
| 5378 } | |
| 5379 | |
| 5380 // mark the thread as no longer attaching | |
| 5381 // this uses a fence to push the change through so we don't have | |
| 5382 // to regrab the threads_lock | |
| 4006 | 5383 thread->set_done_attaching_via_jni(); |
| 0 | 5384 |
| 5385 // Set java thread status. | |
| 5386 java_lang_Thread::set_thread_status(thread->threadObj(), | |
| 5387 java_lang_Thread::RUNNABLE); | |
| 5388 | |
| 5389 // Notify the debugger | |
| 5390 if (JvmtiExport::should_post_thread_life()) { | |
| 5391 JvmtiExport::post_thread_start(thread); | |
| 5392 } | |
| 5393 | |
| 10405 | 5394 EventThreadStart event; |
| 5395 if (event.should_commit()) { | |
| 5396 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
| 5397 event.commit(); | |
| 5398 } | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5399 |
| 0 | 5400 *(JNIEnv**)penv = thread->jni_environment(); |
| 5401 | |
| 5402 // Now leaving the VM, so change thread_state. This is normally automatically taken care | |
| 5403 // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by | |
| 5404 // using ThreadStateTransition::transition, we do a callback to the safepoint code if | |
| 5405 // needed. | |
| 5406 | |
| 5407 ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native); | |
| 5408 | |
| 5409 // Perform any platform dependent FPU setup | |
| 5410 os::setup_fpu(); | |
| 5411 | |
| 5412 return JNI_OK; | |
| 5413 } | |
| 5414 | |
| 5415 | |
| 5416 jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5417 #ifndef USDT2 |
| 0 | 5418 DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args); |
| 4006 | 5419 #else /* USDT2 */ |
| 5420 HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY( | |
| 5421 vm, penv, _args); | |
| 5422 #endif /* USDT2 */ | |
| 0 | 5423 if (!vm_created) { |
| 4006 | 5424 #ifndef USDT2 |
| 0 | 5425 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR); |
| 4006 | 5426 #else /* USDT2 */ |
| 5427 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5428 (uint32_t) JNI_ERR); | |
| 5429 #endif /* USDT2 */ | |
| 0 | 5430 return JNI_ERR; |
| 5431 } | |
| 5432 | |
| 5433 JNIWrapper("AttachCurrentThread"); | |
| 5434 jint ret = attach_current_thread(vm, penv, _args, false); | |
| 4006 | 5435 #ifndef USDT2 |
| 0 | 5436 DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret); |
| 4006 | 5437 #else /* USDT2 */ |
| 5438 HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN( | |
| 5439 ret); | |
| 5440 #endif /* USDT2 */ | |
| 0 | 5441 return ret; |
| 5442 } | |
| 5443 | |
| 5444 | |
| 5445 jint JNICALL jni_DetachCurrentThread(JavaVM *vm) { | |
| 4006 | 5446 #ifndef USDT2 |
| 0 | 5447 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm); |
| 4006 | 5448 #else /* USDT2 */ |
| 5449 HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY( | |
| 5450 vm); | |
| 5451 #endif /* USDT2 */ | |
| 0 | 5452 VM_Exit::block_if_vm_exited(); |
| 5453 | |
| 5454 JNIWrapper("DetachCurrentThread"); | |
| 5455 | |
| 5456 // If the thread has been deattacted the operations is a no-op | |
| 5457 if (ThreadLocalStorage::thread() == NULL) { | |
| 4006 | 5458 #ifndef USDT2 |
| 0 | 5459 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5460 #else /* USDT2 */ |
| 5461 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5462 JNI_OK); | |
| 5463 #endif /* USDT2 */ | |
| 0 | 5464 return JNI_OK; |
| 5465 } | |
| 5466 | |
| 5467 JavaThread* thread = JavaThread::current(); | |
| 5468 if (thread->has_last_Java_frame()) { | |
| 4006 | 5469 #ifndef USDT2 |
| 0 | 5470 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR); |
| 4006 | 5471 #else /* USDT2 */ |
| 5472 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5473 (uint32_t) JNI_ERR); | |
| 5474 #endif /* USDT2 */ | |
| 0 | 5475 // Can't detach a thread that's running java, that can't work. |
| 5476 return JNI_ERR; | |
| 5477 } | |
| 5478 | |
| 5479 // Safepoint support. Have to do call-back to safepoint code, if in the | |
| 5480 // middel of a safepoint operation | |
| 5481 ThreadStateTransition::transition_from_native(thread, _thread_in_vm); | |
| 5482 | |
| 5483 // XXX: Note that JavaThread::exit() call below removes the guards on the | |
| 5484 // stack pages set up via enable_stack_{red,yellow}_zone() calls | |
| 5485 // above in jni_AttachCurrentThread. Unfortunately, while the setting | |
| 5486 // of the guards is visible in jni_AttachCurrentThread above, | |
| 5487 // the removal of the guards is buried below in JavaThread::exit() | |
| 5488 // here. The abstraction should be more symmetrically either exposed | |
| 5489 // or hidden (e.g. it could probably be hidden in the same | |
| 5490 // (platform-dependent) methods where we do alternate stack | |
| 5491 // maintenance work?) | |
| 5492 thread->exit(false, JavaThread::jni_detach); | |
| 5493 delete thread; | |
| 5494 | |
| 4006 | 5495 #ifndef USDT2 |
| 0 | 5496 DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK); |
| 4006 | 5497 #else /* USDT2 */ |
| 5498 HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN( | |
| 5499 JNI_OK); | |
| 5500 #endif /* USDT2 */ | |
| 0 | 5501 return JNI_OK; |
| 5502 } | |
| 5503 | |
| 4006 | 5504 #ifndef USDT2 |
| 0 | 5505 DT_RETURN_MARK_DECL(GetEnv, jint); |
| 4006 | 5506 #else /* USDT2 */ |
| 5507 DT_RETURN_MARK_DECL(GetEnv, jint | |
| 5508 , HOTSPOT_JNI_GETENV_RETURN(_ret_ref)); | |
| 5509 #endif /* USDT2 */ | |
| 0 | 5510 |
| 5511 jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) { | |
| 4006 | 5512 #ifndef USDT2 |
| 0 | 5513 DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version); |
| 4006 | 5514 #else /* USDT2 */ |
| 5515 HOTSPOT_JNI_GETENV_ENTRY( | |
| 5516 vm, penv, version); | |
| 5517 #endif /* USDT2 */ | |
| 0 | 5518 jint ret = JNI_ERR; |
| 5519 DT_RETURN_MARK(GetEnv, jint, (const jint&)ret); | |
| 5520 | |
| 5521 if (!vm_created) { | |
| 5522 *penv = NULL; | |
| 5523 ret = JNI_EDETACHED; | |
| 5524 return ret; | |
| 5525 } | |
| 5526 | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
4708
diff
changeset
|
5527 if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) { |
| 0 | 5528 return ret; |
| 5529 } | |
| 5530 | |
| 5531 #ifndef JVMPI_VERSION_1 | |
| 5532 // need these in order to be polite about older agents | |
| 5533 #define JVMPI_VERSION_1 ((jint)0x10000001) | |
| 5534 #define JVMPI_VERSION_1_1 ((jint)0x10000002) | |
| 5535 #define JVMPI_VERSION_1_2 ((jint)0x10000003) | |
| 5536 #endif // !JVMPI_VERSION_1 | |
| 5537 | |
| 5538 Thread* thread = ThreadLocalStorage::thread(); | |
| 5539 if (thread != NULL && thread->is_Java_thread()) { | |
| 5540 if (Threads::is_supported_jni_version_including_1_1(version)) { | |
| 5541 *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment(); | |
| 5542 ret = JNI_OK; | |
| 5543 return ret; | |
| 5544 | |
| 5545 } else if (version == JVMPI_VERSION_1 || | |
| 5546 version == JVMPI_VERSION_1_1 || | |
| 5547 version == JVMPI_VERSION_1_2) { | |
| 5548 tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported."); | |
| 5549 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5550 ret = JNI_EVERSION; | |
| 5551 return ret; | |
| 5552 } else if (JvmtiExport::is_jvmdi_version(version)) { | |
| 5553 tty->print_cr("FATAL ERROR: JVMDI is no longer supported."); | |
| 5554 tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI)."); | |
| 5555 ret = JNI_EVERSION; | |
| 5556 return ret; | |
| 5557 } else { | |
| 5558 *penv = NULL; | |
| 5559 ret = JNI_EVERSION; | |
| 5560 return ret; | |
| 5561 } | |
| 5562 } else { | |
| 5563 *penv = NULL; | |
| 5564 ret = JNI_EDETACHED; | |
| 5565 return ret; | |
| 5566 } | |
| 5567 } | |
| 5568 | |
| 5569 | |
| 5570 jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) { | |
| 4006 | 5571 #ifndef USDT2 |
| 0 | 5572 DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args); |
| 4006 | 5573 #else /* USDT2 */ |
| 5574 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY( | |
| 5575 vm, penv, _args); | |
| 5576 #endif /* USDT2 */ | |
| 0 | 5577 if (!vm_created) { |
| 4006 | 5578 #ifndef USDT2 |
| 0 | 5579 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR); |
| 4006 | 5580 #else /* USDT2 */ |
| 5581 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5582 (uint32_t) JNI_ERR); | |
| 5583 #endif /* USDT2 */ | |
| 0 | 5584 return JNI_ERR; |
| 5585 } | |
| 5586 | |
| 5587 JNIWrapper("AttachCurrentThreadAsDaemon"); | |
| 5588 jint ret = attach_current_thread(vm, penv, _args, true); | |
| 4006 | 5589 #ifndef USDT2 |
| 0 | 5590 DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret); |
| 4006 | 5591 #else /* USDT2 */ |
| 5592 HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN( | |
| 5593 ret); | |
| 5594 #endif /* USDT2 */ | |
| 0 | 5595 return ret; |
| 5596 } | |
| 5597 | |
| 5598 | |
| 5599 } // End extern "C" | |
| 5600 | |
| 5601 const struct JNIInvokeInterface_ jni_InvokeInterface = { | |
| 5602 NULL, | |
| 5603 NULL, | |
| 5604 NULL, | |
| 5605 | |
| 5606 jni_DestroyJavaVM, | |
| 5607 jni_AttachCurrentThread, | |
| 5608 jni_DetachCurrentThread, | |
| 5609 jni_GetEnv, | |
| 5610 jni_AttachCurrentThreadAsDaemon | |
| 5611 }; |