Tue, 19 May 2015 15:49:27 +0200
8061715: gc/g1/TestShrinkAuxiliaryData15.java fails with java.lang.RuntimeException: heap decommit failed - after > before
Summary: added WhiteBox methods to count regions and exact aux data sizes
Reviewed-by: jwilhelm, brutisso
mgerdin@3619 | 1 | /* |
iignatyev@6525 | 2 | * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
mgerdin@3619 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
mgerdin@3619 | 4 | * |
mgerdin@3619 | 5 | * This code is free software; you can redistribute it and/or modify it |
mgerdin@3619 | 6 | * under the terms of the GNU General Public License version 2 only, as |
mgerdin@3619 | 7 | * published by the Free Software Foundation. |
mgerdin@3619 | 8 | * |
mgerdin@3619 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
mgerdin@3619 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
mgerdin@3619 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
mgerdin@3619 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
mgerdin@3619 | 13 | * accompanied this code). |
mgerdin@3619 | 14 | * |
mgerdin@3619 | 15 | * You should have received a copy of the GNU General Public License version |
mgerdin@3619 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
mgerdin@3619 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
mgerdin@3619 | 18 | * |
mgerdin@3619 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
mgerdin@3619 | 20 | * or visit www.oracle.com if you need additional information or have any |
mgerdin@3619 | 21 | * questions. |
mgerdin@3619 | 22 | * |
mgerdin@3619 | 23 | */ |
mgerdin@3619 | 24 | |
mgerdin@3619 | 25 | #include "precompiled.hpp" |
mgerdin@3619 | 26 | |
stefank@6992 | 27 | #include "memory/metadataFactory.hpp" |
mgerdin@3619 | 28 | #include "memory/universe.hpp" |
mgerdin@3619 | 29 | #include "oops/oop.inline.hpp" |
nloodin@3681 | 30 | |
nloodin@3681 | 31 | #include "classfile/symbolTable.hpp" |
coleenp@4037 | 32 | #include "classfile/classLoaderData.hpp" |
nloodin@3681 | 33 | |
mgerdin@3619 | 34 | #include "prims/whitebox.hpp" |
nloodin@3681 | 35 | #include "prims/wbtestmethods/parserTests.hpp" |
nloodin@3681 | 36 | |
tschatzl@5701 | 37 | #include "runtime/arguments.hpp" |
mgerdin@3619 | 38 | #include "runtime/interfaceSupport.hpp" |
mgerdin@3619 | 39 | #include "runtime/os.hpp" |
stefank@6992 | 40 | #include "utilities/array.hpp" |
mgerdin@3619 | 41 | #include "utilities/debug.hpp" |
jprovino@4542 | 42 | #include "utilities/macros.hpp" |
mikael@5174 | 43 | #include "utilities/exceptions.hpp" |
mgerdin@3619 | 44 | |
jprovino@4542 | 45 | #if INCLUDE_ALL_GCS |
tschatzl@7071 | 46 | #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp" |
mgerdin@3619 | 47 | #include "gc_implementation/g1/concurrentMark.hpp" |
mgerdin@3619 | 48 | #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
mgerdin@3619 | 49 | #include "gc_implementation/g1/heapRegionRemSet.hpp" |
jprovino@4542 | 50 | #endif // INCLUDE_ALL_GCS |
mgerdin@3619 | 51 | |
zgu@7074 | 52 | #if INCLUDE_NMT |
zgu@7074 | 53 | #include "services/mallocSiteTable.hpp" |
ctornqvi@4512 | 54 | #include "services/memTracker.hpp" |
zgu@7074 | 55 | #include "utilities/nativeCallStack.hpp" |
ctornqvi@4512 | 56 | #endif // INCLUDE_NMT |
ctornqvi@4512 | 57 | |
iignatyev@4592 | 58 | #include "compiler/compileBroker.hpp" |
iklam@7381 | 59 | #include "jvmtifiles/jvmtiEnv.hpp" |
iignatyev@4908 | 60 | #include "runtime/compilationPolicy.hpp" |
iignatyev@4592 | 61 | |
drchase@6680 | 62 | PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
drchase@6680 | 63 | |
mgerdin@6078 | 64 | #define SIZE_T_MAX_VALUE ((size_t) -1) |
mgerdin@6078 | 65 | |
mgerdin@3619 | 66 | bool WhiteBox::_used = false; |
mgerdin@3619 | 67 | |
mgerdin@3619 | 68 | WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj)) |
mgerdin@3619 | 69 | return (jlong)(void*)JNIHandles::resolve(obj); |
mgerdin@3619 | 70 | WB_END |
mgerdin@3619 | 71 | |
mgerdin@3619 | 72 | WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o)) |
mgerdin@3619 | 73 | return heapOopSize; |
mgerdin@3619 | 74 | WB_END |
mgerdin@3619 | 75 | |
minqi@7779 | 76 | WB_ENTRY(jint, WB_GetVMPageSize(JNIEnv* env, jobject o)) |
minqi@7779 | 77 | return os::vm_page_size(); |
minqi@7779 | 78 | WB_END |
coleenp@4037 | 79 | |
tschatzl@7781 | 80 | WB_ENTRY(jlong, WB_GetVMLargePageSize(JNIEnv* env, jobject o)) |
tschatzl@7781 | 81 | return os::large_page_size(); |
tschatzl@7781 | 82 | WB_END |
tschatzl@7781 | 83 | |
coleenp@4037 | 84 | class WBIsKlassAliveClosure : public KlassClosure { |
coleenp@4037 | 85 | Symbol* _name; |
coleenp@4037 | 86 | bool _found; |
coleenp@4037 | 87 | public: |
coleenp@4037 | 88 | WBIsKlassAliveClosure(Symbol* name) : _name(name), _found(false) {} |
coleenp@4037 | 89 | |
coleenp@4037 | 90 | void do_klass(Klass* k) { |
coleenp@4037 | 91 | if (_found) return; |
coleenp@4037 | 92 | Symbol* ksym = k->name(); |
coleenp@4037 | 93 | if (ksym->fast_compare(_name) == 0) { |
coleenp@4037 | 94 | _found = true; |
coleenp@4037 | 95 | } |
coleenp@4037 | 96 | } |
coleenp@4037 | 97 | |
coleenp@4037 | 98 | bool found() const { |
coleenp@4037 | 99 | return _found; |
coleenp@4037 | 100 | } |
coleenp@4037 | 101 | }; |
coleenp@4037 | 102 | |
coleenp@4037 | 103 | WB_ENTRY(jboolean, WB_IsClassAlive(JNIEnv* env, jobject target, jstring name)) |
coleenp@4037 | 104 | Handle h_name = JNIHandles::resolve(name); |
coleenp@4037 | 105 | if (h_name.is_null()) return false; |
coleenp@4037 | 106 | Symbol* sym = java_lang_String::as_symbol(h_name, CHECK_false); |
coleenp@4037 | 107 | TempNewSymbol tsym(sym); // Make sure to decrement reference count on sym on return |
coleenp@4037 | 108 | |
coleenp@4037 | 109 | WBIsKlassAliveClosure closure(sym); |
coleenp@4037 | 110 | ClassLoaderDataGraph::classes_do(&closure); |
coleenp@4037 | 111 | |
coleenp@4037 | 112 | return closure.found(); |
coleenp@4037 | 113 | WB_END |
coleenp@4037 | 114 | |
iklam@7322 | 115 | WB_ENTRY(jboolean, WB_ClassKnownToNotExist(JNIEnv* env, jobject o, jobject loader, jstring name)) |
iklam@7322 | 116 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iklam@7322 | 117 | const char* class_name = env->GetStringUTFChars(name, NULL); |
iklam@7322 | 118 | jboolean result = JVM_KnownToNotExist(env, loader, class_name); |
iklam@7322 | 119 | env->ReleaseStringUTFChars(name, class_name); |
iklam@7322 | 120 | return result; |
iklam@7322 | 121 | WB_END |
iklam@7322 | 122 | |
iklam@7322 | 123 | WB_ENTRY(jobjectArray, WB_GetLookupCacheURLs(JNIEnv* env, jobject o, jobject loader)) |
iklam@7322 | 124 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iklam@7322 | 125 | return JVM_GetResourceLookupCacheURLs(env, loader); |
iklam@7322 | 126 | WB_END |
iklam@7322 | 127 | |
iklam@7322 | 128 | WB_ENTRY(jintArray, WB_GetLookupCacheMatches(JNIEnv* env, jobject o, jobject loader, jstring name)) |
iklam@7322 | 129 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iklam@7322 | 130 | const char* resource_name = env->GetStringUTFChars(name, NULL); |
iklam@7322 | 131 | jintArray result = JVM_GetResourceLookupCache(env, loader, resource_name); |
iklam@7322 | 132 | |
iklam@7322 | 133 | env->ReleaseStringUTFChars(name, resource_name); |
iklam@7322 | 134 | return result; |
iklam@7322 | 135 | WB_END |
iklam@7322 | 136 | |
iklam@7381 | 137 | WB_ENTRY(void, WB_AddToBootstrapClassLoaderSearch(JNIEnv* env, jobject o, jstring segment)) { |
iklam@7381 | 138 | #if INCLUDE_JVMTI |
iklam@7382 | 139 | ResourceMark rm; |
iklam@7382 | 140 | const char* seg = java_lang_String::as_utf8_string(JNIHandles::resolve_non_null(segment)); |
iklam@7381 | 141 | JvmtiEnv* jvmti_env = JvmtiEnv::create_a_jvmti(JVMTI_VERSION); |
iklam@7381 | 142 | jvmtiError err = jvmti_env->AddToBootstrapClassLoaderSearch(seg); |
iklam@7381 | 143 | assert(err == JVMTI_ERROR_NONE, "must not fail"); |
iklam@7381 | 144 | #endif |
iklam@7381 | 145 | } |
iklam@7381 | 146 | WB_END |
iklam@7381 | 147 | |
iklam@7381 | 148 | WB_ENTRY(void, WB_AddToSystemClassLoaderSearch(JNIEnv* env, jobject o, jstring segment)) { |
iklam@7381 | 149 | #if INCLUDE_JVMTI |
iklam@7382 | 150 | ResourceMark rm; |
iklam@7382 | 151 | const char* seg = java_lang_String::as_utf8_string(JNIHandles::resolve_non_null(segment)); |
iklam@7381 | 152 | JvmtiEnv* jvmti_env = JvmtiEnv::create_a_jvmti(JVMTI_VERSION); |
iklam@7381 | 153 | jvmtiError err = jvmti_env->AddToSystemClassLoaderSearch(seg); |
iklam@7381 | 154 | assert(err == JVMTI_ERROR_NONE, "must not fail"); |
iklam@7381 | 155 | #endif |
iklam@7381 | 156 | } |
iklam@7381 | 157 | WB_END |
iklam@7381 | 158 | |
iklam@7381 | 159 | |
tschatzl@5701 | 160 | WB_ENTRY(jlong, WB_GetCompressedOopsMaxHeapSize(JNIEnv* env, jobject o)) { |
tschatzl@5701 | 161 | return (jlong)Arguments::max_heap_for_compressed_oops(); |
tschatzl@5701 | 162 | } |
tschatzl@5701 | 163 | WB_END |
tschatzl@5701 | 164 | |
tschatzl@5073 | 165 | WB_ENTRY(void, WB_PrintHeapSizes(JNIEnv* env, jobject o)) { |
tschatzl@5073 | 166 | CollectorPolicy * p = Universe::heap()->collector_policy(); |
tschatzl@5073 | 167 | gclog_or_tty->print_cr("Minimum heap "SIZE_FORMAT" Initial heap " |
tschatzl@5073 | 168 | SIZE_FORMAT" Maximum heap "SIZE_FORMAT" Min alignment "SIZE_FORMAT" Max alignment "SIZE_FORMAT, |
tschatzl@5073 | 169 | p->min_heap_byte_size(), p->initial_heap_byte_size(), p->max_heap_byte_size(), |
jwilhelm@6085 | 170 | p->space_alignment(), p->heap_alignment()); |
tschatzl@5073 | 171 | } |
tschatzl@5073 | 172 | WB_END |
tschatzl@5073 | 173 | |
mgerdin@6078 | 174 | #ifndef PRODUCT |
mgerdin@6078 | 175 | // Forward declaration |
mgerdin@6078 | 176 | void TestReservedSpace_test(); |
mgerdin@6078 | 177 | void TestReserveMemorySpecial_test(); |
mgerdin@6078 | 178 | void TestVirtualSpace_test(); |
mgerdin@6078 | 179 | void TestMetaspaceAux_test(); |
mgerdin@6078 | 180 | #endif |
mgerdin@6078 | 181 | |
mgerdin@6078 | 182 | WB_ENTRY(void, WB_RunMemoryUnitTests(JNIEnv* env, jobject o)) |
mgerdin@6078 | 183 | #ifndef PRODUCT |
mgerdin@6078 | 184 | TestReservedSpace_test(); |
mgerdin@6078 | 185 | TestReserveMemorySpecial_test(); |
mgerdin@6078 | 186 | TestVirtualSpace_test(); |
mgerdin@6078 | 187 | TestMetaspaceAux_test(); |
mgerdin@6078 | 188 | #endif |
mgerdin@6078 | 189 | WB_END |
mgerdin@6078 | 190 | |
mgerdin@6078 | 191 | WB_ENTRY(void, WB_ReadFromNoaccessArea(JNIEnv* env, jobject o)) |
mgerdin@6078 | 192 | size_t granularity = os::vm_allocation_granularity(); |
mgerdin@6078 | 193 | ReservedHeapSpace rhs(100 * granularity, granularity, false, NULL); |
mgerdin@6078 | 194 | VirtualSpace vs; |
mgerdin@6078 | 195 | vs.initialize(rhs, 50 * granularity); |
mgerdin@6078 | 196 | |
mgerdin@6078 | 197 | //Check if constraints are complied |
mgerdin@6078 | 198 | if (!( UseCompressedOops && rhs.base() != NULL && |
mgerdin@6078 | 199 | Universe::narrow_oop_base() != NULL && |
mgerdin@6078 | 200 | Universe::narrow_oop_use_implicit_null_checks() )) { |
mgerdin@6078 | 201 | tty->print_cr("WB_ReadFromNoaccessArea method is useless:\n " |
mgerdin@6078 | 202 | "\tUseCompressedOops is %d\n" |
mgerdin@6078 | 203 | "\trhs.base() is "PTR_FORMAT"\n" |
mgerdin@6078 | 204 | "\tUniverse::narrow_oop_base() is "PTR_FORMAT"\n" |
mgerdin@6078 | 205 | "\tUniverse::narrow_oop_use_implicit_null_checks() is %d", |
mgerdin@6078 | 206 | UseCompressedOops, |
mgerdin@6078 | 207 | rhs.base(), |
mgerdin@6078 | 208 | Universe::narrow_oop_base(), |
mgerdin@6078 | 209 | Universe::narrow_oop_use_implicit_null_checks()); |
mgerdin@6078 | 210 | return; |
mgerdin@6078 | 211 | } |
mgerdin@6078 | 212 | tty->print_cr("Reading from no access area... "); |
mgerdin@6078 | 213 | tty->print_cr("*(vs.low_boundary() - rhs.noaccess_prefix() / 2 ) = %c", |
mgerdin@6078 | 214 | *(vs.low_boundary() - rhs.noaccess_prefix() / 2 )); |
mgerdin@6078 | 215 | WB_END |
mgerdin@6078 | 216 | |
mgerdin@6078 | 217 | static jint wb_stress_virtual_space_resize(size_t reserved_space_size, |
mgerdin@6078 | 218 | size_t magnitude, size_t iterations) { |
mgerdin@6078 | 219 | size_t granularity = os::vm_allocation_granularity(); |
mgerdin@6078 | 220 | ReservedHeapSpace rhs(reserved_space_size * granularity, granularity, false, NULL); |
mgerdin@6078 | 221 | VirtualSpace vs; |
mgerdin@6078 | 222 | if (!vs.initialize(rhs, 0)) { |
mgerdin@6078 | 223 | tty->print_cr("Failed to initialize VirtualSpace. Can't proceed."); |
mgerdin@6078 | 224 | return 3; |
mgerdin@6078 | 225 | } |
mgerdin@6078 | 226 | |
mgerdin@6078 | 227 | long seed = os::random(); |
mgerdin@6078 | 228 | tty->print_cr("Random seed is %ld", seed); |
mgerdin@6078 | 229 | os::init_random(seed); |
mgerdin@6078 | 230 | |
mgerdin@6078 | 231 | for (size_t i = 0; i < iterations; i++) { |
mgerdin@6078 | 232 | |
mgerdin@6078 | 233 | // Whether we will shrink or grow |
mgerdin@6078 | 234 | bool shrink = os::random() % 2L == 0; |
mgerdin@6078 | 235 | |
mgerdin@6078 | 236 | // Get random delta to resize virtual space |
mgerdin@6078 | 237 | size_t delta = (size_t)os::random() % magnitude; |
mgerdin@6078 | 238 | |
mgerdin@6078 | 239 | // If we are about to shrink virtual space below zero, then expand instead |
mgerdin@6078 | 240 | if (shrink && vs.committed_size() < delta) { |
mgerdin@6078 | 241 | shrink = false; |
mgerdin@6078 | 242 | } |
mgerdin@6078 | 243 | |
mgerdin@6078 | 244 | // Resizing by delta |
mgerdin@6078 | 245 | if (shrink) { |
mgerdin@6078 | 246 | vs.shrink_by(delta); |
mgerdin@6078 | 247 | } else { |
mgerdin@6078 | 248 | // If expanding fails expand_by will silently return false |
mgerdin@6078 | 249 | vs.expand_by(delta, true); |
mgerdin@6078 | 250 | } |
mgerdin@6078 | 251 | } |
mgerdin@6078 | 252 | return 0; |
mgerdin@6078 | 253 | } |
mgerdin@6078 | 254 | |
mgerdin@6078 | 255 | WB_ENTRY(jint, WB_StressVirtualSpaceResize(JNIEnv* env, jobject o, |
mgerdin@6078 | 256 | jlong reserved_space_size, jlong magnitude, jlong iterations)) |
mgerdin@6078 | 257 | tty->print_cr("reservedSpaceSize="JLONG_FORMAT", magnitude="JLONG_FORMAT", " |
mgerdin@6078 | 258 | "iterations="JLONG_FORMAT"\n", reserved_space_size, magnitude, |
mgerdin@6078 | 259 | iterations); |
mgerdin@6078 | 260 | if (reserved_space_size < 0 || magnitude < 0 || iterations < 0) { |
mgerdin@6078 | 261 | tty->print_cr("One of variables printed above is negative. Can't proceed.\n"); |
mgerdin@6078 | 262 | return 1; |
mgerdin@6078 | 263 | } |
mgerdin@6078 | 264 | |
mgerdin@6078 | 265 | // sizeof(size_t) depends on whether OS is 32bit or 64bit. sizeof(jlong) is |
mgerdin@6078 | 266 | // always 8 byte. That's why we should avoid overflow in case of 32bit platform. |
mgerdin@6078 | 267 | if (sizeof(size_t) < sizeof(jlong)) { |
mgerdin@6078 | 268 | jlong size_t_max_value = (jlong) SIZE_T_MAX_VALUE; |
mgerdin@6078 | 269 | if (reserved_space_size > size_t_max_value || magnitude > size_t_max_value |
mgerdin@6078 | 270 | || iterations > size_t_max_value) { |
mgerdin@6078 | 271 | tty->print_cr("One of variables printed above overflows size_t. Can't proceed.\n"); |
mgerdin@6078 | 272 | return 2; |
mgerdin@6078 | 273 | } |
mgerdin@6078 | 274 | } |
mgerdin@6078 | 275 | |
mgerdin@6078 | 276 | return wb_stress_virtual_space_resize((size_t) reserved_space_size, |
mgerdin@6078 | 277 | (size_t) magnitude, (size_t) iterations); |
mgerdin@6078 | 278 | WB_END |
mgerdin@6078 | 279 | |
tschatzl@7071 | 280 | WB_ENTRY(jboolean, WB_isObjectInOldGen(JNIEnv* env, jobject o, jobject obj)) |
tschatzl@7071 | 281 | oop p = JNIHandles::resolve(obj); |
tschatzl@7071 | 282 | #if INCLUDE_ALL_GCS |
tschatzl@7071 | 283 | if (UseG1GC) { |
tschatzl@7071 | 284 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
tschatzl@7071 | 285 | const HeapRegion* hr = g1->heap_region_containing(p); |
tschatzl@7071 | 286 | if (hr == NULL) { |
tschatzl@7071 | 287 | return false; |
tschatzl@7071 | 288 | } |
tschatzl@7071 | 289 | return !(hr->is_young()); |
tschatzl@7071 | 290 | } else if (UseParallelGC) { |
tschatzl@7071 | 291 | ParallelScavengeHeap* psh = ParallelScavengeHeap::heap(); |
tschatzl@7071 | 292 | return !psh->is_in_young(p); |
tschatzl@7071 | 293 | } |
tschatzl@7071 | 294 | #endif // INCLUDE_ALL_GCS |
tschatzl@7071 | 295 | GenCollectedHeap* gch = GenCollectedHeap::heap(); |
tschatzl@7071 | 296 | return !gch->is_in_young(p); |
tschatzl@7071 | 297 | WB_END |
tschatzl@7071 | 298 | |
tschatzl@7071 | 299 | WB_ENTRY(jlong, WB_GetObjectSize(JNIEnv* env, jobject o, jobject obj)) |
tschatzl@7071 | 300 | oop p = JNIHandles::resolve(obj); |
tschatzl@7071 | 301 | return p->size() * HeapWordSize; |
tschatzl@7071 | 302 | WB_END |
tschatzl@7071 | 303 | |
jprovino@4542 | 304 | #if INCLUDE_ALL_GCS |
mgerdin@3619 | 305 | WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj)) |
mgerdin@3619 | 306 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
mgerdin@3619 | 307 | oop result = JNIHandles::resolve(obj); |
mgerdin@3619 | 308 | const HeapRegion* hr = g1->heap_region_containing(result); |
mgerdin@3619 | 309 | return hr->isHumongous(); |
mgerdin@3619 | 310 | WB_END |
mgerdin@3619 | 311 | |
azakharov@7835 | 312 | WB_ENTRY(jlong, WB_G1NumMaxRegions(JNIEnv* env, jobject o)) |
azakharov@7835 | 313 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
azakharov@7835 | 314 | size_t nr = g1->max_regions(); |
azakharov@7835 | 315 | return (jlong)nr; |
azakharov@7835 | 316 | WB_END |
azakharov@7835 | 317 | |
mgerdin@3619 | 318 | WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o)) |
mgerdin@3619 | 319 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
tschatzl@7050 | 320 | size_t nr = g1->num_free_regions(); |
mgerdin@3619 | 321 | return (jlong)nr; |
mgerdin@3619 | 322 | WB_END |
mgerdin@3619 | 323 | |
mgerdin@3619 | 324 | WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o)) |
mgerdin@3619 | 325 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
mgerdin@3619 | 326 | ConcurrentMark* cm = g1->concurrent_mark(); |
mgerdin@3619 | 327 | return cm->concurrent_marking_in_progress(); |
mgerdin@3619 | 328 | WB_END |
mgerdin@3619 | 329 | |
mgerdin@3619 | 330 | WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o)) |
mgerdin@3619 | 331 | return (jint)HeapRegion::GrainBytes; |
mgerdin@3619 | 332 | WB_END |
azakharov@7835 | 333 | |
azakharov@7835 | 334 | WB_ENTRY(jobject, WB_G1AuxiliaryMemoryUsage(JNIEnv* env)) |
azakharov@7835 | 335 | ResourceMark rm(THREAD); |
azakharov@7835 | 336 | G1CollectedHeap* g1h = G1CollectedHeap::heap(); |
azakharov@7835 | 337 | MemoryUsage usage = g1h->get_auxiliary_data_memory_usage(); |
azakharov@7835 | 338 | Handle h = MemoryService::create_MemoryUsage_obj(usage, CHECK_NULL); |
azakharov@7835 | 339 | return JNIHandles::make_local(env, h()); |
azakharov@7835 | 340 | WB_END |
jprovino@4542 | 341 | #endif // INCLUDE_ALL_GCS |
mgerdin@3619 | 342 | |
cjplummer@5586 | 343 | #if INCLUDE_NMT |
ctornqvi@4512 | 344 | // Alloc memory using the test memory type so that we can use that to see if |
ctornqvi@4512 | 345 | // NMT picks it up correctly |
ctornqvi@4885 | 346 | WB_ENTRY(jlong, WB_NMTMalloc(JNIEnv* env, jobject o, jlong size)) |
ctornqvi@4885 | 347 | jlong addr = 0; |
ctornqvi@7344 | 348 | addr = (jlong)(uintptr_t)os::malloc(size, mtTest); |
zgu@7074 | 349 | return addr; |
zgu@7074 | 350 | WB_END |
ctornqvi@4512 | 351 | |
zgu@7074 | 352 | // Alloc memory with pseudo call stack. The test can create psudo malloc |
zgu@7074 | 353 | // allocation site to stress the malloc tracking. |
zgu@7074 | 354 | WB_ENTRY(jlong, WB_NMTMallocWithPseudoStack(JNIEnv* env, jobject o, jlong size, jint pseudo_stack)) |
zgu@7074 | 355 | address pc = (address)(size_t)pseudo_stack; |
zgu@7074 | 356 | NativeCallStack stack(&pc, 1); |
ctornqvi@7344 | 357 | return (jlong)(uintptr_t)os::malloc(size, mtTest, stack); |
ctornqvi@4512 | 358 | WB_END |
ctornqvi@4512 | 359 | |
ctornqvi@4512 | 360 | // Free the memory allocated by NMTAllocTest |
ctornqvi@4885 | 361 | WB_ENTRY(void, WB_NMTFree(JNIEnv* env, jobject o, jlong mem)) |
ctornqvi@4885 | 362 | os::free((void*)(uintptr_t)mem, mtTest); |
ctornqvi@4885 | 363 | WB_END |
ctornqvi@4512 | 364 | |
ctornqvi@4885 | 365 | WB_ENTRY(jlong, WB_NMTReserveMemory(JNIEnv* env, jobject o, jlong size)) |
ctornqvi@4885 | 366 | jlong addr = 0; |
ctornqvi@4885 | 367 | |
ctornqvi@4885 | 368 | addr = (jlong)(uintptr_t)os::reserve_memory(size); |
ctornqvi@4885 | 369 | MemTracker::record_virtual_memory_type((address)addr, mtTest); |
ctornqvi@4512 | 370 | |
ctornqvi@4885 | 371 | return addr; |
ctornqvi@4885 | 372 | WB_END |
ctornqvi@4512 | 373 | |
ctornqvi@4885 | 374 | |
ctornqvi@4885 | 375 | WB_ENTRY(void, WB_NMTCommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
dcubed@5255 | 376 | os::commit_memory((char *)(uintptr_t)addr, size, !ExecMem); |
ctornqvi@4885 | 377 | MemTracker::record_virtual_memory_type((address)(uintptr_t)addr, mtTest); |
ctornqvi@4885 | 378 | WB_END |
ctornqvi@4885 | 379 | |
ctornqvi@4885 | 380 | WB_ENTRY(void, WB_NMTUncommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
ctornqvi@4885 | 381 | os::uncommit_memory((char *)(uintptr_t)addr, size); |
ctornqvi@4885 | 382 | WB_END |
ctornqvi@4885 | 383 | |
ctornqvi@4885 | 384 | WB_ENTRY(void, WB_NMTReleaseMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
ctornqvi@4885 | 385 | os::release_memory((char *)(uintptr_t)addr, size); |
ctornqvi@4512 | 386 | WB_END |
ctornqvi@4512 | 387 | |
zgu@7074 | 388 | WB_ENTRY(jboolean, WB_NMTIsDetailSupported(JNIEnv* env)) |
zgu@7074 | 389 | return MemTracker::tracking_level() == NMT_detail; |
ctornqvi@4512 | 390 | WB_END |
ctornqvi@4512 | 391 | |
coleenp@7267 | 392 | WB_ENTRY(jboolean, WB_NMTChangeTrackingLevel(JNIEnv* env)) |
coleenp@7267 | 393 | // Test that we can downgrade NMT levels but not upgrade them. |
coleenp@7267 | 394 | if (MemTracker::tracking_level() == NMT_off) { |
coleenp@7267 | 395 | MemTracker::transition_to(NMT_off); |
coleenp@7267 | 396 | return MemTracker::tracking_level() == NMT_off; |
coleenp@7267 | 397 | } else { |
coleenp@7267 | 398 | assert(MemTracker::tracking_level() == NMT_detail, "Should start out as detail tracking"); |
coleenp@7267 | 399 | MemTracker::transition_to(NMT_summary); |
coleenp@7267 | 400 | assert(MemTracker::tracking_level() == NMT_summary, "Should be summary now"); |
zgu@7074 | 401 | |
coleenp@7267 | 402 | // Can't go to detail once NMT is set to summary. |
coleenp@7267 | 403 | MemTracker::transition_to(NMT_detail); |
coleenp@7267 | 404 | assert(MemTracker::tracking_level() == NMT_summary, "Should still be summary now"); |
coleenp@7267 | 405 | |
coleenp@7267 | 406 | // Shutdown sets tracking level to minimal. |
coleenp@7267 | 407 | MemTracker::shutdown(); |
coleenp@7267 | 408 | assert(MemTracker::tracking_level() == NMT_minimal, "Should be minimal now"); |
coleenp@7267 | 409 | |
coleenp@7267 | 410 | // Once the tracking level is minimal, we cannot increase to summary. |
coleenp@7267 | 411 | // The code ignores this request instead of asserting because if the malloc site |
coleenp@7267 | 412 | // table overflows in another thread, it tries to change the code to summary. |
coleenp@7267 | 413 | MemTracker::transition_to(NMT_summary); |
coleenp@7267 | 414 | assert(MemTracker::tracking_level() == NMT_minimal, "Should still be minimal now"); |
coleenp@7267 | 415 | |
coleenp@7267 | 416 | // Really can never go up to detail, verify that the code would never do this. |
coleenp@7267 | 417 | MemTracker::transition_to(NMT_detail); |
coleenp@7267 | 418 | assert(MemTracker::tracking_level() == NMT_minimal, "Should still be minimal now"); |
coleenp@7267 | 419 | return MemTracker::tracking_level() == NMT_minimal; |
coleenp@7267 | 420 | } |
coleenp@7267 | 421 | WB_END |
gtriantafill@7342 | 422 | |
gtriantafill@7342 | 423 | WB_ENTRY(jint, WB_NMTGetHashSize(JNIEnv* env, jobject o)) |
gtriantafill@7342 | 424 | int hash_size = MallocSiteTable::hash_buckets(); |
gtriantafill@7342 | 425 | assert(hash_size > 0, "NMT hash_size should be > 0"); |
gtriantafill@7342 | 426 | return (jint)hash_size; |
gtriantafill@7342 | 427 | WB_END |
ctornqvi@4512 | 428 | #endif // INCLUDE_NMT |
ctornqvi@4512 | 429 | |
iignatyev@4592 | 430 | static jmethodID reflected_method_to_jmid(JavaThread* thread, JNIEnv* env, jobject method) { |
iignatyev@4592 | 431 | assert(method != NULL, "method should not be null"); |
iignatyev@4592 | 432 | ThreadToNativeFromVM ttn(thread); |
iignatyev@4592 | 433 | return env->FromReflectedMethod(method); |
iignatyev@4592 | 434 | } |
iignatyev@4592 | 435 | |
iignatyev@4592 | 436 | WB_ENTRY(void, WB_DeoptimizeAll(JNIEnv* env, jobject o)) |
iignatyev@4592 | 437 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 438 | CodeCache::mark_all_nmethods_for_deoptimization(); |
iignatyev@4592 | 439 | VM_Deoptimize op; |
iignatyev@4592 | 440 | VMThread::execute(&op); |
iignatyev@4592 | 441 | WB_END |
iignatyev@4592 | 442 | |
iignatyev@5541 | 443 | WB_ENTRY(jint, WB_DeoptimizeMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
iignatyev@4592 | 444 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 445 | int result = 0; |
ccheung@6346 | 446 | CHECK_JNI_EXCEPTION_(env, result); |
iignatyev@4592 | 447 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 448 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 449 | if (is_osr) { |
thartmann@7325 | 450 | result += mh->mark_osr_nmethods(); |
thartmann@7325 | 451 | } else if (mh->code() != NULL) { |
thartmann@7325 | 452 | mh->code()->mark_for_deoptimization(); |
iignatyev@4592 | 453 | ++result; |
iignatyev@4592 | 454 | } |
iignatyev@4592 | 455 | result += CodeCache::mark_for_deoptimization(mh()); |
iignatyev@4592 | 456 | if (result > 0) { |
iignatyev@4592 | 457 | VM_Deoptimize op; |
iignatyev@4592 | 458 | VMThread::execute(&op); |
iignatyev@4592 | 459 | } |
iignatyev@4592 | 460 | return result; |
iignatyev@4592 | 461 | WB_END |
iignatyev@4592 | 462 | |
iignatyev@5541 | 463 | WB_ENTRY(jboolean, WB_IsMethodCompiled(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
iignatyev@4592 | 464 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 465 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4592 | 466 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 467 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 468 | nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); |
iignatyev@4592 | 469 | if (code == NULL) { |
iignatyev@4592 | 470 | return JNI_FALSE; |
iignatyev@4592 | 471 | } |
iignatyev@4592 | 472 | return (code->is_alive() && !code->is_marked_for_deoptimization()); |
iignatyev@4592 | 473 | WB_END |
iignatyev@4592 | 474 | |
iignatyev@5541 | 475 | WB_ENTRY(jboolean, WB_IsMethodCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr)) |
iignatyev@4592 | 476 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 477 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4592 | 478 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 479 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 480 | if (is_osr) { |
iignatyev@5541 | 481 | return CompilationPolicy::can_be_osr_compiled(mh, comp_level); |
iignatyev@5541 | 482 | } else { |
iignatyev@5541 | 483 | return CompilationPolicy::can_be_compiled(mh, comp_level); |
iignatyev@5541 | 484 | } |
iignatyev@4592 | 485 | WB_END |
iignatyev@4592 | 486 | |
iignatyev@4592 | 487 | WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobject method)) |
iignatyev@4592 | 488 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 489 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4592 | 490 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 491 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@4592 | 492 | return mh->queued_for_compilation(); |
iignatyev@4592 | 493 | WB_END |
iignatyev@4592 | 494 | |
iignatyev@5541 | 495 | WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
iignatyev@4592 | 496 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 497 | CHECK_JNI_EXCEPTION_(env, CompLevel_none); |
iignatyev@4592 | 498 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 499 | nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); |
iignatyev@4592 | 500 | return (code != NULL ? code->comp_level() : CompLevel_none); |
iignatyev@4592 | 501 | WB_END |
iignatyev@4592 | 502 | |
iignatyev@5541 | 503 | WB_ENTRY(void, WB_MakeMethodNotCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr)) |
iignatyev@4592 | 504 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 505 | CHECK_JNI_EXCEPTION(env); |
iignatyev@4592 | 506 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 507 | if (is_osr) { |
iignatyev@5541 | 508 | mh->set_not_osr_compilable(comp_level, true /* report */, "WhiteBox"); |
iignatyev@5541 | 509 | } else { |
iignatyev@5541 | 510 | mh->set_not_compilable(comp_level, true /* report */, "WhiteBox"); |
iignatyev@5541 | 511 | } |
iignatyev@5541 | 512 | WB_END |
iignatyev@5541 | 513 | |
iignatyev@5541 | 514 | WB_ENTRY(jint, WB_GetMethodEntryBci(JNIEnv* env, jobject o, jobject method)) |
iignatyev@5541 | 515 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 516 | CHECK_JNI_EXCEPTION_(env, InvocationEntryBci); |
iignatyev@5541 | 517 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 518 | nmethod* code = mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false); |
iignatyev@5541 | 519 | return (code != NULL && code->is_osr_method() ? code->osr_entry_bci() : InvocationEntryBci); |
iignatyev@4592 | 520 | WB_END |
iignatyev@4592 | 521 | |
iignatyev@4908 | 522 | WB_ENTRY(jboolean, WB_TestSetDontInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value)) |
iignatyev@4592 | 523 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 524 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4592 | 525 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@4592 | 526 | bool result = mh->dont_inline(); |
iignatyev@4592 | 527 | mh->set_dont_inline(value == JNI_TRUE); |
iignatyev@4592 | 528 | return result; |
iignatyev@4592 | 529 | WB_END |
iignatyev@4592 | 530 | |
iignatyev@5541 | 531 | WB_ENTRY(jint, WB_GetCompileQueueSize(JNIEnv* env, jobject o, jint comp_level)) |
iignatyev@5541 | 532 | if (comp_level == CompLevel_any) { |
iignatyev@5541 | 533 | return CompileBroker::queue_size(CompLevel_full_optimization) /* C2 */ + |
iignatyev@5541 | 534 | CompileBroker::queue_size(CompLevel_full_profile) /* C1 */; |
iignatyev@5541 | 535 | } else { |
iignatyev@5541 | 536 | return CompileBroker::queue_size(comp_level); |
iignatyev@5541 | 537 | } |
iignatyev@4592 | 538 | WB_END |
iignatyev@4592 | 539 | |
iignatyev@4908 | 540 | WB_ENTRY(jboolean, WB_TestSetForceInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value)) |
iignatyev@4908 | 541 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 542 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4908 | 543 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@4908 | 544 | bool result = mh->force_inline(); |
iignatyev@4908 | 545 | mh->set_force_inline(value == JNI_TRUE); |
iignatyev@4908 | 546 | return result; |
iignatyev@4908 | 547 | WB_END |
iignatyev@4908 | 548 | |
iignatyev@5541 | 549 | WB_ENTRY(jboolean, WB_EnqueueMethodForCompilation(JNIEnv* env, jobject o, jobject method, jint comp_level, jint bci)) |
iignatyev@4908 | 550 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 551 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4908 | 552 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 553 | nmethod* nm = CompileBroker::compile_method(mh, bci, comp_level, mh, mh->invocation_count(), "WhiteBox", THREAD); |
iignatyev@4908 | 554 | MutexLockerEx mu(Compile_lock); |
iignatyev@4908 | 555 | return (mh->queued_for_compilation() || nm != NULL); |
iignatyev@4908 | 556 | WB_END |
iignatyev@4908 | 557 | |
iignatyev@6610 | 558 | class VM_WhiteBoxOperation : public VM_Operation { |
iignatyev@6610 | 559 | public: |
iignatyev@6610 | 560 | VM_WhiteBoxOperation() { } |
iignatyev@6610 | 561 | VMOp_Type type() const { return VMOp_WhiteBoxOperation; } |
iignatyev@6610 | 562 | bool allow_nested_vm_operations() const { return true; } |
iignatyev@6610 | 563 | }; |
iignatyev@6610 | 564 | |
iignatyev@6610 | 565 | class AlwaysFalseClosure : public BoolObjectClosure { |
iignatyev@6610 | 566 | public: |
iignatyev@6610 | 567 | bool do_object_b(oop p) { return false; } |
iignatyev@6610 | 568 | }; |
iignatyev@6610 | 569 | |
iignatyev@6610 | 570 | static AlwaysFalseClosure always_false; |
iignatyev@6610 | 571 | |
iignatyev@6610 | 572 | class VM_WhiteBoxCleanMethodData : public VM_WhiteBoxOperation { |
iignatyev@6610 | 573 | public: |
iignatyev@6610 | 574 | VM_WhiteBoxCleanMethodData(MethodData* mdo) : _mdo(mdo) { } |
iignatyev@6610 | 575 | void doit() { |
iignatyev@6610 | 576 | _mdo->clean_method_data(&always_false); |
iignatyev@6610 | 577 | } |
iignatyev@6610 | 578 | private: |
iignatyev@6610 | 579 | MethodData* _mdo; |
iignatyev@6610 | 580 | }; |
iignatyev@6610 | 581 | |
iignatyev@4908 | 582 | WB_ENTRY(void, WB_ClearMethodState(JNIEnv* env, jobject o, jobject method)) |
iignatyev@4908 | 583 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 584 | CHECK_JNI_EXCEPTION(env); |
iignatyev@4908 | 585 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@4908 | 586 | MutexLockerEx mu(Compile_lock); |
iignatyev@4908 | 587 | MethodData* mdo = mh->method_data(); |
jiangli@4938 | 588 | MethodCounters* mcs = mh->method_counters(); |
iignatyev@4908 | 589 | |
iignatyev@4908 | 590 | if (mdo != NULL) { |
iignatyev@4908 | 591 | mdo->init(); |
iignatyev@4908 | 592 | ResourceMark rm; |
iignatyev@4908 | 593 | int arg_count = mdo->method()->size_of_parameters(); |
iignatyev@4908 | 594 | for (int i = 0; i < arg_count; i++) { |
iignatyev@4908 | 595 | mdo->set_arg_modified(i, 0); |
iignatyev@4908 | 596 | } |
iignatyev@6610 | 597 | VM_WhiteBoxCleanMethodData op(mdo); |
iignatyev@6610 | 598 | VMThread::execute(&op); |
iignatyev@4908 | 599 | } |
iignatyev@4908 | 600 | |
iignatyev@4908 | 601 | mh->clear_not_c1_compilable(); |
iignatyev@4908 | 602 | mh->clear_not_c2_compilable(); |
iignatyev@4908 | 603 | mh->clear_not_c2_osr_compilable(); |
iignatyev@4908 | 604 | NOT_PRODUCT(mh->set_compiled_invocation_count(0)); |
jiangli@4938 | 605 | if (mcs != NULL) { |
jiangli@4938 | 606 | mcs->backedge_counter()->init(); |
jiangli@4938 | 607 | mcs->invocation_counter()->init(); |
jiangli@4938 | 608 | mcs->set_interpreter_invocation_count(0); |
jiangli@4938 | 609 | mcs->set_interpreter_throwout_count(0); |
iignatyev@4908 | 610 | |
iignatyev@4908 | 611 | #ifdef TIERED |
jiangli@4938 | 612 | mcs->set_rate(0.0F); |
vlivanov@7179 | 613 | mh->set_prev_event_count(0); |
vlivanov@7179 | 614 | mh->set_prev_time(0); |
iignatyev@4908 | 615 | #endif |
jiangli@4938 | 616 | } |
iignatyev@4908 | 617 | WB_END |
iignatyev@4908 | 618 | |
iignatyev@6963 | 619 | template <typename T> |
iignatyev@6963 | 620 | static bool GetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAt)(const char*, T*)) { |
iignatyev@6963 | 621 | if (name == NULL) { |
iignatyev@6963 | 622 | return false; |
iignatyev@6963 | 623 | } |
iignatyev@6963 | 624 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 625 | const char* flag_name = env->GetStringUTFChars(name, NULL); |
iignatyev@6963 | 626 | bool result = (*TAt)(flag_name, value); |
iignatyev@6963 | 627 | env->ReleaseStringUTFChars(name, flag_name); |
iignatyev@6963 | 628 | return result; |
iignatyev@6963 | 629 | } |
iignatyev@6963 | 630 | |
iignatyev@6963 | 631 | template <typename T> |
iignatyev@6963 | 632 | static bool SetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAtPut)(const char*, T*, Flag::Flags)) { |
iignatyev@6963 | 633 | if (name == NULL) { |
iignatyev@6963 | 634 | return false; |
iignatyev@6963 | 635 | } |
iignatyev@6963 | 636 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 637 | const char* flag_name = env->GetStringUTFChars(name, NULL); |
iignatyev@6963 | 638 | bool result = (*TAtPut)(flag_name, value, Flag::INTERNAL); |
iignatyev@6963 | 639 | env->ReleaseStringUTFChars(name, flag_name); |
iignatyev@6963 | 640 | return result; |
iignatyev@6963 | 641 | } |
iignatyev@6963 | 642 | |
iignatyev@6963 | 643 | template <typename T> |
iignatyev@6963 | 644 | static jobject box(JavaThread* thread, JNIEnv* env, Symbol* name, Symbol* sig, T value) { |
iignatyev@6963 | 645 | ResourceMark rm(thread); |
iignatyev@6963 | 646 | jclass clazz = env->FindClass(name->as_C_string()); |
iignatyev@6963 | 647 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6963 | 648 | jmethodID methodID = env->GetStaticMethodID(clazz, |
iignatyev@6963 | 649 | vmSymbols::valueOf_name()->as_C_string(), |
iignatyev@6963 | 650 | sig->as_C_string()); |
iignatyev@6963 | 651 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6963 | 652 | jobject result = env->CallStaticObjectMethod(clazz, methodID, value); |
iignatyev@6963 | 653 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6963 | 654 | return result; |
iignatyev@6963 | 655 | } |
iignatyev@6963 | 656 | |
iignatyev@6963 | 657 | static jobject booleanBox(JavaThread* thread, JNIEnv* env, jboolean value) { |
iignatyev@6963 | 658 | return box(thread, env, vmSymbols::java_lang_Boolean(), vmSymbols::Boolean_valueOf_signature(), value); |
iignatyev@6963 | 659 | } |
iignatyev@6963 | 660 | static jobject integerBox(JavaThread* thread, JNIEnv* env, jint value) { |
iignatyev@6963 | 661 | return box(thread, env, vmSymbols::java_lang_Integer(), vmSymbols::Integer_valueOf_signature(), value); |
iignatyev@6963 | 662 | } |
iignatyev@6963 | 663 | static jobject longBox(JavaThread* thread, JNIEnv* env, jlong value) { |
iignatyev@6963 | 664 | return box(thread, env, vmSymbols::java_lang_Long(), vmSymbols::Long_valueOf_signature(), value); |
iignatyev@6963 | 665 | } |
iignatyev@6963 | 666 | /* static jobject floatBox(JavaThread* thread, JNIEnv* env, jfloat value) { |
iignatyev@6963 | 667 | return box(thread, env, vmSymbols::java_lang_Float(), vmSymbols::Float_valueOf_signature(), value); |
iignatyev@6963 | 668 | }*/ |
iignatyev@6963 | 669 | static jobject doubleBox(JavaThread* thread, JNIEnv* env, jdouble value) { |
iignatyev@6963 | 670 | return box(thread, env, vmSymbols::java_lang_Double(), vmSymbols::Double_valueOf_signature(), value); |
iignatyev@6963 | 671 | } |
iignatyev@6963 | 672 | |
iignatyev@6963 | 673 | WB_ENTRY(jobject, WB_GetBooleanVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 674 | bool result; |
iignatyev@6963 | 675 | if (GetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAt)) { |
iignatyev@6963 | 676 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 677 | return booleanBox(thread, env, result); |
iignatyev@6963 | 678 | } |
iignatyev@6963 | 679 | return NULL; |
iignatyev@6963 | 680 | WB_END |
iignatyev@6963 | 681 | |
iignatyev@6963 | 682 | WB_ENTRY(jobject, WB_GetIntxVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 683 | intx result; |
iignatyev@6963 | 684 | if (GetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAt)) { |
iignatyev@6963 | 685 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 686 | return longBox(thread, env, result); |
iignatyev@6963 | 687 | } |
iignatyev@6963 | 688 | return NULL; |
iignatyev@6963 | 689 | WB_END |
iignatyev@6963 | 690 | |
iignatyev@6963 | 691 | WB_ENTRY(jobject, WB_GetUintxVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 692 | uintx result; |
iignatyev@6963 | 693 | if (GetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAt)) { |
iignatyev@6963 | 694 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 695 | return longBox(thread, env, result); |
iignatyev@6963 | 696 | } |
iignatyev@6963 | 697 | return NULL; |
iignatyev@6963 | 698 | WB_END |
iignatyev@6963 | 699 | |
iignatyev@6963 | 700 | WB_ENTRY(jobject, WB_GetUint64VMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 701 | uint64_t result; |
iignatyev@6963 | 702 | if (GetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAt)) { |
iignatyev@6963 | 703 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 704 | return longBox(thread, env, result); |
iignatyev@6963 | 705 | } |
iignatyev@6963 | 706 | return NULL; |
iignatyev@6963 | 707 | WB_END |
iignatyev@6963 | 708 | |
iignatyev@6963 | 709 | WB_ENTRY(jobject, WB_GetDoubleVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 710 | double result; |
iignatyev@6963 | 711 | if (GetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAt)) { |
iignatyev@6963 | 712 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 713 | return doubleBox(thread, env, result); |
iignatyev@6963 | 714 | } |
iignatyev@6963 | 715 | return NULL; |
iignatyev@6963 | 716 | WB_END |
iignatyev@6963 | 717 | |
iignatyev@6963 | 718 | WB_ENTRY(jstring, WB_GetStringVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 719 | ccstr ccstrResult; |
iignatyev@6963 | 720 | if (GetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAt)) { |
iignatyev@6963 | 721 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 722 | jstring result = env->NewStringUTF(ccstrResult); |
iignatyev@6963 | 723 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6963 | 724 | return result; |
iignatyev@6963 | 725 | } |
iignatyev@6963 | 726 | return NULL; |
iignatyev@6963 | 727 | WB_END |
iignatyev@6963 | 728 | |
iignatyev@6963 | 729 | WB_ENTRY(void, WB_SetBooleanVMFlag(JNIEnv* env, jobject o, jstring name, jboolean value)) |
iignatyev@6963 | 730 | bool result = value == JNI_TRUE ? true : false; |
iignatyev@6963 | 731 | SetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAtPut); |
iignatyev@6963 | 732 | WB_END |
iignatyev@6963 | 733 | |
iignatyev@6963 | 734 | WB_ENTRY(void, WB_SetIntxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) |
iignatyev@6963 | 735 | intx result = value; |
iignatyev@6963 | 736 | SetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAtPut); |
iignatyev@6963 | 737 | WB_END |
iignatyev@6963 | 738 | |
iignatyev@6963 | 739 | WB_ENTRY(void, WB_SetUintxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) |
iignatyev@6963 | 740 | uintx result = value; |
iignatyev@6963 | 741 | SetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAtPut); |
iignatyev@6963 | 742 | WB_END |
iignatyev@6963 | 743 | |
iignatyev@6963 | 744 | WB_ENTRY(void, WB_SetUint64VMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) |
iignatyev@6963 | 745 | uint64_t result = value; |
iignatyev@6963 | 746 | SetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAtPut); |
iignatyev@6963 | 747 | WB_END |
iignatyev@6963 | 748 | |
iignatyev@6963 | 749 | WB_ENTRY(void, WB_SetDoubleVMFlag(JNIEnv* env, jobject o, jstring name, jdouble value)) |
iignatyev@6963 | 750 | double result = value; |
iignatyev@6963 | 751 | SetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAtPut); |
iignatyev@6963 | 752 | WB_END |
iignatyev@6963 | 753 | |
iignatyev@6963 | 754 | WB_ENTRY(void, WB_SetStringVMFlag(JNIEnv* env, jobject o, jstring name, jstring value)) |
iignatyev@6963 | 755 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 756 | const char* ccstrValue = (value == NULL) ? NULL : env->GetStringUTFChars(value, NULL); |
iignatyev@6963 | 757 | ccstr ccstrResult = ccstrValue; |
iignatyev@6963 | 758 | bool needFree; |
iignatyev@6963 | 759 | { |
iignatyev@6963 | 760 | ThreadInVMfromNative ttvfn(thread); // back to VM |
iignatyev@6963 | 761 | needFree = SetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAtPut); |
iignatyev@6963 | 762 | } |
iignatyev@6963 | 763 | if (value != NULL) { |
iignatyev@6963 | 764 | env->ReleaseStringUTFChars(value, ccstrValue); |
iignatyev@6963 | 765 | } |
iignatyev@6963 | 766 | if (needFree) { |
iignatyev@6963 | 767 | FREE_C_HEAP_ARRAY(char, ccstrResult, mtInternal); |
iignatyev@6963 | 768 | } |
iignatyev@6963 | 769 | WB_END |
iignatyev@6963 | 770 | |
iignatyev@6963 | 771 | |
mgerdin@4850 | 772 | WB_ENTRY(jboolean, WB_IsInStringTable(JNIEnv* env, jobject o, jstring javaString)) |
mgerdin@4850 | 773 | ResourceMark rm(THREAD); |
mgerdin@4850 | 774 | int len; |
hseigel@4987 | 775 | jchar* name = java_lang_String::as_unicode_string(JNIHandles::resolve(javaString), len, CHECK_false); |
hseigel@4987 | 776 | return (StringTable::lookup(name, len) != NULL); |
mgerdin@4850 | 777 | WB_END |
mgerdin@4850 | 778 | |
mgerdin@4850 | 779 | WB_ENTRY(void, WB_FullGC(JNIEnv* env, jobject o)) |
mgerdin@4850 | 780 | Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(true); |
mgerdin@4850 | 781 | Universe::heap()->collect(GCCause::_last_ditch_collection); |
sjohanss@7165 | 782 | #if INCLUDE_ALL_GCS |
sjohanss@7165 | 783 | if (UseG1GC) { |
sjohanss@7165 | 784 | // Needs to be cleared explicitly for G1 |
sjohanss@7165 | 785 | Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(false); |
sjohanss@7165 | 786 | } |
sjohanss@7165 | 787 | #endif // INCLUDE_ALL_GCS |
mgerdin@4850 | 788 | WB_END |
mgerdin@4850 | 789 | |
tschatzl@7071 | 790 | WB_ENTRY(void, WB_YoungGC(JNIEnv* env, jobject o)) |
tschatzl@7071 | 791 | Universe::heap()->collect(GCCause::_wb_young_gc); |
tschatzl@7071 | 792 | WB_END |
mikael@4989 | 793 | |
mikael@5174 | 794 | WB_ENTRY(void, WB_ReadReservedMemory(JNIEnv* env, jobject o)) |
mikael@5174 | 795 | // static+volatile in order to force the read to happen |
mikael@5174 | 796 | // (not be eliminated by the compiler) |
mikael@5174 | 797 | static char c; |
mikael@5174 | 798 | static volatile char* p; |
mikael@5174 | 799 | |
mikael@5174 | 800 | p = os::reserve_memory(os::vm_allocation_granularity(), NULL, 0); |
mikael@5174 | 801 | if (p == NULL) { |
mikael@5174 | 802 | THROW_MSG(vmSymbols::java_lang_OutOfMemoryError(), "Failed to reserve memory"); |
mikael@5174 | 803 | } |
mikael@5174 | 804 | |
mikael@5174 | 805 | c = *p; |
mikael@4989 | 806 | WB_END |
mikael@4989 | 807 | |
iignatyev@6427 | 808 | WB_ENTRY(jstring, WB_GetCPUFeatures(JNIEnv* env, jobject o)) |
iignatyev@6427 | 809 | const char* cpu_features = VM_Version::cpu_features(); |
iignatyev@6427 | 810 | ThreadToNativeFromVM ttn(thread); |
iignatyev@6427 | 811 | jstring features_string = env->NewStringUTF(cpu_features); |
iignatyev@6427 | 812 | |
iignatyev@6427 | 813 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6427 | 814 | |
iignatyev@6427 | 815 | return features_string; |
iignatyev@6427 | 816 | WB_END |
iignatyev@6427 | 817 | |
iignatyev@6525 | 818 | |
iignatyev@6525 | 819 | WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
iignatyev@6525 | 820 | ResourceMark rm(THREAD); |
iignatyev@6525 | 821 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
iignatyev@6525 | 822 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6525 | 823 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@6525 | 824 | nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); |
iignatyev@6525 | 825 | jobjectArray result = NULL; |
iignatyev@6525 | 826 | if (code == NULL) { |
iignatyev@6525 | 827 | return result; |
iignatyev@6525 | 828 | } |
iignatyev@6525 | 829 | int insts_size = code->insts_size(); |
iignatyev@6525 | 830 | |
iignatyev@6525 | 831 | ThreadToNativeFromVM ttn(thread); |
iignatyev@6525 | 832 | jclass clazz = env->FindClass(vmSymbols::java_lang_Object()->as_C_string()); |
iignatyev@6525 | 833 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6525 | 834 | result = env->NewObjectArray(2, clazz, NULL); |
iignatyev@6525 | 835 | if (result == NULL) { |
iignatyev@6525 | 836 | return result; |
iignatyev@6525 | 837 | } |
iignatyev@6525 | 838 | |
iignatyev@6963 | 839 | jobject obj = integerBox(thread, env, code->comp_level()); |
iignatyev@6525 | 840 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6525 | 841 | env->SetObjectArrayElement(result, 0, obj); |
iignatyev@6525 | 842 | |
iignatyev@6525 | 843 | jbyteArray insts = env->NewByteArray(insts_size); |
iignatyev@6525 | 844 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6525 | 845 | env->SetByteArrayRegion(insts, 0, insts_size, (jbyte*) code->insts_begin()); |
iignatyev@6525 | 846 | env->SetObjectArrayElement(result, 1, insts); |
iignatyev@6525 | 847 | |
iignatyev@6525 | 848 | return result; |
iignatyev@6525 | 849 | WB_END |
iignatyev@6525 | 850 | |
iignatyev@6525 | 851 | |
stefank@6992 | 852 | int WhiteBox::array_bytes_to_length(size_t bytes) { |
stefank@6992 | 853 | return Array<u1>::bytes_to_length(bytes); |
stefank@6992 | 854 | } |
stefank@6992 | 855 | |
stefank@6992 | 856 | WB_ENTRY(jlong, WB_AllocateMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong size)) |
stefank@6992 | 857 | if (size < 0) { |
stefank@6992 | 858 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
stefank@6992 | 859 | err_msg("WB_AllocateMetaspace: size is negative: " JLONG_FORMAT, size)); |
stefank@6992 | 860 | } |
stefank@6992 | 861 | |
stefank@6992 | 862 | oop class_loader_oop = JNIHandles::resolve(class_loader); |
stefank@6992 | 863 | ClassLoaderData* cld = class_loader_oop != NULL |
stefank@6992 | 864 | ? java_lang_ClassLoader::loader_data(class_loader_oop) |
stefank@6992 | 865 | : ClassLoaderData::the_null_class_loader_data(); |
stefank@6992 | 866 | |
stefank@6992 | 867 | void* metadata = MetadataFactory::new_writeable_array<u1>(cld, WhiteBox::array_bytes_to_length((size_t)size), thread); |
stefank@6992 | 868 | |
stefank@6992 | 869 | return (jlong)(uintptr_t)metadata; |
stefank@6992 | 870 | WB_END |
stefank@6992 | 871 | |
stefank@6992 | 872 | WB_ENTRY(void, WB_FreeMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong addr, jlong size)) |
stefank@6992 | 873 | oop class_loader_oop = JNIHandles::resolve(class_loader); |
stefank@6992 | 874 | ClassLoaderData* cld = class_loader_oop != NULL |
stefank@6992 | 875 | ? java_lang_ClassLoader::loader_data(class_loader_oop) |
stefank@6992 | 876 | : ClassLoaderData::the_null_class_loader_data(); |
stefank@6992 | 877 | |
stefank@6992 | 878 | MetadataFactory::free_array(cld, (Array<u1>*)(uintptr_t)addr); |
stefank@6992 | 879 | WB_END |
stefank@6992 | 880 | |
ehelin@7254 | 881 | WB_ENTRY(jlong, WB_IncMetaspaceCapacityUntilGC(JNIEnv* env, jobject wb, jlong inc)) |
ehelin@7254 | 882 | if (inc < 0) { |
ehelin@7254 | 883 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
ehelin@7254 | 884 | err_msg("WB_IncMetaspaceCapacityUntilGC: inc is negative: " JLONG_FORMAT, inc)); |
ehelin@7254 | 885 | } |
ehelin@7254 | 886 | |
ehelin@7254 | 887 | jlong max_size_t = (jlong) ((size_t) -1); |
ehelin@7254 | 888 | if (inc > max_size_t) { |
ehelin@7254 | 889 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
ehelin@7254 | 890 | err_msg("WB_IncMetaspaceCapacityUntilGC: inc does not fit in size_t: " JLONG_FORMAT, inc)); |
ehelin@7254 | 891 | } |
ehelin@7254 | 892 | |
ehelin@7254 | 893 | size_t new_cap_until_GC = 0; |
ehelin@7254 | 894 | size_t aligned_inc = align_size_down((size_t) inc, Metaspace::commit_alignment()); |
ehelin@7254 | 895 | bool success = MetaspaceGC::inc_capacity_until_GC(aligned_inc, &new_cap_until_GC); |
ehelin@7254 | 896 | if (!success) { |
ehelin@7254 | 897 | THROW_MSG_0(vmSymbols::java_lang_IllegalStateException(), |
ehelin@7254 | 898 | "WB_IncMetaspaceCapacityUntilGC: could not increase capacity until GC " |
ehelin@7254 | 899 | "due to contention with another thread"); |
ehelin@7254 | 900 | } |
ehelin@7254 | 901 | return (jlong) new_cap_until_GC; |
ehelin@7254 | 902 | WB_END |
ehelin@7254 | 903 | |
ehelin@7254 | 904 | WB_ENTRY(jlong, WB_MetaspaceCapacityUntilGC(JNIEnv* env, jobject wb)) |
ehelin@7254 | 905 | return (jlong) MetaspaceGC::capacity_until_GC(); |
ehelin@7254 | 906 | WB_END |
ehelin@7254 | 907 | |
bmoloden@7797 | 908 | WB_ENTRY(jboolean, WB_IsMonitorInflated(JNIEnv* env, jobject wb, jobject obj)) |
bmoloden@7797 | 909 | oop obj_oop = JNIHandles::resolve(obj); |
bmoloden@7797 | 910 | return (jboolean) obj_oop->mark()->has_monitor(); |
bmoloden@7797 | 911 | WB_END |
bmoloden@7797 | 912 | |
bmoloden@7797 | 913 | WB_ENTRY(void, WB_ForceSafepoint(JNIEnv* env, jobject wb)) |
bmoloden@7797 | 914 | VM_ForceSafepoint force_safepoint_op; |
bmoloden@7797 | 915 | VMThread::execute(&force_safepoint_op); |
bmoloden@7797 | 916 | WB_END |
bmoloden@7797 | 917 | |
nloodin@3681 | 918 | //Some convenience methods to deal with objects from java |
nloodin@3681 | 919 | int WhiteBox::offset_for_field(const char* field_name, oop object, |
nloodin@3681 | 920 | Symbol* signature_symbol) { |
nloodin@3681 | 921 | assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid"); |
nloodin@3681 | 922 | Thread* THREAD = Thread::current(); |
nloodin@3681 | 923 | |
nloodin@3681 | 924 | //Get the class of our object |
coleenp@4037 | 925 | Klass* arg_klass = object->klass(); |
nloodin@3681 | 926 | //Turn it into an instance-klass |
coleenp@4037 | 927 | InstanceKlass* ik = InstanceKlass::cast(arg_klass); |
nloodin@3681 | 928 | |
nloodin@3681 | 929 | //Create symbols to look for in the class |
nloodin@3681 | 930 | TempNewSymbol name_symbol = SymbolTable::lookup(field_name, (int) strlen(field_name), |
nloodin@3681 | 931 | THREAD); |
nloodin@3681 | 932 | |
nloodin@3681 | 933 | //To be filled in with an offset of the field we're looking for |
nloodin@3681 | 934 | fieldDescriptor fd; |
nloodin@3681 | 935 | |
coleenp@4037 | 936 | Klass* res = ik->find_field(name_symbol, signature_symbol, &fd); |
nloodin@3681 | 937 | if (res == NULL) { |
nloodin@3681 | 938 | tty->print_cr("Invalid layout of %s at %s", ik->external_name(), |
nloodin@3681 | 939 | name_symbol->as_C_string()); |
dbuck@7788 | 940 | vm_exit_during_initialization("Invalid layout of preloaded class: use -XX:+TraceClassLoading to see the origin of the problem class"); |
nloodin@3681 | 941 | } |
nloodin@3681 | 942 | |
nloodin@3681 | 943 | //fetch the field at the offset we've found |
nloodin@3681 | 944 | int dest_offset = fd.offset(); |
nloodin@3681 | 945 | |
nloodin@3681 | 946 | return dest_offset; |
nloodin@3681 | 947 | } |
nloodin@3681 | 948 | |
nloodin@3681 | 949 | |
nloodin@3681 | 950 | const char* WhiteBox::lookup_jstring(const char* field_name, oop object) { |
nloodin@3681 | 951 | int offset = offset_for_field(field_name, object, |
nloodin@3681 | 952 | vmSymbols::string_signature()); |
nloodin@3681 | 953 | oop string = object->obj_field(offset); |
sla@3905 | 954 | if (string == NULL) { |
sla@3905 | 955 | return NULL; |
sla@3905 | 956 | } |
nloodin@3681 | 957 | const char* ret = java_lang_String::as_utf8_string(string); |
nloodin@3681 | 958 | return ret; |
nloodin@3681 | 959 | } |
nloodin@3681 | 960 | |
nloodin@3681 | 961 | bool WhiteBox::lookup_bool(const char* field_name, oop object) { |
nloodin@3681 | 962 | int offset = |
nloodin@3681 | 963 | offset_for_field(field_name, object, vmSymbols::bool_signature()); |
nloodin@3681 | 964 | bool ret = (object->bool_field(offset) == JNI_TRUE); |
nloodin@3681 | 965 | return ret; |
nloodin@3681 | 966 | } |
nloodin@3681 | 967 | |
sjohanss@7165 | 968 | void WhiteBox::register_methods(JNIEnv* env, jclass wbclass, JavaThread* thread, JNINativeMethod* method_array, int method_count) { |
sjohanss@7165 | 969 | ResourceMark rm; |
sjohanss@7165 | 970 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
sjohanss@7165 | 971 | |
sjohanss@7165 | 972 | // one by one registration natives for exception catching |
sjohanss@7165 | 973 | jclass no_such_method_error_klass = env->FindClass(vmSymbols::java_lang_NoSuchMethodError()->as_C_string()); |
sjohanss@7165 | 974 | CHECK_JNI_EXCEPTION(env); |
sjohanss@7165 | 975 | for (int i = 0, n = method_count; i < n; ++i) { |
sjohanss@7165 | 976 | // Skip dummy entries |
sjohanss@7165 | 977 | if (method_array[i].fnPtr == NULL) continue; |
sjohanss@7165 | 978 | if (env->RegisterNatives(wbclass, &method_array[i], 1) != 0) { |
sjohanss@7165 | 979 | jthrowable throwable_obj = env->ExceptionOccurred(); |
sjohanss@7165 | 980 | if (throwable_obj != NULL) { |
sjohanss@7165 | 981 | env->ExceptionClear(); |
sjohanss@7165 | 982 | if (env->IsInstanceOf(throwable_obj, no_such_method_error_klass)) { |
sjohanss@7165 | 983 | // NoSuchMethodError is thrown when a method can't be found or a method is not native. |
sjohanss@7165 | 984 | // Ignoring the exception since it is not preventing use of other WhiteBox methods. |
sjohanss@7165 | 985 | tty->print_cr("Warning: 'NoSuchMethodError' on register of sun.hotspot.WhiteBox::%s%s", |
sjohanss@7165 | 986 | method_array[i].name, method_array[i].signature); |
sjohanss@7165 | 987 | } |
sjohanss@7165 | 988 | } else { |
sjohanss@7165 | 989 | // Registration failed unexpectedly. |
sjohanss@7165 | 990 | tty->print_cr("Warning: unexpected error on register of sun.hotspot.WhiteBox::%s%s. All methods will be unregistered", |
sjohanss@7165 | 991 | method_array[i].name, method_array[i].signature); |
sjohanss@7165 | 992 | env->UnregisterNatives(wbclass); |
sjohanss@7165 | 993 | break; |
sjohanss@7165 | 994 | } |
sjohanss@7165 | 995 | } |
sjohanss@7165 | 996 | } |
sjohanss@7165 | 997 | } |
nloodin@3681 | 998 | |
mgerdin@3619 | 999 | #define CC (char*) |
mgerdin@3619 | 1000 | |
mgerdin@3619 | 1001 | static JNINativeMethod methods[] = { |
mgerdin@3619 | 1002 | {CC"getObjectAddress", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress }, |
tschatzl@7071 | 1003 | {CC"getObjectSize", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectSize }, |
tschatzl@7071 | 1004 | {CC"isObjectInOldGen", CC"(Ljava/lang/Object;)Z", (void*)&WB_isObjectInOldGen }, |
mgerdin@3619 | 1005 | {CC"getHeapOopSize", CC"()I", (void*)&WB_GetHeapOopSize }, |
minqi@7779 | 1006 | {CC"getVMPageSize", CC"()I", (void*)&WB_GetVMPageSize }, |
tschatzl@7781 | 1007 | {CC"getVMLargePageSize", CC"()J", (void*)&WB_GetVMLargePageSize}, |
iignatyev@4592 | 1008 | {CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive }, |
iklam@7322 | 1009 | {CC"classKnownToNotExist", |
iklam@7322 | 1010 | CC"(Ljava/lang/ClassLoader;Ljava/lang/String;)Z",(void*)&WB_ClassKnownToNotExist}, |
iklam@7322 | 1011 | {CC"getLookupCacheURLs", CC"(Ljava/lang/ClassLoader;)[Ljava/net/URL;", (void*)&WB_GetLookupCacheURLs}, |
iklam@7322 | 1012 | {CC"getLookupCacheMatches", CC"(Ljava/lang/ClassLoader;Ljava/lang/String;)[I", |
iklam@7322 | 1013 | (void*)&WB_GetLookupCacheMatches}, |
iignatyev@4592 | 1014 | {CC"parseCommandLine", |
iignatyev@4592 | 1015 | CC"(Ljava/lang/String;[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;", |
nloodin@3681 | 1016 | (void*) &WB_ParseCommandLine |
nloodin@3681 | 1017 | }, |
iklam@7381 | 1018 | {CC"addToBootstrapClassLoaderSearch", CC"(Ljava/lang/String;)V", |
iklam@7381 | 1019 | (void*)&WB_AddToBootstrapClassLoaderSearch}, |
iklam@7381 | 1020 | {CC"addToSystemClassLoaderSearch", CC"(Ljava/lang/String;)V", |
iklam@7381 | 1021 | (void*)&WB_AddToSystemClassLoaderSearch}, |
tschatzl@5701 | 1022 | {CC"getCompressedOopsMaxHeapSize", CC"()J", |
tschatzl@5701 | 1023 | (void*)&WB_GetCompressedOopsMaxHeapSize}, |
tschatzl@5073 | 1024 | {CC"printHeapSizes", CC"()V", (void*)&WB_PrintHeapSizes }, |
mgerdin@6078 | 1025 | {CC"runMemoryUnitTests", CC"()V", (void*)&WB_RunMemoryUnitTests}, |
mgerdin@6078 | 1026 | {CC"readFromNoaccessArea",CC"()V", (void*)&WB_ReadFromNoaccessArea}, |
mgerdin@6078 | 1027 | {CC"stressVirtualSpaceResize",CC"(JJJ)I", (void*)&WB_StressVirtualSpaceResize}, |
jprovino@4542 | 1028 | #if INCLUDE_ALL_GCS |
mgerdin@3619 | 1029 | {CC"g1InConcurrentMark", CC"()Z", (void*)&WB_G1InConcurrentMark}, |
mgerdin@3619 | 1030 | {CC"g1IsHumongous", CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous }, |
azakharov@7835 | 1031 | {CC"g1NumMaxRegions", CC"()J", (void*)&WB_G1NumMaxRegions }, |
mgerdin@3619 | 1032 | {CC"g1NumFreeRegions", CC"()J", (void*)&WB_G1NumFreeRegions }, |
mgerdin@3619 | 1033 | {CC"g1RegionSize", CC"()I", (void*)&WB_G1RegionSize }, |
azakharov@7835 | 1034 | {CC"g1AuxiliaryMemoryUsage", CC"()Ljava/lang/management/MemoryUsage;", |
azakharov@7835 | 1035 | (void*)&WB_G1AuxiliaryMemoryUsage }, |
jprovino@4542 | 1036 | #endif // INCLUDE_ALL_GCS |
cjplummer@5586 | 1037 | #if INCLUDE_NMT |
ctornqvi@4885 | 1038 | {CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc }, |
zgu@7074 | 1039 | {CC"NMTMallocWithPseudoStack", CC"(JI)J", (void*)&WB_NMTMallocWithPseudoStack}, |
ctornqvi@4885 | 1040 | {CC"NMTFree", CC"(J)V", (void*)&WB_NMTFree }, |
ctornqvi@4885 | 1041 | {CC"NMTReserveMemory", CC"(J)J", (void*)&WB_NMTReserveMemory }, |
ctornqvi@4885 | 1042 | {CC"NMTCommitMemory", CC"(JJ)V", (void*)&WB_NMTCommitMemory }, |
ctornqvi@4885 | 1043 | {CC"NMTUncommitMemory", CC"(JJ)V", (void*)&WB_NMTUncommitMemory }, |
ctornqvi@4885 | 1044 | {CC"NMTReleaseMemory", CC"(JJ)V", (void*)&WB_NMTReleaseMemory }, |
cjplummer@5586 | 1045 | {CC"NMTIsDetailSupported",CC"()Z", (void*)&WB_NMTIsDetailSupported}, |
coleenp@7267 | 1046 | {CC"NMTChangeTrackingLevel", CC"()Z", (void*)&WB_NMTChangeTrackingLevel}, |
gtriantafill@7342 | 1047 | {CC"NMTGetHashSize", CC"()I", (void*)&WB_NMTGetHashSize }, |
ctornqvi@4512 | 1048 | #endif // INCLUDE_NMT |
iignatyev@4592 | 1049 | {CC"deoptimizeAll", CC"()V", (void*)&WB_DeoptimizeAll }, |
iignatyev@5541 | 1050 | {CC"deoptimizeMethod", CC"(Ljava/lang/reflect/Executable;Z)I", |
iignatyev@4592 | 1051 | (void*)&WB_DeoptimizeMethod }, |
iignatyev@5541 | 1052 | {CC"isMethodCompiled", CC"(Ljava/lang/reflect/Executable;Z)Z", |
iignatyev@4592 | 1053 | (void*)&WB_IsMethodCompiled }, |
iignatyev@5541 | 1054 | {CC"isMethodCompilable", CC"(Ljava/lang/reflect/Executable;IZ)Z", |
iignatyev@4592 | 1055 | (void*)&WB_IsMethodCompilable}, |
iignatyev@4592 | 1056 | {CC"isMethodQueuedForCompilation", |
iignatyev@4951 | 1057 | CC"(Ljava/lang/reflect/Executable;)Z", (void*)&WB_IsMethodQueuedForCompilation}, |
iignatyev@4592 | 1058 | {CC"makeMethodNotCompilable", |
iignatyev@5541 | 1059 | CC"(Ljava/lang/reflect/Executable;IZ)V", (void*)&WB_MakeMethodNotCompilable}, |
iignatyev@4908 | 1060 | {CC"testSetDontInlineMethod", |
iignatyev@4951 | 1061 | CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetDontInlineMethod}, |
iignatyev@4592 | 1062 | {CC"getMethodCompilationLevel", |
iignatyev@5541 | 1063 | CC"(Ljava/lang/reflect/Executable;Z)I", (void*)&WB_GetMethodCompilationLevel}, |
iignatyev@5541 | 1064 | {CC"getMethodEntryBci", |
iignatyev@5541 | 1065 | CC"(Ljava/lang/reflect/Executable;)I", (void*)&WB_GetMethodEntryBci}, |
iignatyev@5541 | 1066 | {CC"getCompileQueueSize", |
iignatyev@5541 | 1067 | CC"(I)I", (void*)&WB_GetCompileQueueSize}, |
iignatyev@4908 | 1068 | {CC"testSetForceInlineMethod", |
iignatyev@4951 | 1069 | CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetForceInlineMethod}, |
iignatyev@4908 | 1070 | {CC"enqueueMethodForCompilation", |
iignatyev@5541 | 1071 | CC"(Ljava/lang/reflect/Executable;II)Z", (void*)&WB_EnqueueMethodForCompilation}, |
iignatyev@4908 | 1072 | {CC"clearMethodState", |
iignatyev@4951 | 1073 | CC"(Ljava/lang/reflect/Executable;)V", (void*)&WB_ClearMethodState}, |
iignatyev@6963 | 1074 | {CC"setBooleanVMFlag", CC"(Ljava/lang/String;Z)V",(void*)&WB_SetBooleanVMFlag}, |
iignatyev@6963 | 1075 | {CC"setIntxVMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetIntxVMFlag}, |
iignatyev@6963 | 1076 | {CC"setUintxVMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetUintxVMFlag}, |
iignatyev@6963 | 1077 | {CC"setUint64VMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetUint64VMFlag}, |
iignatyev@6963 | 1078 | {CC"setDoubleVMFlag", CC"(Ljava/lang/String;D)V",(void*)&WB_SetDoubleVMFlag}, |
iignatyev@6963 | 1079 | {CC"setStringVMFlag", CC"(Ljava/lang/String;Ljava/lang/String;)V", |
iignatyev@6963 | 1080 | (void*)&WB_SetStringVMFlag}, |
iignatyev@6963 | 1081 | {CC"getBooleanVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Boolean;", |
iignatyev@6963 | 1082 | (void*)&WB_GetBooleanVMFlag}, |
iignatyev@6963 | 1083 | {CC"getIntxVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", |
iignatyev@6963 | 1084 | (void*)&WB_GetIntxVMFlag}, |
iignatyev@6963 | 1085 | {CC"getUintxVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", |
iignatyev@6963 | 1086 | (void*)&WB_GetUintxVMFlag}, |
iignatyev@6963 | 1087 | {CC"getUint64VMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", |
iignatyev@6963 | 1088 | (void*)&WB_GetUint64VMFlag}, |
iignatyev@6963 | 1089 | {CC"getDoubleVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Double;", |
iignatyev@6963 | 1090 | (void*)&WB_GetDoubleVMFlag}, |
iignatyev@6963 | 1091 | {CC"getStringVMFlag", CC"(Ljava/lang/String;)Ljava/lang/String;", |
iignatyev@6963 | 1092 | (void*)&WB_GetStringVMFlag}, |
iignatyev@6963 | 1093 | {CC"isInStringTable", CC"(Ljava/lang/String;)Z", (void*)&WB_IsInStringTable }, |
mgerdin@4850 | 1094 | {CC"fullGC", CC"()V", (void*)&WB_FullGC }, |
tschatzl@7071 | 1095 | {CC"youngGC", CC"()V", (void*)&WB_YoungGC }, |
mikael@5174 | 1096 | {CC"readReservedMemory", CC"()V", (void*)&WB_ReadReservedMemory }, |
stefank@6992 | 1097 | {CC"allocateMetaspace", |
stefank@6992 | 1098 | CC"(Ljava/lang/ClassLoader;J)J", (void*)&WB_AllocateMetaspace }, |
stefank@6992 | 1099 | {CC"freeMetaspace", |
stefank@6992 | 1100 | CC"(Ljava/lang/ClassLoader;JJ)V", (void*)&WB_FreeMetaspace }, |
ehelin@7254 | 1101 | {CC"incMetaspaceCapacityUntilGC", CC"(J)J", (void*)&WB_IncMetaspaceCapacityUntilGC }, |
ehelin@7254 | 1102 | {CC"metaspaceCapacityUntilGC", CC"()J", (void*)&WB_MetaspaceCapacityUntilGC }, |
iignatyev@6427 | 1103 | {CC"getCPUFeatures", CC"()Ljava/lang/String;", (void*)&WB_GetCPUFeatures }, |
iignatyev@6525 | 1104 | {CC"getNMethod", CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;", |
iignatyev@6525 | 1105 | (void*)&WB_GetNMethod }, |
bmoloden@7797 | 1106 | {CC"isMonitorInflated", CC"(Ljava/lang/Object;)Z", (void*)&WB_IsMonitorInflated }, |
bmoloden@7797 | 1107 | {CC"forceSafepoint", CC"()V", (void*)&WB_ForceSafepoint }, |
mgerdin@3619 | 1108 | }; |
mgerdin@3619 | 1109 | |
mgerdin@3619 | 1110 | #undef CC |
mgerdin@3619 | 1111 | |
mgerdin@3619 | 1112 | JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass)) |
mgerdin@3619 | 1113 | { |
mgerdin@3619 | 1114 | if (WhiteBoxAPI) { |
mgerdin@3619 | 1115 | // Make sure that wbclass is loaded by the null classloader |
mgerdin@3619 | 1116 | instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass()); |
mgerdin@3619 | 1117 | Handle loader(ikh->class_loader()); |
mgerdin@3619 | 1118 | if (loader.is_null()) { |
sjohanss@7165 | 1119 | WhiteBox::register_methods(env, wbclass, thread, methods, sizeof(methods) / sizeof(methods[0])); |
sjohanss@7165 | 1120 | WhiteBox::register_extended(env, wbclass, thread); |
sjohanss@7165 | 1121 | WhiteBox::set_used(); |
mgerdin@3619 | 1122 | } |
mgerdin@3619 | 1123 | } |
mgerdin@3619 | 1124 | } |
mgerdin@3619 | 1125 | JVM_END |