Wed, 03 Jul 2019 20:42:37 +0800
Merge
mgerdin@3619 | 1 | /* |
dbuck@9186 | 2 | * Copyright (c) 2012, 2018, 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" |
iklam@8497 | 28 | #include "memory/metaspaceShared.hpp" |
mgerdin@3619 | 29 | #include "memory/universe.hpp" |
mgerdin@3619 | 30 | #include "oops/oop.inline.hpp" |
nloodin@3681 | 31 | |
nloodin@3681 | 32 | #include "classfile/symbolTable.hpp" |
coleenp@4037 | 33 | #include "classfile/classLoaderData.hpp" |
nloodin@3681 | 34 | |
mgerdin@3619 | 35 | #include "prims/whitebox.hpp" |
nloodin@3681 | 36 | #include "prims/wbtestmethods/parserTests.hpp" |
nloodin@3681 | 37 | |
tschatzl@5701 | 38 | #include "runtime/arguments.hpp" |
mgerdin@3619 | 39 | #include "runtime/interfaceSupport.hpp" |
mgerdin@3619 | 40 | #include "runtime/os.hpp" |
stefank@6992 | 41 | #include "utilities/array.hpp" |
mgerdin@3619 | 42 | #include "utilities/debug.hpp" |
jprovino@4542 | 43 | #include "utilities/macros.hpp" |
mikael@5174 | 44 | #include "utilities/exceptions.hpp" |
mgerdin@3619 | 45 | |
jprovino@4542 | 46 | #if INCLUDE_ALL_GCS |
tschatzl@7071 | 47 | #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp" |
mgerdin@3619 | 48 | #include "gc_implementation/g1/concurrentMark.hpp" |
kevinw@8194 | 49 | #include "gc_implementation/g1/concurrentMarkThread.hpp" |
mgerdin@3619 | 50 | #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
mgerdin@3619 | 51 | #include "gc_implementation/g1/heapRegionRemSet.hpp" |
jprovino@4542 | 52 | #endif // INCLUDE_ALL_GCS |
mgerdin@3619 | 53 | |
zgu@7074 | 54 | #if INCLUDE_NMT |
zgu@7074 | 55 | #include "services/mallocSiteTable.hpp" |
ctornqvi@4512 | 56 | #include "services/memTracker.hpp" |
zgu@7074 | 57 | #include "utilities/nativeCallStack.hpp" |
ctornqvi@4512 | 58 | #endif // INCLUDE_NMT |
ctornqvi@4512 | 59 | |
iignatyev@4592 | 60 | #include "compiler/compileBroker.hpp" |
iklam@7381 | 61 | #include "jvmtifiles/jvmtiEnv.hpp" |
iignatyev@4908 | 62 | #include "runtime/compilationPolicy.hpp" |
iignatyev@4592 | 63 | |
drchase@6680 | 64 | PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
drchase@6680 | 65 | |
mgerdin@6078 | 66 | #define SIZE_T_MAX_VALUE ((size_t) -1) |
mgerdin@6078 | 67 | |
mgerdin@3619 | 68 | bool WhiteBox::_used = false; |
mgerdin@3619 | 69 | |
mgerdin@3619 | 70 | WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj)) |
mgerdin@3619 | 71 | return (jlong)(void*)JNIHandles::resolve(obj); |
mgerdin@3619 | 72 | WB_END |
mgerdin@3619 | 73 | |
mgerdin@3619 | 74 | WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o)) |
mgerdin@3619 | 75 | return heapOopSize; |
mgerdin@3619 | 76 | WB_END |
mgerdin@3619 | 77 | |
minqi@7779 | 78 | WB_ENTRY(jint, WB_GetVMPageSize(JNIEnv* env, jobject o)) |
minqi@7779 | 79 | return os::vm_page_size(); |
minqi@7779 | 80 | WB_END |
coleenp@4037 | 81 | |
tschatzl@7781 | 82 | WB_ENTRY(jlong, WB_GetVMLargePageSize(JNIEnv* env, jobject o)) |
tschatzl@7781 | 83 | return os::large_page_size(); |
tschatzl@7781 | 84 | WB_END |
tschatzl@7781 | 85 | |
coleenp@4037 | 86 | class WBIsKlassAliveClosure : public KlassClosure { |
coleenp@4037 | 87 | Symbol* _name; |
coleenp@4037 | 88 | bool _found; |
coleenp@4037 | 89 | public: |
coleenp@4037 | 90 | WBIsKlassAliveClosure(Symbol* name) : _name(name), _found(false) {} |
coleenp@4037 | 91 | |
coleenp@4037 | 92 | void do_klass(Klass* k) { |
coleenp@4037 | 93 | if (_found) return; |
coleenp@4037 | 94 | Symbol* ksym = k->name(); |
coleenp@4037 | 95 | if (ksym->fast_compare(_name) == 0) { |
coleenp@4037 | 96 | _found = true; |
coleenp@4037 | 97 | } |
coleenp@4037 | 98 | } |
coleenp@4037 | 99 | |
coleenp@4037 | 100 | bool found() const { |
coleenp@4037 | 101 | return _found; |
coleenp@4037 | 102 | } |
coleenp@4037 | 103 | }; |
coleenp@4037 | 104 | |
coleenp@4037 | 105 | WB_ENTRY(jboolean, WB_IsClassAlive(JNIEnv* env, jobject target, jstring name)) |
coleenp@4037 | 106 | Handle h_name = JNIHandles::resolve(name); |
coleenp@4037 | 107 | if (h_name.is_null()) return false; |
coleenp@4037 | 108 | Symbol* sym = java_lang_String::as_symbol(h_name, CHECK_false); |
coleenp@4037 | 109 | TempNewSymbol tsym(sym); // Make sure to decrement reference count on sym on return |
coleenp@4037 | 110 | |
coleenp@4037 | 111 | WBIsKlassAliveClosure closure(sym); |
coleenp@4037 | 112 | ClassLoaderDataGraph::classes_do(&closure); |
coleenp@4037 | 113 | |
coleenp@4037 | 114 | return closure.found(); |
coleenp@4037 | 115 | WB_END |
coleenp@4037 | 116 | |
iklam@7322 | 117 | WB_ENTRY(jboolean, WB_ClassKnownToNotExist(JNIEnv* env, jobject o, jobject loader, jstring name)) |
iklam@7322 | 118 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iklam@7322 | 119 | const char* class_name = env->GetStringUTFChars(name, NULL); |
iklam@7322 | 120 | jboolean result = JVM_KnownToNotExist(env, loader, class_name); |
iklam@7322 | 121 | env->ReleaseStringUTFChars(name, class_name); |
iklam@7322 | 122 | return result; |
iklam@7322 | 123 | WB_END |
iklam@7322 | 124 | |
iklam@7322 | 125 | WB_ENTRY(jobjectArray, WB_GetLookupCacheURLs(JNIEnv* env, jobject o, jobject loader)) |
iklam@7322 | 126 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iklam@7322 | 127 | return JVM_GetResourceLookupCacheURLs(env, loader); |
iklam@7322 | 128 | WB_END |
iklam@7322 | 129 | |
iklam@7322 | 130 | WB_ENTRY(jintArray, WB_GetLookupCacheMatches(JNIEnv* env, jobject o, jobject loader, jstring name)) |
iklam@7322 | 131 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iklam@7322 | 132 | const char* resource_name = env->GetStringUTFChars(name, NULL); |
iklam@7322 | 133 | jintArray result = JVM_GetResourceLookupCache(env, loader, resource_name); |
iklam@7322 | 134 | |
iklam@7322 | 135 | env->ReleaseStringUTFChars(name, resource_name); |
iklam@7322 | 136 | return result; |
iklam@7322 | 137 | WB_END |
iklam@7322 | 138 | |
iklam@7381 | 139 | WB_ENTRY(void, WB_AddToBootstrapClassLoaderSearch(JNIEnv* env, jobject o, jstring segment)) { |
iklam@7381 | 140 | #if INCLUDE_JVMTI |
iklam@7382 | 141 | ResourceMark rm; |
iklam@7382 | 142 | const char* seg = java_lang_String::as_utf8_string(JNIHandles::resolve_non_null(segment)); |
iklam@7381 | 143 | JvmtiEnv* jvmti_env = JvmtiEnv::create_a_jvmti(JVMTI_VERSION); |
iklam@7381 | 144 | jvmtiError err = jvmti_env->AddToBootstrapClassLoaderSearch(seg); |
iklam@7381 | 145 | assert(err == JVMTI_ERROR_NONE, "must not fail"); |
iklam@7381 | 146 | #endif |
iklam@7381 | 147 | } |
iklam@7381 | 148 | WB_END |
iklam@7381 | 149 | |
iklam@7381 | 150 | WB_ENTRY(void, WB_AddToSystemClassLoaderSearch(JNIEnv* env, jobject o, jstring segment)) { |
iklam@7381 | 151 | #if INCLUDE_JVMTI |
iklam@7382 | 152 | ResourceMark rm; |
iklam@7382 | 153 | const char* seg = java_lang_String::as_utf8_string(JNIHandles::resolve_non_null(segment)); |
iklam@7381 | 154 | JvmtiEnv* jvmti_env = JvmtiEnv::create_a_jvmti(JVMTI_VERSION); |
iklam@7381 | 155 | jvmtiError err = jvmti_env->AddToSystemClassLoaderSearch(seg); |
iklam@7381 | 156 | assert(err == JVMTI_ERROR_NONE, "must not fail"); |
iklam@7381 | 157 | #endif |
iklam@7381 | 158 | } |
iklam@7381 | 159 | WB_END |
iklam@7381 | 160 | |
dbuck@9186 | 161 | #ifdef LINUX |
dbuck@9186 | 162 | #include "utilities/elfFile.hpp" |
vaibhav@9421 | 163 | #include "osContainer_linux.hpp" |
dbuck@9186 | 164 | #endif |
iklam@7381 | 165 | |
tschatzl@5701 | 166 | WB_ENTRY(jlong, WB_GetCompressedOopsMaxHeapSize(JNIEnv* env, jobject o)) { |
tschatzl@5701 | 167 | return (jlong)Arguments::max_heap_for_compressed_oops(); |
tschatzl@5701 | 168 | } |
tschatzl@5701 | 169 | WB_END |
tschatzl@5701 | 170 | |
tschatzl@5073 | 171 | WB_ENTRY(void, WB_PrintHeapSizes(JNIEnv* env, jobject o)) { |
tschatzl@5073 | 172 | CollectorPolicy * p = Universe::heap()->collector_policy(); |
kevinw@9327 | 173 | gclog_or_tty->print_cr("Minimum heap " SIZE_FORMAT " Initial heap " |
ehelin@9622 | 174 | SIZE_FORMAT " Maximum heap " SIZE_FORMAT " Space alignment " SIZE_FORMAT " Heap alignment " SIZE_FORMAT, |
tschatzl@5073 | 175 | p->min_heap_byte_size(), p->initial_heap_byte_size(), p->max_heap_byte_size(), |
jwilhelm@6085 | 176 | p->space_alignment(), p->heap_alignment()); |
tschatzl@5073 | 177 | } |
tschatzl@5073 | 178 | WB_END |
tschatzl@5073 | 179 | |
mgerdin@6078 | 180 | #ifndef PRODUCT |
mgerdin@6078 | 181 | // Forward declaration |
mgerdin@6078 | 182 | void TestReservedSpace_test(); |
mgerdin@6078 | 183 | void TestReserveMemorySpecial_test(); |
mgerdin@6078 | 184 | void TestVirtualSpace_test(); |
mgerdin@6078 | 185 | void TestMetaspaceAux_test(); |
mgerdin@6078 | 186 | #endif |
mgerdin@6078 | 187 | |
mgerdin@6078 | 188 | WB_ENTRY(void, WB_RunMemoryUnitTests(JNIEnv* env, jobject o)) |
mgerdin@6078 | 189 | #ifndef PRODUCT |
mgerdin@6078 | 190 | TestReservedSpace_test(); |
mgerdin@6078 | 191 | TestReserveMemorySpecial_test(); |
mgerdin@6078 | 192 | TestVirtualSpace_test(); |
mgerdin@6078 | 193 | TestMetaspaceAux_test(); |
mgerdin@6078 | 194 | #endif |
mgerdin@6078 | 195 | WB_END |
mgerdin@6078 | 196 | |
mgerdin@6078 | 197 | WB_ENTRY(void, WB_ReadFromNoaccessArea(JNIEnv* env, jobject o)) |
mgerdin@6078 | 198 | size_t granularity = os::vm_allocation_granularity(); |
mgerdin@6078 | 199 | ReservedHeapSpace rhs(100 * granularity, granularity, false, NULL); |
mgerdin@6078 | 200 | VirtualSpace vs; |
mgerdin@6078 | 201 | vs.initialize(rhs, 50 * granularity); |
mgerdin@6078 | 202 | |
mgerdin@6078 | 203 | //Check if constraints are complied |
mgerdin@6078 | 204 | if (!( UseCompressedOops && rhs.base() != NULL && |
mgerdin@6078 | 205 | Universe::narrow_oop_base() != NULL && |
mgerdin@6078 | 206 | Universe::narrow_oop_use_implicit_null_checks() )) { |
mgerdin@6078 | 207 | tty->print_cr("WB_ReadFromNoaccessArea method is useless:\n " |
mgerdin@6078 | 208 | "\tUseCompressedOops is %d\n" |
kevinw@9327 | 209 | "\trhs.base() is " PTR_FORMAT "\n" |
kevinw@9327 | 210 | "\tUniverse::narrow_oop_base() is " PTR_FORMAT "\n" |
mgerdin@6078 | 211 | "\tUniverse::narrow_oop_use_implicit_null_checks() is %d", |
mgerdin@6078 | 212 | UseCompressedOops, |
mgerdin@6078 | 213 | rhs.base(), |
mgerdin@6078 | 214 | Universe::narrow_oop_base(), |
mgerdin@6078 | 215 | Universe::narrow_oop_use_implicit_null_checks()); |
mgerdin@6078 | 216 | return; |
mgerdin@6078 | 217 | } |
mgerdin@6078 | 218 | tty->print_cr("Reading from no access area... "); |
mgerdin@6078 | 219 | tty->print_cr("*(vs.low_boundary() - rhs.noaccess_prefix() / 2 ) = %c", |
mgerdin@6078 | 220 | *(vs.low_boundary() - rhs.noaccess_prefix() / 2 )); |
mgerdin@6078 | 221 | WB_END |
mgerdin@6078 | 222 | |
mgerdin@6078 | 223 | static jint wb_stress_virtual_space_resize(size_t reserved_space_size, |
mgerdin@6078 | 224 | size_t magnitude, size_t iterations) { |
mgerdin@6078 | 225 | size_t granularity = os::vm_allocation_granularity(); |
mgerdin@6078 | 226 | ReservedHeapSpace rhs(reserved_space_size * granularity, granularity, false, NULL); |
mgerdin@6078 | 227 | VirtualSpace vs; |
mgerdin@6078 | 228 | if (!vs.initialize(rhs, 0)) { |
mgerdin@6078 | 229 | tty->print_cr("Failed to initialize VirtualSpace. Can't proceed."); |
mgerdin@6078 | 230 | return 3; |
mgerdin@6078 | 231 | } |
mgerdin@6078 | 232 | |
mgerdin@6078 | 233 | long seed = os::random(); |
mgerdin@6078 | 234 | tty->print_cr("Random seed is %ld", seed); |
mgerdin@6078 | 235 | os::init_random(seed); |
mgerdin@6078 | 236 | |
mgerdin@6078 | 237 | for (size_t i = 0; i < iterations; i++) { |
mgerdin@6078 | 238 | |
mgerdin@6078 | 239 | // Whether we will shrink or grow |
mgerdin@6078 | 240 | bool shrink = os::random() % 2L == 0; |
mgerdin@6078 | 241 | |
mgerdin@6078 | 242 | // Get random delta to resize virtual space |
mgerdin@6078 | 243 | size_t delta = (size_t)os::random() % magnitude; |
mgerdin@6078 | 244 | |
mgerdin@6078 | 245 | // If we are about to shrink virtual space below zero, then expand instead |
mgerdin@6078 | 246 | if (shrink && vs.committed_size() < delta) { |
mgerdin@6078 | 247 | shrink = false; |
mgerdin@6078 | 248 | } |
mgerdin@6078 | 249 | |
mgerdin@6078 | 250 | // Resizing by delta |
mgerdin@6078 | 251 | if (shrink) { |
mgerdin@6078 | 252 | vs.shrink_by(delta); |
mgerdin@6078 | 253 | } else { |
mgerdin@6078 | 254 | // If expanding fails expand_by will silently return false |
mgerdin@6078 | 255 | vs.expand_by(delta, true); |
mgerdin@6078 | 256 | } |
mgerdin@6078 | 257 | } |
mgerdin@6078 | 258 | return 0; |
mgerdin@6078 | 259 | } |
mgerdin@6078 | 260 | |
mgerdin@6078 | 261 | WB_ENTRY(jint, WB_StressVirtualSpaceResize(JNIEnv* env, jobject o, |
mgerdin@6078 | 262 | jlong reserved_space_size, jlong magnitude, jlong iterations)) |
kevinw@9327 | 263 | tty->print_cr("reservedSpaceSize=" JLONG_FORMAT ", magnitude=" JLONG_FORMAT ", " |
kevinw@9327 | 264 | "iterations=" JLONG_FORMAT "\n", reserved_space_size, magnitude, |
mgerdin@6078 | 265 | iterations); |
mgerdin@6078 | 266 | if (reserved_space_size < 0 || magnitude < 0 || iterations < 0) { |
mgerdin@6078 | 267 | tty->print_cr("One of variables printed above is negative. Can't proceed.\n"); |
mgerdin@6078 | 268 | return 1; |
mgerdin@6078 | 269 | } |
mgerdin@6078 | 270 | |
mgerdin@6078 | 271 | // sizeof(size_t) depends on whether OS is 32bit or 64bit. sizeof(jlong) is |
mgerdin@6078 | 272 | // always 8 byte. That's why we should avoid overflow in case of 32bit platform. |
mgerdin@6078 | 273 | if (sizeof(size_t) < sizeof(jlong)) { |
mgerdin@6078 | 274 | jlong size_t_max_value = (jlong) SIZE_T_MAX_VALUE; |
mgerdin@6078 | 275 | if (reserved_space_size > size_t_max_value || magnitude > size_t_max_value |
mgerdin@6078 | 276 | || iterations > size_t_max_value) { |
mgerdin@6078 | 277 | tty->print_cr("One of variables printed above overflows size_t. Can't proceed.\n"); |
mgerdin@6078 | 278 | return 2; |
mgerdin@6078 | 279 | } |
mgerdin@6078 | 280 | } |
mgerdin@6078 | 281 | |
mgerdin@6078 | 282 | return wb_stress_virtual_space_resize((size_t) reserved_space_size, |
mgerdin@6078 | 283 | (size_t) magnitude, (size_t) iterations); |
mgerdin@6078 | 284 | WB_END |
mgerdin@6078 | 285 | |
tschatzl@7071 | 286 | WB_ENTRY(jboolean, WB_isObjectInOldGen(JNIEnv* env, jobject o, jobject obj)) |
tschatzl@7071 | 287 | oop p = JNIHandles::resolve(obj); |
tschatzl@7071 | 288 | #if INCLUDE_ALL_GCS |
tschatzl@7071 | 289 | if (UseG1GC) { |
tschatzl@7071 | 290 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
tschatzl@7071 | 291 | const HeapRegion* hr = g1->heap_region_containing(p); |
tschatzl@7071 | 292 | if (hr == NULL) { |
tschatzl@7071 | 293 | return false; |
tschatzl@7071 | 294 | } |
tschatzl@7071 | 295 | return !(hr->is_young()); |
tschatzl@7071 | 296 | } else if (UseParallelGC) { |
tschatzl@7071 | 297 | ParallelScavengeHeap* psh = ParallelScavengeHeap::heap(); |
tschatzl@7071 | 298 | return !psh->is_in_young(p); |
tschatzl@7071 | 299 | } |
tschatzl@7071 | 300 | #endif // INCLUDE_ALL_GCS |
tschatzl@7071 | 301 | GenCollectedHeap* gch = GenCollectedHeap::heap(); |
tschatzl@7071 | 302 | return !gch->is_in_young(p); |
tschatzl@7071 | 303 | WB_END |
tschatzl@7071 | 304 | |
tschatzl@7071 | 305 | WB_ENTRY(jlong, WB_GetObjectSize(JNIEnv* env, jobject o, jobject obj)) |
tschatzl@7071 | 306 | oop p = JNIHandles::resolve(obj); |
tschatzl@7071 | 307 | return p->size() * HeapWordSize; |
tschatzl@7071 | 308 | WB_END |
tschatzl@7071 | 309 | |
jprovino@4542 | 310 | #if INCLUDE_ALL_GCS |
mgerdin@3619 | 311 | WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj)) |
mgerdin@3619 | 312 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
mgerdin@3619 | 313 | oop result = JNIHandles::resolve(obj); |
mgerdin@3619 | 314 | const HeapRegion* hr = g1->heap_region_containing(result); |
mgerdin@3619 | 315 | return hr->isHumongous(); |
mgerdin@3619 | 316 | WB_END |
mgerdin@3619 | 317 | |
azakharov@7835 | 318 | WB_ENTRY(jlong, WB_G1NumMaxRegions(JNIEnv* env, jobject o)) |
azakharov@7835 | 319 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
azakharov@7835 | 320 | size_t nr = g1->max_regions(); |
azakharov@7835 | 321 | return (jlong)nr; |
azakharov@7835 | 322 | WB_END |
azakharov@7835 | 323 | |
mgerdin@3619 | 324 | WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o)) |
mgerdin@3619 | 325 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
tschatzl@7050 | 326 | size_t nr = g1->num_free_regions(); |
mgerdin@3619 | 327 | return (jlong)nr; |
mgerdin@3619 | 328 | WB_END |
mgerdin@3619 | 329 | |
mgerdin@3619 | 330 | WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o)) |
mgerdin@3619 | 331 | G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
kevinw@8194 | 332 | return g1->concurrent_mark()->cmThread()->during_cycle(); |
kevinw@8194 | 333 | WB_END |
kevinw@8194 | 334 | |
kevinw@8194 | 335 | WB_ENTRY(jboolean, WB_G1StartMarkCycle(JNIEnv* env, jobject o)) |
kevinw@8194 | 336 | G1CollectedHeap* g1h = G1CollectedHeap::heap(); |
kevinw@8194 | 337 | if (!g1h->concurrent_mark()->cmThread()->during_cycle()) { |
kevinw@8194 | 338 | g1h->collect(GCCause::_wb_conc_mark); |
kevinw@8194 | 339 | return true; |
kevinw@8194 | 340 | } |
kevinw@8194 | 341 | return false; |
mgerdin@3619 | 342 | WB_END |
mgerdin@3619 | 343 | |
mgerdin@3619 | 344 | WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o)) |
mgerdin@3619 | 345 | return (jint)HeapRegion::GrainBytes; |
mgerdin@3619 | 346 | WB_END |
azakharov@7835 | 347 | |
azakharov@7835 | 348 | WB_ENTRY(jobject, WB_G1AuxiliaryMemoryUsage(JNIEnv* env)) |
azakharov@7835 | 349 | ResourceMark rm(THREAD); |
azakharov@7835 | 350 | G1CollectedHeap* g1h = G1CollectedHeap::heap(); |
azakharov@7835 | 351 | MemoryUsage usage = g1h->get_auxiliary_data_memory_usage(); |
azakharov@7835 | 352 | Handle h = MemoryService::create_MemoryUsage_obj(usage, CHECK_NULL); |
azakharov@7835 | 353 | return JNIHandles::make_local(env, h()); |
azakharov@7835 | 354 | WB_END |
jprovino@4542 | 355 | #endif // INCLUDE_ALL_GCS |
mgerdin@3619 | 356 | |
cjplummer@5586 | 357 | #if INCLUDE_NMT |
ctornqvi@4512 | 358 | // Alloc memory using the test memory type so that we can use that to see if |
ctornqvi@4512 | 359 | // NMT picks it up correctly |
ctornqvi@4885 | 360 | WB_ENTRY(jlong, WB_NMTMalloc(JNIEnv* env, jobject o, jlong size)) |
ctornqvi@4885 | 361 | jlong addr = 0; |
ctornqvi@7344 | 362 | addr = (jlong)(uintptr_t)os::malloc(size, mtTest); |
zgu@7074 | 363 | return addr; |
zgu@7074 | 364 | WB_END |
ctornqvi@4512 | 365 | |
zgu@7074 | 366 | // Alloc memory with pseudo call stack. The test can create psudo malloc |
zgu@7074 | 367 | // allocation site to stress the malloc tracking. |
zgu@7074 | 368 | WB_ENTRY(jlong, WB_NMTMallocWithPseudoStack(JNIEnv* env, jobject o, jlong size, jint pseudo_stack)) |
zgu@7074 | 369 | address pc = (address)(size_t)pseudo_stack; |
zgu@7074 | 370 | NativeCallStack stack(&pc, 1); |
ctornqvi@7344 | 371 | return (jlong)(uintptr_t)os::malloc(size, mtTest, stack); |
ctornqvi@4512 | 372 | WB_END |
ctornqvi@4512 | 373 | |
zgu@9621 | 374 | // Alloc memory with pseudo call stack and specific memory type. |
zgu@9621 | 375 | WB_ENTRY(jlong, WB_NMTMallocWithPseudoStackAndType(JNIEnv* env, jobject o, jlong size, jint pseudo_stack, jint type)) |
zgu@9621 | 376 | address pc = (address)(size_t)pseudo_stack; |
zgu@9621 | 377 | NativeCallStack stack(&pc, 1); |
zgu@9621 | 378 | return (jlong)(uintptr_t)os::malloc(size, (MEMFLAGS)type, stack); |
zgu@9621 | 379 | WB_END |
zgu@9621 | 380 | |
ctornqvi@4512 | 381 | // Free the memory allocated by NMTAllocTest |
ctornqvi@4885 | 382 | WB_ENTRY(void, WB_NMTFree(JNIEnv* env, jobject o, jlong mem)) |
ctornqvi@4885 | 383 | os::free((void*)(uintptr_t)mem, mtTest); |
ctornqvi@4885 | 384 | WB_END |
ctornqvi@4512 | 385 | |
ctornqvi@4885 | 386 | WB_ENTRY(jlong, WB_NMTReserveMemory(JNIEnv* env, jobject o, jlong size)) |
ctornqvi@4885 | 387 | jlong addr = 0; |
ctornqvi@4885 | 388 | |
ctornqvi@4885 | 389 | addr = (jlong)(uintptr_t)os::reserve_memory(size); |
ctornqvi@4885 | 390 | MemTracker::record_virtual_memory_type((address)addr, mtTest); |
ctornqvi@4512 | 391 | |
ctornqvi@4885 | 392 | return addr; |
ctornqvi@4885 | 393 | WB_END |
ctornqvi@4512 | 394 | |
ctornqvi@4885 | 395 | |
ctornqvi@4885 | 396 | WB_ENTRY(void, WB_NMTCommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
dcubed@5255 | 397 | os::commit_memory((char *)(uintptr_t)addr, size, !ExecMem); |
ctornqvi@4885 | 398 | MemTracker::record_virtual_memory_type((address)(uintptr_t)addr, mtTest); |
ctornqvi@4885 | 399 | WB_END |
ctornqvi@4885 | 400 | |
ctornqvi@4885 | 401 | WB_ENTRY(void, WB_NMTUncommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
ctornqvi@4885 | 402 | os::uncommit_memory((char *)(uintptr_t)addr, size); |
ctornqvi@4885 | 403 | WB_END |
ctornqvi@4885 | 404 | |
ctornqvi@4885 | 405 | WB_ENTRY(void, WB_NMTReleaseMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
ctornqvi@4885 | 406 | os::release_memory((char *)(uintptr_t)addr, size); |
ctornqvi@4512 | 407 | WB_END |
ctornqvi@4512 | 408 | |
zgu@7074 | 409 | WB_ENTRY(jboolean, WB_NMTIsDetailSupported(JNIEnv* env)) |
zgu@7074 | 410 | return MemTracker::tracking_level() == NMT_detail; |
ctornqvi@4512 | 411 | WB_END |
ctornqvi@4512 | 412 | |
coleenp@7267 | 413 | WB_ENTRY(jboolean, WB_NMTChangeTrackingLevel(JNIEnv* env)) |
coleenp@7267 | 414 | // Test that we can downgrade NMT levels but not upgrade them. |
coleenp@7267 | 415 | if (MemTracker::tracking_level() == NMT_off) { |
coleenp@7267 | 416 | MemTracker::transition_to(NMT_off); |
coleenp@7267 | 417 | return MemTracker::tracking_level() == NMT_off; |
coleenp@7267 | 418 | } else { |
coleenp@7267 | 419 | assert(MemTracker::tracking_level() == NMT_detail, "Should start out as detail tracking"); |
coleenp@7267 | 420 | MemTracker::transition_to(NMT_summary); |
coleenp@7267 | 421 | assert(MemTracker::tracking_level() == NMT_summary, "Should be summary now"); |
zgu@7074 | 422 | |
coleenp@7267 | 423 | // Can't go to detail once NMT is set to summary. |
coleenp@7267 | 424 | MemTracker::transition_to(NMT_detail); |
coleenp@7267 | 425 | assert(MemTracker::tracking_level() == NMT_summary, "Should still be summary now"); |
coleenp@7267 | 426 | |
coleenp@7267 | 427 | // Shutdown sets tracking level to minimal. |
coleenp@7267 | 428 | MemTracker::shutdown(); |
coleenp@7267 | 429 | assert(MemTracker::tracking_level() == NMT_minimal, "Should be minimal now"); |
coleenp@7267 | 430 | |
coleenp@7267 | 431 | // Once the tracking level is minimal, we cannot increase to summary. |
coleenp@7267 | 432 | // The code ignores this request instead of asserting because if the malloc site |
coleenp@7267 | 433 | // table overflows in another thread, it tries to change the code to summary. |
coleenp@7267 | 434 | MemTracker::transition_to(NMT_summary); |
coleenp@7267 | 435 | assert(MemTracker::tracking_level() == NMT_minimal, "Should still be minimal now"); |
coleenp@7267 | 436 | |
coleenp@7267 | 437 | // Really can never go up to detail, verify that the code would never do this. |
coleenp@7267 | 438 | MemTracker::transition_to(NMT_detail); |
coleenp@7267 | 439 | assert(MemTracker::tracking_level() == NMT_minimal, "Should still be minimal now"); |
coleenp@7267 | 440 | return MemTracker::tracking_level() == NMT_minimal; |
coleenp@7267 | 441 | } |
coleenp@7267 | 442 | WB_END |
gtriantafill@7342 | 443 | |
gtriantafill@7342 | 444 | WB_ENTRY(jint, WB_NMTGetHashSize(JNIEnv* env, jobject o)) |
gtriantafill@7342 | 445 | int hash_size = MallocSiteTable::hash_buckets(); |
gtriantafill@7342 | 446 | assert(hash_size > 0, "NMT hash_size should be > 0"); |
gtriantafill@7342 | 447 | return (jint)hash_size; |
gtriantafill@7342 | 448 | WB_END |
ctornqvi@4512 | 449 | #endif // INCLUDE_NMT |
ctornqvi@4512 | 450 | |
iignatyev@4592 | 451 | static jmethodID reflected_method_to_jmid(JavaThread* thread, JNIEnv* env, jobject method) { |
iignatyev@4592 | 452 | assert(method != NULL, "method should not be null"); |
iignatyev@4592 | 453 | ThreadToNativeFromVM ttn(thread); |
iignatyev@4592 | 454 | return env->FromReflectedMethod(method); |
iignatyev@4592 | 455 | } |
iignatyev@4592 | 456 | |
iignatyev@4592 | 457 | WB_ENTRY(void, WB_DeoptimizeAll(JNIEnv* env, jobject o)) |
iignatyev@4592 | 458 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 459 | CodeCache::mark_all_nmethods_for_deoptimization(); |
iignatyev@4592 | 460 | VM_Deoptimize op; |
iignatyev@4592 | 461 | VMThread::execute(&op); |
iignatyev@4592 | 462 | WB_END |
iignatyev@4592 | 463 | |
iignatyev@5541 | 464 | WB_ENTRY(jint, WB_DeoptimizeMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
iignatyev@4592 | 465 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 466 | int result = 0; |
ccheung@6346 | 467 | CHECK_JNI_EXCEPTION_(env, result); |
iignatyev@4592 | 468 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 469 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 470 | if (is_osr) { |
thartmann@7325 | 471 | result += mh->mark_osr_nmethods(); |
thartmann@7325 | 472 | } else if (mh->code() != NULL) { |
thartmann@7325 | 473 | mh->code()->mark_for_deoptimization(); |
iignatyev@4592 | 474 | ++result; |
iignatyev@4592 | 475 | } |
iignatyev@4592 | 476 | result += CodeCache::mark_for_deoptimization(mh()); |
iignatyev@4592 | 477 | if (result > 0) { |
iignatyev@4592 | 478 | VM_Deoptimize op; |
iignatyev@4592 | 479 | VMThread::execute(&op); |
iignatyev@4592 | 480 | } |
iignatyev@4592 | 481 | return result; |
iignatyev@4592 | 482 | WB_END |
iignatyev@4592 | 483 | |
iignatyev@5541 | 484 | WB_ENTRY(jboolean, WB_IsMethodCompiled(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
iignatyev@4592 | 485 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 486 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4592 | 487 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 488 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 489 | nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); |
iignatyev@4592 | 490 | if (code == NULL) { |
iignatyev@4592 | 491 | return JNI_FALSE; |
iignatyev@4592 | 492 | } |
iignatyev@4592 | 493 | return (code->is_alive() && !code->is_marked_for_deoptimization()); |
iignatyev@4592 | 494 | WB_END |
iignatyev@4592 | 495 | |
iignatyev@5541 | 496 | WB_ENTRY(jboolean, WB_IsMethodCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr)) |
iignatyev@4592 | 497 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 498 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4592 | 499 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 500 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 501 | if (is_osr) { |
iignatyev@5541 | 502 | return CompilationPolicy::can_be_osr_compiled(mh, comp_level); |
iignatyev@5541 | 503 | } else { |
iignatyev@5541 | 504 | return CompilationPolicy::can_be_compiled(mh, comp_level); |
iignatyev@5541 | 505 | } |
iignatyev@4592 | 506 | WB_END |
iignatyev@4592 | 507 | |
iignatyev@4592 | 508 | WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobject method)) |
iignatyev@4592 | 509 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 510 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4592 | 511 | MutexLockerEx mu(Compile_lock); |
iignatyev@4592 | 512 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@4592 | 513 | return mh->queued_for_compilation(); |
iignatyev@4592 | 514 | WB_END |
iignatyev@4592 | 515 | |
iignatyev@5541 | 516 | WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
iignatyev@4592 | 517 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 518 | CHECK_JNI_EXCEPTION_(env, CompLevel_none); |
iignatyev@4592 | 519 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 520 | nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); |
iignatyev@4592 | 521 | return (code != NULL ? code->comp_level() : CompLevel_none); |
iignatyev@4592 | 522 | WB_END |
iignatyev@4592 | 523 | |
iignatyev@5541 | 524 | WB_ENTRY(void, WB_MakeMethodNotCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr)) |
iignatyev@4592 | 525 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 526 | CHECK_JNI_EXCEPTION(env); |
iignatyev@4592 | 527 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 528 | if (is_osr) { |
iignatyev@5541 | 529 | mh->set_not_osr_compilable(comp_level, true /* report */, "WhiteBox"); |
iignatyev@5541 | 530 | } else { |
iignatyev@5541 | 531 | mh->set_not_compilable(comp_level, true /* report */, "WhiteBox"); |
iignatyev@5541 | 532 | } |
iignatyev@5541 | 533 | WB_END |
iignatyev@5541 | 534 | |
iignatyev@5541 | 535 | WB_ENTRY(jint, WB_GetMethodEntryBci(JNIEnv* env, jobject o, jobject method)) |
iignatyev@5541 | 536 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 537 | CHECK_JNI_EXCEPTION_(env, InvocationEntryBci); |
iignatyev@5541 | 538 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 539 | nmethod* code = mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false); |
iignatyev@5541 | 540 | return (code != NULL && code->is_osr_method() ? code->osr_entry_bci() : InvocationEntryBci); |
iignatyev@4592 | 541 | WB_END |
iignatyev@4592 | 542 | |
iignatyev@4908 | 543 | WB_ENTRY(jboolean, WB_TestSetDontInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value)) |
iignatyev@4592 | 544 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 545 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4592 | 546 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@4592 | 547 | bool result = mh->dont_inline(); |
iignatyev@4592 | 548 | mh->set_dont_inline(value == JNI_TRUE); |
iignatyev@4592 | 549 | return result; |
iignatyev@4592 | 550 | WB_END |
iignatyev@4592 | 551 | |
iignatyev@5541 | 552 | WB_ENTRY(jint, WB_GetCompileQueueSize(JNIEnv* env, jobject o, jint comp_level)) |
iignatyev@5541 | 553 | if (comp_level == CompLevel_any) { |
iignatyev@5541 | 554 | return CompileBroker::queue_size(CompLevel_full_optimization) /* C2 */ + |
iignatyev@5541 | 555 | CompileBroker::queue_size(CompLevel_full_profile) /* C1 */; |
iignatyev@5541 | 556 | } else { |
iignatyev@5541 | 557 | return CompileBroker::queue_size(comp_level); |
iignatyev@5541 | 558 | } |
iignatyev@4592 | 559 | WB_END |
iignatyev@4592 | 560 | |
iignatyev@4908 | 561 | WB_ENTRY(jboolean, WB_TestSetForceInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value)) |
iignatyev@4908 | 562 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 563 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4908 | 564 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@4908 | 565 | bool result = mh->force_inline(); |
iignatyev@4908 | 566 | mh->set_force_inline(value == JNI_TRUE); |
iignatyev@4908 | 567 | return result; |
iignatyev@4908 | 568 | WB_END |
iignatyev@4908 | 569 | |
iignatyev@5541 | 570 | WB_ENTRY(jboolean, WB_EnqueueMethodForCompilation(JNIEnv* env, jobject o, jobject method, jint comp_level, jint bci)) |
iignatyev@4908 | 571 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 572 | CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
iignatyev@4908 | 573 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@5541 | 574 | nmethod* nm = CompileBroker::compile_method(mh, bci, comp_level, mh, mh->invocation_count(), "WhiteBox", THREAD); |
iignatyev@4908 | 575 | MutexLockerEx mu(Compile_lock); |
iignatyev@4908 | 576 | return (mh->queued_for_compilation() || nm != NULL); |
iignatyev@4908 | 577 | WB_END |
iignatyev@4908 | 578 | |
iignatyev@6610 | 579 | class VM_WhiteBoxOperation : public VM_Operation { |
iignatyev@6610 | 580 | public: |
iignatyev@6610 | 581 | VM_WhiteBoxOperation() { } |
iignatyev@6610 | 582 | VMOp_Type type() const { return VMOp_WhiteBoxOperation; } |
iignatyev@6610 | 583 | bool allow_nested_vm_operations() const { return true; } |
iignatyev@6610 | 584 | }; |
iignatyev@6610 | 585 | |
iignatyev@6610 | 586 | class AlwaysFalseClosure : public BoolObjectClosure { |
iignatyev@6610 | 587 | public: |
iignatyev@6610 | 588 | bool do_object_b(oop p) { return false; } |
iignatyev@6610 | 589 | }; |
iignatyev@6610 | 590 | |
iignatyev@6610 | 591 | static AlwaysFalseClosure always_false; |
iignatyev@6610 | 592 | |
iignatyev@6610 | 593 | class VM_WhiteBoxCleanMethodData : public VM_WhiteBoxOperation { |
iignatyev@6610 | 594 | public: |
iignatyev@6610 | 595 | VM_WhiteBoxCleanMethodData(MethodData* mdo) : _mdo(mdo) { } |
iignatyev@6610 | 596 | void doit() { |
iignatyev@6610 | 597 | _mdo->clean_method_data(&always_false); |
iignatyev@6610 | 598 | } |
iignatyev@6610 | 599 | private: |
iignatyev@6610 | 600 | MethodData* _mdo; |
iignatyev@6610 | 601 | }; |
iignatyev@6610 | 602 | |
iignatyev@4908 | 603 | WB_ENTRY(void, WB_ClearMethodState(JNIEnv* env, jobject o, jobject method)) |
iignatyev@4908 | 604 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
ccheung@6346 | 605 | CHECK_JNI_EXCEPTION(env); |
iignatyev@4908 | 606 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@4908 | 607 | MutexLockerEx mu(Compile_lock); |
iignatyev@4908 | 608 | MethodData* mdo = mh->method_data(); |
jiangli@4938 | 609 | MethodCounters* mcs = mh->method_counters(); |
iignatyev@4908 | 610 | |
iignatyev@4908 | 611 | if (mdo != NULL) { |
iignatyev@4908 | 612 | mdo->init(); |
iignatyev@4908 | 613 | ResourceMark rm; |
iignatyev@4908 | 614 | int arg_count = mdo->method()->size_of_parameters(); |
iignatyev@4908 | 615 | for (int i = 0; i < arg_count; i++) { |
iignatyev@4908 | 616 | mdo->set_arg_modified(i, 0); |
iignatyev@4908 | 617 | } |
iignatyev@6610 | 618 | VM_WhiteBoxCleanMethodData op(mdo); |
iignatyev@6610 | 619 | VMThread::execute(&op); |
iignatyev@4908 | 620 | } |
iignatyev@4908 | 621 | |
iignatyev@4908 | 622 | mh->clear_not_c1_compilable(); |
iignatyev@4908 | 623 | mh->clear_not_c2_compilable(); |
iignatyev@4908 | 624 | mh->clear_not_c2_osr_compilable(); |
iignatyev@4908 | 625 | NOT_PRODUCT(mh->set_compiled_invocation_count(0)); |
jiangli@4938 | 626 | if (mcs != NULL) { |
jiangli@4938 | 627 | mcs->backedge_counter()->init(); |
jiangli@4938 | 628 | mcs->invocation_counter()->init(); |
jiangli@4938 | 629 | mcs->set_interpreter_invocation_count(0); |
jiangli@4938 | 630 | mcs->set_interpreter_throwout_count(0); |
iignatyev@4908 | 631 | |
iignatyev@4908 | 632 | #ifdef TIERED |
jiangli@4938 | 633 | mcs->set_rate(0.0F); |
vlivanov@7179 | 634 | mh->set_prev_event_count(0); |
vlivanov@7179 | 635 | mh->set_prev_time(0); |
iignatyev@4908 | 636 | #endif |
jiangli@4938 | 637 | } |
iignatyev@4908 | 638 | WB_END |
iignatyev@4908 | 639 | |
iignatyev@6963 | 640 | template <typename T> |
iignatyev@6963 | 641 | static bool GetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAt)(const char*, T*)) { |
iignatyev@6963 | 642 | if (name == NULL) { |
iignatyev@6963 | 643 | return false; |
iignatyev@6963 | 644 | } |
iignatyev@6963 | 645 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 646 | const char* flag_name = env->GetStringUTFChars(name, NULL); |
iignatyev@6963 | 647 | bool result = (*TAt)(flag_name, value); |
iignatyev@6963 | 648 | env->ReleaseStringUTFChars(name, flag_name); |
iignatyev@6963 | 649 | return result; |
iignatyev@6963 | 650 | } |
iignatyev@6963 | 651 | |
iignatyev@6963 | 652 | template <typename T> |
iignatyev@6963 | 653 | static bool SetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAtPut)(const char*, T*, Flag::Flags)) { |
iignatyev@6963 | 654 | if (name == NULL) { |
iignatyev@6963 | 655 | return false; |
iignatyev@6963 | 656 | } |
iignatyev@6963 | 657 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 658 | const char* flag_name = env->GetStringUTFChars(name, NULL); |
iignatyev@6963 | 659 | bool result = (*TAtPut)(flag_name, value, Flag::INTERNAL); |
iignatyev@6963 | 660 | env->ReleaseStringUTFChars(name, flag_name); |
iignatyev@6963 | 661 | return result; |
iignatyev@6963 | 662 | } |
iignatyev@6963 | 663 | |
iignatyev@6963 | 664 | template <typename T> |
iignatyev@6963 | 665 | static jobject box(JavaThread* thread, JNIEnv* env, Symbol* name, Symbol* sig, T value) { |
iignatyev@6963 | 666 | ResourceMark rm(thread); |
iignatyev@6963 | 667 | jclass clazz = env->FindClass(name->as_C_string()); |
iignatyev@6963 | 668 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6963 | 669 | jmethodID methodID = env->GetStaticMethodID(clazz, |
iignatyev@6963 | 670 | vmSymbols::valueOf_name()->as_C_string(), |
iignatyev@6963 | 671 | sig->as_C_string()); |
iignatyev@6963 | 672 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6963 | 673 | jobject result = env->CallStaticObjectMethod(clazz, methodID, value); |
iignatyev@6963 | 674 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6963 | 675 | return result; |
iignatyev@6963 | 676 | } |
iignatyev@6963 | 677 | |
iignatyev@6963 | 678 | static jobject booleanBox(JavaThread* thread, JNIEnv* env, jboolean value) { |
iignatyev@6963 | 679 | return box(thread, env, vmSymbols::java_lang_Boolean(), vmSymbols::Boolean_valueOf_signature(), value); |
iignatyev@6963 | 680 | } |
iignatyev@6963 | 681 | static jobject integerBox(JavaThread* thread, JNIEnv* env, jint value) { |
iignatyev@6963 | 682 | return box(thread, env, vmSymbols::java_lang_Integer(), vmSymbols::Integer_valueOf_signature(), value); |
iignatyev@6963 | 683 | } |
iignatyev@6963 | 684 | static jobject longBox(JavaThread* thread, JNIEnv* env, jlong value) { |
iignatyev@6963 | 685 | return box(thread, env, vmSymbols::java_lang_Long(), vmSymbols::Long_valueOf_signature(), value); |
iignatyev@6963 | 686 | } |
iignatyev@6963 | 687 | /* static jobject floatBox(JavaThread* thread, JNIEnv* env, jfloat value) { |
iignatyev@6963 | 688 | return box(thread, env, vmSymbols::java_lang_Float(), vmSymbols::Float_valueOf_signature(), value); |
iignatyev@6963 | 689 | }*/ |
iignatyev@6963 | 690 | static jobject doubleBox(JavaThread* thread, JNIEnv* env, jdouble value) { |
iignatyev@6963 | 691 | return box(thread, env, vmSymbols::java_lang_Double(), vmSymbols::Double_valueOf_signature(), value); |
iignatyev@6963 | 692 | } |
iignatyev@6963 | 693 | |
iignatyev@6963 | 694 | WB_ENTRY(jobject, WB_GetBooleanVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 695 | bool result; |
iignatyev@6963 | 696 | if (GetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAt)) { |
iignatyev@6963 | 697 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 698 | return booleanBox(thread, env, result); |
iignatyev@6963 | 699 | } |
iignatyev@6963 | 700 | return NULL; |
iignatyev@6963 | 701 | WB_END |
iignatyev@6963 | 702 | |
iignatyev@6963 | 703 | WB_ENTRY(jobject, WB_GetIntxVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 704 | intx result; |
iignatyev@6963 | 705 | if (GetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAt)) { |
iignatyev@6963 | 706 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 707 | return longBox(thread, env, result); |
iignatyev@6963 | 708 | } |
iignatyev@6963 | 709 | return NULL; |
iignatyev@6963 | 710 | WB_END |
iignatyev@6963 | 711 | |
iignatyev@6963 | 712 | WB_ENTRY(jobject, WB_GetUintxVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 713 | uintx result; |
iignatyev@6963 | 714 | if (GetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAt)) { |
iignatyev@6963 | 715 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 716 | return longBox(thread, env, result); |
iignatyev@6963 | 717 | } |
iignatyev@6963 | 718 | return NULL; |
iignatyev@6963 | 719 | WB_END |
iignatyev@6963 | 720 | |
iignatyev@6963 | 721 | WB_ENTRY(jobject, WB_GetUint64VMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 722 | uint64_t result; |
iignatyev@6963 | 723 | if (GetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAt)) { |
iignatyev@6963 | 724 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 725 | return longBox(thread, env, result); |
iignatyev@6963 | 726 | } |
iignatyev@6963 | 727 | return NULL; |
iignatyev@6963 | 728 | WB_END |
iignatyev@6963 | 729 | |
iignatyev@6963 | 730 | WB_ENTRY(jobject, WB_GetDoubleVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 731 | double result; |
iignatyev@6963 | 732 | if (GetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAt)) { |
iignatyev@6963 | 733 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 734 | return doubleBox(thread, env, result); |
iignatyev@6963 | 735 | } |
iignatyev@6963 | 736 | return NULL; |
iignatyev@6963 | 737 | WB_END |
iignatyev@6963 | 738 | |
iignatyev@6963 | 739 | WB_ENTRY(jstring, WB_GetStringVMFlag(JNIEnv* env, jobject o, jstring name)) |
iignatyev@6963 | 740 | ccstr ccstrResult; |
iignatyev@6963 | 741 | if (GetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAt)) { |
iignatyev@6963 | 742 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 743 | jstring result = env->NewStringUTF(ccstrResult); |
iignatyev@6963 | 744 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6963 | 745 | return result; |
iignatyev@6963 | 746 | } |
iignatyev@6963 | 747 | return NULL; |
iignatyev@6963 | 748 | WB_END |
iignatyev@6963 | 749 | |
iignatyev@6963 | 750 | WB_ENTRY(void, WB_SetBooleanVMFlag(JNIEnv* env, jobject o, jstring name, jboolean value)) |
iignatyev@6963 | 751 | bool result = value == JNI_TRUE ? true : false; |
iignatyev@6963 | 752 | SetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAtPut); |
iignatyev@6963 | 753 | WB_END |
iignatyev@6963 | 754 | |
iignatyev@6963 | 755 | WB_ENTRY(void, WB_SetIntxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) |
iignatyev@6963 | 756 | intx result = value; |
iignatyev@6963 | 757 | SetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAtPut); |
iignatyev@6963 | 758 | WB_END |
iignatyev@6963 | 759 | |
iignatyev@6963 | 760 | WB_ENTRY(void, WB_SetUintxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) |
iignatyev@6963 | 761 | uintx result = value; |
iignatyev@6963 | 762 | SetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAtPut); |
iignatyev@6963 | 763 | WB_END |
iignatyev@6963 | 764 | |
iignatyev@6963 | 765 | WB_ENTRY(void, WB_SetUint64VMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) |
iignatyev@6963 | 766 | uint64_t result = value; |
iignatyev@6963 | 767 | SetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAtPut); |
iignatyev@6963 | 768 | WB_END |
iignatyev@6963 | 769 | |
iignatyev@6963 | 770 | WB_ENTRY(void, WB_SetDoubleVMFlag(JNIEnv* env, jobject o, jstring name, jdouble value)) |
iignatyev@6963 | 771 | double result = value; |
iignatyev@6963 | 772 | SetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAtPut); |
iignatyev@6963 | 773 | WB_END |
iignatyev@6963 | 774 | |
iignatyev@6963 | 775 | WB_ENTRY(void, WB_SetStringVMFlag(JNIEnv* env, jobject o, jstring name, jstring value)) |
iignatyev@6963 | 776 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
iignatyev@6963 | 777 | const char* ccstrValue = (value == NULL) ? NULL : env->GetStringUTFChars(value, NULL); |
iignatyev@6963 | 778 | ccstr ccstrResult = ccstrValue; |
iignatyev@6963 | 779 | bool needFree; |
iignatyev@6963 | 780 | { |
iignatyev@6963 | 781 | ThreadInVMfromNative ttvfn(thread); // back to VM |
iignatyev@6963 | 782 | needFree = SetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAtPut); |
iignatyev@6963 | 783 | } |
iignatyev@6963 | 784 | if (value != NULL) { |
iignatyev@6963 | 785 | env->ReleaseStringUTFChars(value, ccstrValue); |
iignatyev@6963 | 786 | } |
iignatyev@6963 | 787 | if (needFree) { |
iignatyev@6963 | 788 | FREE_C_HEAP_ARRAY(char, ccstrResult, mtInternal); |
iignatyev@6963 | 789 | } |
iignatyev@6963 | 790 | WB_END |
iignatyev@6963 | 791 | |
iignatyev@6963 | 792 | |
mgerdin@4850 | 793 | WB_ENTRY(jboolean, WB_IsInStringTable(JNIEnv* env, jobject o, jstring javaString)) |
mgerdin@4850 | 794 | ResourceMark rm(THREAD); |
mgerdin@4850 | 795 | int len; |
hseigel@4987 | 796 | jchar* name = java_lang_String::as_unicode_string(JNIHandles::resolve(javaString), len, CHECK_false); |
hseigel@4987 | 797 | return (StringTable::lookup(name, len) != NULL); |
mgerdin@4850 | 798 | WB_END |
mgerdin@4850 | 799 | |
mgerdin@4850 | 800 | WB_ENTRY(void, WB_FullGC(JNIEnv* env, jobject o)) |
mgerdin@4850 | 801 | Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(true); |
mgerdin@4850 | 802 | Universe::heap()->collect(GCCause::_last_ditch_collection); |
sjohanss@7165 | 803 | #if INCLUDE_ALL_GCS |
sjohanss@7165 | 804 | if (UseG1GC) { |
sjohanss@7165 | 805 | // Needs to be cleared explicitly for G1 |
sjohanss@7165 | 806 | Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(false); |
sjohanss@7165 | 807 | } |
sjohanss@7165 | 808 | #endif // INCLUDE_ALL_GCS |
mgerdin@4850 | 809 | WB_END |
mgerdin@4850 | 810 | |
tschatzl@7071 | 811 | WB_ENTRY(void, WB_YoungGC(JNIEnv* env, jobject o)) |
tschatzl@7071 | 812 | Universe::heap()->collect(GCCause::_wb_young_gc); |
tschatzl@7071 | 813 | WB_END |
mikael@4989 | 814 | |
mikael@5174 | 815 | WB_ENTRY(void, WB_ReadReservedMemory(JNIEnv* env, jobject o)) |
mikael@5174 | 816 | // static+volatile in order to force the read to happen |
mikael@5174 | 817 | // (not be eliminated by the compiler) |
mikael@5174 | 818 | static char c; |
mikael@5174 | 819 | static volatile char* p; |
mikael@5174 | 820 | |
mikael@5174 | 821 | p = os::reserve_memory(os::vm_allocation_granularity(), NULL, 0); |
mikael@5174 | 822 | if (p == NULL) { |
mikael@5174 | 823 | THROW_MSG(vmSymbols::java_lang_OutOfMemoryError(), "Failed to reserve memory"); |
mikael@5174 | 824 | } |
mikael@5174 | 825 | |
mikael@5174 | 826 | c = *p; |
mikael@4989 | 827 | WB_END |
mikael@4989 | 828 | |
iignatyev@6427 | 829 | WB_ENTRY(jstring, WB_GetCPUFeatures(JNIEnv* env, jobject o)) |
iignatyev@6427 | 830 | const char* cpu_features = VM_Version::cpu_features(); |
iignatyev@6427 | 831 | ThreadToNativeFromVM ttn(thread); |
iignatyev@6427 | 832 | jstring features_string = env->NewStringUTF(cpu_features); |
iignatyev@6427 | 833 | |
iignatyev@6427 | 834 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6427 | 835 | |
iignatyev@6427 | 836 | return features_string; |
iignatyev@6427 | 837 | WB_END |
iignatyev@6427 | 838 | |
iignatyev@6525 | 839 | |
iignatyev@6525 | 840 | WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
iignatyev@6525 | 841 | ResourceMark rm(THREAD); |
iignatyev@6525 | 842 | jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
iignatyev@6525 | 843 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6525 | 844 | methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
iignatyev@6525 | 845 | nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); |
iignatyev@6525 | 846 | jobjectArray result = NULL; |
iignatyev@6525 | 847 | if (code == NULL) { |
iignatyev@6525 | 848 | return result; |
iignatyev@6525 | 849 | } |
iignatyev@6525 | 850 | int insts_size = code->insts_size(); |
iignatyev@6525 | 851 | |
iignatyev@6525 | 852 | ThreadToNativeFromVM ttn(thread); |
iignatyev@6525 | 853 | jclass clazz = env->FindClass(vmSymbols::java_lang_Object()->as_C_string()); |
iignatyev@6525 | 854 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6525 | 855 | result = env->NewObjectArray(2, clazz, NULL); |
iignatyev@6525 | 856 | if (result == NULL) { |
iignatyev@6525 | 857 | return result; |
iignatyev@6525 | 858 | } |
iignatyev@6525 | 859 | |
iignatyev@6963 | 860 | jobject obj = integerBox(thread, env, code->comp_level()); |
iignatyev@6525 | 861 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6525 | 862 | env->SetObjectArrayElement(result, 0, obj); |
iignatyev@6525 | 863 | |
iignatyev@6525 | 864 | jbyteArray insts = env->NewByteArray(insts_size); |
iignatyev@6525 | 865 | CHECK_JNI_EXCEPTION_(env, NULL); |
iignatyev@6525 | 866 | env->SetByteArrayRegion(insts, 0, insts_size, (jbyte*) code->insts_begin()); |
iignatyev@6525 | 867 | env->SetObjectArrayElement(result, 1, insts); |
iignatyev@6525 | 868 | |
iignatyev@6525 | 869 | return result; |
iignatyev@6525 | 870 | WB_END |
iignatyev@6525 | 871 | |
iignatyev@6525 | 872 | |
stefank@6992 | 873 | int WhiteBox::array_bytes_to_length(size_t bytes) { |
stefank@6992 | 874 | return Array<u1>::bytes_to_length(bytes); |
stefank@6992 | 875 | } |
stefank@6992 | 876 | |
stefank@6992 | 877 | WB_ENTRY(jlong, WB_AllocateMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong size)) |
stefank@6992 | 878 | if (size < 0) { |
stefank@6992 | 879 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
stefank@6992 | 880 | err_msg("WB_AllocateMetaspace: size is negative: " JLONG_FORMAT, size)); |
stefank@6992 | 881 | } |
stefank@6992 | 882 | |
stefank@6992 | 883 | oop class_loader_oop = JNIHandles::resolve(class_loader); |
stefank@6992 | 884 | ClassLoaderData* cld = class_loader_oop != NULL |
stefank@6992 | 885 | ? java_lang_ClassLoader::loader_data(class_loader_oop) |
stefank@6992 | 886 | : ClassLoaderData::the_null_class_loader_data(); |
stefank@6992 | 887 | |
stefank@6992 | 888 | void* metadata = MetadataFactory::new_writeable_array<u1>(cld, WhiteBox::array_bytes_to_length((size_t)size), thread); |
stefank@6992 | 889 | |
stefank@6992 | 890 | return (jlong)(uintptr_t)metadata; |
stefank@6992 | 891 | WB_END |
stefank@6992 | 892 | |
stefank@6992 | 893 | WB_ENTRY(void, WB_FreeMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong addr, jlong size)) |
stefank@6992 | 894 | oop class_loader_oop = JNIHandles::resolve(class_loader); |
stefank@6992 | 895 | ClassLoaderData* cld = class_loader_oop != NULL |
stefank@6992 | 896 | ? java_lang_ClassLoader::loader_data(class_loader_oop) |
stefank@6992 | 897 | : ClassLoaderData::the_null_class_loader_data(); |
stefank@6992 | 898 | |
stefank@6992 | 899 | MetadataFactory::free_array(cld, (Array<u1>*)(uintptr_t)addr); |
stefank@6992 | 900 | WB_END |
stefank@6992 | 901 | |
ehelin@7254 | 902 | WB_ENTRY(jlong, WB_IncMetaspaceCapacityUntilGC(JNIEnv* env, jobject wb, jlong inc)) |
ehelin@7254 | 903 | if (inc < 0) { |
ehelin@7254 | 904 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
ehelin@7254 | 905 | err_msg("WB_IncMetaspaceCapacityUntilGC: inc is negative: " JLONG_FORMAT, inc)); |
ehelin@7254 | 906 | } |
ehelin@7254 | 907 | |
ehelin@7254 | 908 | jlong max_size_t = (jlong) ((size_t) -1); |
ehelin@7254 | 909 | if (inc > max_size_t) { |
ehelin@7254 | 910 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
ehelin@7254 | 911 | err_msg("WB_IncMetaspaceCapacityUntilGC: inc does not fit in size_t: " JLONG_FORMAT, inc)); |
ehelin@7254 | 912 | } |
ehelin@7254 | 913 | |
ehelin@7254 | 914 | size_t new_cap_until_GC = 0; |
ehelin@7254 | 915 | size_t aligned_inc = align_size_down((size_t) inc, Metaspace::commit_alignment()); |
ehelin@7254 | 916 | bool success = MetaspaceGC::inc_capacity_until_GC(aligned_inc, &new_cap_until_GC); |
ehelin@7254 | 917 | if (!success) { |
ehelin@7254 | 918 | THROW_MSG_0(vmSymbols::java_lang_IllegalStateException(), |
ehelin@7254 | 919 | "WB_IncMetaspaceCapacityUntilGC: could not increase capacity until GC " |
ehelin@7254 | 920 | "due to contention with another thread"); |
ehelin@7254 | 921 | } |
ehelin@7254 | 922 | return (jlong) new_cap_until_GC; |
ehelin@7254 | 923 | WB_END |
ehelin@7254 | 924 | |
ehelin@7254 | 925 | WB_ENTRY(jlong, WB_MetaspaceCapacityUntilGC(JNIEnv* env, jobject wb)) |
ehelin@7254 | 926 | return (jlong) MetaspaceGC::capacity_until_GC(); |
ehelin@7254 | 927 | WB_END |
ehelin@7254 | 928 | |
iklam@8497 | 929 | WB_ENTRY(jboolean, WB_IsSharedClass(JNIEnv* env, jobject wb, jclass clazz)) |
iklam@8497 | 930 | return (jboolean)MetaspaceShared::is_in_shared_space(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz))); |
iklam@8497 | 931 | WB_END |
iklam@8497 | 932 | |
bmoloden@7797 | 933 | WB_ENTRY(jboolean, WB_IsMonitorInflated(JNIEnv* env, jobject wb, jobject obj)) |
bmoloden@7797 | 934 | oop obj_oop = JNIHandles::resolve(obj); |
bmoloden@7797 | 935 | return (jboolean) obj_oop->mark()->has_monitor(); |
bmoloden@7797 | 936 | WB_END |
bmoloden@7797 | 937 | |
bmoloden@7797 | 938 | WB_ENTRY(void, WB_ForceSafepoint(JNIEnv* env, jobject wb)) |
bmoloden@7797 | 939 | VM_ForceSafepoint force_safepoint_op; |
bmoloden@7797 | 940 | VMThread::execute(&force_safepoint_op); |
bmoloden@7797 | 941 | WB_END |
bmoloden@7797 | 942 | |
nloodin@3681 | 943 | //Some convenience methods to deal with objects from java |
nloodin@3681 | 944 | int WhiteBox::offset_for_field(const char* field_name, oop object, |
nloodin@3681 | 945 | Symbol* signature_symbol) { |
nloodin@3681 | 946 | assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid"); |
nloodin@3681 | 947 | Thread* THREAD = Thread::current(); |
nloodin@3681 | 948 | |
nloodin@3681 | 949 | //Get the class of our object |
coleenp@4037 | 950 | Klass* arg_klass = object->klass(); |
nloodin@3681 | 951 | //Turn it into an instance-klass |
coleenp@4037 | 952 | InstanceKlass* ik = InstanceKlass::cast(arg_klass); |
nloodin@3681 | 953 | |
nloodin@3681 | 954 | //Create symbols to look for in the class |
nloodin@3681 | 955 | TempNewSymbol name_symbol = SymbolTable::lookup(field_name, (int) strlen(field_name), |
nloodin@3681 | 956 | THREAD); |
nloodin@3681 | 957 | |
nloodin@3681 | 958 | //To be filled in with an offset of the field we're looking for |
nloodin@3681 | 959 | fieldDescriptor fd; |
nloodin@3681 | 960 | |
coleenp@4037 | 961 | Klass* res = ik->find_field(name_symbol, signature_symbol, &fd); |
nloodin@3681 | 962 | if (res == NULL) { |
nloodin@3681 | 963 | tty->print_cr("Invalid layout of %s at %s", ik->external_name(), |
nloodin@3681 | 964 | name_symbol->as_C_string()); |
dbuck@7788 | 965 | vm_exit_during_initialization("Invalid layout of preloaded class: use -XX:+TraceClassLoading to see the origin of the problem class"); |
nloodin@3681 | 966 | } |
nloodin@3681 | 967 | |
nloodin@3681 | 968 | //fetch the field at the offset we've found |
nloodin@3681 | 969 | int dest_offset = fd.offset(); |
nloodin@3681 | 970 | |
nloodin@3681 | 971 | return dest_offset; |
nloodin@3681 | 972 | } |
nloodin@3681 | 973 | |
nloodin@3681 | 974 | |
nloodin@3681 | 975 | const char* WhiteBox::lookup_jstring(const char* field_name, oop object) { |
nloodin@3681 | 976 | int offset = offset_for_field(field_name, object, |
nloodin@3681 | 977 | vmSymbols::string_signature()); |
nloodin@3681 | 978 | oop string = object->obj_field(offset); |
sla@3905 | 979 | if (string == NULL) { |
sla@3905 | 980 | return NULL; |
sla@3905 | 981 | } |
nloodin@3681 | 982 | const char* ret = java_lang_String::as_utf8_string(string); |
nloodin@3681 | 983 | return ret; |
nloodin@3681 | 984 | } |
nloodin@3681 | 985 | |
nloodin@3681 | 986 | bool WhiteBox::lookup_bool(const char* field_name, oop object) { |
nloodin@3681 | 987 | int offset = |
nloodin@3681 | 988 | offset_for_field(field_name, object, vmSymbols::bool_signature()); |
nloodin@3681 | 989 | bool ret = (object->bool_field(offset) == JNI_TRUE); |
nloodin@3681 | 990 | return ret; |
nloodin@3681 | 991 | } |
nloodin@3681 | 992 | |
sjohanss@7165 | 993 | void WhiteBox::register_methods(JNIEnv* env, jclass wbclass, JavaThread* thread, JNINativeMethod* method_array, int method_count) { |
sjohanss@7165 | 994 | ResourceMark rm; |
sjohanss@7165 | 995 | ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI |
sjohanss@7165 | 996 | |
sjohanss@7165 | 997 | // one by one registration natives for exception catching |
sjohanss@7165 | 998 | jclass no_such_method_error_klass = env->FindClass(vmSymbols::java_lang_NoSuchMethodError()->as_C_string()); |
sjohanss@7165 | 999 | CHECK_JNI_EXCEPTION(env); |
sjohanss@7165 | 1000 | for (int i = 0, n = method_count; i < n; ++i) { |
sjohanss@7165 | 1001 | // Skip dummy entries |
sjohanss@7165 | 1002 | if (method_array[i].fnPtr == NULL) continue; |
sjohanss@7165 | 1003 | if (env->RegisterNatives(wbclass, &method_array[i], 1) != 0) { |
sjohanss@7165 | 1004 | jthrowable throwable_obj = env->ExceptionOccurred(); |
sjohanss@7165 | 1005 | if (throwable_obj != NULL) { |
sjohanss@7165 | 1006 | env->ExceptionClear(); |
sjohanss@7165 | 1007 | if (env->IsInstanceOf(throwable_obj, no_such_method_error_klass)) { |
sjohanss@7165 | 1008 | // NoSuchMethodError is thrown when a method can't be found or a method is not native. |
sjohanss@7165 | 1009 | // Ignoring the exception since it is not preventing use of other WhiteBox methods. |
sjohanss@7165 | 1010 | tty->print_cr("Warning: 'NoSuchMethodError' on register of sun.hotspot.WhiteBox::%s%s", |
sjohanss@7165 | 1011 | method_array[i].name, method_array[i].signature); |
sjohanss@7165 | 1012 | } |
sjohanss@7165 | 1013 | } else { |
sjohanss@7165 | 1014 | // Registration failed unexpectedly. |
sjohanss@7165 | 1015 | tty->print_cr("Warning: unexpected error on register of sun.hotspot.WhiteBox::%s%s. All methods will be unregistered", |
sjohanss@7165 | 1016 | method_array[i].name, method_array[i].signature); |
sjohanss@7165 | 1017 | env->UnregisterNatives(wbclass); |
sjohanss@7165 | 1018 | break; |
sjohanss@7165 | 1019 | } |
sjohanss@7165 | 1020 | } |
sjohanss@7165 | 1021 | } |
sjohanss@7165 | 1022 | } |
nloodin@3681 | 1023 | |
dbuck@9186 | 1024 | // Checks that the library libfile has the noexecstack bit set. |
dbuck@9186 | 1025 | WB_ENTRY(jboolean, WB_CheckLibSpecifiesNoexecstack(JNIEnv* env, jobject o, jstring libfile)) |
dbuck@9186 | 1026 | jboolean ret = false; |
dbuck@9186 | 1027 | #ifdef LINUX |
dbuck@9186 | 1028 | // Can't be in VM when we call JNI. |
dbuck@9186 | 1029 | ThreadToNativeFromVM ttnfv(thread); |
dbuck@9186 | 1030 | const char* lf = env->GetStringUTFChars(libfile, NULL); |
dbuck@9186 | 1031 | CHECK_JNI_EXCEPTION_(env, 0); |
dbuck@9186 | 1032 | ElfFile ef(lf); |
dbuck@9186 | 1033 | ret = (jboolean) ef.specifies_noexecstack(); |
dbuck@9186 | 1034 | env->ReleaseStringUTFChars(libfile, lf); |
dbuck@9186 | 1035 | #endif |
dbuck@9186 | 1036 | return ret; |
dbuck@9186 | 1037 | WB_END |
dbuck@9186 | 1038 | |
vaibhav@9421 | 1039 | WB_ENTRY(jboolean, WB_IsContainerized(JNIEnv* env, jobject o)) |
vaibhav@9421 | 1040 | LINUX_ONLY(return OSContainer::is_containerized();) |
vaibhav@9421 | 1041 | return false; |
vaibhav@9421 | 1042 | WB_END |
vaibhav@9421 | 1043 | |
vaibhav@9421 | 1044 | WB_ENTRY(void, WB_PrintOsInfo(JNIEnv* env, jobject o)) |
vaibhav@9421 | 1045 | os::print_os_info(tty); |
vaibhav@9421 | 1046 | WB_END |
vaibhav@9421 | 1047 | |
mgerdin@3619 | 1048 | #define CC (char*) |
mgerdin@3619 | 1049 | |
mgerdin@3619 | 1050 | static JNINativeMethod methods[] = { |
mgerdin@3619 | 1051 | {CC"getObjectAddress", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress }, |
tschatzl@7071 | 1052 | {CC"getObjectSize", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectSize }, |
tschatzl@7071 | 1053 | {CC"isObjectInOldGen", CC"(Ljava/lang/Object;)Z", (void*)&WB_isObjectInOldGen }, |
mgerdin@3619 | 1054 | {CC"getHeapOopSize", CC"()I", (void*)&WB_GetHeapOopSize }, |
minqi@7779 | 1055 | {CC"getVMPageSize", CC"()I", (void*)&WB_GetVMPageSize }, |
tschatzl@7781 | 1056 | {CC"getVMLargePageSize", CC"()J", (void*)&WB_GetVMLargePageSize}, |
iignatyev@4592 | 1057 | {CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive }, |
iklam@7322 | 1058 | {CC"classKnownToNotExist", |
iklam@7322 | 1059 | CC"(Ljava/lang/ClassLoader;Ljava/lang/String;)Z",(void*)&WB_ClassKnownToNotExist}, |
iklam@7322 | 1060 | {CC"getLookupCacheURLs", CC"(Ljava/lang/ClassLoader;)[Ljava/net/URL;", (void*)&WB_GetLookupCacheURLs}, |
iklam@7322 | 1061 | {CC"getLookupCacheMatches", CC"(Ljava/lang/ClassLoader;Ljava/lang/String;)[I", |
iklam@7322 | 1062 | (void*)&WB_GetLookupCacheMatches}, |
iignatyev@4592 | 1063 | {CC"parseCommandLine", |
iignatyev@4592 | 1064 | CC"(Ljava/lang/String;[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;", |
nloodin@3681 | 1065 | (void*) &WB_ParseCommandLine |
nloodin@3681 | 1066 | }, |
iklam@7381 | 1067 | {CC"addToBootstrapClassLoaderSearch", CC"(Ljava/lang/String;)V", |
iklam@7381 | 1068 | (void*)&WB_AddToBootstrapClassLoaderSearch}, |
iklam@7381 | 1069 | {CC"addToSystemClassLoaderSearch", CC"(Ljava/lang/String;)V", |
iklam@7381 | 1070 | (void*)&WB_AddToSystemClassLoaderSearch}, |
tschatzl@5701 | 1071 | {CC"getCompressedOopsMaxHeapSize", CC"()J", |
tschatzl@5701 | 1072 | (void*)&WB_GetCompressedOopsMaxHeapSize}, |
tschatzl@5073 | 1073 | {CC"printHeapSizes", CC"()V", (void*)&WB_PrintHeapSizes }, |
mgerdin@6078 | 1074 | {CC"runMemoryUnitTests", CC"()V", (void*)&WB_RunMemoryUnitTests}, |
mgerdin@6078 | 1075 | {CC"readFromNoaccessArea",CC"()V", (void*)&WB_ReadFromNoaccessArea}, |
mgerdin@6078 | 1076 | {CC"stressVirtualSpaceResize",CC"(JJJ)I", (void*)&WB_StressVirtualSpaceResize}, |
iklam@8497 | 1077 | {CC"isSharedClass", CC"(Ljava/lang/Class;)Z", (void*)&WB_IsSharedClass }, |
jprovino@4542 | 1078 | #if INCLUDE_ALL_GCS |
mgerdin@3619 | 1079 | {CC"g1InConcurrentMark", CC"()Z", (void*)&WB_G1InConcurrentMark}, |
mgerdin@3619 | 1080 | {CC"g1IsHumongous", CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous }, |
azakharov@7835 | 1081 | {CC"g1NumMaxRegions", CC"()J", (void*)&WB_G1NumMaxRegions }, |
mgerdin@3619 | 1082 | {CC"g1NumFreeRegions", CC"()J", (void*)&WB_G1NumFreeRegions }, |
mgerdin@3619 | 1083 | {CC"g1RegionSize", CC"()I", (void*)&WB_G1RegionSize }, |
kevinw@8194 | 1084 | {CC"g1StartConcMarkCycle", CC"()Z", (void*)&WB_G1StartMarkCycle }, |
azakharov@7835 | 1085 | {CC"g1AuxiliaryMemoryUsage", CC"()Ljava/lang/management/MemoryUsage;", |
azakharov@7835 | 1086 | (void*)&WB_G1AuxiliaryMemoryUsage }, |
jprovino@4542 | 1087 | #endif // INCLUDE_ALL_GCS |
cjplummer@5586 | 1088 | #if INCLUDE_NMT |
ctornqvi@4885 | 1089 | {CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc }, |
zgu@7074 | 1090 | {CC"NMTMallocWithPseudoStack", CC"(JI)J", (void*)&WB_NMTMallocWithPseudoStack}, |
zgu@9621 | 1091 | {CC"NMTMallocWithPseudoStackAndType", CC"(JII)J", (void*)&WB_NMTMallocWithPseudoStackAndType}, |
ctornqvi@4885 | 1092 | {CC"NMTFree", CC"(J)V", (void*)&WB_NMTFree }, |
ctornqvi@4885 | 1093 | {CC"NMTReserveMemory", CC"(J)J", (void*)&WB_NMTReserveMemory }, |
ctornqvi@4885 | 1094 | {CC"NMTCommitMemory", CC"(JJ)V", (void*)&WB_NMTCommitMemory }, |
ctornqvi@4885 | 1095 | {CC"NMTUncommitMemory", CC"(JJ)V", (void*)&WB_NMTUncommitMemory }, |
ctornqvi@4885 | 1096 | {CC"NMTReleaseMemory", CC"(JJ)V", (void*)&WB_NMTReleaseMemory }, |
cjplummer@5586 | 1097 | {CC"NMTIsDetailSupported",CC"()Z", (void*)&WB_NMTIsDetailSupported}, |
coleenp@7267 | 1098 | {CC"NMTChangeTrackingLevel", CC"()Z", (void*)&WB_NMTChangeTrackingLevel}, |
gtriantafill@7342 | 1099 | {CC"NMTGetHashSize", CC"()I", (void*)&WB_NMTGetHashSize }, |
ctornqvi@4512 | 1100 | #endif // INCLUDE_NMT |
iignatyev@4592 | 1101 | {CC"deoptimizeAll", CC"()V", (void*)&WB_DeoptimizeAll }, |
iignatyev@5541 | 1102 | {CC"deoptimizeMethod", CC"(Ljava/lang/reflect/Executable;Z)I", |
iignatyev@4592 | 1103 | (void*)&WB_DeoptimizeMethod }, |
iignatyev@5541 | 1104 | {CC"isMethodCompiled", CC"(Ljava/lang/reflect/Executable;Z)Z", |
iignatyev@4592 | 1105 | (void*)&WB_IsMethodCompiled }, |
iignatyev@5541 | 1106 | {CC"isMethodCompilable", CC"(Ljava/lang/reflect/Executable;IZ)Z", |
iignatyev@4592 | 1107 | (void*)&WB_IsMethodCompilable}, |
iignatyev@4592 | 1108 | {CC"isMethodQueuedForCompilation", |
iignatyev@4951 | 1109 | CC"(Ljava/lang/reflect/Executable;)Z", (void*)&WB_IsMethodQueuedForCompilation}, |
iignatyev@4592 | 1110 | {CC"makeMethodNotCompilable", |
iignatyev@5541 | 1111 | CC"(Ljava/lang/reflect/Executable;IZ)V", (void*)&WB_MakeMethodNotCompilable}, |
iignatyev@4908 | 1112 | {CC"testSetDontInlineMethod", |
iignatyev@4951 | 1113 | CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetDontInlineMethod}, |
iignatyev@4592 | 1114 | {CC"getMethodCompilationLevel", |
iignatyev@5541 | 1115 | CC"(Ljava/lang/reflect/Executable;Z)I", (void*)&WB_GetMethodCompilationLevel}, |
iignatyev@5541 | 1116 | {CC"getMethodEntryBci", |
iignatyev@5541 | 1117 | CC"(Ljava/lang/reflect/Executable;)I", (void*)&WB_GetMethodEntryBci}, |
iignatyev@5541 | 1118 | {CC"getCompileQueueSize", |
iignatyev@5541 | 1119 | CC"(I)I", (void*)&WB_GetCompileQueueSize}, |
iignatyev@4908 | 1120 | {CC"testSetForceInlineMethod", |
iignatyev@4951 | 1121 | CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetForceInlineMethod}, |
iignatyev@4908 | 1122 | {CC"enqueueMethodForCompilation", |
iignatyev@5541 | 1123 | CC"(Ljava/lang/reflect/Executable;II)Z", (void*)&WB_EnqueueMethodForCompilation}, |
iignatyev@4908 | 1124 | {CC"clearMethodState", |
iignatyev@4951 | 1125 | CC"(Ljava/lang/reflect/Executable;)V", (void*)&WB_ClearMethodState}, |
iignatyev@6963 | 1126 | {CC"setBooleanVMFlag", CC"(Ljava/lang/String;Z)V",(void*)&WB_SetBooleanVMFlag}, |
iignatyev@6963 | 1127 | {CC"setIntxVMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetIntxVMFlag}, |
iignatyev@6963 | 1128 | {CC"setUintxVMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetUintxVMFlag}, |
iignatyev@6963 | 1129 | {CC"setUint64VMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetUint64VMFlag}, |
iignatyev@6963 | 1130 | {CC"setDoubleVMFlag", CC"(Ljava/lang/String;D)V",(void*)&WB_SetDoubleVMFlag}, |
iignatyev@6963 | 1131 | {CC"setStringVMFlag", CC"(Ljava/lang/String;Ljava/lang/String;)V", |
iignatyev@6963 | 1132 | (void*)&WB_SetStringVMFlag}, |
iignatyev@6963 | 1133 | {CC"getBooleanVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Boolean;", |
iignatyev@6963 | 1134 | (void*)&WB_GetBooleanVMFlag}, |
iignatyev@6963 | 1135 | {CC"getIntxVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", |
iignatyev@6963 | 1136 | (void*)&WB_GetIntxVMFlag}, |
iignatyev@6963 | 1137 | {CC"getUintxVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", |
iignatyev@6963 | 1138 | (void*)&WB_GetUintxVMFlag}, |
iignatyev@6963 | 1139 | {CC"getUint64VMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", |
iignatyev@6963 | 1140 | (void*)&WB_GetUint64VMFlag}, |
iignatyev@6963 | 1141 | {CC"getDoubleVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Double;", |
iignatyev@6963 | 1142 | (void*)&WB_GetDoubleVMFlag}, |
iignatyev@6963 | 1143 | {CC"getStringVMFlag", CC"(Ljava/lang/String;)Ljava/lang/String;", |
iignatyev@6963 | 1144 | (void*)&WB_GetStringVMFlag}, |
iignatyev@6963 | 1145 | {CC"isInStringTable", CC"(Ljava/lang/String;)Z", (void*)&WB_IsInStringTable }, |
mgerdin@4850 | 1146 | {CC"fullGC", CC"()V", (void*)&WB_FullGC }, |
tschatzl@7071 | 1147 | {CC"youngGC", CC"()V", (void*)&WB_YoungGC }, |
mikael@5174 | 1148 | {CC"readReservedMemory", CC"()V", (void*)&WB_ReadReservedMemory }, |
stefank@6992 | 1149 | {CC"allocateMetaspace", |
stefank@6992 | 1150 | CC"(Ljava/lang/ClassLoader;J)J", (void*)&WB_AllocateMetaspace }, |
stefank@6992 | 1151 | {CC"freeMetaspace", |
stefank@6992 | 1152 | CC"(Ljava/lang/ClassLoader;JJ)V", (void*)&WB_FreeMetaspace }, |
ehelin@7254 | 1153 | {CC"incMetaspaceCapacityUntilGC", CC"(J)J", (void*)&WB_IncMetaspaceCapacityUntilGC }, |
ehelin@7254 | 1154 | {CC"metaspaceCapacityUntilGC", CC"()J", (void*)&WB_MetaspaceCapacityUntilGC }, |
iignatyev@6427 | 1155 | {CC"getCPUFeatures", CC"()Ljava/lang/String;", (void*)&WB_GetCPUFeatures }, |
iignatyev@6525 | 1156 | {CC"getNMethod", CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;", |
iignatyev@6525 | 1157 | (void*)&WB_GetNMethod }, |
bmoloden@7797 | 1158 | {CC"isMonitorInflated", CC"(Ljava/lang/Object;)Z", (void*)&WB_IsMonitorInflated }, |
bmoloden@7797 | 1159 | {CC"forceSafepoint", CC"()V", (void*)&WB_ForceSafepoint }, |
dbuck@9186 | 1160 | {CC"checkLibSpecifiesNoexecstack", CC"(Ljava/lang/String;)Z", |
dbuck@9186 | 1161 | (void*)&WB_CheckLibSpecifiesNoexecstack}, |
vaibhav@9421 | 1162 | {CC"isContainerized", CC"()Z", (void*)&WB_IsContainerized }, |
vaibhav@9421 | 1163 | {CC"printOsInfo", CC"()V", (void*)&WB_PrintOsInfo }, |
mgerdin@3619 | 1164 | }; |
mgerdin@3619 | 1165 | |
mgerdin@3619 | 1166 | #undef CC |
mgerdin@3619 | 1167 | |
mgerdin@3619 | 1168 | JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass)) |
mgerdin@3619 | 1169 | { |
mgerdin@3619 | 1170 | if (WhiteBoxAPI) { |
mgerdin@3619 | 1171 | // Make sure that wbclass is loaded by the null classloader |
mgerdin@3619 | 1172 | instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass()); |
mgerdin@3619 | 1173 | Handle loader(ikh->class_loader()); |
mgerdin@3619 | 1174 | if (loader.is_null()) { |
sjohanss@7165 | 1175 | WhiteBox::register_methods(env, wbclass, thread, methods, sizeof(methods) / sizeof(methods[0])); |
sjohanss@7165 | 1176 | WhiteBox::register_extended(env, wbclass, thread); |
sjohanss@7165 | 1177 | WhiteBox::set_used(); |
mgerdin@3619 | 1178 | } |
mgerdin@3619 | 1179 | } |
mgerdin@3619 | 1180 | } |
mgerdin@3619 | 1181 | JVM_END |