jdk8-mips64-public/hotspot: src/share/vm/prims/whitebox.cpp@a735aec54ea4

7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02
Summary: The JVMTI ResourceExhausted events must be generated in all places where OOME is thrown
Reviewed-by: acorn, coleenp, dcubed, dholmes, dsamersoff, jwilhelm, tonyp
Contributed-by: serguei.spitsyn@oracle.com

     1 /*

     2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #include "precompiled.hpp"

    27 #include "jni.h"

    29 #include "memory/universe.hpp"

    30 #include "oops/oop.inline.hpp"

    31 #include "prims/whitebox.hpp"

    32 #include "runtime/interfaceSupport.hpp"

    33 #include "runtime/os.hpp"

    34 #include "utilities/debug.hpp"

    36 #ifndef SERIALGC

    37 #include "gc_implementation/g1/concurrentMark.hpp"

    38 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"

    39 #include "gc_implementation/g1/heapRegionRemSet.hpp"

    40 #endif // !SERIALGC

    42 bool WhiteBox::_used = false;

    44 // Entry macro to transition from JNI to VM state.

    46 #define WB_ENTRY(result_type, header) JNI_ENTRY(result_type, header)

    47 #define WB_END JNI_END

    49 // Definitions of functions exposed via Whitebox API

    51 WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj))

    52   return (jlong)(void*)JNIHandles::resolve(obj);

    53 WB_END

    55 WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o))

    56   return heapOopSize;

    57 WB_END

    59 #ifndef SERIALGC

    60 WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj))

    61   G1CollectedHeap* g1 = G1CollectedHeap::heap();

    62   oop result = JNIHandles::resolve(obj);

    63   const HeapRegion* hr = g1->heap_region_containing(result);

    64   return hr->isHumongous();

    65 WB_END

    67 WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o))

    68   G1CollectedHeap* g1 = G1CollectedHeap::heap();

    69   size_t nr = g1->free_regions();

    70   return (jlong)nr;

    71 WB_END

    73 WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o))

    74   G1CollectedHeap* g1 = G1CollectedHeap::heap();

    75   ConcurrentMark* cm = g1->concurrent_mark();

    76   return cm->concurrent_marking_in_progress();

    77 WB_END

    79 WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o))

    80   return (jint)HeapRegion::GrainBytes;

    81 WB_END

    82 #endif // !SERIALGC

    84 #define CC (char*)

    86 static JNINativeMethod methods[] = {

    87   {CC"getObjectAddress",   CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress  },

    88   {CC"getHeapOopSize",     CC"()I",                   (void*)&WB_GetHeapOopSize    },

    89 #ifndef SERIALGC

    90   {CC"g1InConcurrentMark", CC"()Z",                   (void*)&WB_G1InConcurrentMark},

    91   {CC"g1IsHumongous",      CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous     },

    92   {CC"g1NumFreeRegions",   CC"()J",                   (void*)&WB_G1NumFreeRegions  },

    93   {CC"g1RegionSize",       CC"()I",                   (void*)&WB_G1RegionSize      },

    94 #endif // !SERIALGC

    95 };

    97 #undef CC

    99 JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))

   100   {

   101     if (WhiteBoxAPI) {

   102       // Make sure that wbclass is loaded by the null classloader

   103       instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass());

   104       Handle loader(ikh->class_loader());

   105       if (loader.is_null()) {

   106         ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI

   107         jint result = env->RegisterNatives(wbclass, methods, sizeof(methods)/sizeof(methods[0]));

   108         if (result == 0) {

   109           WhiteBox::set_used();

   110         }

   111       }

   112     }

   113   }

   114 JVM_END

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/prims/whitebox.cpp@a735aec54ea4

src/share/vm/prims/whitebox.cpp