src/share/vm/prims/jvmtiCodeBlobEvents.hpp

Wed, 28 Nov 2012 17:50:21 -0500

author
coleenp
date
Wed, 28 Nov 2012 17:50:21 -0500
changeset 4295
59c790074993
parent 2314
f95d63e2154a
child 4492
8b46b0196eb0
permissions
-rw-r--r--

8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
Summary: Make metaspace::contains be lock free and used to see if something is in metaspace, also compare Method* with vtbl pointer.
Reviewed-by: dholmes, sspitsyn, dcubed, jmasa

     1 /*
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     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.
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     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
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    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
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    25 #ifndef SHARE_VM_PRIMS_JVMTICODEBLOBEVENTS_HPP
    26 #define SHARE_VM_PRIMS_JVMTICODEBLOBEVENTS_HPP
    28 #ifndef JVMTI_KERNEL
    29 #include "jvmtifiles/jvmti.h"
    30 #endif
    32 // forward declaration
    33 class JvmtiEnv;
    36 // JVMTI code blob event support
    37 // -- used by GenerateEvents to generate CompiledMethodLoad and
    38 //    DynamicCodeGenerated events
    39 // -- also provide utility function build_jvmti_addr_location_map to create
    40 //    a jvmtiAddrLocationMap list for a nmethod.
    42 class JvmtiCodeBlobEvents : public AllStatic {
    43  public:
    45   // generate a DYNAMIC_CODE_GENERATED_EVENT event for each non-nmethod
    46   // code blob in the code cache.
    47   static jvmtiError generate_dynamic_code_events(JvmtiEnv* env);
    49   // generate a COMPILED_METHOD_LOAD event for each nmethod
    50   // code blob in the code cache.
    51   static jvmtiError generate_compiled_method_load_events(JvmtiEnv* env);
    53   // create a C-heap allocated address location map for an nmethod
    54   static void build_jvmti_addr_location_map(nmethod *nm, jvmtiAddrLocationMap** map,
    55                                             jint *map_length);
    56 };
    58 #endif // SHARE_VM_PRIMS_JVMTICODEBLOBEVENTS_HPP

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