1 /*
   2  * Copyright (c) 2003, 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  */
  24 
  25 #ifndef _JVMTI_CODE_BLOB_EVENTS_H_
  26 #define _JVMTI_CODE_BLOB_EVENTS_H_
  27 
  28 // forward declaration
  29 class JvmtiEnv;
  30 
  31 
  32 // JVMTI code blob event support
  33 // -- used by GenerateEvents to generate CompiledMethodLoad and
  34 //    DynamicCodeGenerated events
  35 // -- also provide utility function build_jvmti_addr_location_map to create
  36 //    a jvmtiAddrLocationMap list for a nmethod.
  37 
  38 class JvmtiCodeBlobEvents : public AllStatic {
  39  public:
  40 
  41   // generate a DYNAMIC_CODE_GENERATED_EVENT event for each non-nmethod
  42   // code blob in the code cache.
  43   static jvmtiError generate_dynamic_code_events(JvmtiEnv* env);
  44 
  45   // generate a COMPILED_METHOD_LOAD event for each nmethod
  46   // code blob in the code cache.
  47   static jvmtiError generate_compiled_method_load_events(JvmtiEnv* env);
  48 
  49   // create a C-heap allocated address location map for an nmethod
  50   static void build_jvmti_addr_location_map(nmethod *nm, jvmtiAddrLocationMap** map,
  51                                             jint *map_length);
  52 };
  53 
  54 #endif