src/hotspot/share/prims/jvmtiCodeBlobEvents.hpp
changeset 47216 71c04702a3d5
parent 15432 9d976ca484d8
child 53244 9807daeb47c4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/prims/jvmtiCodeBlobEvents.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_PRIMS_JVMTICODEBLOBEVENTS_HPP
+#define SHARE_VM_PRIMS_JVMTICODEBLOBEVENTS_HPP
+
+#include "jvmtifiles/jvmti.h"
+
+// forward declaration
+class JvmtiEnv;
+
+
+// JVMTI code blob event support
+// -- used by GenerateEvents to generate CompiledMethodLoad and
+//    DynamicCodeGenerated events
+// -- also provide utility function build_jvmti_addr_location_map to create
+//    a jvmtiAddrLocationMap list for a nmethod.
+
+class JvmtiCodeBlobEvents : public AllStatic {
+ public:
+
+  // generate a DYNAMIC_CODE_GENERATED_EVENT event for each non-nmethod
+  // code blob in the code cache.
+  static jvmtiError generate_dynamic_code_events(JvmtiEnv* env);
+
+  // generate a COMPILED_METHOD_LOAD event for each nmethod
+  // code blob in the code cache.
+  static jvmtiError generate_compiled_method_load_events(JvmtiEnv* env);
+
+  // create a C-heap allocated address location map for an nmethod
+  static void build_jvmti_addr_location_map(nmethod *nm, jvmtiAddrLocationMap** map,
+                                            jint *map_length);
+};
+
+#endif // SHARE_VM_PRIMS_JVMTICODEBLOBEVENTS_HPP