1/* 2 * Copyright (c) 1999, 2013, 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 SHARE_VM_PRIMS_JVMTITRACE_HPP 26#define SHARE_VM_PRIMS_JVMTITRACE_HPP 27 28#include "classfile/systemDictionary.hpp" 29#include "jvmtifiles/jvmti.h" 30#include "oops/objArrayOop.hpp" 31#include "prims/jvmtiEnvThreadState.hpp" 32#include "prims/jvmtiEventController.hpp" 33#include "prims/jvmtiUtil.hpp" 34#include "runtime/stackValueCollection.hpp" 35#include "runtime/vm_operations.hpp" 36 37/////////////////////////////////////////////////////////////// 38// 39// class JvmtiTrace 40// 41// Support for JVMTI tracing code 42// 43 44// Support tracing except in product build on the client compiler 45#ifndef PRODUCT 46#define JVMTI_TRACE 47#else 48#ifdef COMPILER2 49#define JVMTI_TRACE 50#endif 51#endif 52 53#ifdef JVMTI_TRACE 54 55class JvmtiTrace : AllStatic { 56 57 static bool _initialized; 58 static bool _on; 59 static bool _trace_event_controller; 60 static jbyte _trace_flags[]; 61 static jbyte _event_trace_flags[]; 62 static const char* _event_names[]; 63 static jint _max_function_index; 64 static jint _max_event_index; 65 static short _exclude_functions[]; 66 static const char* _function_names[]; 67 68public: 69 70 enum { 71 SHOW_IN = 01, 72 SHOW_OUT = 02, 73 SHOW_ERROR = 04, 74 SHOW_IN_DETAIL = 010, 75 SHOW_OUT_DETAIL = 020, 76 SHOW_EVENT_TRIGGER = 040, 77 SHOW_EVENT_SENT = 0100 78 }; 79 80 static bool tracing() { return _on; } 81 static bool trace_event_controller() { return _trace_event_controller; } 82 static jbyte trace_flags(int num) { return _trace_flags[num]; } 83 static jbyte event_trace_flags(int num) { return _event_trace_flags[num]; } 84 static const char* function_name(int num) { return _function_names[num]; } // To Do: add range checking 85 86 static const char* event_name(int num) { 87 static char* ext_event_name = (char*)"(extension event)"; 88 if (num >= JVMTI_MIN_EVENT_TYPE_VAL && num <= JVMTI_MAX_EVENT_TYPE_VAL) { 89 return _event_names[num]; 90 } else { 91 return ext_event_name; 92 } 93 } 94 95 static const char* enum_name(const char** names, const jint* values, jint value); 96 97 static void initialize(); 98 static void shutdown(); 99 100 // return a valid string no matter what state the thread is in 101 static const char *safe_get_thread_name(Thread *thread); 102 103 // return the name of the current thread 104 static const char *safe_get_current_thread_name(); 105 106 // return a valid string no matter what the state of k_mirror 107 static const char *get_class_name(oop k_mirror); 108}; 109 110#endif /*JVMTI_TRACE */ 111 112#endif // SHARE_VM_PRIMS_JVMTITRACE_HPP 113