src/share/vm/prims/jvmtiTrace.hpp

changeset 0
f90c822e73f8
child 6876
710a3c8b516e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/prims/jvmtiTrace.hpp	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,112 @@
     1.4 +/*
     1.5 + * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#ifndef SHARE_VM_PRIMS_JVMTITRACE_HPP
    1.29 +#define SHARE_VM_PRIMS_JVMTITRACE_HPP
    1.30 +
    1.31 +#include "classfile/systemDictionary.hpp"
    1.32 +#include "jvmtifiles/jvmti.h"
    1.33 +#include "oops/objArrayOop.hpp"
    1.34 +#include "prims/jvmtiEnvThreadState.hpp"
    1.35 +#include "prims/jvmtiEventController.hpp"
    1.36 +#include "prims/jvmtiUtil.hpp"
    1.37 +#include "runtime/stackValueCollection.hpp"
    1.38 +#include "runtime/vm_operations.hpp"
    1.39 +
    1.40 +///////////////////////////////////////////////////////////////
    1.41 +//
    1.42 +// class JvmtiTrace
    1.43 +//
    1.44 +// Support for JVMTI tracing code
    1.45 +//
    1.46 +
    1.47 +// Support tracing except in product build on the client compiler
    1.48 +#ifndef PRODUCT
    1.49 +#define JVMTI_TRACE
    1.50 +#else
    1.51 +#ifdef COMPILER2
    1.52 +#define JVMTI_TRACE
    1.53 +#endif
    1.54 +#endif
    1.55 +
    1.56 +#ifdef JVMTI_TRACE
    1.57 +
    1.58 +class JvmtiTrace : AllStatic {
    1.59 +
    1.60 +  static bool        _initialized;
    1.61 +  static bool        _on;
    1.62 +  static bool        _trace_event_controller;
    1.63 +  static jbyte       _trace_flags[];
    1.64 +  static jbyte       _event_trace_flags[];
    1.65 +  static const char* _event_names[];
    1.66 +  static jint        _max_function_index;
    1.67 +  static jint        _max_event_index;
    1.68 +  static short       _exclude_functions[];
    1.69 +  static const char* _function_names[];
    1.70 +
    1.71 +public:
    1.72 +
    1.73 +  enum {
    1.74 +    SHOW_IN =              01,
    1.75 +    SHOW_OUT =             02,
    1.76 +    SHOW_ERROR =           04,
    1.77 +    SHOW_IN_DETAIL =      010,
    1.78 +    SHOW_OUT_DETAIL =     020,
    1.79 +    SHOW_EVENT_TRIGGER =  040,
    1.80 +    SHOW_EVENT_SENT =    0100
    1.81 +  };
    1.82 +
    1.83 +  static bool tracing()                     { return _on; }
    1.84 +  static bool trace_event_controller()      { return _trace_event_controller; }
    1.85 +  static jbyte trace_flags(int num)         { return _trace_flags[num]; }
    1.86 +  static jbyte event_trace_flags(int num)   { return _event_trace_flags[num]; }
    1.87 +  static const char* function_name(int num) { return _function_names[num]; } // To Do: add range checking
    1.88 +
    1.89 +  static const char* event_name(int num) {
    1.90 +    static char* ext_event_name = (char*)"(extension event)";
    1.91 +    if (num >= JVMTI_MIN_EVENT_TYPE_VAL && num <= JVMTI_MAX_EVENT_TYPE_VAL) {
    1.92 +      return _event_names[num];
    1.93 +    } else {
    1.94 +      return ext_event_name;
    1.95 +    }
    1.96 +  }
    1.97 +
    1.98 +  static const char* enum_name(const char** names, const jint* values, jint value);
    1.99 +
   1.100 +  static void initialize();
   1.101 +  static void shutdown();
   1.102 +
   1.103 +  // return a valid string no matter what state the thread is in
   1.104 +  static const char *safe_get_thread_name(Thread *thread);
   1.105 +
   1.106 +  // return the name of the current thread
   1.107 +  static const char *safe_get_current_thread_name();
   1.108 +
   1.109 +  // return a valid string no matter what the state of k_mirror
   1.110 +  static const char *get_class_name(oop k_mirror);
   1.111 +};
   1.112 +
   1.113 +#endif /*JVMTI_TRACE */
   1.114 +
   1.115 +#endif // SHARE_VM_PRIMS_JVMTITRACE_HPP

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