jdk8-mips64-public/hotspot: src/share/vm/trace/traceStream.hpp@7ae4e26cb1e0

     1 /*

     2  * Copyright (c) 2012, 2014, 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  */

    25 #ifndef SHARE_VM_TRACE_TRACESTREAM_HPP

    26 #define SHARE_VM_TRACE_TRACESTREAM_HPP

    28 #include "utilities/macros.hpp"

    29 #if INCLUDE_TRACE

    30 #include "oops/klass.hpp"

    31 #include "oops/method.hpp"

    32 #include "oops/symbol.hpp"

    33 #include "utilities/ostream.hpp"

    35 class TraceStream : public StackObj {

    36  private:

    37   outputStream& _st;

    39  public:

    40   TraceStream(outputStream& stream): _st(stream) {}

    42   void print_val(const char* label, u1 val) {

    43     _st.print("%s = "UINT32_FORMAT, label, val);

    44   }

    46   void print_val(const char* label, u2 val) {

    47     _st.print("%s = "UINT32_FORMAT, label, val);

    48   }

    50   void print_val(const char* label, s2 val) {

    51     _st.print("%s = "INT32_FORMAT, label, val);

    52   }

    54   void print_val(const char* label, u4 val) {

    55     _st.print("%s = "UINT32_FORMAT, label, val);

    56   }

    58   void print_val(const char* label, s4 val) {

    59     _st.print("%s = "INT32_FORMAT, label, val);

    60   }

    62   void print_val(const char* label, u8 val) {

    63     _st.print("%s = "UINT64_FORMAT, label, val);

    64   }

    66   void print_val(const char* label, s8 val) {

    67     _st.print("%s = "INT64_FORMAT, label, (int64_t) val);

    68   }

    70   void print_val(const char* label, bool val) {

    71     _st.print("%s = %s", label, val ? "true" : "false");

    72   }

    74   void print_val(const char* label, float val) {

    75     _st.print("%s = %f", label, val);

    76   }

    78   void print_val(const char* label, double val) {

    79     _st.print("%s = %f", label, val);

    80   }

    82   // Caller is machine generated code located in traceEventClasses.hpp

    83   // Event<TraceId>::writeEvent() (pseudocode) contains the

    84   // necessary ResourceMark for the resource allocations below.

    85   // See traceEventClasses.xsl for details.

    86   void print_val(const char* label, const Klass* const val) {

    87     const char* description = "NULL";

    88     if (val != NULL) {

    89       Symbol* name = val->name();

    90       if (name != NULL) {

    91         description = name->as_C_string();

    92       }

    93     }

    94     _st.print("%s = %s", label, description);

    95   }

    97   // Caller is machine generated code located in traceEventClasses.hpp

    98   // Event<TraceId>::writeEvent() (pseudocode) contains the

    99   // necessary ResourceMark for the resource allocations below.

   100   // See traceEventClasses.xsl for details.

   101   void print_val(const char* label, const Method* const val) {

   102     const char* description = "NULL";

   103     if (val != NULL) {

   104       description = val->name_and_sig_as_C_string();

   105     }

   106     _st.print("%s = %s", label, description);

   107   }

   109   void print_val(const char* label, const char* val) {

   110     _st.print("%s = '%s'", label, val);

   111   }

   113   void print(const char* val) {

   114     _st.print("%s", val);

   115   }

   116 };

   118 #endif // INCLUDE_TRACE

   119 #endif // SHARE_VM_TRACE_TRACESTREAM_HPP

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