1 /*
   2  * Copyright (c) 2012, 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_TRACE_TRACESTREAM_HPP
  26 #define SHARE_VM_TRACE_TRACESTREAM_HPP
  27 
  28 #if INCLUDE_TRACE
  29 
  30 #include "utilities/ostream.hpp"
  31 #include "oops/methodOop.hpp"
  32 #include "oops/klassOop.hpp"
  33 
  34 class TraceStream : public StackObj {
  35  private:
  36   outputStream& _st;
  37 
  38  public:
  39   TraceStream(outputStream& stream): _st(stream) {}
  40 
  41   void print_val(const char* label, u1 val) {
  42     _st.print("%s = "UINT32_FORMAT, label, val);
  43   }
  44 
  45   void print_val(const char* label, u2 val) {
  46     _st.print("%s = "UINT32_FORMAT, label, val);
  47   }
  48 
  49   void print_val(const char* label, s2 val) {
  50     _st.print("%s = "INT32_FORMAT, label, val);
  51   }
  52 
  53   void print_val(const char* label, u4 val) {
  54     _st.print("%s = "UINT32_FORMAT, label, val);
  55   }
  56 
  57   void print_val(const char* label, s4 val) {
  58     _st.print("%s = "INT32_FORMAT, label, val);
  59   }
  60 
  61   void print_val(const char* label, u8 val) {
  62     _st.print("%s = "UINT64_FORMAT, label, val);
  63   }
  64 
  65   void print_val(const char* label, s8 val) {
  66     _st.print("%s = "INT64_FORMAT, label, val);
  67   }
  68 
  69   void print_val(const char* label, bool val) {
  70     _st.print("%s = %s", label, val ? "true" : "false");
  71   }
  72 
  73   void print_val(const char* label, float val) {
  74     _st.print("%s = %f", label, val);
  75   }
  76 
  77   void print_val(const char* label, double val) {
  78     _st.print("%s = %f", label, val);
  79   }
  80 
  81   void print_val(const char* label, klassOop& val) {
  82     _st.print("%s = %s", label, val->print_string());
  83   }
  84 
  85   void print_val(const char* label, methodOop& val) {
  86     _st.print("%s = %s", label, val->name_and_sig_as_C_string());
  87   }
  88 
  89   void print_val(const char* label, const char* val) {
  90     _st.print("%s = '%s'", label, val);
  91   }
  92 
  93   void print(const char* val) {
  94     _st.print(val);
  95   }
  96 };
  97 
  98 #endif
  99 #endif