vm/trace/traceStream.hpp

	traceStream.hpp revision 4423
0N/A/*
2362N/A * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A *
0N/A */
0N/A
0N/A#ifndef SHARE_VM_TRACE_TRACESTREAM_HPP
0N/A#define SHARE_VM_TRACE_TRACESTREAM_HPP
0N/A
0N/A#if INCLUDE_TRACE
0N/A
0N/A#include "oops/klass.hpp"
0N/A#include "oops/klassOop.hpp"
0N/A#include "oops/methodOop.hpp"
0N/A#include "oops/symbol.hpp"
0N/A#include "utilities/ostream.hpp"
0N/A
0N/Aclass TraceStream : public StackObj {
0N/A private:
0N/A  outputStream& _st;
0N/A
0N/A public:
0N/A  TraceStream(outputStream& stream): _st(stream) {}
0N/A
0N/A  void print_val(const char* label, u1 val) {
0N/A    _st.print("%s = "UINT32_FORMAT, label, val);
0N/A  }
0N/A
0N/A  void print_val(const char* label, u2 val) {
0N/A    _st.print("%s = "UINT32_FORMAT, label, val);
0N/A  }
0N/A
0N/A  void print_val(const char* label, s2 val) {
0N/A    _st.print("%s = "INT32_FORMAT, label, val);
0N/A  }
0N/A
0N/A  void print_val(const char* label, u4 val) {
0N/A    _st.print("%s = "UINT32_FORMAT, label, val);
0N/A  }
0N/A
0N/A  void print_val(const char* label, s4 val) {
0N/A    _st.print("%s = "INT32_FORMAT, label, val);
  }

  void print_val(const char* label, u8 val) {
    _st.print("%s = "UINT64_FORMAT, label, val);
  }

  void print_val(const char* label, s8 val) {
    _st.print("%s = "INT64_FORMAT, label, val);
  }

  void print_val(const char* label, bool val) {
    _st.print("%s = %s", label, val ? "true" : "false");
  }

  void print_val(const char* label, float val) {
    _st.print("%s = %f", label, val);
  }

  void print_val(const char* label, double val) {
    _st.print("%s = %f", label, val);
  }

  // Caller is machine generated code located in traceEventClasses.hpp
  // Event<TraceId>::writeEvent() (pseudocode) contains the
  // necessary ResourceMark for the resource allocations below.
  // See traceEventClasses.xsl for details.
  void print_val(const char* label, const klassOop& val) {
    const char* description = "NULL";
    if (val != NULL) {
      Klass* myklass = val->klass_part();
      Symbol* name = myklass->name();
      if (name != NULL) {
        description = name->as_C_string();
      }
    }
    _st.print("%s = %s", label, description);
  }

  // Caller is machine generated code located in traceEventClasses.hpp
  // Event<TraceId>::writeEvent() (pseudocode) contains the
  // necessary ResourceMark for the resource allocations below.
  // See traceEventClasses.xsl for details.
  void print_val(const char* label, const methodOop& val) {
    const char* description = "NULL";
    if (val != NULL) {
      description = val->name_and_sig_as_C_string();
    }
    _st.print("%s = %s", label, description);
  }

  void print_val(const char* label, const char* val) {
    _st.print("%s = '%s'", label, val);
  }

  void print(const char* val) {
    _st.print(val);
  }
};

#endif /* INCLUDE_TRACE */
#endif /* SHARE_VM_TRACE_TRACESTREAM_HPP */