/* * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_TRACE_TRACESTREAM_HPP #define SHARE_VM_TRACE_TRACESTREAM_HPP #include "utilities/macros.hpp" #if INCLUDE_TRACE #include "oops/klass.hpp" #include "oops/method.hpp" #include "oops/symbol.hpp" #include "utilities/ostream.hpp" class TraceStream : public StackObj { private: outputStream& _st; public: TraceStream(outputStream& stream): _st(stream) {} void print_val(const char* label, u1 val) { _st.print("%s = "UINT32_FORMAT, label, val); } void print_val(const char* label, u2 val) { _st.print("%s = "UINT32_FORMAT, label, val); } void print_val(const char* label, s2 val) { _st.print("%s = "INT32_FORMAT, label, val); } void print_val(const char* label, u4 val) { _st.print("%s = "UINT32_FORMAT, label, val); } void print_val(const char* label, s4 val) { _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, (int64_t) 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::writeEvent() (pseudocode) contains the // necessary ResourceMark for the resource allocations below. // See traceEventClasses.xsl for details. void print_val(const char* label, const Klass* const val) { const char* description = "NULL"; if (val != NULL) { Symbol* name = val->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::writeEvent() (pseudocode) contains the // necessary ResourceMark for the resource allocations below. // See traceEventClasses.xsl for details. void print_val(const char* label, const Method* const 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("%s", val); } }; #endif // INCLUDE_TRACE #endif // SHARE_VM_TRACE_TRACESTREAM_HPP