1 /* 2 * Copyright (c) 2012, 2013, 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 #include "utilities/macros.hpp" 29 30 #if INCLUDE_TRACE 31 32 #include "oops/klass.hpp" 33 #include "oops/method.hpp" 34 #include "oops/symbol.hpp" 35 #include "utilities/ostream.hpp" 36 37 class TraceStream : public StackObj { 38 private: 39 outputStream& _st; 40 41 public: 42 TraceStream(outputStream& stream): _st(stream) {} 43 44 void print_val(const char* label, u1 val) { 45 _st.print("%s = "UINT32_FORMAT, label, val); 46 } 47 48 void print_val(const char* label, u2 val) { 49 _st.print("%s = "UINT32_FORMAT, label, val); 50 } 51 52 void print_val(const char* label, s2 val) { 53 _st.print("%s = "INT32_FORMAT, label, val); 54 } 55 56 void print_val(const char* label, u4 val) { 57 _st.print("%s = "UINT32_FORMAT, label, val); 58 } 59 60 void print_val(const char* label, s4 val) { 61 _st.print("%s = "INT32_FORMAT, label, val); 62 } 63 64 void print_val(const char* label, u8 val) { 65 _st.print("%s = "UINT64_FORMAT, label, val); 66 } 67 68 void print_val(const char* label, s8 val) { 69 _st.print("%s = "INT64_FORMAT, label, val); 70 } 71 72 void print_val(const char* label, bool val) { 73 _st.print("%s = %s", label, val ? "true" : "false"); 74 } 75 76 void print_val(const char* label, float val) { 77 _st.print("%s = %f", label, val); 78 } 79 80 void print_val(const char* label, double val) { 81 _st.print("%s = %f", label, val); 82 } 83 84 // Caller is machine generated code located in traceEventClasses.hpp 85 // Event<TraceId>::writeEvent() (pseudocode) contains the 86 // necessary ResourceMark for the resource allocations below. 87 // See traceEventClasses.xsl for details. 88 void print_val(const char* label, const Klass* const val) { 89 const char* description = "NULL"; 90 if (val != NULL) { 91 Symbol* name = val->name(); 92 if (name != NULL) { 93 description = name->as_C_string(); 94 } 95 } 96 _st.print("%s = %s", label, description); 97 } 98 99 // Caller is machine generated code located in traceEventClasses.hpp 100 // Event<TraceId>::writeEvent() (pseudocode) contains the 101 // necessary ResourceMark for the resource allocations below. 102 // See traceEventClasses.xsl for details. 103 void print_val(const char* label, const Method* const val) { 104 const char* description = "NULL"; 105 if (val != NULL) { 106 description = val->name_and_sig_as_C_string(); 107 } 108 _st.print("%s = %s", label, description); 109 } 110 111 void print_val(const char* label, const char* val) { 112 _st.print("%s = '%s'", label, val); 113 } 114 115 void print(const char* val) { 116 _st.print(val); 117 } 118 }; 119 120 #endif /* INCLUDE_TRACE */ 121 #endif /* SHARE_VM_TRACE_TRACESTREAM_HPP */