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 */ 24 25 #ifndef SHARE_VM_TRACE_TRACESTREAM_HPP 26 #define SHARE_VM_TRACE_TRACESTREAM_HPP 27 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" 34 35 class TraceStream : public StackObj { 36 private: 37 outputStream& _st; 38 39 public: 40 TraceStream(outputStream& stream): _st(stream) {} 41 42 void print_val(const char* label, u1 val) { 43 _st.print("%s = " UINT32_FORMAT, label, val); 44 } 45 46 void print_val(const char* label, u2 val) { 47 _st.print("%s = " UINT32_FORMAT, label, val); 48 } 49 50 void print_val(const char* label, s2 val) { 51 _st.print("%s = " INT32_FORMAT, label, val); 52 } 53 54 void print_val(const char* label, u4 val) { 55 _st.print("%s = " UINT32_FORMAT, label, val); 56 } 57 58 void print_val(const char* label, s4 val) { 59 _st.print("%s = " INT32_FORMAT, label, val); 60 } 61 62 void print_val(const char* label, u8 val) { 63 _st.print("%s = " UINT64_FORMAT, label, val); 64 } 65 66 void print_val(const char* label, s8 val) { 67 _st.print("%s = " INT64_FORMAT, label, (int64_t) val); 68 } 69 70 void print_val(const char* label, bool val) { 71 _st.print("%s = %s", label, val ? "true" : "false"); 72 } 73 74 void print_val(const char* label, float val) { 75 _st.print("%s = %f", label, val); 76 } 77 78 void print_val(const char* label, double val) { 79 _st.print("%s = %f", label, val); 80 } 81 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 } 96 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 } 108 109 void print_val(const char* label, const char* val) { 110 _st.print("%s = '%s'", label, val); 111 } 112 113 void print(const char* val) { 114 _st.print("%s", val); 115 } 116 }; 117 118 #endif // INCLUDE_TRACE 119 #endif // SHARE_VM_TRACE_TRACESTREAM_HPP