1 /* 2 * Copyright (c) 2012, 2018, 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 "memory/resourceArea.hpp" 31 #include "oops/klass.hpp" 32 #include "oops/method.hpp" 33 #include "oops/symbol.hpp" 34 #include "utilities/ostream.hpp" 35 36 class TraceStream : public StackObj { 37 private: 38 outputStream& _st; 39 40 public: 41 TraceStream(outputStream& stream): _st(stream) {} 42 43 void print_val(const char* label, u1 val) { 44 _st.print("%s = " UINT32_FORMAT, label, val); 45 } 46 47 void print_val(const char* label, u2 val) { 48 _st.print("%s = " UINT32_FORMAT, label, val); 49 } 50 51 void print_val(const char* label, s2 val) { 52 _st.print("%s = " INT32_FORMAT, label, val); 53 } 54 55 void print_val(const char* label, u4 val) { 56 _st.print("%s = " UINT32_FORMAT, label, val); 57 } 58 59 void print_val(const char* label, s4 val) { 60 _st.print("%s = " INT32_FORMAT, label, val); 61 } 62 63 void print_val(const char* label, u8 val) { 64 _st.print("%s = " UINT64_FORMAT, label, val); 65 } 66 67 void print_val(const char* label, s8 val) { 68 _st.print("%s = " INT64_FORMAT, label, (int64_t) val); 69 } 70 71 void print_val(const char* label, bool val) { 72 _st.print("%s = %s", label, val ? "true" : "false"); 73 } 74 75 void print_val(const char* label, float val) { 76 _st.print("%s = %f", label, val); 77 } 78 79 void print_val(const char* label, double val) { 80 _st.print("%s = %f", label, val); 81 } 82 83 void print_val(const char* label, const Klass* const val) { 84 ResourceMark rm; 85 const char* description = "NULL"; 86 if (val != NULL) { 87 Symbol* name = val->name(); 88 if (name != NULL) { 89 description = name->as_C_string(); 90 } 91 } 92 _st.print("%s = %s", label, description); 93 } 94 95 void print_val(const char* label, const Method* const val) { 96 ResourceMark rm; 97 const char* description = "NULL"; 98 if (val != NULL) { 99 description = val->name_and_sig_as_C_string(); 100 } 101 _st.print("%s = %s", label, description); 102 } 103 104 void print_val(const char* label, const char* val) { 105 _st.print("%s = '%s'", label, val); 106 } 107 108 void print(const char* val) { 109 _st.print("%s", val); 110 } 111 }; 112 113 #endif // INCLUDE_TRACE 114 #endif // SHARE_VM_TRACE_TRACESTREAM_HPP