1 /* 2 * Copyright (c) 2002, 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_COMPILER_COMPILELOG_HPP 26 #define SHARE_VM_COMPILER_COMPILELOG_HPP 27 28 #include "utilities/xmlstream.hpp" 29 30 class ciBaseObject; 31 class ciObject; 32 class ciMetadata; 33 class ciSymbol; 34 35 // CompileLog 36 // 37 // An open stream for logging information about activities in a 38 // compiler thread. There is exactly one per CompilerThread, 39 // if the +LogCompilation switch is enabled. 40 class CompileLog : public xmlStream { 41 private: 42 const char* _file; // name of file where XML goes 43 julong _file_end; // last good end of file 44 intx _thread_id; // which compile thread 45 46 stringStream _context; // optional, killable context marker 47 char _context_buffer[100]; 48 49 char* _identities; // array of boolean 50 int _identities_limit; 51 int _identities_capacity; 52 53 CompileLog* _next; // static chain of all logs 54 55 static CompileLog* _first; // head of static chain 56 57 void va_tag(bool push, const char* format, va_list ap); 58 59 public: 60 CompileLog(const char* file_name, FILE* fp, intx thread_id); 61 ~CompileLog(); 62 63 intx thread_id() { return _thread_id; } 64 const char* file() { return _file; } 65 66 // Optional context marker, to help place actions that occur during 67 // parsing. If there is no log output until the next context string 68 // or reset, context string will be silently ignored 69 stringStream* context() { return &_context; } 70 void clear_context() { context()->reset(); } 71 void set_context(const char* format, ...); 72 73 void name(ciSymbol* s); // name='s' 74 void name(Symbol* s) { xmlStream::name(s); } 75 76 // Output an object description, return obj->ident(). 77 int identify(ciBaseObject* obj); 78 void clear_identities(); 79 80 void inline_fail (const char* reason); 81 void inline_success(const char* reason); 82 83 // virtuals 84 virtual void see_tag(const char* tag, bool push); 85 virtual void pop_tag(const char* tag); 86 87 // make a provisional end of log mark 88 void mark_file_end() { _file_end = out()->count(); } 89 90 // Print code cache statistics 91 void code_cache_state(); 92 93 // copy all logs to the given stream 94 static void finish_log(outputStream* out); 95 static void finish_log_on_error(outputStream* out, char *buf, int buflen); 96 }; 97 98 #endif // SHARE_VM_COMPILER_COMPILELOG_HPP