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comparison: src/share/vm/compiler/compileLog.hpp
src/share/vm/compiler/compileLog.hpp
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| 1 /* | |
| 2 * Copyright (c) 2002, 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_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) ATTRIBUTE_PRINTF(3, 0); | |
| 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, ...) ATTRIBUTE_PRINTF(2, 3); | |
| 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 |
