| /* |
| * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_COMPILER_COMPILELOG_HPP |
| #define SHARE_VM_COMPILER_COMPILELOG_HPP |
| |
| #include "utilities/xmlstream.hpp" |
| |
| class ciBaseObject; |
| class ciKlass; |
| class ciObject; |
| class ciMetadata; |
| class ciSymbol; |
| |
| // CompileLog |
| // |
| // An open stream for logging information about activities in a |
| // compiler thread. There is exactly one per CompilerThread, |
| // if the +LogCompilation switch is enabled. |
| class CompileLog : public xmlStream { |
| private: |
| const char* _file; // name of file where XML goes |
| julong _file_end; // last good end of file |
| intx _thread_id; // which compile thread |
| |
| stringStream _context; // optional, killable context marker |
| char _context_buffer[100]; |
| |
| char* _identities; // array of boolean |
| int _identities_limit; |
| int _identities_capacity; |
| |
| CompileLog* _next; // static chain of all logs |
| |
| static CompileLog* _first; // head of static chain |
| |
| void va_tag(bool push, const char* format, va_list ap) ATTRIBUTE_PRINTF(3, 0); |
| |
| public: |
| CompileLog(const char* file_name, FILE* fp, intx thread_id); |
| ~CompileLog(); |
| |
| intx thread_id() { return _thread_id; } |
| const char* file() { return _file; } |
| |
| // Optional context marker, to help place actions that occur during |
| // parsing. If there is no log output until the next context string |
| // or reset, context string will be silently ignored |
| stringStream* context() { return &_context; } |
| void clear_context() { context()->reset(); } |
| void set_context(const char* format, ...) ATTRIBUTE_PRINTF(2, 3); |
| |
| void name(ciSymbol* s); // name='s' |
| void name(Symbol* s) { xmlStream::name(s); } |
| void name(ciKlass* k); |
| |
| // Output an object description, return obj->ident(). |
| int identify(ciBaseObject* obj); |
| void clear_identities(); |
| |
| void inline_fail (const char* reason); |
| void inline_success(const char* reason); |
| |
| // virtuals |
| virtual void see_tag(const char* tag, bool push); |
| virtual void pop_tag(const char* tag); |
| |
| // make a provisional end of log mark |
| void mark_file_end() { _file_end = out()->count(); } |
| |
| // Print code cache statistics |
| void code_cache_state(); |
| |
| // copy all logs to the given stream |
| static void finish_log(outputStream* out); |
| static void finish_log_on_error(outputStream* out, char *buf, int buflen); |
| }; |
| |
| #endif // SHARE_VM_COMPILER_COMPILELOG_HPP |