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