Mercurial > hg > graal-compiler
view src/share/vm/compiler/compileLog.hpp @ 396:4d05b7cb7842
6306922: Dump dump created by +HeapDumpOnOutOfMemoryError should include stack traces for stack roots
Summary: Include stack traces of all threads in the heap dump
Reviewed-by: alanb
author | mchung |
---|---|
date | Tue, 14 Oct 2008 15:16:38 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2002-2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ class ciObject; 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); public: CompileLog(const char* file, FILE* fp, intx thread_id); ~CompileLog(); intx thread_id() { return _thread_id; } const char* file() { return _file; } stringStream* context() { return &_context; } void name(ciSymbol* s); // name='s' void name(symbolHandle s) { xmlStream::name(s); } // Output an object description, return obj->ident(). int identify(ciObject* obj); void clear_identities(); // 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(); } // 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); };