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/*
* Copyright (c) 2002, 2019, 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_COMPILER_COMPILELOG_HPP
#define SHARE_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_COMPILER_COMPILELOG_HPP
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