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/*
(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef __DIRECT__TRACE_H__
#define __DIRECT__TRACE_H__
#include <direct/types.h>
/***********************************************************************************************************************
** Symbols
*/
/*
* Returns filename on success or NULL.
*
* Stores load address of object in 'ret_base' on success.
*/
const char DIRECT_API *direct_trace_lookup_file ( void *address,
void **ret_base );
/*
* Look up a symbol by filename and offset.
*
* Returns symbol name on success or NULL.
*/
const char DIRECT_API *direct_trace_lookup_symbol( const char *filename,
long offset );
/*
* Convenience function combining direct_trace_lookup_file() and direct_trace_lookup_symbol().
*/
static __inline__ const char *
direct_trace_lookup_symbol_at( void *address )
{
void *base;
const char *filename;
filename = direct_trace_lookup_file( address, &base );
return direct_trace_lookup_symbol( filename, (unsigned long) address - (unsigned long) base );
}
/***********************************************************************************************************************
** Stacks
*/
/*
* Print stack in 'buffer' or current if NULL.
*/
void DIRECT_API direct_trace_print_stack( DirectTraceBuffer *buffer );
/*
* Print stack of each known thread.
*/
void DIRECT_API direct_trace_print_stacks( void );
/*
* Returns indent level for debug output.
*/
int DIRECT_API direct_trace_debug_indent( void );
/*
* Retrieve pointer to calling function if present, otherwise NULL.
*/
void DIRECT_API *direct_trace_get_caller( void );
/*
* Create a copy of a stack in 'buffer' or of current if NULL.
*/
DirectTraceBuffer DIRECT_API *direct_trace_copy_buffer( DirectTraceBuffer *buffer );
/*
* Free a (copied) stack buffer.
*/
void DIRECT_API direct_trace_free_buffer( DirectTraceBuffer *buffer );
#endif
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