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/*
* Copyright (c) 1994 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Author: Bryan Ford, University of Utah CSL
*/
#ifndef _I386_DEBUG_
#define _I386_DEBUG_
#ifndef __ASSEMBLER__
/* Dump a saved state.
Probably a good idea to have this around
even when DEBUG isn't turned on. */
void dump_ss(const struct i386_saved_state *st);
#endif /* __ASSEMBLER__ */
#ifdef DEBUG
/* Maximum number of entries in a debug trace.
If the buffer overflows, the oldest entries are forgotten. */
#define DEBUG_TRACE_LEN 512
/* Add the caller's current position to the debug trace buffer.
Only the kernel stack needs to be valid;
the other data segment registers are not needed
and all registers are saved. */
#ifndef __ASSEMBLER__
#define DEBUG_TRACE _debug_trace(__FILE__,__LINE__)
/* Reset the debug trace buffer so it contains no valid entries. */
void debug_trace_reset(void);
/* Dump the contents of the trace buffer to the console.
Also clears the trace buffer. */
void debug_trace_dump(void);
#else /* __ASSEMBLER__ */
#define DEBUG_TRACE \
pushl $__LINE__ ;\
pushl $9f ;\
call __debug_trace ;\
addl $8,%esp ;\
.data ;\
9: .ascii __FILE__"\0" ;\
.text
#endif /* __ASSEMBLER__ */
#endif /* DEBUG */
/* XXX #include_next "debug.h" */
#endif /* _I386_DEBUG_ */
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