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/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#ifndef _I386_TRAP_H_
#define _I386_TRAP_H_
#include <mach/machine/trap.h>
#ifndef __ASSEMBLER__
#include <mach/mach_types.h>
char *trap_name(unsigned int trapnum);
unsigned int interrupted_pc(thread_t);
void
i386_exception(
int exc,
int code,
long subcode) __attribute__ ((noreturn));
extern void
thread_kdb_return(void);
/*
* Trap from kernel mode. Only page-fault errors are recoverable,
* and then only in special circumstances. All other errors are
* fatal.
*/
void kernel_trap(struct i386_saved_state *regs);
/*
* Trap from user mode.
* Return TRUE if from emulated system call.
*/
int user_trap(struct i386_saved_state *regs);
/*
* Handle AST traps for i386.
* Check for delayed floating-point exception from
* AT-bus machines.
*/
void i386_astintr(void);
#endif /* !__ASSEMBLER__ */
#endif /* _I386_TRAP_H_ */
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