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db_machdep.h revision 1.2 
      1  1.2  deraadt /*	$NetBSD: db_machdep.h,v 1.2 1994/11/20 20:52:59 deraadt Exp $ */
      2  1.2  deraadt 
      3  1.1       pk /*
      4  1.1       pk  * Mach Operating System
      5  1.1       pk  * Copyright (c) 1991,1990 Carnegie Mellon University
      6  1.1       pk  * All Rights Reserved.
      7  1.1       pk  *
      8  1.1       pk  * Permission to use, copy, modify and distribute this software and its
      9  1.1       pk  * documentation is hereby granted, provided that both the copyright
     10  1.1       pk  * notice and this permission notice appear in all copies of the
     11  1.1       pk  * software, derivative works or modified versions, and any portions
     12  1.1       pk  * thereof, and that both notices appear in supporting documentation.
     13  1.1       pk  *
     14  1.1       pk  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     15  1.1       pk  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     16  1.1       pk  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     17  1.1       pk  *
     18  1.1       pk  * Carnegie Mellon requests users of this software to return to
     19  1.1       pk  *
     20  1.1       pk  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     21  1.1       pk  *  School of Computer Science
     22  1.1       pk  *  Carnegie Mellon University
     23  1.1       pk  *  Pittsburgh PA 15213-3890
     24  1.1       pk  *
     25  1.1       pk  * any improvements or extensions that they make and grant Carnegie Mellon
     26  1.1       pk  * the rights to redistribute these changes.
     27  1.1       pk  */
     28  1.1       pk 
     29  1.1       pk #ifndef	_SPARC_DB_MACHDEP_H_
     30  1.1       pk #define	_SPARC_DB_MACHDEP_H_
     31  1.1       pk 
     32  1.1       pk /*
     33  1.1       pk  * Machine-dependent defines for new kernel debugger.
     34  1.1       pk  */
     35  1.1       pk 
     36  1.1       pk 
     37  1.1       pk #include <vm/vm_prot.h>
     38  1.1       pk #include <vm/vm_param.h>
     39  1.1       pk #include <vm/vm_inherit.h>
     40  1.1       pk #include <vm/lock.h>
     41  1.1       pk #include <machine/frame.h>
     42  1.1       pk #include <machine/psl.h>
     43  1.1       pk #include <machine/trap.h>
     44  1.1       pk #include <machine/reg.h>
     45  1.1       pk 
     46  1.1       pk #define sparc_saved_state trapframe
     47  1.1       pk /* end of mangling */
     48  1.1       pk 
     49  1.1       pk typedef	vm_offset_t	db_addr_t;	/* address - unsigned */
     50  1.1       pk typedef	int		db_expr_t;	/* expression - signed */
     51  1.1       pk 
     52  1.1       pk typedef struct sparc_saved_state db_regs_t;
     53  1.1       pk db_regs_t	ddb_regs;	/* register state */
     54  1.1       pk #define	DDB_REGS	(&ddb_regs)
     55  1.1       pk 
     56  1.1       pk #define	PC_REGS(regs)	((db_addr_t)(regs)->tf_pc)
     57  1.1       pk 
     58  1.1       pk #define	BKPT_INST	0x91d02001	/* breakpoint instruction */
     59  1.1       pk #define	BKPT_SIZE	(4)		/* size of breakpoint inst */
     60  1.1       pk #define	BKPT_SET(inst)	(BKPT_INST)
     61  1.1       pk 
     62  1.1       pk #define	db_clear_single_step(regs)	(0)
     63  1.1       pk #define	db_set_single_step(regs)	(0)
     64  1.1       pk 
     65  1.1       pk #define	IS_BREAKPOINT_TRAP(type, code)	((type) == T_BREAKPOINT)
     66  1.1       pk #define IS_WATCHPOINT_TRAP(type, code)	(0)
     67  1.1       pk 
     68  1.1       pk #define	inst_trap_return(ins)	((ins)&0)
     69  1.1       pk #define	inst_return(ins)	((ins)&0)
     70  1.1       pk #define	inst_call(ins)		((ins)&0)
     71  1.1       pk #define inst_load(ins)		0
     72  1.1       pk #define inst_store(ins)		0
     73  1.1       pk 
     74  1.1       pk #define DB_MACHINE_COMMANDS
     75  1.1       pk 
     76  1.1       pk #endif	/* _SPARC_DB_MACHDEP_H_ */
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