1 /* 2 * Mach Operating System 3 * Copyright (c) 1991,1990 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie Mellon 24 * the rights to redistribute these changes. 25 * 26 * $Id: db_machdep.h,v 1.1 1994/03/24 08:46:45 pk Exp $ 27 */ 28 29 #ifndef _SPARC_DB_MACHDEP_H_ 30 #define _SPARC_DB_MACHDEP_H_ 31 32 /* 33 * Machine-dependent defines for new kernel debugger. 34 */ 35 36 37 #include <vm/vm_prot.h> 38 #include <vm/vm_param.h> 39 #include <vm/vm_inherit.h> 40 #include <vm/lock.h> 41 #include <machine/frame.h> 42 #include <machine/psl.h> 43 #include <machine/trap.h> 44 #include <machine/reg.h> 45 46 #define sparc_saved_state trapframe 47 /* end of mangling */ 48 49 typedef vm_offset_t db_addr_t; /* address - unsigned */ 50 typedef int db_expr_t; /* expression - signed */ 51 52 typedef struct sparc_saved_state db_regs_t; 53 db_regs_t ddb_regs; /* register state */ 54 #define DDB_REGS (&ddb_regs) 55 56 #define PC_REGS(regs) ((db_addr_t)(regs)->tf_pc) 57 58 #define BKPT_INST 0x91d02001 /* breakpoint instruction */ 59 #define BKPT_SIZE (4) /* size of breakpoint inst */ 60 #define BKPT_SET(inst) (BKPT_INST) 61 62 #define db_clear_single_step(regs) (0) 63 #define db_set_single_step(regs) (0) 64 65 #define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BREAKPOINT) 66 #define IS_WATCHPOINT_TRAP(type, code) (0) 67 68 #define inst_trap_return(ins) ((ins)&0) 69 #define inst_return(ins) ((ins)&0) 70 #define inst_call(ins) ((ins)&0) 71 #define inst_load(ins) 0 72 #define inst_store(ins) 0 73 74 #define DB_MACHINE_COMMANDS 75 76 #endif /* _SPARC_DB_MACHDEP_H_ */ 77