1139825Simp/*- 282899Sjake * Mach Operating System 382899Sjake * Copyright (c) 1991,1990 Carnegie Mellon University 482899Sjake * All Rights Reserved. 580708Sjake * 682899Sjake * Permission to use, copy, modify and distribute this software and its 782899Sjake * documentation is hereby granted, provided that both the copyright 882899Sjake * notice and this permission notice appear in all copies of the 982899Sjake * software, derivative works or modified versions, and any portions 1082899Sjake * thereof, and that both notices appear in supporting documentation. 1180708Sjake * 1282899Sjake * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 1382899Sjake * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 1482899Sjake * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 1580708Sjake * 1682899Sjake * Carnegie Mellon requests users of this software to return to 1782899Sjake * 1882899Sjake * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 1982899Sjake * School of Computer Science 2082899Sjake * Carnegie Mellon University 2182899Sjake * Pittsburgh PA 15213-3890 2282899Sjake * 2382899Sjake * any improvements or extensions that they make and grant Carnegie Mellon 2482899Sjake * the rights to redistribute these changes. 2582899Sjake * 2682899Sjake * from: FreeBSD: src/sys/i386/include/db_machdep.h,v 1.16 1999/10/04 2780708Sjake * $FreeBSD$ 2880708Sjake */ 2980708Sjake 3080708Sjake#ifndef _MACHINE_DB_MACHDEP_H_ 3180708Sjake#define _MACHINE_DB_MACHDEP_H_ 3280708Sjake 3380709Sjake#include <machine/frame.h> 3480709Sjake#include <machine/trap.h> 3580709Sjake 3680709Sjake#define BYTE_MSF (1) 3780709Sjake 3880709Sjaketypedef vm_offset_t db_addr_t; 3982004Sjaketypedef long db_expr_t; 4080709Sjake 41131952Smarcel#define PC_REGS() ((db_addr_t)kdb_thrctx->pcb_pc) 4280709Sjake 43115970Sjake#define BKPT_INST (0x91d03001) 4480709Sjake#define BKPT_SIZE (4) 4580709Sjake#define BKPT_SET(inst) (BKPT_INST) 4680709Sjake 4786525Sjake#define BKPT_SKIP do { \ 48131952Smarcel kdb_frame->tf_tpc = kdb_frame->tf_tnpc + 4; \ 49131952Smarcel kdb_frame->tf_tnpc += 8; \ 5086525Sjake} while (0) 5180709Sjake 52131952Smarcel#define db_clear_single_step kdb_cpu_clear_singlestep 53131952Smarcel#define db_set_single_step kdb_cpu_set_singlestep 5480709Sjake 5580709Sjake#define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT) 5680709Sjake#define IS_WATCHPOINT_TRAP(type, code) (0) 5780709Sjake 5880709Sjake#define inst_trap_return(ins) (0) 5980709Sjake#define inst_return(ins) (0) 6080709Sjake#define inst_call(ins) (0) 6180709Sjake#define inst_load(ins) (0) 6280709Sjake#define inst_store(ins) (0) 6380709Sjake 6480709Sjake#define DB_SMALL_VALUE_MAX (0x7fffffff) 6580709Sjake#define DB_SMALL_VALUE_MIN (-0x40001) 6680709Sjake 6780709Sjake#define DB_ELFSIZE 64 6880709Sjake 6980708Sjake#endif /* !_MACHINE_DB_MACHDEP_H_ */ 70