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 * from: FreeBSD: src/sys/i386/include/db_machdep.h,v 1.16 1999/10/04 27 * $FreeBSD$ 28 */ 29 30#ifndef _MACHINE_DB_MACHDEP_H_ 31#define _MACHINE_DB_MACHDEP_H_ 32 33#include <machine/frame.h> 34#include <machine/trap.h> 35 36typedef vm_offset_t db_addr_t; 37typedef long db_expr_t; 38 39#define PC_REGS() ((db_addr_t)kdb_thrctx->pcb_pc) 40 41#define BKPT_INST (0x91d03001) 42#define BKPT_SIZE (4) 43#define BKPT_SET(inst) (BKPT_INST) 44 45#define BKPT_SKIP do { \ 46 kdb_frame->tf_tpc = kdb_frame->tf_tnpc + 4; \ 47 kdb_frame->tf_tnpc += 8; \ 48} while (0) 49 50#define db_clear_single_step kdb_cpu_clear_singlestep 51#define db_set_single_step kdb_cpu_set_singlestep 52 53#define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT) 54#define IS_WATCHPOINT_TRAP(type, code) (0) 55 56#define inst_trap_return(ins) (0) 57#define inst_return(ins) (0) 58#define inst_call(ins) (0) 59#define inst_load(ins) (0) 60#define inst_store(ins) (0) 61 62#define DB_ELFSIZE 64 63 64#endif /* !_MACHINE_DB_MACHDEP_H_ */ 65