db_machdep.h revision 82899
182899Sjake/* 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: head/sys/sparc64/include/db_machdep.h 82899 2001-09-03 22:27:23Z jake $ 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 4180709Sjakestruct db_regs { 4280709Sjake u_long dr_global[8]; 4380709Sjake}; 4480709Sjake 4580709Sjaketypedef struct trapframe db_regs_t; 4680709Sjakeextern db_regs_t ddb_regs; 4780709Sjake#define DDB_REGS (&ddb_regs) 4880709Sjake 4980709Sjake#define PC_REGS(regs) ((db_addr_t)(regs)->tf_tpc) 5080709Sjake 5180709Sjake#define BKPT_INST (0) 5280709Sjake#define BKPT_SIZE (4) 5380709Sjake#define BKPT_SET(inst) (BKPT_INST) 5480709Sjake 5580709Sjake#define FIXUP_PC_AFTER_BREAK do { \ 5680709Sjake ddb_regs.tf_tpc = ddb_regs.tf_tnpc; \ 5780709Sjake ddb_regs.tf_tnpc += BKPT_SIZE; \ 5880709Sjake} while (0); 5980709Sjake 6080709Sjake#define db_clear_single_step(regs) 6180709Sjake#define db_set_single_step(regs) 6280709Sjake 6380709Sjake#define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT) 6480709Sjake#define IS_WATCHPOINT_TRAP(type, code) (0) 6580709Sjake 6680709Sjake#define inst_trap_return(ins) (0) 6780709Sjake#define inst_return(ins) (0) 6880709Sjake#define inst_call(ins) (0) 6980709Sjake#define inst_load(ins) (0) 7080709Sjake#define inst_store(ins) (0) 7180709Sjake 7280709Sjake#define DB_SMALL_VALUE_MAX (0x7fffffff) 7380709Sjake#define DB_SMALL_VALUE_MIN (-0x40001) 7480709Sjake 7580709Sjake#define DB_ELFSIZE 64 7680709Sjake 7780708Sjake#endif /* !_MACHINE_DB_MACHDEP_H_ */ 78