db_machdep.h revision 139825
1158115Sume/*- 2158115Sume * Mach Operating System 3158115Sume * Copyright (c) 1991,1990 Carnegie Mellon University 4158115Sume * All Rights Reserved. 5158115Sume * 6158115Sume * Permission to use, copy, modify and distribute this software and its 7158115Sume * documentation is hereby granted, provided that both the copyright 8158115Sume * notice and this permission notice appear in all copies of the 9158115Sume * software, derivative works or modified versions, and any portions 10158115Sume * thereof, and that both notices appear in supporting documentation. 11158115Sume * 12158115Sume * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 13158115Sume * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14158115Sume * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15158115Sume * 16158115Sume * Carnegie Mellon requests users of this software to return to 17158115Sume * 18158115Sume * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19158115Sume * School of Computer Science 20158115Sume * Carnegie Mellon University 21158115Sume * Pittsburgh PA 15213-3890 22158115Sume * 23158115Sume * any improvements or extensions that they make and grant Carnegie Mellon 24158115Sume * the rights to redistribute these changes. 25158115Sume * 26158115Sume * from: FreeBSD: src/sys/i386/include/db_machdep.h,v 1.16 1999/10/04 27158115Sume * $FreeBSD: head/sys/sparc64/include/db_machdep.h 139825 2005-01-07 02:29:27Z imp $ 28158115Sume */ 29158115Sume 30158115Sume#ifndef _MACHINE_DB_MACHDEP_H_ 31158115Sume#define _MACHINE_DB_MACHDEP_H_ 32158115Sume 33158115Sume#include <machine/frame.h> 34158115Sume#include <machine/trap.h> 35158115Sume 36158115Sume#define BYTE_MSF (1) 37158115Sume 38158115Sumetypedef vm_offset_t db_addr_t; 39158115Sumetypedef long db_expr_t; 40158115Sume 41158115Sume#define PC_REGS() ((db_addr_t)kdb_thrctx->pcb_pc) 42158115Sume 43158115Sume#define BKPT_INST (0x91d03001) 44158115Sume#define BKPT_SIZE (4) 45158115Sume#define BKPT_SET(inst) (BKPT_INST) 46158115Sume 47158115Sume#define BKPT_SKIP do { \ 48158115Sume kdb_frame->tf_tpc = kdb_frame->tf_tnpc + 4; \ 49158115Sume kdb_frame->tf_tnpc += 8; \ 50158115Sume} while (0) 51158115Sume 52158115Sume#define db_clear_single_step kdb_cpu_clear_singlestep 53158115Sume#define db_set_single_step kdb_cpu_set_singlestep 54158115Sume 55158115Sume#define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT) 56158115Sume#define IS_WATCHPOINT_TRAP(type, code) (0) 57158115Sume 58158115Sume#define inst_trap_return(ins) (0) 59158115Sume#define inst_return(ins) (0) 60158115Sume#define inst_call(ins) (0) 61158115Sume#define inst_load(ins) (0) 62158115Sume#define inst_store(ins) (0) 63158115Sume 64158115Sume#define DB_SMALL_VALUE_MAX (0x7fffffff) 65158115Sume#define DB_SMALL_VALUE_MIN (-0x40001) 66158115Sume 67158115Sume#define DB_ELFSIZE 64 68158115Sume 69158115Sume#endif /* !_MACHINE_DB_MACHDEP_H_ */ 70158115Sume