db_machdep.h revision 139825
1168404Spjd/*- 2168404Spjd * Mach Operating System 3168404Spjd * Copyright (c) 1991,1990 Carnegie Mellon University 4168404Spjd * All Rights Reserved. 5168404Spjd * 6168404Spjd * Permission to use, copy, modify and distribute this software and its 7168404Spjd * documentation is hereby granted, provided that both the copyright 8168404Spjd * notice and this permission notice appear in all copies of the 9168404Spjd * software, derivative works or modified versions, and any portions 10168404Spjd * thereof, and that both notices appear in supporting documentation. 11168404Spjd * 12168404Spjd * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 13168404Spjd * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14168404Spjd * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15168404Spjd * 16168404Spjd * Carnegie Mellon requests users of this software to return to 17168404Spjd * 18168404Spjd * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19168404Spjd * School of Computer Science 20168404Spjd * Carnegie Mellon University 21168404Spjd * Pittsburgh PA 15213-3890 22168404Spjd * 23219089Spjd * any improvements or extensions that they make and grant Carnegie Mellon 24168404Spjd * the rights to redistribute these changes. 25185029Spjd * 26185029Spjd * from: FreeBSD: src/sys/i386/include/db_machdep.h,v 1.16 1999/10/04 27226706Spjd * $FreeBSD: head/sys/sparc64/include/db_machdep.h 139825 2005-01-07 02:29:27Z imp $ 28226706Spjd */ 29226706Spjd 30168404Spjd#ifndef _MACHINE_DB_MACHDEP_H_ 31168404Spjd#define _MACHINE_DB_MACHDEP_H_ 32168404Spjd 33168404Spjd#include <machine/frame.h> 34168404Spjd#include <machine/trap.h> 35168404Spjd 36168404Spjd#define BYTE_MSF (1) 37168404Spjd 38168404Spjdtypedef vm_offset_t db_addr_t; 39168404Spjdtypedef long db_expr_t; 40168404Spjd 41168404Spjd#define PC_REGS() ((db_addr_t)kdb_thrctx->pcb_pc) 42168404Spjd 43168404Spjd#define BKPT_INST (0x91d03001) 44168404Spjd#define BKPT_SIZE (4) 45168404Spjd#define BKPT_SET(inst) (BKPT_INST) 46168404Spjd 47168404Spjd#define BKPT_SKIP do { \ 48168404Spjd kdb_frame->tf_tpc = kdb_frame->tf_tnpc + 4; \ 49168404Spjd kdb_frame->tf_tnpc += 8; \ 50168404Spjd} while (0) 51168404Spjd 52168404Spjd#define db_clear_single_step kdb_cpu_clear_singlestep 53168404Spjd#define db_set_single_step kdb_cpu_set_singlestep 54168404Spjd 55168404Spjd#define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT) 56168404Spjd#define IS_WATCHPOINT_TRAP(type, code) (0) 57168404Spjd 58168404Spjd#define inst_trap_return(ins) (0) 59168404Spjd#define inst_return(ins) (0) 60168404Spjd#define inst_call(ins) (0) 61168404Spjd#define inst_load(ins) (0) 62168404Spjd#define inst_store(ins) (0) 63168404Spjd 64168404Spjd#define DB_SMALL_VALUE_MAX (0x7fffffff) 65168404Spjd#define DB_SMALL_VALUE_MIN (-0x40001) 66168404Spjd 67168404Spjd#define DB_ELFSIZE 64 68168404Spjd 69168404Spjd#endif /* !_MACHINE_DB_MACHDEP_H_ */ 70168404Spjd