db_machdep.h revision 82004
180708Sjake/*- 280708Sjake * Copyright (c) 2001 Jake Burkholder. 380708Sjake * All rights reserved. 480708Sjake * 580708Sjake * Redistribution and use in source and binary forms, with or without 680708Sjake * modification, are permitted provided that the following conditions 780708Sjake * are met: 880708Sjake * 1. Redistributions of source code must retain the above copyright 980708Sjake * notice, this list of conditions and the following disclaimer. 1080708Sjake * 2. Redistributions in binary form must reproduce the above copyright 1180708Sjake * notice, this list of conditions and the following disclaimer in the 1280708Sjake * documentation and/or other materials provided with the distribution. 1380708Sjake * 1481334Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1580708Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1680708Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1781334Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1880708Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1980708Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2080708Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2180708Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2280708Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2380708Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2480708Sjake * SUCH DAMAGE. 2580708Sjake * 2680708Sjake * $FreeBSD: head/sys/sparc64/include/db_machdep.h 82004 2001-08-20 23:35:15Z jake $ 2780708Sjake */ 2880708Sjake 2980708Sjake#ifndef _MACHINE_DB_MACHDEP_H_ 3080708Sjake#define _MACHINE_DB_MACHDEP_H_ 3180708Sjake 3280709Sjake#include <machine/frame.h> 3380709Sjake#include <machine/trap.h> 3480709Sjake 3580709Sjake#define BYTE_MSF (1) 3680709Sjake 3780709Sjaketypedef vm_offset_t db_addr_t; 3882004Sjaketypedef long db_expr_t; 3980709Sjake 4080709Sjakestruct db_regs { 4180709Sjake u_long dr_global[8]; 4280709Sjake}; 4380709Sjake 4480709Sjaketypedef struct trapframe db_regs_t; 4580709Sjakeextern db_regs_t ddb_regs; 4680709Sjake#define DDB_REGS (&ddb_regs) 4780709Sjake 4880709Sjake#define PC_REGS(regs) ((db_addr_t)(regs)->tf_tpc) 4980709Sjake 5080709Sjake#define BKPT_INST (0) 5180709Sjake#define BKPT_SIZE (4) 5280709Sjake#define BKPT_SET(inst) (BKPT_INST) 5380709Sjake 5480709Sjake#define FIXUP_PC_AFTER_BREAK do { \ 5580709Sjake ddb_regs.tf_tpc = ddb_regs.tf_tnpc; \ 5680709Sjake ddb_regs.tf_tnpc += BKPT_SIZE; \ 5780709Sjake} while (0); 5880709Sjake 5980709Sjake#define db_clear_single_step(regs) 6080709Sjake#define db_set_single_step(regs) 6180709Sjake 6280709Sjake#define IS_BREAKPOINT_TRAP(type, code) (type == T_BREAKPOINT) 6380709Sjake#define IS_WATCHPOINT_TRAP(type, code) (0) 6480709Sjake 6580709Sjake#define inst_trap_return(ins) (0) 6680709Sjake#define inst_return(ins) (0) 6780709Sjake#define inst_call(ins) (0) 6880709Sjake#define inst_load(ins) (0) 6980709Sjake#define inst_store(ins) (0) 7080709Sjake 7180709Sjake#define DB_SMALL_VALUE_MAX (0x7fffffff) 7280709Sjake#define DB_SMALL_VALUE_MIN (-0x40001) 7380709Sjake 7480709Sjake#define DB_ELFSIZE 64 7580709Sjake 7680708Sjake#endif /* !_MACHINE_DB_MACHDEP_H_ */ 77