1139790Simp/*- 2131952Smarcel * Copyright (c) 2004 Marcel Moolenaar 366458Sdfr * All rights reserved. 466458Sdfr * 5131952Smarcel * Redistribution and use in source and binary forms, with or without 6131952Smarcel * modification, are permitted provided that the following conditions 7131952Smarcel * are met: 866458Sdfr * 9131952Smarcel * 1. Redistributions of source code must retain the above copyright 10131952Smarcel * notice, this list of conditions and the following disclaimer. 11131952Smarcel * 2. Redistributions in binary form must reproduce the above copyright 12131952Smarcel * notice, this list of conditions and the following disclaimer in the 13131952Smarcel * documentation and/or other materials provided with the distribution. 1466458Sdfr * 15131952Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16131952Smarcel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17131952Smarcel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18131952Smarcel * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19131952Smarcel * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20131952Smarcel * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21131952Smarcel * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22131952Smarcel * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23131952Smarcel * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24131952Smarcel * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2566458Sdfr * 26131952Smarcel * $FreeBSD$ 2766458Sdfr */ 2866458Sdfr 2996912Smarcel#ifndef _MACHINE_DB_MACHDEP_H_ 3096912Smarcel#define _MACHINE_DB_MACHDEP_H_ 3166458Sdfr 3296912Smarcel#include <machine/ia64_cpu.h> 3366458Sdfr 34131952Smarcel/* We define some of our own commands. */ 35131952Smarcel#define DB_MACHINE_COMMANDS 3666458Sdfr 37131952Smarcel/* We use Elf64 symbols in DDB. */ 38131952Smarcel#define DB_ELFSIZE 64 3983506Sdfr 40131952Smarcel/* Pretty arbitrary. */ 41131952Smarcel#define DB_SMALL_VALUE_MAX 0x7fffffff 42131952Smarcel#define DB_SMALL_VALUE_MIN (-0x400001) 43131952Smarcel 4466458Sdfrtypedef vm_offset_t db_addr_t; /* address - unsigned */ 4566458Sdfrtypedef long db_expr_t; /* expression - signed */ 4666458Sdfr 47131952Smarcel#define PC_REGS() ((kdb_thrctx->pcb_special.__spare == 0) ? \ 48131952Smarcel kdb_thrctx->pcb_special.rp : \ 49131952Smarcel kdb_thrctx->pcb_special.iip + ((kdb_thrctx->pcb_special.psr>>41) & 3)) 5066458Sdfr 51131952Smarcel#define BKPT_WRITE(addr, storage) db_bkpt_write(addr, storage) 52131952Smarcel#define BKPT_CLEAR(addr, storage) db_bkpt_clear(addr, storage) 53131952Smarcel#define BKPT_SKIP db_bkpt_skip() 54131952Smarcel#define BKPT_INST_TYPE uint64_t 5566458Sdfr 56131952Smarcelvoid db_bkpt_write(db_addr_t, BKPT_INST_TYPE *storage); 57131952Smarcelvoid db_bkpt_clear(db_addr_t, uint64_t *storage); 58131952Smarcelvoid db_bkpt_skip(void); 5966458Sdfr 60131952Smarcel#define db_clear_single_step kdb_cpu_clear_singlestep 61131952Smarcel#define db_set_single_step kdb_cpu_set_singlestep 6266937Sdfr 6383506Sdfr#define IS_BREAKPOINT_TRAP(type, code) (type == IA64_VEC_BREAK) 6466458Sdfr#define IS_WATCHPOINT_TRAP(type, code) 0 6566458Sdfr 6692124Speter#define inst_trap_return(ins) (ins & 0) 6792124Speter#define inst_return(ins) (ins & 0) 6892124Speter#define inst_call(ins) (ins & 0) 6992124Speter#define inst_branch(ins) (ins & 0) 7092124Speter#define inst_load(ins) (ins & 0) 7192124Speter#define inst_store(ins) (ins & 0) 7292124Speter#define inst_unconditional_flow_transfer(ins) (ins & 0) 73131952Smarcel 7466937Sdfr#define branch_taken(ins, pc, regs) pc 7566937Sdfr 76147745Smarcel/* Function call support. */ 77147745Smarcel#define DB_MAXARGS 8 /* Only support arguments in registers. */ 78147745Smarcel#define DB_CALL db_fncall_ia64 79147745Smarcel 8096912Smarcel#endif /* _MACHINE_DB_MACHDEP_H_ */ 81