1/*- 2 * Copyright (c) 2004 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29#ifndef _MACHINE_DB_MACHDEP_H_ 30#define _MACHINE_DB_MACHDEP_H_ 31 32#include <machine/ia64_cpu.h> 33 34/* We define some of our own commands. */ 35#define DB_MACHINE_COMMANDS 36 37/* We use Elf64 symbols in DDB. */ 38#define DB_ELFSIZE 64 39 40/* Pretty arbitrary. */ 41#define DB_SMALL_VALUE_MAX 0x7fffffff 42#define DB_SMALL_VALUE_MIN (-0x400001) 43 44typedef vm_offset_t db_addr_t; /* address - unsigned */ 45typedef long db_expr_t; /* expression - signed */ 46 47#define PC_REGS() ((kdb_thrctx->pcb_special.__spare == 0) ? \ 48 kdb_thrctx->pcb_special.rp : \ 49 kdb_thrctx->pcb_special.iip + ((kdb_thrctx->pcb_special.psr>>41) & 3)) 50 51#define BKPT_WRITE(addr, storage) db_bkpt_write(addr, storage) 52#define BKPT_CLEAR(addr, storage) db_bkpt_clear(addr, storage) 53#define BKPT_SKIP db_bkpt_skip() 54#define BKPT_INST_TYPE uint64_t 55 56void db_bkpt_write(db_addr_t, BKPT_INST_TYPE *storage); 57void db_bkpt_clear(db_addr_t, uint64_t *storage); 58void db_bkpt_skip(void); 59 60#define db_clear_single_step kdb_cpu_clear_singlestep 61#define db_set_single_step kdb_cpu_set_singlestep 62 63#define IS_BREAKPOINT_TRAP(type, code) (type == IA64_VEC_BREAK) 64#define IS_WATCHPOINT_TRAP(type, code) 0 65 66#define inst_trap_return(ins) (ins & 0) 67#define inst_return(ins) (ins & 0) 68#define inst_call(ins) (ins & 0) 69#define inst_branch(ins) (ins & 0) 70#define inst_load(ins) (ins & 0) 71#define inst_store(ins) (ins & 0) 72#define inst_unconditional_flow_transfer(ins) (ins & 0) 73 74#define branch_taken(ins, pc, regs) pc 75 76/* Function call support. */ 77#define DB_MAXARGS 8 /* Only support arguments in registers. */ 78#define DB_CALL db_fncall_ia64 79 80#endif /* _MACHINE_DB_MACHDEP_H_ */ 81