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/*-
* Copyright (c) 2004 Marcel Moolenaar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_DB_MACHDEP_H_
#define _MACHINE_DB_MACHDEP_H_
#include <machine/ia64_cpu.h>
/* We define some of our own commands. */
#define DB_MACHINE_COMMANDS
/* We use Elf64 symbols in DDB. */
#define DB_ELFSIZE 64
/* Pretty arbitrary. */
#define DB_SMALL_VALUE_MAX 0x7fffffff
#define DB_SMALL_VALUE_MIN (-0x400001)
typedef vm_offset_t db_addr_t; /* address - unsigned */
typedef long db_expr_t; /* expression - signed */
#define PC_REGS() ((kdb_thrctx->pcb_special.__spare == 0) ? \
kdb_thrctx->pcb_special.rp : \
kdb_thrctx->pcb_special.iip + ((kdb_thrctx->pcb_special.psr>>41) & 3))
#define BKPT_WRITE(addr, storage) db_bkpt_write(addr, storage)
#define BKPT_CLEAR(addr, storage) db_bkpt_clear(addr, storage)
#define BKPT_SKIP db_bkpt_skip()
#define BKPT_INST_TYPE uint64_t
void db_bkpt_write(db_addr_t, BKPT_INST_TYPE *storage);
void db_bkpt_clear(db_addr_t, uint64_t *storage);
void db_bkpt_skip(void);
#define db_clear_single_step kdb_cpu_clear_singlestep
#define db_set_single_step kdb_cpu_set_singlestep
#define IS_BREAKPOINT_TRAP(type, code) (type == IA64_VEC_BREAK)
#define IS_WATCHPOINT_TRAP(type, code) 0
#define inst_trap_return(ins) (ins & 0)
#define inst_return(ins) (ins & 0)
#define inst_call(ins) (ins & 0)
#define inst_branch(ins) (ins & 0)
#define inst_load(ins) (ins & 0)
#define inst_store(ins) (ins & 0)
#define inst_unconditional_flow_transfer(ins) (ins & 0)
#define branch_taken(ins, pc, regs) pc
/* Function call support. */
#define DB_MAXARGS 8 /* Only support arguments in registers. */
#define DB_CALL db_fncall_ia64
#endif /* _MACHINE_DB_MACHDEP_H_ */
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