1ebcad5720
not work on any real hardware (or fully work on any simulator). Much more needs to happen before this is actually functional but its nice to see the FreeBSD copyright message appear in the ia64 simulator.
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* $FreeBSD$ */
|
|
/* $NetBSD: db_machdep.h,v 1.6 1997/09/06 02:02:25 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995 Carnegie-Mellon University.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Chris G. Demetriou
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and
|
|
* its documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
|
|
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
|
|
#ifndef _ALPHA_DB_MACHDEP_H_
|
|
#define _ALPHA_DB_MACHDEP_H_
|
|
|
|
/*
|
|
* Machine-dependent defines for new kernel debugger.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <vm/vm.h>
|
|
#include <machine/frame.h>
|
|
|
|
#define DB_NO_AOUT
|
|
|
|
typedef vm_offset_t db_addr_t; /* address - unsigned */
|
|
typedef long db_expr_t; /* expression - signed */
|
|
|
|
typedef struct trapframe db_regs_t;
|
|
db_regs_t ddb_regs; /* register state */
|
|
#define DDB_REGS (&ddb_regs)
|
|
|
|
#define PC_REGS(regs) ((db_addr_t)(regs)->tf_regs[FRAME_PC])
|
|
|
|
#define BKPT_INST 0x00000080 /* breakpoint instruction */
|
|
#define BKPT_SIZE (4) /* size of breakpoint inst */
|
|
#define BKPT_SET(inst) (BKPT_INST)
|
|
|
|
#define FIXUP_PC_AFTER_BREAK \
|
|
(ddb_regs.tf_regs[FRAME_PC] -= BKPT_SIZE);
|
|
|
|
#define IS_BREAKPOINT_TRAP(type, code) ((type) == ALPHA_KENTRY_IF && \
|
|
(code) == ALPHA_IF_CODE_BPT)
|
|
#define IS_WATCHPOINT_TRAP(type, code) 0
|
|
|
|
/*
|
|
* Functions needed for software single-stepping.
|
|
*/
|
|
|
|
/* No delay slots on Alpha. */
|
|
#define next_instr_address(v, b) ((db_addr_t) ((b) ? (v) : ((v) + 4)))
|
|
|
|
u_long db_register_value __P((db_regs_t *, int));
|
|
int kdb_trap __P((unsigned long, unsigned long, unsigned long,
|
|
unsigned long, struct trapframe *));
|
|
|
|
/*
|
|
* Pretty arbitrary
|
|
*/
|
|
#define DB_SMALL_VALUE_MAX 0x7fffffff
|
|
#define DB_SMALL_VALUE_MIN (-0x400001)
|
|
|
|
/*
|
|
* We define some of our own commands.
|
|
*/
|
|
#define DB_MACHINE_COMMANDS
|
|
|
|
/*
|
|
* We use Elf64 symbols in DDB.
|
|
*/
|
|
#define DB_ELFSIZE 64
|
|
|
|
#endif /* _ALPHA_DB_MACHDEP_H_ */
|