133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
|
/*
|
||
|
|
* Mach Operating System
|
||
|
|
* Copyright (c) 1992 Carnegie Mellon University
|
||
|
|
* Copyright (c) 1992 Helsinki University of Technology
|
||
|
|
* All Rights Reserved.
|
||
|
|
*
|
||
|
|
* 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 AND HELSINKI UNIVERSITY OF TECHNOLOGY ALLOW FREE USE
|
||
|
|
* OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON AND
|
||
|
|
* HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIM 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 Mellon
|
||
|
|
* the rights to redistribute these changes.
|
||
|
|
*
|
||
|
|
* $Id: db_machdep.h,v 1.1.1.1 1993/09/09 23:53:46 phil Exp $
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* HISTORY
|
||
|
|
* 11-May-92 Tero Kivinen (kivinen) at Helsinki University of Technology
|
||
|
|
* Created.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* File: ns532/db_machdep.h
|
||
|
|
* Author: Tero Kivinen, Helsinki University of Technology 1992.
|
||
|
|
*
|
||
|
|
* Machine-dependent defines for kernel debugger.
|
||
|
|
*
|
||
|
|
* modified by Phil Nelson for inclusion in 532bsd.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _NS532_DB_MACHDEP_H_
|
||
|
|
#define _NS532_DB_MACHDEP_H_
|
||
|
|
|
||
|
|
/* #include <mach/ns532/vm_types.h> */
|
||
|
|
/* #include <mach/ns532/vm_param.h> */
|
||
|
|
#include <vm/vm_prot.h>
|
||
|
|
#include <vm/vm_param.h>
|
||
|
|
#include <vm/vm_inherit.h>
|
||
|
|
#include <vm/lock.h>
|
||
|
|
|
||
|
|
/* #include <ns532/thread.h> /* for thread_status */
|
||
|
|
#include <machine/frame.h> /* For struct trapframe */
|
||
|
|
|
||
|
|
/* #include <ns532/psl.h> */
|
||
|
|
/* #include <ns532/trap.h> */
|
||
|
|
#include <machine/trap.h>
|
||
|
|
|
||
|
|
typedef vm_offset_t db_addr_t; /* address - unsigned */
|
||
|
|
typedef int db_expr_t; /* expression - signed */
|
||
|
|
|
||
|
|
typedef struct ns532_saved_state db_regs_t;
|
||
|
|
db_regs_t ddb_regs; /* register state */
|
||
|
|
#define DDB_REGS (&ddb_regs)
|
||
|
|
|
||
|
|
#define PC_REGS(regs) ((db_addr_t)(regs)->pc)
|
||
|
|
|
||
|
|
#define BKPT_INST 0xf2 /* breakpoint instruction */
|
||
|
|
#define BKPT_SIZE (1) /* size of breakpoint inst */
|
||
|
|
#define BKPT_SET(inst) (BKPT_INST)
|
||
|
|
|
||
|
|
/* #define FIXUP_PC_AFTER_BREAK ddb_regs.pc -= 1; */
|
||
|
|
|
||
|
|
#define db_clear_single_step(regs) ((regs)->psr &= ~PSR_T)
|
||
|
|
#define db_set_single_step(regs) ((regs)->psr |= PSR_T)
|
||
|
|
|
||
|
|
#define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BPT)
|
||
|
|
#define IS_WATCHPOINT_TRAP(type, code) ((type) == T_WATCHPOINT)
|
||
|
|
|
||
|
|
#define I_BSR 0x02
|
||
|
|
#define I_JSR 0x7f /* and low 3 bits of next byte are 0x6 */
|
||
|
|
#define I_RET 0x12
|
||
|
|
#define I_RETT 0x42
|
||
|
|
#define I_RETI 0x52
|
||
|
|
|
||
|
|
#define inst_trap_return(ins) (((ins)&0xff) == I_RETT || \
|
||
|
|
((ins)&0xff) == I_RETI)
|
||
|
|
#define inst_return(ins) (((ins)&0xff) == I_RET)
|
||
|
|
#define inst_call(ins) (((ins)&0xff) == I_BSR || \
|
||
|
|
(((ins)&0xff) == I_JSR && \
|
||
|
|
((ins)&0x0700) == 0x0600))
|
||
|
|
|
||
|
|
#define inst_load(ins) 0
|
||
|
|
#define inst_store(ins) 0
|
||
|
|
|
||
|
|
extern int db_active_ipl;
|
||
|
|
|
||
|
|
/* access capability and access macros */
|
||
|
|
|
||
|
|
#define DB_ACCESS_LEVEL 2 /* access any space */
|
||
|
|
#define DB_CHECK_ACCESS(addr,size,task) \
|
||
|
|
db_check_access(addr,size,task)
|
||
|
|
#define DB_PHYS_EQ(task1,addr1,task2,addr2) \
|
||
|
|
db_phys_eq(task1,addr1,task2,addr2)
|
||
|
|
#define DB_VALID_KERN_ADDR(addr) \
|
||
|
|
((addr) >= VM_MIN_KERNEL_ADDRESS && \
|
||
|
|
(addr) < VM_MAX_KERNEL_ADDRESS)
|
||
|
|
#define DB_VALID_ADDRESS(addr,user) \
|
||
|
|
((!(user) && DB_VALID_KERN_ADDR(addr)) || \
|
||
|
|
((user) && (addr) < VM_MIN_KERNEL_ADDRESS))
|
||
|
|
|
||
|
|
boolean_t db_check_access(/* vm_offset_t, int, task_t */);
|
||
|
|
boolean_t db_phys_eq(/* task_t, vm_offset_t, task_t, vm_offset_t */);
|
||
|
|
|
||
|
|
/* macros for printing OS server dependent task name */
|
||
|
|
|
||
|
|
#define DB_TASK_NAME(task) db_task_name(task)
|
||
|
|
#define DB_TASK_NAME_TITLE "COMMAND "
|
||
|
|
#define DB_TASK_NAME_LEN 23
|
||
|
|
#define DB_NULL_TASK_NAME "? "
|
||
|
|
|
||
|
|
void db_task_name(/* task_t */);
|
||
|
|
|
||
|
|
/* macro for checking if a thread has used floating point */
|
||
|
|
|
||
|
|
#define db_thread_fp_used(thread) ((thread)->pcb->fps && (thread)->pcb->fps->valid)
|
||
|
|
|
||
|
|
#endif /* _NS532_DB_MACHDEP_H_ */
|