mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-30 04:22:44 +00:00
155 lines
4.8 KiB
C
155 lines
4.8 KiB
C
/*
|
|
* Mach Operating System
|
|
* Copyright (c) 1991,1990 Carnegie Mellon University
|
|
* 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 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 Mellon
|
|
* the rights to redistribute these changes.
|
|
*/
|
|
/*
|
|
* HISTORY
|
|
* $Log: db_machdep.h,v $
|
|
* Revision 2.8 92/02/19 15:07:56 elf
|
|
* Added db_thread_fp_used.
|
|
* [92/02/19 rpd]
|
|
*
|
|
* Revision 2.7 91/10/09 16:06:28 af
|
|
* Revision 2.6.3.1 91/10/05 13:10:32 jeffreyh
|
|
* Added access and task name macros.
|
|
* [91/08/29 tak]
|
|
*
|
|
* Revision 2.6.3.1 91/10/05 13:10:32 jeffreyh
|
|
* Added access and task name macros.
|
|
* [91/08/29 tak]
|
|
*
|
|
* Revision 2.6 91/05/14 16:05:58 mrt
|
|
* Correcting copyright
|
|
*
|
|
* Revision 2.5 91/02/05 17:11:17 mrt
|
|
* Changed to new Mach copyright
|
|
* [91/02/01 17:31:24 mrt]
|
|
*
|
|
* Revision 2.4 91/01/08 15:10:16 rpd
|
|
* Added dummy inst_load/inst_store macros.
|
|
* [90/12/11 rpd]
|
|
*
|
|
* Revision 2.3 90/10/25 14:44:49 rwd
|
|
* Added watchpoint support.
|
|
* [90/10/18 rpd]
|
|
*
|
|
* Revision 2.2 90/08/27 21:56:15 dbg
|
|
* Created.
|
|
* [90/07/25 dbg]
|
|
*
|
|
*/
|
|
|
|
#ifndef _I386_DB_MACHDEP_H_
|
|
#define _I386_DB_MACHDEP_H_
|
|
|
|
/*
|
|
* Machine-dependent defines for new kernel debugger.
|
|
*/
|
|
|
|
|
|
/* #include <mach/i386/vm_types.h> */
|
|
/* #include <mach/i386/vm_param.h> */
|
|
#include <vm/vm_prot.h>
|
|
#include <vm/vm_param.h>
|
|
#include <vm/vm_inherit.h>
|
|
#include <vm/lock.h>
|
|
/* #include <i386/thread.h> */ /* for thread_status */
|
|
#include <machine/frame.h> /* for struct trapframe */
|
|
/* #include <i386/eflags.h> */
|
|
#include <machine/eflags.h> /* from Mach... */
|
|
/* #include <i386/trap.h> */
|
|
#include <machine/trap.h>
|
|
|
|
#define i386_saved_state trapframe
|
|
/* end of mangling */
|
|
|
|
typedef vm_offset_t db_addr_t; /* address - unsigned */
|
|
typedef int db_expr_t; /* expression - signed */
|
|
|
|
typedef struct i386_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)->tf_eip)
|
|
|
|
#define BKPT_INST 0xcc /* breakpoint instruction */
|
|
#define BKPT_SIZE (1) /* size of breakpoint inst */
|
|
#define BKPT_SET(inst) (BKPT_INST)
|
|
|
|
#define FIXUP_PC_AFTER_BREAK ddb_regs.tf_eip -= 1;
|
|
|
|
#define db_clear_single_step(regs) ((regs)->tf_eflags &= ~EFL_TF)
|
|
#define db_set_single_step(regs) ((regs)->tf_eflags |= EFL_TF)
|
|
|
|
/* #define IS_BREAKPOINT_TRAP(type, code) ((type) == T_INT3) */
|
|
/* #define IS_WATCHPOINT_TRAP(type, code) ((type) == T_WATCHPOINT) */
|
|
/* using the 386bsd values, rather than the Mach ones: */
|
|
#define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BPTFLT)
|
|
#define IS_WATCHPOINT_TRAP(type, code) ((type) == T_KDBTRAP)
|
|
|
|
#define I_CALL 0xe8
|
|
#define I_CALLI 0xff
|
|
#define I_RET 0xc3
|
|
#define I_IRET 0xcf
|
|
|
|
#define inst_trap_return(ins) (((ins)&0xff) == I_IRET)
|
|
#define inst_return(ins) (((ins)&0xff) == I_RET)
|
|
#define inst_call(ins) (((ins)&0xff) == I_CALL || \
|
|
(((ins)&0xff) == I_CALLI && \
|
|
((ins)&0x3800) == 0x1000))
|
|
#define inst_load(ins) 0
|
|
#define inst_store(ins) 0
|
|
|
|
/* 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->ims.ifps != 0)
|
|
|
|
#endif /* _I386_DB_MACHDEP_H_ */
|