133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/* $NetBSD: db_machdep.h,v 1.29 2021/01/24 07:36:54 mrg Exp $ */
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _SPARC_DB_MACHDEP_H_
|
|
#define _SPARC_DB_MACHDEP_H_
|
|
|
|
/*
|
|
* Machine-dependent defines for new kernel debugger.
|
|
*/
|
|
#include <sys/types.h>
|
|
|
|
#include <uvm/uvm_extern.h>
|
|
|
|
#include <machine/frame.h>
|
|
#include <machine/pcb.h>
|
|
#include <machine/psl.h>
|
|
#include <machine/trap.h>
|
|
#include <machine/reg.h>
|
|
|
|
typedef vaddr_t db_addr_t; /* address - unsigned */
|
|
#define DDB_EXPR_FMT "l" /* expression is long */
|
|
typedef long db_expr_t; /* expression - signed */
|
|
|
|
typedef struct {
|
|
struct trapframe db_tf;
|
|
struct frame db_fr;
|
|
} db_regs_t;
|
|
|
|
/* Current CPU register state */
|
|
extern struct cpu_info *ddb_cpuinfo;
|
|
extern db_regs_t *ddb_regp;
|
|
#define DDB_REGS ddb_regp
|
|
#define DDB_TF (&ddb_regp->db_tf)
|
|
#define DDB_FR (&ddb_regp->db_fr)
|
|
|
|
|
|
#if defined(lint)
|
|
#define PC_REGS(regs) ((regs)->db_tf.tf_pc)
|
|
#else
|
|
#define PC_REGS(regs) ((db_addr_t)(regs)->db_tf.tf_pc)
|
|
#endif
|
|
#define PC_ADVANCE(regs) do { \
|
|
int n = (regs)->db_tf.tf_npc; \
|
|
(regs)->db_tf.tf_pc = n; \
|
|
(regs)->db_tf.tf_npc = n + 4; \
|
|
} while(0)
|
|
|
|
#define BKPT_ADDR(addr) (addr) /* breakpoint address */
|
|
#define BKPT_INST 0x91d02001 /* breakpoint instruction */
|
|
#define BKPT_SIZE (4) /* size of breakpoint inst */
|
|
#define BKPT_SET(inst, addr) (BKPT_INST)
|
|
|
|
#define IS_BREAKPOINT_TRAP(type, code) \
|
|
((type) == T_BREAKPOINT || (type) == T_KGDB_EXEC)
|
|
#define IS_WATCHPOINT_TRAP(type, code) (0)
|
|
|
|
/*
|
|
* Sparc cpus have no hardware single-step.
|
|
*/
|
|
#define SOFTWARE_SSTEP
|
|
|
|
bool db_inst_trap_return(int inst);
|
|
bool db_inst_return(int inst);
|
|
bool db_inst_call(int inst);
|
|
bool db_inst_branch(int inst);
|
|
int db_inst_load(int inst);
|
|
int db_inst_store(int inst);
|
|
bool db_inst_unconditional_flow_transfer(int inst);
|
|
db_addr_t db_branch_taken(int inst, db_addr_t pc, db_regs_t *regs);
|
|
|
|
void ddb_suspend(struct trapframe *);
|
|
|
|
#define inst_trap_return(ins) db_inst_trap_return(ins)
|
|
#define inst_return(ins) db_inst_return(ins)
|
|
#define inst_call(ins) db_inst_call(ins)
|
|
#define inst_branch(ins) db_inst_branch(ins)
|
|
#define inst_load(ins) db_inst_load(ins)
|
|
#define inst_store(ins) db_inst_store(ins)
|
|
#define inst_unconditional_flow_transfer(ins) \
|
|
db_inst_unconditional_flow_transfer(ins)
|
|
#define branch_taken(ins, pc, regs) \
|
|
db_branch_taken((ins), (pc), (regs))
|
|
|
|
/* see note in db_interface.c about reversed breakpoint addrs */
|
|
#define next_instr_address(pc, bd) \
|
|
((bd) ? (pc) : ddb_regp->db_tf.tf_npc)
|
|
|
|
|
|
|
|
#define DB_MACHINE_COMMANDS
|
|
|
|
int kdb_trap(int, struct trapframe *);
|
|
|
|
/*
|
|
* We use elf symbols in DDB.
|
|
*/
|
|
#define DB_ELF_SYMBOLS
|
|
|
|
|
|
/*
|
|
* KGDB definitions
|
|
*/
|
|
typedef u_long kgdb_reg_t;
|
|
#define KGDB_NUMREGS 72
|
|
#define KGDB_BUFLEN 1024
|
|
|
|
#endif /* _SPARC_DB_MACHDEP_H_ */
|