/* $OpenBSD: db_machdep.h,v 1.4 1997/08/08 08:26:13 downsj Exp $ */ /* $NetBSD: db_machdep.h,v 1.9 1997/06/26 01:27:00 thorpej 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 #include #include #include #include /* end of mangling */ typedef vm_offset_t db_addr_t; /* address - unsigned */ typedef long db_expr_t; /* expression - signed */ typedef struct { struct trapframe ddb_tf; struct frame ddb_fr; } db_regs_t; db_regs_t ddb_regs; /* register state */ #define DDB_REGS (&ddb_regs) #define DDB_TF (&ddb_regs.ddb_tf) #define DDB_FR (&ddb_regs.ddb_fr) #if defined(lint) #define PC_REGS(regs) ((regs)->ddb_tf.tf_pc) #else #define PC_REGS(regs) ((db_addr_t)(regs)->ddb_tf.tf_pc) #endif #define BKPT_INST 0x91d02001 /* breakpoint instruction */ #define BKPT_SIZE (4) /* size of breakpoint inst */ #define BKPT_SET(inst) (BKPT_INST) #define db_clear_single_step(regs) (void) (0) #define db_set_single_step(regs) (void) (0) #define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BREAKPOINT) #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_load(ins) 0 #define inst_store(ins) 0 #define DB_MACHINE_COMMANDS void db_machine_init __P((void)); int kdb_trap __P((int, struct trapframe *)); /* * We use a.out symbols in DDB. */ #define DB_AOUT_SYMBOLS #endif /* _SPARC_DB_MACHDEP_H_ */