freebsd-dev/sys/ddb/ddb.h

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/*-
* Copyright (c) 1993, Garrett A. Wollman.
* Copyright (c) 1993, University of Vermont and State Agricultural College.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
/*
* Necessary declarations for the `ddb' kernel debugger.
*/
#ifndef __h_ddb_ddb
#define __h_ddb_ddb 1
#include "machine/db_machdep.h" /* type definitions */
/*
* Global variables...
*/
extern char *esym;
extern unsigned int db_maxoff;
extern int db_inst_count;
extern int db_load_count;
extern int db_store_count;
extern int db_radix;
extern int db_max_width;
extern int db_tab_stop_width;
/*
* Functions...
*/
extern void
db_read_bytes(vm_offset_t addr, register int size, register char *data);
/* machine-dependent */
extern void
db_write_bytes(vm_offset_t addr, register int size, register char *data);
/* machine-dependent */
struct vm_map; /* forward declaration */
extern boolean_t db_map_equal(struct vm_map *, struct vm_map *);
extern boolean_t db_map_current(struct vm_map *);
extern struct vm_map *db_map_addr(vm_offset_t);
#define db_strcpy strcpy
extern int db_expression (db_expr_t *valuep);
typedef void db_cmd_fcn(db_expr_t, int, db_expr_t, char *);
extern db_cmd_fcn db_listbreak_cmd, db_listwatch_cmd, db_show_regs;
extern db_cmd_fcn db_print_cmd, db_examine_cmd, db_set_cmd, db_search_cmd;
extern db_cmd_fcn db_write_cmd, db_delete_cmd, db_breakpoint_cmd;
extern db_cmd_fcn db_deletewatch_cmd, db_watchpoint_cmd;
extern db_cmd_fcn db_single_step_cmd, db_trace_until_call_cmd;
extern db_cmd_fcn db_trace_until_matching_cmd, db_continue_cmd;
extern db_cmd_fcn db_stack_trace_cmd;
extern db_addr_t db_disasm(db_addr_t loc, boolean_t altfmt);
/* instruction disassembler */
extern int db_value_of_name (char *name, db_expr_t *valuep);
extern int db_get_variable (db_expr_t *valuep);
extern void db_putchar (int c);
extern void db_error (char *s);
extern int db_readline (char *lstart, int lsize);
extern void db_printf (const char *fmt, ...);
extern void db_check_interrupt(void);
extern void db_print_loc_and_inst (db_addr_t loc);
extern void db_clear_watchpoints (void);
extern void db_set_watchpoints (void);
extern void db_restart_at_pc(boolean_t watchpt);
extern boolean_t db_stop_at_pc(boolean_t *is_breakpoint);
extern void db_skip_to_eol (void);
extern void db_single_step (db_regs_t *regs);
extern void db_trap (int type, int code);
extern void kdbprinttrap(int, int);
#endif /* __h_ddb_ddb */