1 /*- 2 * Copyright (c) 1993, Garrett A. Wollman. 3 * Copyright (c) 1993, University of Vermont and State Agricultural College. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $Id: ddb.h,v 1.4 1994/09/27 12:15:56 davidg Exp $ 31 */ 32 33 /* 34 * Necessary declarations for the `ddb' kernel debugger. 35 */ 36 37 #ifndef __h_ddb_ddb 38 #define __h_ddb_ddb 1 39 40 #include <machine/db_machdep.h> /* type definitions */ 41 #include <vm/vm.h> 42 43 /* 44 * Global variables... 45 */ 46 extern char *esym; 47 extern unsigned int db_maxoff; 48 extern int db_inst_count; 49 extern int db_load_count; 50 extern int db_store_count; 51 extern int db_radix; 52 extern int db_max_width; 53 extern int db_tab_stop_width; 54 55 /* 56 * Functions... 57 */ 58 extern void 59 db_read_bytes(vm_offset_t addr, register int size, register char *data); 60 /* machine-dependent */ 61 62 extern void 63 db_write_bytes(vm_offset_t addr, register int size, register char *data); 64 /* machine-dependent */ 65 66 struct vm_map; /* forward declaration */ 67 68 extern boolean_t db_map_equal(struct vm_map *, struct vm_map *); 69 extern boolean_t db_map_current(struct vm_map *); 70 extern struct vm_map *db_map_addr(vm_offset_t); 71 72 #define db_strcpy strcpy 73 extern int db_expression (db_expr_t *valuep); 74 75 typedef void db_cmd_fcn(db_expr_t, int, db_expr_t, char *); 76 77 extern db_cmd_fcn db_listbreak_cmd, db_listwatch_cmd, db_show_regs; 78 extern db_cmd_fcn db_print_cmd, db_examine_cmd, db_set_cmd, db_search_cmd; 79 extern db_cmd_fcn db_write_cmd, db_delete_cmd, db_breakpoint_cmd; 80 extern db_cmd_fcn db_deletewatch_cmd, db_watchpoint_cmd; 81 extern db_cmd_fcn db_single_step_cmd, db_trace_until_call_cmd; 82 extern db_cmd_fcn db_trace_until_matching_cmd, db_continue_cmd; 83 extern db_cmd_fcn db_stack_trace_cmd; 84 85 extern db_addr_t db_disasm(db_addr_t loc, boolean_t altfmt); 86 /* instruction disassembler */ 87 88 extern int db_value_of_name (char *name, db_expr_t *valuep); 89 extern int db_get_variable (db_expr_t *valuep); 90 extern void db_putchar (int c); 91 extern void db_error (char *s); 92 extern int db_readline (char *lstart, int lsize); 93 extern void db_printf (const char *fmt, ...); 94 extern void db_check_interrupt(void); 95 extern void db_print_loc_and_inst (db_addr_t loc); 96 97 extern void db_clear_watchpoints (void); 98 extern void db_set_watchpoints (void); 99 100 extern void db_restart_at_pc(boolean_t watchpt); 101 extern boolean_t db_stop_at_pc(boolean_t *is_breakpoint); 102 103 extern void db_skip_to_eol (void); 104 extern void db_single_step (db_regs_t *regs); 105 106 extern void db_trap (int type, int code); 107 108 extern void cnpollc(int); 109 110 extern void kdb_init(void); 111 extern void kdbprinttrap(int, int); 112 113 #endif /* __h_ddb_ddb */ 114