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 * $FreeBSD: src/sys/ddb/ddb.h,v 1.24.2.2 2002/08/30 22:27:49 gibbs Exp $ 31 * $DragonFly: src/sys/ddb/ddb.h,v 1.6 2003/11/08 03:06:53 dillon Exp $ 32 */ 33 34 /* 35 * Necessary declarations for the `ddb' kernel debugger. 36 */ 37 38 #ifndef _DDB_DDB_H_ 39 #define _DDB_DDB_H_ 40 41 #include <sys/queue.h> 42 #include <machine/db_machdep.h> /* type definitions */ 43 44 typedef void db_cmdfcn_t (db_expr_t addr, boolean_t have_addr, 45 db_expr_t count, char *modif); 46 47 #define DB_COMMAND(cmd_name, func_name) \ 48 DB_SET(cmd_name, func_name, db_cmd_set, 0, NULL) 49 #define DB_SHOW_COMMAND(cmd_name, func_name) \ 50 DB_SET(cmd_name, func_name, db_show_cmd_set, 0, NULL) 51 52 #define DB_SET(cmd_name, func_name, set, flag, more) \ 53 static db_cmdfcn_t func_name; \ 54 \ 55 static const struct command __CONCAT(func_name,_cmd) = { \ 56 __STRING(cmd_name), \ 57 func_name, \ 58 flag, \ 59 more \ 60 }; \ 61 TEXT_SET(set, __CONCAT(func_name,_cmd)); \ 62 \ 63 static void \ 64 func_name(addr, have_addr, count, modif) \ 65 db_expr_t addr; \ 66 boolean_t have_addr; \ 67 db_expr_t count; \ 68 char *modif; 69 70 extern char *esym; 71 extern db_expr_t db_maxoff; 72 extern int db_active; 73 extern int db_indent; 74 extern int db_inst_count; 75 extern int db_load_count; 76 extern int debugger_on_panic; 77 extern int db_store_count; 78 extern db_expr_t db_radix; 79 extern db_expr_t db_max_width; 80 extern db_expr_t db_tab_stop_width; 81 82 struct vm_map; 83 84 void db_check_interrupt (void); 85 void db_clear_watchpoints (void); 86 db_addr_t db_disasm (db_addr_t loc, boolean_t altfmt, db_regs_t *regs); 87 /* instruction disassembler */ 88 void db_error (char *s); 89 int db_expression (db_expr_t *valuep); 90 int db_get_variable (db_expr_t *valuep); 91 void db_iprintf (const char *,...) __printflike(1, 2); 92 struct vm_map *db_map_addr (vm_offset_t); 93 boolean_t db_map_current (struct vm_map *); 94 boolean_t db_map_equal (struct vm_map *, struct vm_map *); 95 void db_print_loc_and_inst (db_addr_t loc, db_regs_t *regs); 96 void db_printf (const char *fmt, ...) __printflike(1, 2); 97 void db_read_bytes (vm_offset_t addr, size_t size, char *data); 98 /* machine-dependent */ 99 int db_readline (char *lstart, int lsize); 100 void db_restart_at_pc (boolean_t watchpt); 101 void db_set_watchpoints (void); 102 void db_skip_to_eol (void); 103 boolean_t db_stop_at_pc (boolean_t *is_breakpoint); 104 #define db_strcpy strcpy 105 void db_trap (int type, int code); 106 int db_value_of_name (const char *name, db_expr_t *valuep); 107 void db_write_bytes (vm_offset_t addr, size_t size, char *data); 108 /* machine-dependent */ 109 void kdb_init (void); 110 111 db_cmdfcn_t db_breakpoint_cmd; 112 db_cmdfcn_t db_continue_cmd; 113 db_cmdfcn_t db_delete_cmd; 114 db_cmdfcn_t db_deletehwatch_cmd; 115 db_cmdfcn_t db_deletewatch_cmd; 116 db_cmdfcn_t db_examine_cmd; 117 db_cmdfcn_t db_hwatchpoint_cmd; 118 db_cmdfcn_t db_listbreak_cmd; 119 db_cmdfcn_t db_print_cmd; 120 db_cmdfcn_t db_ps; 121 db_cmdfcn_t db_search_cmd; 122 db_cmdfcn_t db_set_cmd; 123 db_cmdfcn_t db_show_regs; 124 db_cmdfcn_t db_single_step_cmd; 125 db_cmdfcn_t db_stack_trace_cmd; 126 db_cmdfcn_t db_trace_until_call_cmd; 127 db_cmdfcn_t db_trace_until_matching_cmd; 128 db_cmdfcn_t db_watchpoint_cmd; 129 db_cmdfcn_t db_write_cmd; 130 131 #if 0 132 db_cmdfcn_t db_help_cmd; 133 db_cmdfcn_t db_show_all_threads; 134 db_cmdfcn_t db_show_one_thread; 135 db_cmdfcn_t ipc_port_print; 136 db_cmdfcn_t vm_page_print; 137 #endif 138 139 /* 140 * Print backtrace. (Machine-Dependant) 141 */ 142 void db_print_backtrace(void); 143 144 /* 145 * Command table. 146 */ 147 struct command { 148 char * name; /* command name */ 149 db_cmdfcn_t *fcn; /* function to call */ 150 int flag; /* extra info: */ 151 #define CS_OWN 0x1 /* non-standard syntax */ 152 #define CS_MORE 0x2 /* standard syntax, but may have other words 153 * at end */ 154 #define CS_SET_DOT 0x100 /* set dot after command */ 155 struct command *more; /* another level of command */ 156 }; 157 158 /* XXX: UGLY hack */ 159 #ifdef CN_DEAD 160 /* 161 * Routines to support GDB on an sio port. 162 */ 163 extern dev_t gdbdev; 164 extern cn_getc_t *gdb_getc; 165 extern cn_putc_t *gdb_putc; 166 #endif 167 168 #endif /* !_DDB_DDB_H_ */ 169