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 1.2 2003/06/17 04:28:21 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 <machine/db_machdep.h> /* type definitions */ 42 43 typedef void db_cmdfcn_t __P((db_expr_t addr, boolean_t have_addr, 44 db_expr_t count, char *modif)); 45 46 #define DB_COMMAND(cmd_name, func_name) \ 47 DB_SET(cmd_name, func_name, db_cmd_set, 0, NULL) 48 #define DB_SHOW_COMMAND(cmd_name, func_name) \ 49 DB_SET(cmd_name, func_name, db_show_cmd_set, 0, NULL) 50 51 #define DB_SET(cmd_name, func_name, set, flag, more) \ 52 static db_cmdfcn_t func_name; \ 53 \ 54 static const struct command __CONCAT(func_name,_cmd) = { \ 55 __STRING(cmd_name), \ 56 func_name, \ 57 flag, \ 58 more \ 59 }; \ 60 TEXT_SET(set, __CONCAT(func_name,_cmd)); \ 61 \ 62 static void \ 63 func_name(addr, have_addr, count, modif) \ 64 db_expr_t addr; \ 65 boolean_t have_addr; \ 66 db_expr_t count; \ 67 char *modif; 68 69 extern char *esym; 70 extern db_expr_t db_maxoff; 71 extern int db_active; 72 extern int db_indent; 73 extern int db_inst_count; 74 extern int db_load_count; 75 extern int debugger_on_panic; 76 extern int db_store_count; 77 extern db_expr_t db_radix; 78 extern db_expr_t db_max_width; 79 extern db_expr_t db_tab_stop_width; 80 81 struct vm_map; 82 83 void db_check_interrupt __P((void)); 84 void db_clear_watchpoints __P((void)); 85 db_addr_t db_disasm __P((db_addr_t loc, boolean_t altfmt)); 86 /* instruction disassembler */ 87 void db_error __P((char *s)); 88 int db_expression __P((db_expr_t *valuep)); 89 int db_get_variable __P((db_expr_t *valuep)); 90 void db_iprintf __P((const char *,...)) __printflike(1, 2); 91 struct vm_map *db_map_addr __P((vm_offset_t)); 92 boolean_t db_map_current __P((struct vm_map *)); 93 boolean_t db_map_equal __P((struct vm_map *, struct vm_map *)); 94 void db_print_loc_and_inst __P((db_addr_t loc)); 95 void db_printf __P((const char *fmt, ...)) __printflike(1, 2); 96 void db_read_bytes __P((vm_offset_t addr, size_t size, char *data)); 97 /* machine-dependent */ 98 int db_readline __P((char *lstart, int lsize)); 99 void db_restart_at_pc __P((boolean_t watchpt)); 100 void db_set_watchpoints __P((void)); 101 void db_skip_to_eol __P((void)); 102 boolean_t db_stop_at_pc __P((boolean_t *is_breakpoint)); 103 #define db_strcpy strcpy 104 void db_trap __P((int type, int code)); 105 int db_value_of_name __P((const char *name, db_expr_t *valuep)); 106 void db_write_bytes __P((vm_offset_t addr, size_t size, char *data)); 107 /* machine-dependent */ 108 void kdb_init __P((void)); 109 110 db_cmdfcn_t db_breakpoint_cmd; 111 db_cmdfcn_t db_continue_cmd; 112 db_cmdfcn_t db_delete_cmd; 113 db_cmdfcn_t db_deletehwatch_cmd; 114 db_cmdfcn_t db_deletewatch_cmd; 115 db_cmdfcn_t db_examine_cmd; 116 db_cmdfcn_t db_hwatchpoint_cmd; 117 db_cmdfcn_t db_listbreak_cmd; 118 db_cmdfcn_t db_print_cmd; 119 db_cmdfcn_t db_ps; 120 db_cmdfcn_t db_search_cmd; 121 db_cmdfcn_t db_set_cmd; 122 db_cmdfcn_t db_show_regs; 123 db_cmdfcn_t db_single_step_cmd; 124 db_cmdfcn_t db_stack_trace_cmd; 125 db_cmdfcn_t db_trace_until_call_cmd; 126 db_cmdfcn_t db_trace_until_matching_cmd; 127 db_cmdfcn_t db_watchpoint_cmd; 128 db_cmdfcn_t db_write_cmd; 129 130 #if 0 131 db_cmdfcn_t db_help_cmd; 132 db_cmdfcn_t db_show_all_threads; 133 db_cmdfcn_t db_show_one_thread; 134 db_cmdfcn_t ipc_port_print; 135 db_cmdfcn_t vm_page_print; 136 #endif 137 138 /* 139 * Command table. 140 */ 141 struct command { 142 char * name; /* command name */ 143 db_cmdfcn_t *fcn; /* function to call */ 144 int flag; /* extra info: */ 145 #define CS_OWN 0x1 /* non-standard syntax */ 146 #define CS_MORE 0x2 /* standard syntax, but may have other words 147 * at end */ 148 #define CS_SET_DOT 0x100 /* set dot after command */ 149 struct command *more; /* another level of command */ 150 }; 151 152 /* XXX: UGLY hack */ 153 #ifdef CN_DEAD 154 /* 155 * Routines to support GDB on an sio port. 156 */ 157 extern dev_t gdbdev; 158 extern cn_getc_t *gdb_getc; 159 extern cn_putc_t *gdb_putc; 160 #endif 161 162 #endif /* !_DDB_DDB_H_ */ 163