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 31 /* 32 * Necessary declarations for the `ddb' kernel debugger. 33 */ 34 35 #ifndef _DDB_DDB_H_ 36 #define _DDB_DDB_H_ 37 38 #define __P(protos) protos 39 typedef int boolean_t; 40 typedef unsigned long vm_offset_t; 41 42 #include "db_machdep.h" /* type definitions */ 43 44 typedef void db_cmdfcn_t __P((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) 49 #define DB_SHOW_COMMAND(cmd_name, func_name) \ 50 DB_SET(cmd_name, func_name, db_show_cmd_set) 51 52 #define DB_SET(cmd_name, func_name, set) \ 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 0, \ 59 0, \ 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 unsigned int db_maxoff; 72 extern int db_indent; 73 extern int db_inst_count; 74 extern int db_load_count; 75 extern int db_store_count; 76 extern int db_radix; 77 extern int db_max_width; 78 extern int db_tab_stop_width; 79 80 struct vm_map; 81 82 void cnpollc __P((int)); 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 #if 0 88 //void db_error __P((char *s)); 89 #endif 90 #define db_error printk 91 int db_expression __P((db_expr_t *valuep)); 92 int db_get_variable __P((db_expr_t *valuep)); 93 void db_iprintf __P((const char *,...)); 94 struct vm_map *db_map_addr __P((vm_offset_t)); 95 boolean_t db_map_current __P((struct vm_map *)); 96 boolean_t db_map_equal __P((struct vm_map *, struct vm_map *)); 97 void db_print_loc_and_inst __P((db_addr_t loc)); 98 void db_printf __P((const char *fmt, ...)); 99 void db_read_bytes __P((vm_offset_t addr, int size, char *data)); 100 /* machine-dependent */ 101 int db_readline __P((char *lstart, int lsize)); 102 void db_restart_at_pc __P((boolean_t watchpt)); 103 void db_set_watchpoints __P((void)); 104 void db_skip_to_eol __P((void)); 105 boolean_t db_stop_at_pc __P((boolean_t *is_breakpoint)); 106 #define db_strcpy strcpy 107 void db_trap __P((int type, int code)); 108 int db_value_of_name __P((char *name, db_expr_t *valuep)); 109 void db_write_bytes __P((vm_offset_t addr, int size, char *data)); 110 /* machine-dependent */ 111 void kdb_init __P((void)); 112 void kdbprintf __P((const char *fmt, ...)); 113 114 db_cmdfcn_t db_breakpoint_cmd; 115 db_cmdfcn_t db_continue_cmd; 116 db_cmdfcn_t db_delete_cmd; 117 db_cmdfcn_t db_deletewatch_cmd; 118 db_cmdfcn_t db_examine_cmd; 119 db_cmdfcn_t db_listbreak_cmd; 120 db_cmdfcn_t db_listwatch_cmd; 121 db_cmdfcn_t db_print_cmd; 122 db_cmdfcn_t db_ps; 123 db_cmdfcn_t db_search_cmd; 124 db_cmdfcn_t db_set_cmd; 125 db_cmdfcn_t db_show_regs; 126 db_cmdfcn_t db_single_step_cmd; 127 db_cmdfcn_t db_stack_trace_cmd; 128 db_cmdfcn_t db_trace_until_call_cmd; 129 db_cmdfcn_t db_trace_until_matching_cmd; 130 db_cmdfcn_t db_watchpoint_cmd; 131 db_cmdfcn_t db_write_cmd; 132 133 #if 0 134 db_cmdfcn_t db_help_cmd; 135 db_cmdfcn_t db_show_all_threads; 136 db_cmdfcn_t db_show_one_thread; 137 db_cmdfcn_t ipc_port_print; 138 db_cmdfcn_t vm_page_print; 139 #endif 140 141 /* 142 * Command table. 143 */ 144 struct command { 145 char * name; /* command name */ 146 db_cmdfcn_t *fcn; /* function to call */ 147 int flag; /* extra info: */ 148 #define CS_OWN 0x1 /* non-standard syntax */ 149 #define CS_MORE 0x2 /* standard syntax, but may have other words 150 * at end */ 151 #define CS_SET_DOT 0x100 /* set dot after command */ 152 struct command *more; /* another level of command */ 153 }; 154 155 db_addr_t 156 my_disasm(db_addr_t loc, 157 boolean_t altfmt); 158 159 #endif /* !_DDB_DDB_H_ */ 160