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