| 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 1.10 2006/09/10 01:26:33 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 | #ifndef _SYS_QUEUE_H_ |
| 42 | #include <sys/queue.h> |
| 43 | #endif |
| 44 | |
| 45 | #ifndef _MACHINE_DB_MACHDEP_H_ |
| 46 | #include <machine/db_machdep.h> /* type definitions */ |
| 47 | #endif |
| 48 | |
| 49 | typedef void db_cmdfcn_t (db_expr_t addr, boolean_t have_addr, |
| 50 | db_expr_t count, char *modif); |
| 51 | |
| 52 | #define DB_COMMAND(cmd_name, func_name) \ |
| 53 | DB_SET(cmd_name, func_name, db_cmd_set, 0, NULL) |
| 54 | #define DB_SHOW_COMMAND(cmd_name, func_name) \ |
| 55 | DB_SET(cmd_name, func_name, db_show_cmd_set, 0, NULL) |
| 56 | |
| 57 | #define DB_SET(cmd_name, func_name, set, flag, more) \ |
| 58 | static db_cmdfcn_t func_name; \ |
| 59 | \ |
| 60 | static const struct command __CONCAT(func_name,_cmd) = { \ |
| 61 | __STRING(cmd_name), \ |
| 62 | func_name, \ |
| 63 | flag, \ |
| 64 | more \ |
| 65 | }; \ |
| 66 | TEXT_SET(set, __CONCAT(func_name,_cmd)); \ |
| 67 | \ |
| 68 | static void \ |
| 69 | func_name(db_expr_t addr, boolean_t have_addr, db_expr_t count, \ |
| 70 | char *modif) |
| 71 | |
| 72 | extern char *esym; |
| 73 | extern db_expr_t db_maxoff; |
| 74 | extern int db_active; |
| 75 | extern int db_indent; |
| 76 | extern int db_inst_count; |
| 77 | extern int db_load_count; |
| 78 | extern int debugger_on_panic; |
| 79 | extern int db_store_count; |
| 80 | extern db_expr_t db_radix; |
| 81 | extern db_expr_t db_max_width; |
| 82 | extern db_expr_t db_tab_stop_width; |
| 83 | |
| 84 | struct vm_map; |
| 85 | |
| 86 | int db_more(int *nl); |
| 87 | void db_check_interrupt (void); |
| 88 | void db_clear_watchpoints (void); |
| 89 | db_addr_t db_disasm (db_addr_t loc, boolean_t altfmt, db_regs_t *regs); |
| 90 | /* instruction disassembler */ |
| 91 | void db_error (char *s); |
| 92 | int db_expression (db_expr_t *valuep); |
| 93 | int db_get_variable (db_expr_t *valuep); |
| 94 | void db_iprintf (const char *,...) __printflike(1, 2); |
| 95 | struct vm_map *db_map_addr (vm_offset_t); |
| 96 | boolean_t db_map_current (struct vm_map *); |
| 97 | boolean_t db_map_equal (struct vm_map *, struct vm_map *); |
| 98 | void db_print_loc_and_inst (db_addr_t loc, db_regs_t *regs); |
| 99 | void db_printf (const char *fmt, ...) __printflike(1, 2); |
| 100 | void db_read_bytes (vm_offset_t addr, size_t size, char *data); |
| 101 | /* machine-dependent */ |
| 102 | int db_readline (char *lstart, int lsize); |
| 103 | void db_restart_at_pc (boolean_t watchpt); |
| 104 | void db_set_watchpoints (void); |
| 105 | void db_skip_to_eol (void); |
| 106 | boolean_t db_stop_at_pc (boolean_t *is_breakpoint); |
| 107 | #define db_strcpy strcpy |
| 108 | void db_trap (int type, int code); |
| 109 | int db_value_of_name (const char *name, db_expr_t *valuep); |
| 110 | void db_write_bytes (vm_offset_t addr, size_t size, char *data); |
| 111 | /* machine-dependent */ |
| 112 | void kdb_init (void); |
| 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_deletehwatch_cmd; |
| 118 | db_cmdfcn_t db_deletewatch_cmd; |
| 119 | db_cmdfcn_t db_examine_cmd; |
| 120 | db_cmdfcn_t db_hwatchpoint_cmd; |
| 121 | db_cmdfcn_t db_listbreak_cmd; |
| 122 | db_cmdfcn_t db_print_cmd; |
| 123 | db_cmdfcn_t db_ps; |
| 124 | db_cmdfcn_t db_search_cmd; |
| 125 | db_cmdfcn_t db_set_cmd; |
| 126 | db_cmdfcn_t db_show_regs; |
| 127 | db_cmdfcn_t db_single_step_cmd; |
| 128 | db_cmdfcn_t db_stack_trace_cmd; |
| 129 | db_cmdfcn_t db_trace_until_call_cmd; |
| 130 | db_cmdfcn_t db_trace_until_matching_cmd; |
| 131 | db_cmdfcn_t db_watchpoint_cmd; |
| 132 | db_cmdfcn_t db_write_cmd; |
| 133 | |
| 134 | #if 0 |
| 135 | db_cmdfcn_t db_help_cmd; |
| 136 | db_cmdfcn_t db_show_all_threads; |
| 137 | db_cmdfcn_t db_show_one_thread; |
| 138 | db_cmdfcn_t ipc_port_print; |
| 139 | db_cmdfcn_t vm_page_print; |
| 140 | #endif |
| 141 | |
| 142 | /* |
| 143 | * Print backtrace. (Machine-Dependant) |
| 144 | */ |
| 145 | void db_print_backtrace(void); |
| 146 | |
| 147 | /* |
| 148 | * Command table. |
| 149 | */ |
| 150 | struct command { |
| 151 | char * name; /* command name */ |
| 152 | db_cmdfcn_t *fcn; /* function to call */ |
| 153 | int flag; /* extra info: */ |
| 154 | #define CS_OWN 0x1 /* non-standard syntax */ |
| 155 | #define CS_MORE 0x2 /* standard syntax, but may have other words |
| 156 | * at end */ |
| 157 | #define CS_SET_DOT 0x100 /* set dot after command */ |
| 158 | struct command *more; /* another level of command */ |
| 159 | }; |
| 160 | |
| 161 | /* XXX: UGLY hack */ |
| 162 | #ifdef CN_DEAD |
| 163 | /* |
| 164 | * Routines to support GDB on an sio port. |
| 165 | */ |
| 166 | extern cdev_t gdbdev; |
| 167 | extern cn_getc_t *gdb_getc; |
| 168 | extern cn_putc_t *gdb_putc; |
| 169 | #endif |
| 170 | |
| 171 | #endif /* !_DDB_DDB_H_ */ |