ddb.h revision 147745
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: head/sys/ddb/ddb.h 147745 2005-07-02 23:52:37Z marcel $ 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#ifndef DB_MAXARGS 43#define DB_MAXARGS 10 44#endif 45 46#ifndef DB_CALL 47#define DB_CALL db_fncall_generic 48#else 49int DB_CALL(db_expr_t, db_expr_t *, int, db_expr_t[]); 50#endif 51 52typedef void db_cmdfcn_t(db_expr_t addr, boolean_t have_addr, db_expr_t count, 53 char *modif); 54 55typedef void db_page_calloutfcn_t(void *arg); 56 57#define DB_COMMAND(cmd_name, func_name) \ 58 DB_SET(cmd_name, func_name, db_cmd_set, 0, NULL) 59#define DB_SHOW_COMMAND(cmd_name, func_name) \ 60 DB_SET(cmd_name, func_name, db_show_cmd_set, 0, NULL) 61 62#define DB_SET(cmd_name, func_name, set, flag, more) \ 63static db_cmdfcn_t func_name; \ 64 \ 65static const struct command __CONCAT(func_name,_cmd) = { \ 66 __STRING(cmd_name), \ 67 func_name, \ 68 flag, \ 69 more \ 70}; \ 71TEXT_SET(set, __CONCAT(func_name,_cmd)); \ 72 \ 73static void \ 74func_name(addr, have_addr, count, modif) \ 75 db_expr_t addr; \ 76 boolean_t have_addr; \ 77 db_expr_t count; \ 78 char *modif; 79 80extern db_expr_t db_maxoff; 81extern int db_indent; 82extern int db_inst_count; 83extern int db_load_count; 84extern int db_store_count; 85extern db_expr_t db_radix; 86extern db_expr_t db_max_width; 87extern db_expr_t db_tab_stop_width; 88extern db_expr_t db_lines_per_page; 89 90struct thread; 91struct vm_map; 92 93void db_check_interrupt(void); 94void db_clear_watchpoints(void); 95db_addr_t db_disasm(db_addr_t loc, boolean_t altfmt); 96 /* instruction disassembler */ 97void db_error(const char *s); 98int db_expression(db_expr_t *valuep); 99int db_get_variable(db_expr_t *valuep); 100void db_iprintf(const char *,...) __printflike(1, 2); 101struct vm_map *db_map_addr(vm_offset_t); 102boolean_t db_map_current(struct vm_map *); 103boolean_t db_map_equal(struct vm_map *, struct vm_map *); 104void db_print_loc_and_inst(db_addr_t loc); 105void db_print_thread(void); 106void db_printf(const char *fmt, ...) __printflike(1, 2); 107int db_read_bytes(vm_offset_t addr, size_t size, char *data); 108 /* machine-dependent */ 109int db_readline(char *lstart, int lsize); 110void db_restart_at_pc(boolean_t watchpt); 111int db_set_variable(db_expr_t value); 112void db_set_watchpoints(void); 113void db_setup_paging(db_page_calloutfcn_t *callout, void *arg, 114 int maxlines); 115void db_skip_to_eol(void); 116boolean_t db_stop_at_pc(boolean_t *is_breakpoint); 117#define db_strcpy strcpy 118void db_trace_self(void); 119int db_trace_thread(struct thread *, int); 120int db_value_of_name(const char *name, db_expr_t *valuep); 121int db_write_bytes(vm_offset_t addr, size_t size, char *data); 122 123db_cmdfcn_t db_breakpoint_cmd; 124db_cmdfcn_t db_continue_cmd; 125db_cmdfcn_t db_delete_cmd; 126db_cmdfcn_t db_deletehwatch_cmd; 127db_cmdfcn_t db_deletewatch_cmd; 128db_cmdfcn_t db_examine_cmd; 129db_cmdfcn_t db_hwatchpoint_cmd; 130db_cmdfcn_t db_listbreak_cmd; 131db_cmdfcn_t db_print_cmd; 132db_cmdfcn_t db_ps; 133db_cmdfcn_t db_search_cmd; 134db_cmdfcn_t db_set_cmd; 135db_cmdfcn_t db_set_thread; 136db_cmdfcn_t db_show_regs; 137db_cmdfcn_t db_show_threads; 138db_cmdfcn_t db_single_step_cmd; 139db_cmdfcn_t db_trace_until_call_cmd; 140db_cmdfcn_t db_trace_until_matching_cmd; 141db_cmdfcn_t db_watchpoint_cmd; 142db_cmdfcn_t db_write_cmd; 143 144db_page_calloutfcn_t db_simple_pager; 145 146/* 147 * Command table. 148 */ 149struct command { 150 char * name; /* command name */ 151 db_cmdfcn_t *fcn; /* function to call */ 152 int flag; /* extra info: */ 153#define CS_OWN 0x1 /* non-standard syntax */ 154#define CS_MORE 0x2 /* standard syntax, but may have other words 155 * at end */ 156#define CS_SET_DOT 0x100 /* set dot after command */ 157 struct command *more; /* another level of command */ 158}; 159 160#endif /* !_DDB_DDB_H_ */ 161