f8611316d9
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162 lines
5.1 KiB
C
162 lines
5.1 KiB
C
/*-
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* Copyright (c) 1993, Garrett A. Wollman.
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* Copyright (c) 1993, University of Vermont and State Agricultural College.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Necessary declarations for the `ddb' kernel debugger.
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*/
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#ifndef _DDB_DDB_H_
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#define _DDB_DDB_H_
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#include <machine/db_machdep.h> /* type definitions */
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typedef void db_cmdfcn_t(db_expr_t addr, boolean_t have_addr, db_expr_t count,
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char *modif);
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#define DB_COMMAND(cmd_name, func_name) \
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DB_SET(cmd_name, func_name, db_cmd_set)
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#define DB_SHOW_COMMAND(cmd_name, func_name) \
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DB_SET(cmd_name, func_name, db_show_cmd_set)
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#define DB_SET(cmd_name, func_name, set) \
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static db_cmdfcn_t func_name; \
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\
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static const struct command __CONCAT(func_name,_cmd) = { \
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__STRING(cmd_name), \
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func_name, \
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0, \
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0, \
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}; \
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TEXT_SET(set, __CONCAT(func_name,_cmd)); \
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\
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static void \
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func_name(addr, have_addr, count, modif) \
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db_expr_t addr; \
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boolean_t have_addr; \
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db_expr_t count; \
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char *modif;
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extern char *esym;
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extern db_expr_t db_maxoff;
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extern int db_active;
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extern int db_indent;
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extern int db_inst_count;
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extern int db_load_count;
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extern int debugger_on_panic;
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extern int db_store_count;
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extern db_expr_t db_radix;
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extern db_expr_t db_max_width;
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extern db_expr_t db_tab_stop_width;
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struct vm_map;
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void db_check_interrupt(void);
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void db_clear_watchpoints(void);
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db_addr_t db_disasm(db_addr_t loc, boolean_t altfmt);
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/* instruction disassembler */
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void db_error(char *s);
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int db_expression(db_expr_t *valuep);
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int db_get_variable(db_expr_t *valuep);
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void db_iprintf(const char *,...) __printflike(1, 2);
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struct vm_map *db_map_addr(vm_offset_t);
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boolean_t db_map_current(struct vm_map *);
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boolean_t db_map_equal(struct vm_map *, struct vm_map *);
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void db_print_loc_and_inst(db_addr_t loc);
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void db_printf(const char *fmt, ...) __printflike(1, 2);
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void db_read_bytes(vm_offset_t addr, size_t size, char *data);
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/* machine-dependent */
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int db_readline(char *lstart, int lsize);
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void db_restart_at_pc(boolean_t watchpt);
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void db_set_watchpoints(void);
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void db_skip_to_eol(void);
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boolean_t db_stop_at_pc(boolean_t *is_breakpoint);
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#define db_strcpy strcpy
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void db_trap(int type, int code);
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int db_value_of_name(const char *name, db_expr_t *valuep);
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void db_write_bytes(vm_offset_t addr, size_t size, char *data);
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/* machine-dependent */
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void kdb_init(void);
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db_cmdfcn_t db_breakpoint_cmd;
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db_cmdfcn_t db_continue_cmd;
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db_cmdfcn_t db_delete_cmd;
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db_cmdfcn_t db_deletehwatch_cmd;
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db_cmdfcn_t db_deletewatch_cmd;
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db_cmdfcn_t db_examine_cmd;
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db_cmdfcn_t db_hwatchpoint_cmd;
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db_cmdfcn_t db_listbreak_cmd;
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db_cmdfcn_t db_print_cmd;
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db_cmdfcn_t db_ps;
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db_cmdfcn_t db_search_cmd;
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db_cmdfcn_t db_set_cmd;
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db_cmdfcn_t db_show_regs;
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db_cmdfcn_t db_single_step_cmd;
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db_cmdfcn_t db_stack_trace_cmd;
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db_cmdfcn_t db_trace_until_call_cmd;
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db_cmdfcn_t db_trace_until_matching_cmd;
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db_cmdfcn_t db_watchpoint_cmd;
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db_cmdfcn_t db_write_cmd;
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#if 0
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db_cmdfcn_t db_help_cmd;
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db_cmdfcn_t db_show_all_threads;
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db_cmdfcn_t db_show_one_thread;
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db_cmdfcn_t ipc_port_print;
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db_cmdfcn_t vm_page_print;
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#endif
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/*
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* Command table.
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*/
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struct command {
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char * name; /* command name */
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db_cmdfcn_t *fcn; /* function to call */
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int flag; /* extra info: */
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#define CS_OWN 0x1 /* non-standard syntax */
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#define CS_MORE 0x2 /* standard syntax, but may have other words
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* at end */
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#define CS_SET_DOT 0x100 /* set dot after command */
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struct command *more; /* another level of command */
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};
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/* XXX: UGLY hack */
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#ifdef CN_DEAD
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/*
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* Routines to support GDB on an sio port.
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*/
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extern dev_t gdbdev;
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extern cn_getc_t *gdb_getc;
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extern cn_putc_t *gdb_putc;
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#endif
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#endif /* !_DDB_DDB_H_ */
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