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Commit 8a099482 authored by Mitchell Horne's avatar Mitchell Horne
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db_command.c: use designated initializers 

Provide separate helper macros for regular commands and next-level table
commands as they are mutually exclusive. This ensures proper
initialization of each element and allows us to exclude some redundant
fields, such as specifying .more = NULL for every regular command.

Reviewed by:	markj, jhb
MFC after:	3 days
Sponsored by:	Juniper Networks, Inc.
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D35580
parent 4f2ad624
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sys/ddb/db_command.c
View file @ 8a099482
......@@ -79,84 +79,97 @@ static db_cmdfcn_t db_stack_trace_active;
static db_cmdfcn_t db_stack_trace_all;
static db_cmdfcn_t db_watchdog;
/*
* 'show' commands
*/
#define DB_CMD(_name, _func, _flags) \
{ \
.name = (_name), \
.fcn = (_func), \
.flag = (_flags), \
.more = NULL, \
}
#define DB_TABLE(_name, _more) \
{ \
.name = (_name), \
.fcn = NULL, \
.more = (_more), \
}
static struct db_command db_show_active_cmds[] = {
{ "trace", db_stack_trace_active, 0, NULL },
DB_CMD("trace", db_stack_trace_active, 0),
};
struct db_command_table db_show_active_table =
LIST_HEAD_INITIALIZER(db_show_active_table);
static struct db_command db_show_all_cmds[] = {
{ "trace", db_stack_trace_all, 0, NULL },
DB_CMD("trace", db_stack_trace_all, 0),
};
struct db_command_table db_show_all_table =
LIST_HEAD_INITIALIZER(db_show_all_table);
static struct db_command db_show_cmds[] = {
{ "active", 0, 0, &db_show_active_table },
{ "all", 0, 0, &db_show_all_table },
{ "registers", db_show_regs, 0, NULL },
{ "breaks", db_listbreak_cmd, 0, NULL },
{ "threads", db_show_threads, 0, NULL },
DB_TABLE("active", &db_show_active_table),
DB_TABLE("all", &db_show_all_table),
DB_CMD("registers", db_show_regs, 0),
DB_CMD("breaks", db_listbreak_cmd, 0),
DB_CMD("threads", db_show_threads, 0),
};
struct db_command_table db_show_table = LIST_HEAD_INITIALIZER(db_show_table);
static struct db_command db_cmds[] = {
{ "print", db_print_cmd, 0, NULL },
{ "p", db_print_cmd, 0, NULL },
{ "examine", db_examine_cmd, CS_SET_DOT, NULL },
{ "x", db_examine_cmd, CS_SET_DOT, NULL },
{ "search", db_search_cmd, CS_OWN|CS_SET_DOT, NULL },
{ "set", db_set_cmd, CS_OWN, NULL },
{ "write", db_write_cmd, CS_MORE|CS_SET_DOT, NULL },
{ "w", db_write_cmd, CS_MORE|CS_SET_DOT, NULL },
{ "delete", db_delete_cmd, 0, NULL },
{ "d", db_delete_cmd, 0, NULL },
{ "dump", db_dump, 0, NULL },
{ "break", db_breakpoint_cmd, 0, NULL },
{ "b", db_breakpoint_cmd, 0, NULL },
{ "dwatch", db_deletewatch_cmd, 0, NULL },
{ "watch", db_watchpoint_cmd, CS_MORE,NULL },
{ "dhwatch", db_deletehwatch_cmd, 0, NULL },
{ "hwatch", db_hwatchpoint_cmd, 0, NULL },
{ "step", db_single_step_cmd, 0, NULL },
{ "s", db_single_step_cmd, 0, NULL },
{ "continue", db_continue_cmd, 0, NULL },
{ "c", db_continue_cmd, 0, NULL },
{ "until", db_trace_until_call_cmd,0, NULL },
{ "next", db_trace_until_matching_cmd,0, NULL },
{ "match", db_trace_until_matching_cmd,0, NULL },
{ "trace", db_stack_trace, CS_OWN, NULL },
{ "t", db_stack_trace, CS_OWN, NULL },
DB_TABLE("show", &db_show_table),
DB_CMD("print", db_print_cmd, 0),
DB_CMD("p", db_print_cmd, 0),
DB_CMD("examine", db_examine_cmd, CS_SET_DOT),
DB_CMD("x", db_examine_cmd, CS_SET_DOT),
DB_CMD("search", db_search_cmd, CS_OWN|CS_SET_DOT),
DB_CMD("set", db_set_cmd, CS_OWN),
DB_CMD("write", db_write_cmd, CS_MORE|CS_SET_DOT),
DB_CMD("w", db_write_cmd, CS_MORE|CS_SET_DOT),
DB_CMD("delete", db_delete_cmd, 0),
DB_CMD("d", db_delete_cmd, 0),
DB_CMD("dump", db_dump, 0),
DB_CMD("break", db_breakpoint_cmd, 0),
DB_CMD("b", db_breakpoint_cmd, 0),
DB_CMD("dwatch", db_deletewatch_cmd, 0),
DB_CMD("watch", db_watchpoint_cmd, CS_MORE),
DB_CMD("dhwatch", db_deletehwatch_cmd, 0),
DB_CMD("hwatch", db_hwatchpoint_cmd, 0),
DB_CMD("step", db_single_step_cmd, 0),
DB_CMD("s", db_single_step_cmd, 0),
DB_CMD("continue", db_continue_cmd, 0),
DB_CMD("c", db_continue_cmd, 0),
DB_CMD("until", db_trace_until_call_cmd, 0),
DB_CMD("next", db_trace_until_matching_cmd, 0),
DB_CMD("match", db_trace_until_matching_cmd, 0),
DB_CMD("trace", db_stack_trace, CS_OWN),
DB_CMD("t", db_stack_trace, CS_OWN),
/* XXX alias for active trace */
{ "acttrace", db_stack_trace_active, 0, NULL },
DB_CMD("acttrace", db_stack_trace_active, 0),
/* XXX alias for all trace */
{ "alltrace", db_stack_trace_all, 0, NULL },
{ "where", db_stack_trace, CS_OWN, NULL },
{ "bt", db_stack_trace, CS_OWN, NULL },
{ "call", db_fncall, CS_OWN, NULL },
{ "show", 0, 0, &db_show_table },
{ "ps", db_ps, 0, NULL },
{ "gdb", db_gdb, 0, NULL },
{ "halt", db_halt, 0, NULL },
{ "reboot", db_reset, 0, NULL },
{ "reset", db_reset, 0, NULL },
{ "kill", db_kill, CS_OWN, NULL },
{ "watchdog", db_watchdog, CS_OWN, NULL },
{ "thread", db_set_thread, 0, NULL },
{ "run", db_run_cmd, CS_OWN, NULL },
{ "script", db_script_cmd, CS_OWN, NULL },
{ "scripts", db_scripts_cmd, 0, NULL },
{ "unscript", db_unscript_cmd, CS_OWN, NULL },
{ "capture", db_capture_cmd, CS_OWN, NULL },
{ "textdump", db_textdump_cmd, CS_OWN, NULL },
{ "findstack", db_findstack_cmd, 0, NULL },
DB_CMD("alltrace", db_stack_trace_all, 0),
DB_CMD("where", db_stack_trace, CS_OWN),
DB_CMD("bt", db_stack_trace, CS_OWN),
DB_CMD("call", db_fncall, CS_OWN),
DB_CMD("ps", db_ps, 0),
DB_CMD("gdb", db_gdb, 0),
DB_CMD("halt", db_halt, 0),
DB_CMD("reboot", db_reset, 0),
DB_CMD("reset", db_reset, 0),
DB_CMD("kill", db_kill, CS_OWN),
DB_CMD("watchdog", db_watchdog, CS_OWN),
DB_CMD("thread", db_set_thread, 0),
DB_CMD("run", db_run_cmd, CS_OWN),
DB_CMD("script", db_script_cmd, CS_OWN),
DB_CMD("scripts", db_scripts_cmd, 0),
DB_CMD("unscript", db_unscript_cmd, CS_OWN),
DB_CMD("capture", db_capture_cmd, CS_OWN),
DB_CMD("textdump", db_textdump_cmd, CS_OWN),
DB_CMD("findstack", db_findstack_cmd, 0),
};
struct db_command_table db_cmd_table = LIST_HEAD_INITIALIZER(db_cmd_table);
#undef DB_CMD
#undef DB_TABLE
static struct db_command *db_last_command = NULL;
/*
......
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