From 4ef7db5a7e5c06cd8788e6f653ee955ace44b6c9 Mon Sep 17 00:00:00 2001 From: Mitchell Horne Date: Tue, 14 Jun 2022 13:09:11 -0300 Subject: [PATCH] ddb: namespacing of struct command 'command' is too generic for something specific to the kernel debugger; change this so it is less likely to collide with local variable names. Also rename struct command_table to struct db_command_table. Reviewed by: markj MFC after: 1 week Sponsored by: Juniper Networks, Inc. Sponsored by: Klara, Inc. Differential Revision: https://reviews.freebsd.org/D35367 --- sys/ddb/db_command.c | 57 +++++++++++++++++++++-------------------- sys/ddb/ddb.h | 24 +++++++++-------- sys/dev/cxgbe/t4_main.c | 2 +- 3 files changed, 43 insertions(+), 40 deletions(-) diff --git a/sys/ddb/db_command.c b/sys/ddb/db_command.c index e1f822ef44d8..b101b843c437 100644 --- a/sys/ddb/db_command.c +++ b/sys/ddb/db_command.c @@ -83,28 +83,28 @@ static db_cmdfcn_t db_watchdog; * 'show' commands */ -static struct command db_show_active_cmds[] = { +static struct db_command db_show_active_cmds[] = { { "trace", db_stack_trace_active, 0, NULL }, }; -struct command_table db_show_active_table = +struct db_command_table db_show_active_table = LIST_HEAD_INITIALIZER(db_show_active_table); -static struct command db_show_all_cmds[] = { +static struct db_command db_show_all_cmds[] = { { "trace", db_stack_trace_all, 0, NULL }, }; -struct command_table db_show_all_table = +struct db_command_table db_show_all_table = LIST_HEAD_INITIALIZER(db_show_all_table); -static struct command db_show_cmds[] = { +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 }, }; -struct command_table db_show_table = LIST_HEAD_INITIALIZER(db_show_table); +struct db_command_table db_show_table = LIST_HEAD_INITIALIZER(db_show_table); -static struct command db_cmds[] = { +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 }, @@ -155,9 +155,9 @@ static struct command db_cmds[] = { { "textdump", db_textdump_cmd, CS_OWN, NULL }, { "findstack", db_findstack_cmd, 0, NULL }, }; -struct command_table db_cmd_table = LIST_HEAD_INITIALIZER(db_cmd_table); +struct db_command_table db_cmd_table = LIST_HEAD_INITIALIZER(db_cmd_table); -static struct command *db_last_command = NULL; +static struct db_command *db_last_command = NULL; /* * if 'ed' style: 'dot' is set at start of last item printed, @@ -187,13 +187,13 @@ db_skip_to_eol(void) #define CMD_AMBIGUOUS 3 #define CMD_HELP 4 -static void db_cmd_match(char *name, struct command *cmd, - struct command **cmdp, int *resultp); -static void db_cmd_list(struct command_table *table); -static int db_cmd_search(char *name, struct command_table *table, - struct command **cmdp); -static void db_command(struct command **last_cmdp, - struct command_table *cmd_table, int dopager); +static void db_cmd_match(char *name, struct db_command *cmd, + struct db_command **cmdp, int *resultp); +static void db_cmd_list(struct db_command_table *table); +static int db_cmd_search(char *name, struct db_command_table *table, + struct db_command **cmdp); +static void db_command(struct db_command **last_cmdp, + struct db_command_table *cmd_table, int dopager); /* * Initialize the command lists from the static tables. @@ -220,9 +220,9 @@ db_command_init(void) * Register a command. */ void -db_command_register(struct command_table *list, struct command *cmd) +db_command_register(struct db_command_table *list, struct db_command *cmd) { - struct command *c, *last; + struct db_command *c, *last; last = NULL; LIST_FOREACH(c, list, next) { @@ -251,9 +251,9 @@ db_command_register(struct command_table *list, struct command *cmd) * Remove a command previously registered with db_command_register. */ void -db_command_unregister(struct command_table *list, struct command *cmd) +db_command_unregister(struct db_command_table *list, struct db_command *cmd) { - struct command *c; + struct db_command *c; LIST_FOREACH(c, list, next) { if (cmd == c) { @@ -268,7 +268,7 @@ db_command_unregister(struct command_table *list, struct command *cmd) * Helper function to match a single command. */ static void -db_cmd_match(char *name, struct command *cmd, struct command **cmdp, +db_cmd_match(char *name, struct db_command *cmd, struct db_command **cmdp, int *resultp) { char *lp, *rp; @@ -304,10 +304,11 @@ db_cmd_match(char *name, struct command *cmd, struct command **cmdp, * Search for command prefix. */ static int -db_cmd_search(char *name, struct command_table *table, struct command **cmdp) +db_cmd_search(char *name, struct db_command_table *table, + struct db_command **cmdp) { - struct command *cmd; - int result = CMD_NONE; + struct db_command *cmd; + int result = CMD_NONE; LIST_FOREACH(cmd, table, next) { db_cmd_match(name,cmd,cmdp,&result); @@ -325,9 +326,9 @@ db_cmd_search(char *name, struct command_table *table, struct command **cmdp) } static void -db_cmd_list(struct command_table *table) +db_cmd_list(struct db_command_table *table) { - struct command *cmd; + struct db_command *cmd; int have_subcommands; have_subcommands = 0; @@ -351,10 +352,10 @@ db_cmd_list(struct command_table *table) } static void -db_command(struct command **last_cmdp, struct command_table *cmd_table, +db_command(struct db_command **last_cmdp, struct db_command_table *cmd_table, int dopager) { - struct command *cmd = NULL; + struct db_command *cmd = NULL; int t; char modif[TOK_STRING_SIZE]; db_expr_t addr, count; diff --git a/sys/ddb/ddb.h b/sys/ddb/ddb.h index 6218177b3dc2..1ae278965dde 100644 --- a/sys/ddb/ddb.h +++ b/sys/ddb/ddb.h @@ -94,11 +94,11 @@ extern vm_offset_t ksymtab, kstrtab, ksymtab_size, ksymtab_relbase; * - The last one for sub-commands of 'show all'; type 'show all' * without any argument to get a list. */ -struct command; -LIST_HEAD(command_table, command); -extern struct command_table db_cmd_table; -extern struct command_table db_show_table; -extern struct command_table db_show_all_table; +struct db_command; +LIST_HEAD(db_command_table, db_command); +extern struct db_command_table db_cmd_table; +extern struct db_command_table db_show_table; +extern struct db_command_table db_show_all_table; /* * Type signature for a function implementing a ddb command. @@ -109,7 +109,7 @@ typedef void db_cmdfcn_t(db_expr_t addr, bool have_addr, db_expr_t count, /* * Command table entry. */ -struct command { +struct db_command { char * name; /* command name */ db_cmdfcn_t *fcn; /* function to call */ int flag; /* extra info: */ @@ -117,8 +117,8 @@ struct command { #define CS_MORE 0x2 /* standard syntax, but may have other words * at end */ #define CS_SET_DOT 0x100 /* set dot after command */ - struct command_table *more; /* another level of command */ - LIST_ENTRY(command) next; /* next entry in the command table */ + struct db_command_table *more; /* another level of command */ + LIST_ENTRY(db_command) next; /* next entry in the command table */ }; /* @@ -128,7 +128,7 @@ struct command { * the module is loaded. */ #define _DB_SET(_suffix, _name, _func, list, _flag, _more) \ -static struct command __CONCAT(_name,_suffix) = { \ +static struct db_command __CONCAT(_name,_suffix) = { \ .name = __STRING(_name), \ .fcn = _func, \ .flag = _flag, \ @@ -225,8 +225,10 @@ bool db_value_of_name(const char *name, db_expr_t *valuep); bool db_value_of_name_pcpu(const char *name, db_expr_t *valuep); bool db_value_of_name_vnet(const char *name, db_expr_t *valuep); int db_write_bytes(vm_offset_t addr, size_t size, char *data); -void db_command_register(struct command_table *, struct command *); -void db_command_unregister(struct command_table *, struct command *); +void db_command_register(struct db_command_table *, + struct db_command *); +void db_command_unregister(struct db_command_table *, + struct db_command *); int db_fetch_ksymtab(vm_offset_t ksym_start, vm_offset_t ksym_end, vm_offset_t relbase); diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index a4c17cc11505..20d69c06f779 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -12932,7 +12932,7 @@ t4_dump_devlog(struct adapter *sc) } while (i != first && !db_pager_quit); } -static struct command_table db_t4_table = LIST_HEAD_INITIALIZER(db_t4_table); +static struct db_command_table db_t4_table = LIST_HEAD_INITIALIZER(db_t4_table); _DB_SET(_show, t4, NULL, db_show_table, 0, &db_t4_table); DB_FUNC(devlog, db_show_devlog, db_t4_table, CS_OWN, NULL)