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kdb: Rename members of struct kdbtab_t

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Remove redundant prefix "cmd_" from name of members in struct kdbtab_t
for better readibility.

Suggested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210712134620.276667-5-sumit.garg@linaro.org
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
This commit is contained in:
Sumit Garg 2021-07-12 19:16:20 +05:30 committed by Daniel Thompson
parent 9a5db530aa
commit e868f0a3c4
5 changed files with 252 additions and 254 deletions
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12
include/linux/kdb.h
View File

@ -68,12 +68,12 @@ typedef int (*kdb_func_t)(int, const char **);
/* The KDB shell command table */ /* The KDB shell command table */
typedef struct _kdbtab { typedef struct _kdbtab {
char *cmd_name; /* Command name */ char *name; /* Command name */
kdb_func_t cmd_func; /* Function to execute command */ kdb_func_t func; /* Function to execute command */
char *cmd_usage; /* Usage String for this command */ char *usage; /* Usage String for this command */
char *cmd_help; /* Help message for this command */ char *help; /* Help message for this command */
short cmd_minlen; /* Minimum legal # cmd chars required */ short minlen; /* Minimum legal # cmd chars required */
kdb_cmdflags_t cmd_flags; /* Command behaviour flags */ kdb_cmdflags_t flags; /* Command behaviour flags */
struct list_head list_node; /* Command list */ struct list_head list_node; /* Command list */
} kdbtab_t; } kdbtab_t;

72
kernel/debug/kdb/kdb_bp.c
View File

@ -523,51 +523,51 @@ static int kdb_ss(int argc, const char **argv)
} }
static kdbtab_t bptab[] = { static kdbtab_t bptab[] = {
{ .cmd_name = "bp", { .name = "bp",
.cmd_func = kdb_bp, .func = kdb_bp,
.cmd_usage = "[<vaddr>]", .usage = "[<vaddr>]",
.cmd_help = "Set/Display breakpoints", .help = "Set/Display breakpoints",
.cmd_flags = KDB_ENABLE_FLOW_CTRL | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_FLOW_CTRL | KDB_REPEAT_NO_ARGS,
}, },
{ .cmd_name = "bl", { .name = "bl",
.cmd_func = kdb_bp, .func = kdb_bp,
.cmd_usage = "[<vaddr>]", .usage = "[<vaddr>]",
.cmd_help = "Display breakpoints", .help = "Display breakpoints",
.cmd_flags = KDB_ENABLE_FLOW_CTRL | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_FLOW_CTRL | KDB_REPEAT_NO_ARGS,
}, },
{ .cmd_name = "bc", { .name = "bc",
.cmd_func = kdb_bc, .func = kdb_bc,
.cmd_usage = "<bpnum>", .usage = "<bpnum>",
.cmd_help = "Clear Breakpoint", .help = "Clear Breakpoint",
.cmd_flags = KDB_ENABLE_FLOW_CTRL, .flags = KDB_ENABLE_FLOW_CTRL,
}, },
{ .cmd_name = "be", { .name = "be",
.cmd_func = kdb_bc, .func = kdb_bc,
.cmd_usage = "<bpnum>", .usage = "<bpnum>",
.cmd_help = "Enable Breakpoint", .help = "Enable Breakpoint",
.cmd_flags = KDB_ENABLE_FLOW_CTRL, .flags = KDB_ENABLE_FLOW_CTRL,
}, },
{ .cmd_name = "bd", { .name = "bd",
.cmd_func = kdb_bc, .func = kdb_bc,
.cmd_usage = "<bpnum>", .usage = "<bpnum>",
.cmd_help = "Disable Breakpoint", .help = "Disable Breakpoint",
.cmd_flags = KDB_ENABLE_FLOW_CTRL, .flags = KDB_ENABLE_FLOW_CTRL,
}, },
{ .cmd_name = "ss", { .name = "ss",
.cmd_func = kdb_ss, .func = kdb_ss,
.cmd_usage = "", .usage = "",
.cmd_help = "Single Step", .help = "Single Step",
.cmd_minlen = 1, .minlen = 1,
.cmd_flags = KDB_ENABLE_FLOW_CTRL | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_FLOW_CTRL | KDB_REPEAT_NO_ARGS,
}, },
}; };
static kdbtab_t bphcmd = { static kdbtab_t bphcmd = {
.cmd_name = "bph", .name = "bph",
.cmd_func = kdb_bp, .func = kdb_bp,
.cmd_usage = "[<vaddr>]", .usage = "[<vaddr>]",
.cmd_help = "[datar [length]|dataw [length]] Set hw brk", .help = "[datar [length]|dataw [length]] Set hw brk",
.cmd_flags = KDB_ENABLE_FLOW_CTRL | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_FLOW_CTRL | KDB_REPEAT_NO_ARGS,
}; };
/* Initialize the breakpoint table and register breakpoint commands. */ /* Initialize the breakpoint table and register breakpoint commands. */

404
kernel/debug/kdb/kdb_main.c
View File

@ -711,10 +711,9 @@ static int kdb_defcmd(int argc, const char **argv)
struct kdb_macro_statement *kms; struct kdb_macro_statement *kms;
list_for_each_entry(kp, &kdb_cmds_head, list_node) { list_for_each_entry(kp, &kdb_cmds_head, list_node) {
if (kp->cmd_func == kdb_exec_defcmd) { if (kp->func == kdb_exec_defcmd) {
kdb_printf("defcmd %s \"%s\" \"%s\"\n", kdb_printf("defcmd %s \"%s\" \"%s\"\n",
kp->cmd_name, kp->cmd_usage, kp->name, kp->usage, kp->help);
kp->cmd_help);
kmp = container_of(kp, struct kdb_macro, cmd); kmp = container_of(kp, struct kdb_macro, cmd);
list_for_each_entry(kms, &kmp->statements, list_for_each_entry(kms, &kmp->statements,
list_node) list_node)
@ -735,34 +734,34 @@ static int kdb_defcmd(int argc, const char **argv)
goto fail_defcmd; goto fail_defcmd;
mp = &kdb_macro->cmd; mp = &kdb_macro->cmd;
mp->cmd_func = kdb_exec_defcmd; mp->func = kdb_exec_defcmd;
mp->cmd_minlen = 0; mp->minlen = 0;
mp->cmd_flags = KDB_ENABLE_ALWAYS_SAFE; mp->flags = KDB_ENABLE_ALWAYS_SAFE;
mp->cmd_name = kdb_strdup(argv[1], GFP_KDB); mp->name = kdb_strdup(argv[1], GFP_KDB);
if (!mp->cmd_name) if (!mp->name)
goto fail_name; goto fail_name;
mp->cmd_usage = kdb_strdup(argv[2], GFP_KDB); mp->usage = kdb_strdup(argv[2], GFP_KDB);
if (!mp->cmd_usage) if (!mp->usage)
goto fail_usage; goto fail_usage;
mp->cmd_help = kdb_strdup(argv[3], GFP_KDB); mp->help = kdb_strdup(argv[3], GFP_KDB);
if (!mp->cmd_help) if (!mp->help)
goto fail_help; goto fail_help;
if (mp->cmd_usage[0] == '"') { if (mp->usage[0] == '"') {
strcpy(mp->cmd_usage, argv[2]+1); strcpy(mp->usage, argv[2]+1);
mp->cmd_usage[strlen(mp->cmd_usage)-1] = '\0'; mp->usage[strlen(mp->usage)-1] = '\0';
} }
if (mp->cmd_help[0] == '"') { if (mp->help[0] == '"') {
strcpy(mp->cmd_help, argv[3]+1); strcpy(mp->help, argv[3]+1);
mp->cmd_help[strlen(mp->cmd_help)-1] = '\0'; mp->help[strlen(mp->help)-1] = '\0';
} }
INIT_LIST_HEAD(&kdb_macro->statements); INIT_LIST_HEAD(&kdb_macro->statements);
defcmd_in_progress = true; defcmd_in_progress = true;
return 0; return 0;
fail_help: fail_help:
kfree(mp->cmd_usage); kfree(mp->usage);
fail_usage: fail_usage:
kfree(mp->cmd_name); kfree(mp->name);
fail_name: fail_name:
kfree(kdb_macro); kfree(kdb_macro);
fail_defcmd: fail_defcmd:
@ -790,7 +789,7 @@ static int kdb_exec_defcmd(int argc, const char **argv)
return KDB_ARGCOUNT; return KDB_ARGCOUNT;
list_for_each_entry(kp, &kdb_cmds_head, list_node) { list_for_each_entry(kp, &kdb_cmds_head, list_node) {
if (strcmp(kp->cmd_name, argv[0]) == 0) if (strcmp(kp->name, argv[0]) == 0)
break; break;
} }
if (list_entry_is_head(kp, &kdb_cmds_head, list_node)) { if (list_entry_is_head(kp, &kdb_cmds_head, list_node)) {
@ -804,7 +803,7 @@ static int kdb_exec_defcmd(int argc, const char **argv)
* Recursive use of kdb_parse, do not use argv after this point. * Recursive use of kdb_parse, do not use argv after this point.
*/ */
argv = NULL; argv = NULL;
kdb_printf("[%s]kdb> %s\n", kmp->cmd.cmd_name, kms->statement); kdb_printf("[%s]kdb> %s\n", kmp->cmd.name, kms->statement);
ret = kdb_parse(kms->statement); ret = kdb_parse(kms->statement);
if (ret) if (ret)
return ret; return ret;
@ -1016,11 +1015,11 @@ int kdb_parse(const char *cmdstr)
* If this command is allowed to be abbreviated, * If this command is allowed to be abbreviated,
* check to see if this is it. * check to see if this is it.
*/ */
if (tp->cmd_minlen && (strlen(argv[0]) <= tp->cmd_minlen) && if (tp->minlen && (strlen(argv[0]) <= tp->minlen) &&
(strncmp(argv[0], tp->cmd_name, tp->cmd_minlen) == 0)) (strncmp(argv[0], tp->name, tp->minlen) == 0))
break; break;
if (strcmp(argv[0], tp->cmd_name) == 0) if (strcmp(argv[0], tp->name) == 0)
break; break;
} }
@ -1031,8 +1030,7 @@ int kdb_parse(const char *cmdstr)
*/ */
if (list_entry_is_head(tp, &kdb_cmds_head, list_node)) { if (list_entry_is_head(tp, &kdb_cmds_head, list_node)) {
list_for_each_entry(tp, &kdb_cmds_head, list_node) { list_for_each_entry(tp, &kdb_cmds_head, list_node) {
if (strncmp(argv[0], tp->cmd_name, if (strncmp(argv[0], tp->name, strlen(tp->name)) == 0)
strlen(tp->cmd_name)) == 0)
break; break;
} }
} }
@ -1040,19 +1038,19 @@ int kdb_parse(const char *cmdstr)
if (!list_entry_is_head(tp, &kdb_cmds_head, list_node)) { if (!list_entry_is_head(tp, &kdb_cmds_head, list_node)) {
int result; int result;
if (!kdb_check_flags(tp->cmd_flags, kdb_cmd_enabled, argc <= 1)) if (!kdb_check_flags(tp->flags, kdb_cmd_enabled, argc <= 1))
return KDB_NOPERM; return KDB_NOPERM;
KDB_STATE_SET(CMD); KDB_STATE_SET(CMD);
result = (*tp->cmd_func)(argc-1, (const char **)argv); result = (*tp->func)(argc-1, (const char **)argv);
if (result && ignore_errors && result > KDB_CMD_GO) if (result && ignore_errors && result > KDB_CMD_GO)
result = 0; result = 0;
KDB_STATE_CLEAR(CMD); KDB_STATE_CLEAR(CMD);
if (tp->cmd_flags & KDB_REPEAT_WITH_ARGS) if (tp->flags & KDB_REPEAT_WITH_ARGS)
return result; return result;
argc = tp->cmd_flags & KDB_REPEAT_NO_ARGS ? 1 : 0; argc = tp->flags & KDB_REPEAT_NO_ARGS ? 1 : 0;
if (argv[argc]) if (argv[argc])
*(argv[argc]) = '\0'; *(argv[argc]) = '\0';
return result; return result;
@ -2419,12 +2417,12 @@ static int kdb_help(int argc, const char **argv)
char *space = ""; char *space = "";
if (KDB_FLAG(CMD_INTERRUPT)) if (KDB_FLAG(CMD_INTERRUPT))
return 0; return 0;
if (!kdb_check_flags(kt->cmd_flags, kdb_cmd_enabled, true)) if (!kdb_check_flags(kt->flags, kdb_cmd_enabled, true))
continue; continue;
if (strlen(kt->cmd_usage) > 20) if (strlen(kt->usage) > 20)
space = "\n "; space = "\n ";
kdb_printf("%-15.15s %-20s%s%s\n", kt->cmd_name, kdb_printf("%-15.15s %-20s%s%s\n", kt->name,
kt->cmd_usage, space, kt->cmd_help); kt->usage, space, kt->help);
} }
return 0; return 0;
} }
@ -2633,9 +2631,9 @@ int kdb_register(kdbtab_t *cmd)
kdbtab_t *kp; kdbtab_t *kp;
list_for_each_entry(kp, &kdb_cmds_head, list_node) { list_for_each_entry(kp, &kdb_cmds_head, list_node) {
if (strcmp(kp->cmd_name, cmd->cmd_name) == 0) { if (strcmp(kp->name, cmd->name) == 0) {
kdb_printf("Duplicate kdb cmd: %s, func %p help %s\n", kdb_printf("Duplicate kdb cmd: %s, func %p help %s\n",
cmd->cmd_name, cmd->cmd_func, cmd->cmd_help); cmd->name, cmd->func, cmd->help);
return 1; return 1;
} }
} }
@ -2672,218 +2670,218 @@ void kdb_unregister(kdbtab_t *cmd)
EXPORT_SYMBOL_GPL(kdb_unregister); EXPORT_SYMBOL_GPL(kdb_unregister);
static kdbtab_t maintab[] = { static kdbtab_t maintab[] = {
{ .cmd_name = "md", { .name = "md",
.cmd_func = kdb_md, .func = kdb_md,
.cmd_usage = "<vaddr>", .usage = "<vaddr>",
.cmd_help = "Display Memory Contents, also mdWcN, e.g. md8c1", .help = "Display Memory Contents, also mdWcN, e.g. md8c1",
.cmd_minlen = 1, .minlen = 1,
.cmd_flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
}, },
{ .cmd_name = "mdr", { .name = "mdr",
.cmd_func = kdb_md, .func = kdb_md,
.cmd_usage = "<vaddr> <bytes>", .usage = "<vaddr> <bytes>",
.cmd_help = "Display Raw Memory", .help = "Display Raw Memory",
.cmd_flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
}, },
{ .cmd_name = "mdp", { .name = "mdp",
.cmd_func = kdb_md, .func = kdb_md,
.cmd_usage = "<paddr> <bytes>", .usage = "<paddr> <bytes>",
.cmd_help = "Display Physical Memory", .help = "Display Physical Memory",
.cmd_flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
}, },
{ .cmd_name = "mds", { .name = "mds",
.cmd_func = kdb_md, .func = kdb_md,
.cmd_usage = "<vaddr>", .usage = "<vaddr>",
.cmd_help = "Display Memory Symbolically", .help = "Display Memory Symbolically",
.cmd_flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_MEM_READ | KDB_REPEAT_NO_ARGS,
}, },
{ .cmd_name = "mm", { .name = "mm",
.cmd_func = kdb_mm, .func = kdb_mm,
.cmd_usage = "<vaddr> <contents>", .usage = "<vaddr> <contents>",
.cmd_help = "Modify Memory Contents", .help = "Modify Memory Contents",
.cmd_flags = KDB_ENABLE_MEM_WRITE | KDB_REPEAT_NO_ARGS, .flags = KDB_ENABLE_MEM_WRITE | KDB_REPEAT_NO_ARGS,
}, },
{ .cmd_name = "go", { .name = "go",
.cmd_func = kdb_go, .func = kdb_go,
.cmd_usage = "[<vaddr>]", .usage = "[<vaddr>]",
.cmd_help = "Continue Execution", .help = "Continue Execution",
.cmd_minlen = 1, .minlen = 1,
.cmd_flags = KDB_ENABLE_REG_WRITE | .flags = KDB_ENABLE_REG_WRITE |
KDB_ENABLE_ALWAYS_SAFE_NO_ARGS, KDB_ENABLE_ALWAYS_SAFE_NO_ARGS,
}, },
{ .cmd_name = "rd", { .name = "rd",
.cmd_func = kdb_rd, .func = kdb_rd,
.cmd_usage = "", .usage = "",
.cmd_help = "Display Registers", .help = "Display Registers",
.cmd_flags = KDB_ENABLE_REG_READ, .flags = KDB_ENABLE_REG_READ,
}, },
{ .cmd_name = "rm", { .name = "rm",
.cmd_func = kdb_rm, .func = kdb_rm,
.cmd_usage = "<reg> <contents>", .usage = "<reg> <contents>",
.cmd_help = "Modify Registers", .help = "Modify Registers",
.cmd_flags = KDB_ENABLE_REG_WRITE, .flags = KDB_ENABLE_REG_WRITE,
}, },
{ .cmd_name = "ef", { .name = "ef",
.cmd_func = kdb_ef, .func = kdb_ef,
.cmd_usage = "<vaddr>", .usage = "<vaddr>",
.cmd_help = "Display exception frame", .help = "Display exception frame",
.cmd_flags = KDB_ENABLE_MEM_READ, .flags = KDB_ENABLE_MEM_READ,
}, },
{ .cmd_name = "bt", { .name = "bt",
.cmd_func = kdb_bt, .func = kdb_bt,
.cmd_usage = "[<vaddr>]", .usage = "[<vaddr>]",
.cmd_help = "Stack traceback", .help = "Stack traceback",
.cmd_minlen = 1, .minlen = 1,
.cmd_flags = KDB_ENABLE_MEM_READ | KDB_ENABLE_INSPECT_NO_ARGS, .flags = KDB_ENABLE_MEM_READ | KDB_ENABLE_INSPECT_NO_ARGS,
}, },
{ .cmd_name = "btp", { .name = "btp",
.cmd_func = kdb_bt, .func = kdb_bt,
.cmd_usage = "<pid>", .usage = "<pid>",
.cmd_help = "Display stack for process <pid>", .help = "Display stack for process <pid>",
.cmd_flags = KDB_ENABLE_INSPECT, .flags = KDB_ENABLE_INSPECT,
}, },
{ .cmd_name = "bta", { .name = "bta",
.cmd_func = kdb_bt, .func = kdb_bt,
.cmd_usage = "[D|R|S|T|C|Z|E|U|I|M|A]", .usage = "[D|R|S|T|C|Z|E|U|I|M|A]",
.cmd_help = "Backtrace all processes matching state flag", .help = "Backtrace all processes matching state flag",
.cmd_flags = KDB_ENABLE_INSPECT, .flags = KDB_ENABLE_INSPECT,
}, },
{ .cmd_name = "btc", { .name = "btc",
.cmd_func = kdb_bt, .func = kdb_bt,
.cmd_usage = "", .usage = "",
.cmd_help = "Backtrace current process on each cpu", .help = "Backtrace current process on each cpu",
.cmd_flags = KDB_ENABLE_INSPECT, .flags = KDB_ENABLE_INSPECT,
}, },
{ .cmd_name = "btt", { .name = "btt",
.cmd_func = kdb_bt, .func = kdb_bt,
.cmd_usage = "<vaddr>", .usage = "<vaddr>",
.cmd_help = "Backtrace process given its struct task address", .help = "Backtrace process given its struct task address",
.cmd_flags = KDB_ENABLE_MEM_READ | KDB_ENABLE_INSPECT_NO_ARGS, .flags = KDB_ENABLE_MEM_READ | KDB_ENABLE_INSPECT_NO_ARGS,
}, },
{ .cmd_name = "env", { .name = "env",
.cmd_func = kdb_env, .func = kdb_env,
.cmd_usage = "", .usage = "",
.cmd_help = "Show environment variables", .help = "Show environment variables",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
{ .cmd_name = "set", { .name = "set",
.cmd_func = kdb_set, .func = kdb_set,
.cmd_usage = "", .usage = "",
.cmd_help = "Set environment variables", .help = "Set environment variables",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
{ .cmd_name = "help", { .name = "help",
.cmd_func = kdb_help, .func = kdb_help,
.cmd_usage = "", .usage = "",
.cmd_help = "Display Help Message", .help = "Display Help Message",
.cmd_minlen = 1, .minlen = 1,
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
{ .cmd_name = "?", { .name = "?",
.cmd_func = kdb_help, .func = kdb_help,
.cmd_usage = "", .usage = "",
.cmd_help = "Display Help Message", .help = "Display Help Message",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
{ .cmd_name = "cpu", { .name = "cpu",
.cmd_func = kdb_cpu, .func = kdb_cpu,
.cmd_usage = "<cpunum>", .usage = "<cpunum>",
.cmd_help = "Switch to new cpu", .help = "Switch to new cpu",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE_NO_ARGS, .flags = KDB_ENABLE_ALWAYS_SAFE_NO_ARGS,
}, },
{ .cmd_name = "kgdb", { .name = "kgdb",
.cmd_func = kdb_kgdb, .func = kdb_kgdb,
.cmd_usage = "", .usage = "",
.cmd_help = "Enter kgdb mode", .help = "Enter kgdb mode",
.cmd_flags = 0, .flags = 0,
}, },
{ .cmd_name = "ps", { .name = "ps",
.cmd_func = kdb_ps, .func = kdb_ps,
.cmd_usage = "[<flags>|A]", .usage = "[<flags>|A]",
.cmd_help = "Display active task list", .help = "Display active task list",
.cmd_flags = KDB_ENABLE_INSPECT, .flags = KDB_ENABLE_INSPECT,
}, },
{ .cmd_name = "pid", { .name = "pid",
.cmd_func = kdb_pid, .func = kdb_pid,
.cmd_usage = "<pidnum>", .usage = "<pidnum>",
.cmd_help = "Switch to another task", .help = "Switch to another task",
.cmd_flags = KDB_ENABLE_INSPECT, .flags = KDB_ENABLE_INSPECT,
}, },
{ .cmd_name = "reboot", { .name = "reboot",
.cmd_func = kdb_reboot, .func = kdb_reboot,
.cmd_usage = "", .usage = "",
.cmd_help = "Reboot the machine immediately", .help = "Reboot the machine immediately",
.cmd_flags = KDB_ENABLE_REBOOT, .flags = KDB_ENABLE_REBOOT,
}, },
#if defined(CONFIG_MODULES) #if defined(CONFIG_MODULES)
{ .cmd_name = "lsmod", { .name = "lsmod",
.cmd_func = kdb_lsmod, .func = kdb_lsmod,
.cmd_usage = "", .usage = "",
.cmd_help = "List loaded kernel modules", .help = "List loaded kernel modules",
.cmd_flags = KDB_ENABLE_INSPECT, .flags = KDB_ENABLE_INSPECT,
}, },
#endif #endif
#if defined(CONFIG_MAGIC_SYSRQ) #if defined(CONFIG_MAGIC_SYSRQ)
{ .cmd_name = "sr", { .name = "sr",
.cmd_func = kdb_sr, .func = kdb_sr,
.cmd_usage = "<key>", .usage = "<key>",
.cmd_help = "Magic SysRq key", .help = "Magic SysRq key",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
#endif #endif
#if defined(CONFIG_PRINTK) #if defined(CONFIG_PRINTK)
{ .cmd_name = "dmesg", { .name = "dmesg",
.cmd_func = kdb_dmesg, .func = kdb_dmesg,
.cmd_usage = "[lines]", .usage = "[lines]",
.cmd_help = "Display syslog buffer", .help = "Display syslog buffer",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
#endif #endif
{ .cmd_name = "defcmd", { .name = "defcmd",
.cmd_func = kdb_defcmd, .func = kdb_defcmd,
.cmd_usage = "name \"usage\" \"help\"", .usage = "name \"usage\" \"help\"",
.cmd_help = "Define a set of commands, down to endefcmd", .help = "Define a set of commands, down to endefcmd",
/* /*
* Macros are always safe because when executed each * Macros are always safe because when executed each
* internal command re-enters kdb_parse() and is safety * internal command re-enters kdb_parse() and is safety
* checked individually. * checked individually.
*/ */
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
{ .cmd_name = "kill", { .name = "kill",
.cmd_func = kdb_kill, .func = kdb_kill,
.cmd_usage = "<-signal> <pid>", .usage = "<-signal> <pid>",
.cmd_help = "Send a signal to a process", .help = "Send a signal to a process",
.cmd_flags = KDB_ENABLE_SIGNAL, .flags = KDB_ENABLE_SIGNAL,
}, },
{ .cmd_name = "summary", { .name = "summary",
.cmd_func = kdb_summary, .func = kdb_summary,
.cmd_usage = "", .usage = "",
.cmd_help = "Summarize the system", .help = "Summarize the system",
.cmd_minlen = 4, .minlen = 4,
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
{ .cmd_name = "per_cpu", { .name = "per_cpu",
.cmd_func = kdb_per_cpu, .func = kdb_per_cpu,
.cmd_usage = "<sym> [<bytes>] [<cpu>]", .usage = "<sym> [<bytes>] [<cpu>]",
.cmd_help = "Display per_cpu variables", .help = "Display per_cpu variables",
.cmd_minlen = 3, .minlen = 3,
.cmd_flags = KDB_ENABLE_MEM_READ, .flags = KDB_ENABLE_MEM_READ,
}, },
{ .cmd_name = "grephelp", { .name = "grephelp",
.cmd_func = kdb_grep_help, .func = kdb_grep_help,
.cmd_usage = "", .usage = "",
.cmd_help = "Display help on | grep", .help = "Display help on | grep",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}, },
}; };
static kdbtab_t nmicmd = { static kdbtab_t nmicmd = {
.cmd_name = "disable_nmi", .name = "disable_nmi",
.cmd_func = kdb_disable_nmi, .func = kdb_disable_nmi,
.cmd_usage = "", .usage = "",
.cmd_help = "Disable NMI entry to KDB", .help = "Disable NMI entry to KDB",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}; };
/* Initialize the kdb command table. */ /* Initialize the kdb command table. */

10
kernel/trace/trace_kdb.c
View File

@ -148,11 +148,11 @@ static int kdb_ftdump(int argc, const char **argv)
} }
static kdbtab_t ftdump_cmd = { static kdbtab_t ftdump_cmd = {
.cmd_name = "ftdump", .name = "ftdump",
.cmd_func = kdb_ftdump, .func = kdb_ftdump,
.cmd_usage = "[skip_#entries] [cpu]", .usage = "[skip_#entries] [cpu]",
.cmd_help = "Dump ftrace log; -skip dumps last #entries", .help = "Dump ftrace log; -skip dumps last #entries",
.cmd_flags = KDB_ENABLE_ALWAYS_SAFE, .flags = KDB_ENABLE_ALWAYS_SAFE,
}; };
static __init int kdb_ftrace_register(void) static __init int kdb_ftrace_register(void)

8
samples/kdb/kdb_hello.c
View File

@ -29,10 +29,10 @@ static int kdb_hello_cmd(int argc, const char **argv)
} }
static kdbtab_t hello_cmd = { static kdbtab_t hello_cmd = {
.cmd_name = "hello", .name = "hello",
.cmd_func = kdb_hello_cmd, .func = kdb_hello_cmd,
.cmd_usage = "[string]", .usage = "[string]",
.cmd_help = "Say Hello World or Hello [string]", .help = "Say Hello World or Hello [string]",
}; };
static int __init kdb_hello_cmd_init(void) static int __init kdb_hello_cmd_init(void)