* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
Jim_Obj *output;
};
+static int unregister_command(struct command_context *context,
+ struct command *parent, const char *name);
+static char *command_name(struct command *c, char delim);
+
static void tcl_output(void *privData, const char *file, unsigned line,
const char *function, const char *string)
{
if (return_retval != NULL)
*return_retval = retval;
- return (retval == ERROR_OK) ? JIM_OK : JIM_ERR;
+ return (retval == ERROR_OK) ? JIM_OK : retval;
}
extern struct command_context *global_cmd_ctx;
/* dump a single line to the log for the command.
* Do nothing in case we are not at debug level 3 */
-void script_debug(Jim_Interp *interp, const char *name,
- unsigned argc, Jim_Obj * const *argv)
+void script_debug(Jim_Interp *interp, unsigned int argc, Jim_Obj * const *argv)
{
if (debug_level < LOG_LVL_DEBUG)
return;
- char *dbg = alloc_printf("command - %s", name);
+ char *dbg = alloc_printf("command -");
for (unsigned i = 0; i < argc; i++) {
int len;
const char *w = Jim_GetString(argv[i], &len);
}
static int script_command_run(Jim_Interp *interp,
- int argc, Jim_Obj * const *argv, struct command *c, bool capture)
+ int argc, Jim_Obj * const *argv, struct command *c)
{
target_call_timer_callbacks_now();
LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
if (NULL == words)
return JIM_ERR;
- struct log_capture_state *state = NULL;
- if (capture)
- state = command_log_capture_start(interp);
-
struct command_context *cmd_ctx = current_command_context(interp);
int retval = run_command(cmd_ctx, c, (const char **)words, nwords);
- command_log_capture_finish(state);
-
script_command_args_free(words, nwords);
return command_retval_set(interp, retval);
}
struct command *c = interp->cmdPrivData;
assert(c);
- script_debug(interp, c->name, argc, argv);
- return script_command_run(interp, argc, argv, c, true);
+ script_debug(interp, argc, argv);
+ return script_command_run(interp, argc, argv, c);
}
static struct command *command_root(struct command *c)
{
return command_find(cmd_ctx->commands, name);
}
-struct command *command_find_in_parent(struct command *parent,
- const char *name)
-{
- return command_find(parent->children, name);
-}
/**
* Add the command into the linked list, sorted by name.
* arguments.
*/
if ((cr->jim_handler == NULL) && (cr->usage == NULL)) {
- LOG_DEBUG("BUG: command '%s%s%s' does not have the "
+ LOG_ERROR("BUG: command '%s%s%s' does not have the "
"'.usage' field filled out",
parent && parent->name ? parent->name : "",
parent && parent->name ? " " : "",
c->parent = parent;
c->handler = cr->handler;
c->jim_handler = cr->jim_handler;
- c->jim_handler_data = cr->jim_handler_data;
c->mode = cr->mode;
command_add_child(command_list_for_parent(cmd_ctx, parent), c);
struct command *c)
{
Jim_Interp *interp = cmd_ctx->interp;
- char *ocd_name = alloc_printf("ocd_%s", c->name);
- if (NULL == ocd_name)
- return JIM_ERR;
- LOG_DEBUG("registering '%s'...", ocd_name);
+ LOG_DEBUG("registering '%s'...", c->name);
Jim_CmdProc *func = c->handler ? &script_command : &command_unknown;
- int retval = Jim_CreateCommand(interp, ocd_name, func, c, NULL);
- free(ocd_name);
- if (JIM_OK != retval)
- return retval;
-
- /* we now need to add an overrideable proc */
- char *override_name = alloc_printf(
- "proc %s {args} {eval ocd_bouncer %s $args}",
- c->name, c->name);
- if (NULL == override_name)
- return JIM_ERR;
-
- retval = Jim_Eval_Named(interp, override_name, 0, 0);
- free(override_name);
+ int retval = Jim_CreateCommand(interp, c->name, func, c, NULL);
return retval;
}
-struct command *register_command(struct command_context *context,
+static struct command *register_command(struct command_context *context,
struct command *parent, const struct command_registration *cr)
{
if (!context || !cr->name)
if (NULL == c)
return NULL;
- int retval = ERROR_OK;
+ int retval = JIM_OK;
if (NULL != cr->jim_handler && NULL == parent) {
retval = Jim_CreateCommand(context->interp, cr->name,
- cr->jim_handler, cr->jim_handler_data, NULL);
+ cr->jim_handler, NULL, NULL);
} else if (NULL != cr->handler || NULL != parent)
retval = register_command_handler(context, command_root(c));
- if (ERROR_OK != retval) {
+ if (retval != JIM_OK) {
unregister_command(context, parent, name);
c = NULL;
}
return ERROR_OK;
}
-int unregister_command(struct command_context *context,
+static int unregister_command(struct command_context *context,
struct command *parent, const char *name)
{
if ((!context) || (!name))
context->output_handler(context, data);
}
-void command_print_sameline(struct command_context *context, const char *format, ...)
+void command_print_sameline(struct command_invocation *cmd, const char *format, ...)
{
char *string;
va_start(ap, format);
string = alloc_vprintf(format, ap);
- if (string != NULL) {
+ if (string != NULL && cmd) {
/* we want this collected in the log + we also want to pick it up as a tcl return
* value.
*
* The latter bit isn't precisely neat, but will do for now.
*/
- LOG_USER_N("%s", string);
+ Jim_AppendString(cmd->ctx->interp, cmd->output, string, -1);
/* We already printed it above
* command_output_text(context, string); */
free(string);
va_end(ap);
}
-void command_print(struct command_context *context, const char *format, ...)
+void command_print(struct command_invocation *cmd, const char *format, ...)
{
char *string;
va_start(ap, format);
string = alloc_vprintf(format, ap);
- if (string != NULL) {
+ if (string != NULL && cmd) {
strcat(string, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one
*char longer */
/* we want this collected in the log + we also want to pick it up as a tcl return
*
* The latter bit isn't precisely neat, but will do for now.
*/
- LOG_USER_N("%s", string);
+ Jim_AppendString(cmd->ctx->interp, cmd->output, string, -1);
/* We already printed it above
* command_output_text(context, string); */
free(string);
if (NULL == c->parent) {
/* allocate enough for the name, child names, and '\0' */
name = malloc(len + extra + 1);
+ if (!name) {
+ LOG_ERROR("Out of memory");
+ return NULL;
+ }
strcpy(name, c->name);
} else {
/* parent's extra must include both the space and name */
return name;
}
-char *command_name(struct command *c, char delim)
+static char *command_name(struct command *c, char delim)
{
return __command_name(c, delim, 0);
}
static bool command_can_run(struct command_context *cmd_ctx, struct command *c)
{
- return c->mode == COMMAND_ANY || c->mode == cmd_ctx->mode;
+ if (c->mode == COMMAND_ANY || c->mode == cmd_ctx->mode)
+ return true;
+
+ /* Many commands may be run only before/after 'init' */
+ const char *when;
+ switch (c->mode) {
+ case COMMAND_CONFIG:
+ when = "before";
+ break;
+ case COMMAND_EXEC:
+ when = "after";
+ break;
+ /* handle the impossible with humor; it guarantees a bug report! */
+ default:
+ when = "if Cthulhu is summoned by";
+ break;
+ }
+ char *full_name = command_name(c, ' ');
+ LOG_ERROR("The '%s' command must be used %s 'init'.",
+ full_name ? full_name : c->name, when);
+ free(full_name);
+ return false;
}
static int run_command(struct command_context *context,
struct command *c, const char *words[], unsigned num_words)
{
- if (!command_can_run(context, c)) {
- /* Many commands may be run only before/after 'init' */
- const char *when;
- switch (c->mode) {
- case COMMAND_CONFIG:
- when = "before";
- break;
- case COMMAND_EXEC:
- when = "after";
- break;
- /* handle the impossible with humor; it guarantees a bug report! */
- default:
- when = "if Cthulhu is summoned by";
- break;
- }
- LOG_ERROR("The '%s' command must be used %s 'init'.",
- c->name, when);
+ if (!command_can_run(context, c))
return ERROR_FAIL;
- }
struct command_invocation cmd = {
.ctx = context,
.argc = num_words - 1,
.argv = words + 1,
};
+ /* Black magic of overridden current target:
+ * If the command we are going to handle has a target prefix,
+ * override the current target temporarily for the time
+ * of processing the command.
+ * current_target_override is used also for event handlers
+ * therefore we prevent touching it if command has no prefix.
+ * Previous override is saved and restored back to ensure
+ * correct work when run_command() is re-entered. */
+ struct target *saved_target_override = context->current_target_override;
+ if (c->jim_handler_data)
+ context->current_target_override = c->jim_handler_data;
+
+ cmd.output = Jim_NewEmptyStringObj(context->interp);
+ Jim_IncrRefCount(cmd.output);
+
int retval = c->handler(&cmd);
+
+ if (c->jim_handler_data)
+ context->current_target_override = saved_target_override;
+
if (retval == ERROR_COMMAND_SYNTAX_ERROR) {
/* Print help for command */
char *full_name = command_name(c, ' ');
if (NULL != full_name) {
command_run_linef(context, "usage %s", full_name);
free(full_name);
- } else
- retval = -ENOMEM;
+ }
} else if (retval == ERROR_COMMAND_CLOSE_CONNECTION) {
/* just fall through for a shutdown request */
- } else if (retval != ERROR_OK) {
- /* we do not print out an error message because the command *should*
- * have printed out an error
- */
- LOG_DEBUG("Command failed with error code %d", retval);
+ } else {
+ if (retval != ERROR_OK) {
+ char *full_name = command_name(c, ' ');
+ LOG_DEBUG("Command '%s' failed with error code %d",
+ full_name ? full_name : c->name, retval);
+ free(full_name);
+ }
+ /* Use the command output as the Tcl result */
+ Jim_SetResult(context->interp, cmd.output);
}
+ Jim_DecrRefCount(context->interp, cmd.output);
return retval;
}
* happen when the Jim Tcl interpreter is provided by eCos for
* instance.
*/
+ struct target *saved_target_override = context->current_target_override;
+ context->current_target_override = NULL;
+
Jim_Interp *interp = context->interp;
+ struct command_context *old_context = Jim_GetAssocData(interp, "context");
Jim_DeleteAssocData(interp, "context");
retcode = Jim_SetAssocData(interp, "context", NULL, context);
if (retcode == JIM_OK) {
Jim_DeleteAssocData(interp, "retval");
}
Jim_DeleteAssocData(interp, "context");
+ int inner_retcode = Jim_SetAssocData(interp, "context", NULL, old_context);
+ if (retcode == JIM_OK)
+ retcode = inner_retcode;
}
- if (retcode == JIM_ERR) {
- if (retval != ERROR_COMMAND_CLOSE_CONNECTION) {
- /* We do not print the connection closed error message */
- Jim_MakeErrorMessage(interp);
- LOG_USER("%s", Jim_GetString(Jim_GetResult(interp), NULL));
- }
- if (retval == ERROR_OK) {
- /* It wasn't a low level OpenOCD command that failed */
- return ERROR_FAIL;
- }
- return retval;
- } else if (retcode == JIM_EXIT) {
- /* ignore.
- * exit(Jim_GetExitCode(interp)); */
- } else {
+ context->current_target_override = saved_target_override;
+ if (retcode == JIM_OK) {
const char *result;
int reslen;
result = Jim_GetString(Jim_GetResult(interp), &reslen);
if (reslen > 0) {
- int i;
- char buff[256 + 1];
- for (i = 0; i < reslen; i += 256) {
- int chunk;
- chunk = reslen - i;
- if (chunk > 256)
- chunk = 256;
- strncpy(buff, result + i, chunk);
- buff[chunk] = 0;
- LOG_USER_N("%s", buff);
- }
- LOG_USER_N("\n");
+ command_output_text(context, result);
+ command_output_text(context, "\n");
}
retval = ERROR_OK;
+ } else if (retcode == JIM_EXIT) {
+ /* ignore.
+ * exit(Jim_GetExitCode(interp)); */
+ } else if (retcode == ERROR_COMMAND_CLOSE_CONNECTION) {
+ return retcode;
+ } else {
+ Jim_MakeErrorMessage(interp);
+ /* error is broadcast */
+ LOG_USER("%s", Jim_GetString(Jim_GetResult(interp), NULL));
+
+ if (retval == ERROR_OK) {
+ /* It wasn't a low level OpenOCD command that failed */
+ return ERROR_FAIL;
+ }
+ return retval;
}
+
return retval;
}
if (0 == CMD_ARGC)
return ERROR_COMMAND_SYNTAX_ERROR;
*out = command_find(head, CMD_ARGV[0]);
- if (NULL == *out && strncmp(CMD_ARGV[0], "ocd_", 4) == 0)
- *out = command_find(head, CMD_ARGV[0] + 4);
if (NULL == *out)
return ERROR_COMMAND_SYNTAX_ERROR;
if (--CMD_ARGC == 0)
{
char *cmd_name = command_name(c, ' ');
if (NULL == cmd_name)
- return -ENOMEM;
+ return ERROR_FAIL;
/* If the match string occurs anywhere, we print out
* stuff for this command. */
}
static int command_unknown_find(unsigned argc, Jim_Obj *const *argv,
- struct command *head, struct command **out, bool top_level)
+ struct command *head, struct command **out)
{
if (0 == argc)
return argc;
const char *cmd_name = Jim_GetString(argv[0], NULL);
struct command *c = command_find(head, cmd_name);
- if (NULL == c && top_level && strncmp(cmd_name, "ocd_", 4) == 0)
- c = command_find(head, cmd_name + 4);
if (NULL == c)
return argc;
*out = c;
- return command_unknown_find(--argc, ++argv, (*out)->children, out, false);
+ return command_unknown_find(--argc, ++argv, (*out)->children, out);
}
-static int command_unknown(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+static char *alloc_concatenate_strings(int argc, Jim_Obj * const *argv)
{
- const char *cmd_name = Jim_GetString(argv[0], NULL);
- if (strcmp(cmd_name, "unknown") == 0) {
- if (argc == 1)
- return JIM_OK;
- argc--;
- argv++;
+ char *prev, *all;
+ int i;
+
+ assert(argc >= 1);
+
+ all = strdup(Jim_GetString(argv[0], NULL));
+ if (!all) {
+ LOG_ERROR("Out of memory");
+ return NULL;
+ }
+
+ for (i = 1; i < argc; ++i) {
+ prev = all;
+ all = alloc_printf("%s %s", all, Jim_GetString(argv[i], NULL));
+ free(prev);
+ if (!all) {
+ LOG_ERROR("Out of memory");
+ return NULL;
+ }
+ }
+
+ return all;
+}
+
+static int run_usage(Jim_Interp *interp, int argc_valid, int argc, Jim_Obj * const *argv)
+{
+ struct command_context *cmd_ctx = current_command_context(interp);
+ char *command;
+ int retval;
+
+ assert(argc_valid >= 1);
+ assert(argc >= argc_valid);
+
+ command = alloc_concatenate_strings(argc_valid, argv);
+ if (!command)
+ return JIM_ERR;
+
+ retval = command_run_linef(cmd_ctx, "usage %s", command);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("unable to execute command \"usage %s\"", command);
+ return JIM_ERR;
}
- script_debug(interp, cmd_name, argc, argv);
+
+ if (argc_valid == argc)
+ LOG_ERROR("%s: command requires more arguments", command);
+ else {
+ free(command);
+ command = alloc_concatenate_strings(argc - argc_valid, argv + argc_valid);
+ if (!command)
+ return JIM_ERR;
+ LOG_ERROR("invalid subcommand \"%s\"", command);
+ }
+
+ free(command);
+ return retval;
+}
+
+static int command_unknown(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ script_debug(interp, argc, argv);
struct command_context *cmd_ctx = current_command_context(interp);
struct command *c = cmd_ctx->commands;
- int remaining = command_unknown_find(argc, argv, c, &c, true);
+ int remaining = command_unknown_find(argc, argv, c, &c);
/* if nothing could be consumed, then it's really an unknown command */
if (remaining == argc) {
const char *cmd = Jim_GetString(argv[0], NULL);
return JIM_OK;
}
- bool found = true;
Jim_Obj *const *start;
unsigned count;
if (c->handler || c->jim_handler) {
count = remaining + 1;
start = argv + (argc - remaining - 1);
} else {
- c = command_find(cmd_ctx->commands, "usage");
- if (NULL == c) {
- LOG_ERROR("unknown command, but usage is missing too");
- return JIM_ERR;
- }
count = argc - remaining;
start = argv;
- found = false;
+ run_usage(interp, count, argc, start);
+ return JIM_ERR;
}
/* pass the command through to the intended handler */
if (c->jim_handler) {
+ if (!command_can_run(cmd_ctx, c))
+ return JIM_ERR;
+
interp->cmdPrivData = c->jim_handler_data;
return (*c->jim_handler)(interp, count, start);
}
- return script_command_run(interp, count, start, c, found);
+ return script_command_run(interp, count, start, c);
}
static int jim_command_mode(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
if (argc > 1) {
struct command *c = cmd_ctx->commands;
- int remaining = command_unknown_find(argc - 1, argv + 1, c, &c, true);
+ int remaining = command_unknown_find(argc - 1, argv + 1, c, &c);
/* if nothing could be consumed, then it's an unknown command */
if (remaining == argc - 1) {
Jim_SetResultString(interp, "unknown", -1);
return JIM_OK;
}
-static int jim_command_type(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- if (1 == argc)
- return JIM_ERR;
-
- struct command_context *cmd_ctx = current_command_context(interp);
- struct command *c = cmd_ctx->commands;
- int remaining = command_unknown_find(argc - 1, argv + 1, c, &c, true);
- /* if nothing could be consumed, then it's an unknown command */
- if (remaining == argc - 1) {
- Jim_SetResultString(interp, "unknown", -1);
- return JIM_OK;
- }
-
- if (c->jim_handler)
- Jim_SetResultString(interp, "native", -1);
- else if (c->handler)
- Jim_SetResultString(interp, "simple", -1);
- else
- Jim_SetResultString(interp, "group", -1);
-
- return JIM_OK;
-}
-
int help_add_command(struct command_context *cmd_ctx, struct command *parent,
const char *cmd_name, const char *help_text, const char *usage)
{
.name = cmd_name,
.mode = COMMAND_ANY,
.help = help_text,
- .usage = usage,
+ .usage = usage ? : "",
};
nc = register_command(cmd_ctx, parent, &cr);
if (NULL == nc) {
if (usage) {
bool replaced = false;
if (nc->usage) {
+ if (*nc->usage)
+ replaced = true;
free(nc->usage);
- replaced = true;
}
nc->usage = strdup(usage);
if (replaced)
return retval;
if (!busy) {
- long long then = timeval_ms();
- while (timeval_ms() - then < (long long)duration) {
+ int64_t then = timeval_ms();
+ while (timeval_ms() - then < (int64_t)duration) {
target_call_timer_callbacks_now();
usleep(1000);
}
.mode = COMMAND_ANY,
.jim_handler = jim_command_mode,
.usage = "[command_name ...]",
- .help = "Returns the command modes allowed by a command:"
- "'any', 'config', or 'exec'. If no command is"
- "specified, returns the current command mode. "
+ .help = "Returns the command modes allowed by a command: "
+ "'any', 'config', or 'exec'. If no command is "
+ "specified, returns the current command mode. "
"Returns 'unknown' if an unknown command is given. "
"Command can be multiple tokens.",
},
- {
- .name = "type",
- .mode = COMMAND_ANY,
- .jim_handler = jim_command_type,
- .usage = "command_name [...]",
- .help = "Returns the type of built-in command:"
- "'native', 'simple', 'group', or 'unknown'. "
- "Command can be multiple tokens.",
- },
COMMAND_REGISTRATION_DONE
};
static const struct command_registration command_builtin_handlers[] = {
+ {
+ .name = "ocd_find",
+ .mode = COMMAND_ANY,
+ .jim_handler = jim_find,
+ .help = "find full path to file",
+ .usage = "file",
+ },
+ {
+ .name = "capture",
+ .mode = COMMAND_ANY,
+ .jim_handler = jim_capture,
+ .help = "Capture progress output and return as tcl return value. If the "
+ "progress output was empty, return tcl return value.",
+ .usage = "command",
+ },
{
.name = "echo",
.handler = jim_echo,
.mode = COMMAND_ANY,
.help = "core command group (introspection)",
.chain = command_subcommand_handlers,
+ .usage = "",
},
COMMAND_REGISTRATION_DONE
};
struct command_context *command_init(const char *startup_tcl, Jim_Interp *interp)
{
- struct command_context *context = malloc(sizeof(struct command_context));
+ struct command_context *context = calloc(1, sizeof(struct command_context));
const char *HostOs;
context->mode = COMMAND_EXEC;
- context->commands = NULL;
- context->current_target = 0;
- context->output_handler = NULL;
- context->output_handler_priv = NULL;
/* Create a jim interpreter if we were not handed one */
if (interp == NULL) {
Jim_SetGlobalVariableStr(interp, "ocd_HOSTOS",
Jim_NewStringObj(interp, HostOs, strlen(HostOs)));
- Jim_CreateCommand(interp, "ocd_find", jim_find, NULL, NULL);
- Jim_CreateCommand(interp, "capture", jim_capture, NULL, NULL);
-
register_commands(context, NULL, command_builtin_handlers);
Jim_SetAssocData(interp, "context", NULL, context);
return context;
}
+void command_exit(struct command_context *context)
+{
+ if (!context)
+ return;
+
+ Jim_FreeInterp(context->interp);
+ command_done(context);
+}
+
int command_context_mode(struct command_context *cmd_ctx, enum command_mode mode)
{
if (!cmd_ctx)
return ERROR_COMMAND_ARGUMENT_INVALID; \
} \
char *end; \
+ errno = 0; \
*ul = func(str, &end, 0); \
if (*end) { \
LOG_ERROR("Invalid command argument"); \
DEFINE_PARSE_ULONGLONG(_u16, uint16_t, 0, UINT16_MAX)
DEFINE_PARSE_ULONGLONG(_u8, uint8_t, 0, UINT8_MAX)
+DEFINE_PARSE_ULONGLONG(_target_addr, target_addr_t, 0, TARGET_ADDR_MAX)
+
#define DEFINE_PARSE_LONGLONG(name, type, min, max) \
DEFINE_PARSE_WRAPPER(name, type, min, max, long long, _llong)
DEFINE_PARSE_LONGLONG(_int, int, n < INT_MIN, INT_MAX)
LOG_ERROR("%s: argument '%s' is not valid", CMD_NAME, in);
return ERROR_COMMAND_SYNTAX_ERROR;
}
- /* fall through */
}
+ /* fallthrough */
case 0:
LOG_INFO("%s is %s", label, *out ? "enabled" : "disabled");
break;
Code Review / openocd.git / blobdiff