kernel/debug/debug_commands.cpp

36 	debugger_command*	command;
92 			// invoke command
129 			// invoke command
176 	parameters->result = parameters->command->func(parameters->argc,
190 	// set last command argument
195 	// invoke command
199 	int result = invoke_debugger_command(segment.command, segment.argc,
222 next_debugger_command(debugger_command* command, const char* prefix,
225 	if (command == NULL)
226 		command = sCommands;
228 		command = command->next;
230 	while (command != NULL && strncmp(prefix, command->name, prefixLen) != 0)
231 		command = command->next;
233 	return command;
240 	debugger_command *command;
244 	// search command by full name
246 	for (command = sCommands; command != NULL; command = command->next) {
247 		if (strcmp(name, command->name) == 0)
248 			return command;
255 		command = next_debugger_command(NULL, name, length);
256 		if (command != NULL) {
257 			if (next_debugger_command(command, name, length) == NULL)
258 				return command;
268 /*!	Returns whether or not a debugger command is currently being invoked.
278 	It sets a fault handler before invoking the command, so that an invalid
284 invoke_debugger_command(struct debugger_command *command, int argc, char** argv)
287 	// If we know the command's usage text, intercept "--help" invocations
290 			&& command->usage != NULL) {
291 		kprintf_unfiltered("usage: %s ", command->name);
292 		kputs_unfiltered(command->usage);
296 	// replace argv[0] with the actual command name
297 	argv[0] = (char *)command->name;
300 		// Will automatically clean up all allocations the command leaves over.
302 	// Invoking the command directly might be useful when debugging debugger
305 		return command->func(argc, argv);
310 	parameters.command = command;
337 			// command aborted (no page fault)
346 /*!	Aborts the currently executed debugger command (in fact the complete pipe),
347 	unless direct command invocation has been set. If successful, the function
381 			if ((segment.command->flags & B_KDEBUG_PIPE_FINAL_RERUN) != 0) {
429 		debugger_command** command = &sCommands;
431 			debugger_command* nextCommand = (*command)->next;
433 				stopCommand = *command;
437 			if (strcmp((*command)->name, nextCommand->name) > 0) {
438 				(*command)->next = nextCommand->next;
439 				nextCommand->next = *command;
440 				*command = nextCommand;
443 			command = &(*command)->next;
481 	// get the old command
483 	debugger_command* command = find_debugger_command(oldName, false,
485 	if (command == NULL)
488 	// register new command
489 	return add_debugger_command_etc(newName, command->func,
490 		description != NULL ? description : command->description,
491 		command->usage, command->flags);
498 	// get the command
500 	debugger_command* command = find_debugger_command(commandName, true,
502 	if (command == NULL)
506 	// command with "--help"
507 	if (command->usage != NULL) {
508 		kprintf_unfiltered("usage: %s ", command->name);
509 		kputs_unfiltered(command->usage);
512 		invoke_debugger_command(command, 2, (char**)args);