601 				   predicate, &trace->traces[i]))  in parse_trace()
606 		if (trace->traces[i].base_arg == KSNOOP_RETURN)  in parse_trace()
619 		 * mode where arg traces are stored on entry and not  in parse_trace()
630 		memcpy(trace->traces, func->args, sizeof(trace->traces));  in parse_trace()
632 			trace->traces[i].base_arg = i;  in parse_trace()
639 static int parse_traces(int argc, char **argv, struct trace **traces)  in parse_traces()  argument
647 		p_err("A maximum of %d traces are supported", MAX_FUNC_TRACES);  in parse_traces()
650 	*traces = calloc(argc, sizeof(struct trace));  in parse_traces()
651 	if (!*traces) {  in parse_traces()
652 		p_err("Could not allocate %d traces", argc);  in parse_traces()
656 		if (parse_trace(argv[i], &((*traces)[i])))  in parse_traces()
661 		(*traces)[i].prev_ip = (*traces)[i-1].func.ip;  in parse_traces()
662 		(*traces)[i-1].next_ip = (*traces)[i].func.ip;  in parse_traces()
669 	struct trace *traces = NULL;  in cmd_info()  local
674 	nr_traces = parse_traces(argc, argv, &traces);  in cmd_info()
679 		struct func *func = &traces[i].func;  in cmd_info()
682 		       value_to_str(traces[i].btf, &func->args[KSNOOP_RETURN],  in cmd_info()
688 			printf("%s", value_to_str(traces[i].btf, &func->args[j],  in cmd_info()
696 	free(traces);  in cmd_info()
717 		struct value *val = &trace->traces[i];  in trace_handler()
783 static int add_traces(struct bpf_map *func_map, struct trace *traces,  in add_traces()  argument
791 		p_err("Could not allocate memory for %d traces", nr_traces);  in add_traces()
796 			memcpy(&map_traces[j], &traces[i],  in add_traces()
800 					  &traces[i].func.ip,  in add_traces()
805 			      traces[i].func.name, strerror(-ret));  in add_traces()
813 static int attach_traces(struct ksnoop_bpf *skel, struct trace *traces,  in attach_traces()  argument
819 		traces[i].links[0] =  in attach_traces()
822 						   traces[i].func.name);  in attach_traces()
823 		if (!traces[i].links[0]) {  in attach_traces()
826 			      traces[i].func.name, strerror(-ret));  in attach_traces()
829 		p_debug("Attached kprobe for '%s'", traces[i].func.name);  in attach_traces()
831 		traces[i].links[1] =  in attach_traces()
834 						   traces[i].func.name);  in attach_traces()
835 		if (!traces[i].links[1]) {  in attach_traces()
838 			      traces[i].func.name, strerror(-ret));  in attach_traces()
841 		p_debug("Attached kretprobe for '%s'", traces[i].func.name);  in attach_traces()
852 	struct trace *traces = NULL;  in cmd_trace()  local
854 	nr_traces = parse_traces(argc, argv, &traces);  in cmd_trace()
876 	if (add_traces(func_map, traces, nr_traces)) {  in cmd_trace()
877 		p_err("Could not add traces to '%s'", "ksnoop_func_map");  in cmd_trace()
881 	if (attach_traces(skel, traces, nr_traces)) {  in cmd_trace()
882 		p_err("Could not attach %d traces", nr_traces);  in cmd_trace()
914 		bpf_link__destroy(traces[i].links[0]);  in cmd_trace()
915 		bpf_link__destroy(traces[i].links[1]);  in cmd_trace()
917 	free(traces);  in cmd_trace()