76 				  struct bpf_scc_callchain *callchain)  in compute_scc_callchain()  argument
80 	memset(callchain, 0, sizeof(*callchain));  in compute_scc_callchain()
85 			callchain->scc = scc;  in compute_scc_callchain()
88 			callchain->callsites[i] = insn_idx;  in compute_scc_callchain()
98 					      struct bpf_scc_callchain *callchain)  in scc_visit_lookup()  argument
100 	struct bpf_scc_info *info = env->scc_info[callchain->scc];  in scc_visit_lookup()
107 		if (memcmp(callchain, &visits[i].callchain, sizeof(*callchain)) == 0)  in scc_visit_lookup()
117 					     struct bpf_scc_callchain *callchain)  in scc_visit_alloc()  argument
124 	scc = callchain->scc;  in scc_visit_alloc()
135 	memcpy(&visit->callchain, callchain, sizeof(*callchain));  in scc_visit_alloc()
140 static char *format_callchain(struct bpf_verifier_env *env, struct bpf_scc_callchain *callchain)  in format_callchain()  argument
146 	for (i = 0; i < ARRAY_SIZE(callchain->callsites); i++) {  in format_callchain()
147 		if (!callchain->callsites[i])  in format_callchain()
150 				  callchain->callsites[i]);  in format_callchain()
152 	delta += snprintf(buf + delta, TMP_STR_BUF_LEN - delta, "%u)", callchain->scc);  in format_callchain()
162 	struct bpf_scc_callchain *callchain = &env->callchain_buf;  in maybe_enter_scc()  local
165 	if (!compute_scc_callchain(env, st, callchain))  in maybe_enter_scc()
167 	visit = scc_visit_lookup(env, callchain);  in maybe_enter_scc()
168 	visit = visit ?: scc_visit_alloc(env, callchain);  in maybe_enter_scc()
174 			verbose(env, "SCC enter %s\n", format_callchain(env, callchain));  in maybe_enter_scc()
187 	struct bpf_scc_callchain *callchain = &env->callchain_buf;  in maybe_exit_scc()  local
190 	if (!compute_scc_callchain(env, st, callchain))  in maybe_exit_scc()
192 	visit = scc_visit_lookup(env, callchain);  in maybe_exit_scc()
208 				     format_callchain(env, callchain));  in maybe_exit_scc()
216 		verbose(env, "SCC exit %s\n", format_callchain(env, callchain));  in maybe_exit_scc()
231 	struct bpf_scc_callchain *callchain = &env->callchain_buf;  in add_scc_backedge()  local
234 	if (!compute_scc_callchain(env, st, callchain)) {  in add_scc_backedge()
239 	visit = scc_visit_lookup(env, callchain);  in add_scc_backedge()
242 			     format_callchain(env, callchain));  in add_scc_backedge()
246 		verbose(env, "SCC backedge %s\n", format_callchain(env, callchain));  in add_scc_backedge()
262 	struct bpf_scc_callchain *callchain = &env->callchain_buf;  in incomplete_read_marks()  local
265 	if (!compute_scc_callchain(env, st, callchain))  in incomplete_read_marks()
267 	visit = scc_visit_lookup(env, callchain);  in incomplete_read_marks()