SEC_DEF("socket", SOCKET_FILTER, 0, SEC_NONE | SEC_SLOPPY_PFX),
SEC_DEF("sk_reuseport/migrate", SK_REUSEPORT, BPF_SK_REUSEPORT_SELECT_OR_MIGRATE, SEC_ATTACHABLE | SEC_SLOPPY_PFX),
SEC_DEF("sk_reuseport", SK_REUSEPORT, BPF_SK_REUSEPORT_SELECT, SEC_ATTACHABLE | SEC_SLOPPY_PFX),
- SEC_DEF("kprobe/", KPROBE, 0, SEC_NONE, attach_kprobe),
+ SEC_DEF("kprobe+", KPROBE, 0, SEC_NONE, attach_kprobe),
SEC_DEF("uprobe+", KPROBE, 0, SEC_NONE, attach_uprobe),
- SEC_DEF("kretprobe/", KPROBE, 0, SEC_NONE, attach_kprobe),
+ SEC_DEF("kretprobe+", KPROBE, 0, SEC_NONE, attach_kprobe),
SEC_DEF("uretprobe+", KPROBE, 0, SEC_NONE, attach_uprobe),
- SEC_DEF("kprobe.multi/", KPROBE, BPF_TRACE_KPROBE_MULTI, SEC_NONE, attach_kprobe_multi),
- SEC_DEF("kretprobe.multi/", KPROBE, BPF_TRACE_KPROBE_MULTI, SEC_NONE, attach_kprobe_multi),
+ SEC_DEF("kprobe.multi+", KPROBE, BPF_TRACE_KPROBE_MULTI, SEC_NONE, attach_kprobe_multi),
+ SEC_DEF("kretprobe.multi+", KPROBE, BPF_TRACE_KPROBE_MULTI, SEC_NONE, attach_kprobe_multi),
SEC_DEF("usdt+", KPROBE, 0, SEC_NONE, attach_usdt),
SEC_DEF("tc", SCHED_CLS, 0, SEC_NONE),
SEC_DEF("classifier", SCHED_CLS, 0, SEC_NONE | SEC_SLOPPY_PFX | SEC_DEPRECATED),
SEC_DEF("action", SCHED_ACT, 0, SEC_NONE | SEC_SLOPPY_PFX),
- SEC_DEF("tracepoint/", TRACEPOINT, 0, SEC_NONE, attach_tp),
- SEC_DEF("tp/", TRACEPOINT, 0, SEC_NONE, attach_tp),
- SEC_DEF("raw_tracepoint/", RAW_TRACEPOINT, 0, SEC_NONE, attach_raw_tp),
- SEC_DEF("raw_tp/", RAW_TRACEPOINT, 0, SEC_NONE, attach_raw_tp),
- SEC_DEF("raw_tracepoint.w/", RAW_TRACEPOINT_WRITABLE, 0, SEC_NONE, attach_raw_tp),
- SEC_DEF("raw_tp.w/", RAW_TRACEPOINT_WRITABLE, 0, SEC_NONE, attach_raw_tp),
+ SEC_DEF("tracepoint+", TRACEPOINT, 0, SEC_NONE, attach_tp),
+ SEC_DEF("tp+", TRACEPOINT, 0, SEC_NONE, attach_tp),
+ SEC_DEF("raw_tracepoint+", RAW_TRACEPOINT, 0, SEC_NONE, attach_raw_tp),
+ SEC_DEF("raw_tp+", RAW_TRACEPOINT, 0, SEC_NONE, attach_raw_tp),
+ SEC_DEF("raw_tracepoint.w+", RAW_TRACEPOINT_WRITABLE, 0, SEC_NONE, attach_raw_tp),
+ SEC_DEF("raw_tp.w+", RAW_TRACEPOINT_WRITABLE, 0, SEC_NONE, attach_raw_tp),
SEC_DEF("tp_btf/", TRACING, BPF_TRACE_RAW_TP, SEC_ATTACH_BTF, attach_trace),
SEC_DEF("fentry/", TRACING, BPF_TRACE_FENTRY, SEC_ATTACH_BTF, attach_trace),
SEC_DEF("fmod_ret/", TRACING, BPF_MODIFY_RETURN, SEC_ATTACH_BTF, attach_trace),
char *func;
int n;
+ *link = NULL;
+
+ /* no auto-attach for SEC("kprobe") and SEC("kretprobe") */
+ if (strcmp(prog->sec_name, "kprobe") == 0 || strcmp(prog->sec_name, "kretprobe") == 0)
+ return 0;
+
opts.retprobe = str_has_pfx(prog->sec_name, "kretprobe/");
if (opts.retprobe)
func_name = prog->sec_name + sizeof("kretprobe/") - 1;
char *pattern;
int n;
+ *link = NULL;
+
+ /* no auto-attach for SEC("kprobe.multi") and SEC("kretprobe.multi") */
+ if (strcmp(prog->sec_name, "kprobe.multi") == 0 ||
+ strcmp(prog->sec_name, "kretprobe.multi") == 0)
+ return 0;
+
opts.retprobe = str_has_pfx(prog->sec_name, "kretprobe.multi/");
if (opts.retprobe)
spec = prog->sec_name + sizeof("kretprobe.multi/") - 1;
if (!sec_name)
return -ENOMEM;
+ *link = NULL;
+
+ /* no auto-attach for SEC("tp") or SEC("tracepoint") */
+ if (strcmp(prog->sec_name, "tp") == 0 || strcmp(prog->sec_name, "tracepoint") == 0)
+ return 0;
+
/* extract "tp/<category>/<name>" or "tracepoint/<category>/<name>" */
if (str_has_pfx(prog->sec_name, "tp/"))
tp_cat = sec_name + sizeof("tp/") - 1;
static int attach_raw_tp(const struct bpf_program *prog, long cookie, struct bpf_link **link)
{
static const char *const prefixes[] = {
- "raw_tp/",
- "raw_tracepoint/",
- "raw_tp.w/",
- "raw_tracepoint.w/",
+ "raw_tp",
+ "raw_tracepoint",
+ "raw_tp.w",
+ "raw_tracepoint.w",
};
size_t i;
const char *tp_name = NULL;
+ *link = NULL;
+
for (i = 0; i < ARRAY_SIZE(prefixes); i++) {
- if (str_has_pfx(prog->sec_name, prefixes[i])) {
- tp_name = prog->sec_name + strlen(prefixes[i]);
- break;
- }
+ size_t pfx_len;
+
+ if (!str_has_pfx(prog->sec_name, prefixes[i]))
+ continue;
+
+ pfx_len = strlen(prefixes[i]);
+ /* no auto-attach case of, e.g., SEC("raw_tp") */
+ if (prog->sec_name[pfx_len] == '\0')
+ return 0;
+
+ if (prog->sec_name[pfx_len] != '/')
+ continue;
+
+ tp_name = prog->sec_name + pfx_len + 1;
+ break;
}
+
if (!tp_name) {
pr_warn("prog '%s': invalid section name '%s'\n",
prog->name, prog->sec_name);