}
}
+static
+bool lttng_userspace_probe_location_function_is_equal(const struct lttng_userspace_probe_location *_a,
+ const struct lttng_userspace_probe_location *_b)
+{
+ bool is_equal = false;
+ struct lttng_userspace_probe_location_function *a, *b;
+
+ a = container_of(_a, struct lttng_userspace_probe_location_function, parent);
+ b = container_of(_b, struct lttng_userspace_probe_location_function, parent);
+
+ /* The binary_fd is not checked since it does not hold "immutable"
+ * information.
+ */
+
+ if (a->instrumentation_type != b->instrumentation_type) {
+ goto end;
+ }
+
+ assert(a->function_name);
+ assert(b->function_name);
+ if (strcmp(a->function_name, b->function_name)) {
+ goto end;
+ }
+
+ assert(a->binary_path);
+ assert(b->binary_path);
+ if (strcmp(a->binary_path, b->binary_path)) {
+ goto end;
+ }
+
+ is_equal = true;
+end:
+ return is_equal;
+}
+
static struct lttng_userspace_probe_location *
lttng_userspace_probe_location_function_create_no_check(const char *binary_path,
const char *function_name,
ret = &location->parent;
ret->lookup_method = lookup_method;
ret->type = LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION;
+ ret->equal = lttng_userspace_probe_location_function_is_equal;
goto end;
error:
return ret;
}
+static
+bool lttng_userspace_probe_location_tracepoint_is_equal(const struct lttng_userspace_probe_location *_a,
+ const struct lttng_userspace_probe_location *_b)
+{
+ bool is_equal = false;
+ struct lttng_userspace_probe_location_tracepoint *a, *b;
+
+ a = container_of(_a, struct lttng_userspace_probe_location_tracepoint, parent);
+ b = container_of(_b, struct lttng_userspace_probe_location_tracepoint, parent);
+
+ /* The binary_fd is not checked since it does not hold "immutable"
+ * information.
+ */
+
+ assert(a->probe_name);
+ assert(b->probe_name);
+ if (strcmp(a->probe_name, b->probe_name)) {
+ goto end;
+ }
+
+ assert(a->provider_name);
+ assert(b->provider_name);
+ if (strcmp(a->provider_name, b->provider_name)) {
+ goto end;
+ }
+
+ assert(a->binary_path);
+ assert(b->binary_path);
+ if (strcmp(a->binary_path, b->binary_path)) {
+ goto end;
+ }
+
+ is_equal = true;
+end:
+ return is_equal;
+}
+
static struct lttng_userspace_probe_location *
lttng_userspace_probe_location_tracepoint_create_no_check(const char *binary_path,
const char *provider_name, const char *probe_name,
ret = &location->parent;
ret->lookup_method = lookup_method;
ret->type = LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT;
+ ret->equal = lttng_userspace_probe_location_tracepoint_is_equal;
goto end;
error:
err:
return new_location;
}
+
+LTTNG_HIDDEN
+bool lttng_userspace_probe_location_is_equal(
+ const struct lttng_userspace_probe_location *a,
+ const struct lttng_userspace_probe_location *b)
+{
+ bool is_equal = false;
+
+ if (!a || !b) {
+ goto end;
+ }
+
+ if (a->type != b->type) {
+ goto end;
+ }
+
+ if (a == b) {
+ is_equal = true;
+ goto end;
+ }
+
+ is_equal = a->equal ? a->equal(a, b) : true;
+end:
+ return is_equal;
+}
+
+LTTNG_HIDDEN
+int lttng_userspace_probe_location_set_binary_fd(
+ struct lttng_userspace_probe_location *location, int fd)
+{
+ int ret = 0;
+ const struct lttng_userspace_probe_location_lookup_method *lookup = NULL;
+ /*
+ * Set the file descriptor received from the client through the unix
+ * socket in the probe location.
+ */
+ lookup = lttng_userspace_probe_location_get_lookup_method(location);
+ if (!lookup) {
+ ret = LTTNG_ERR_PROBE_LOCATION_INVAL;
+ goto end;
+ }
+
+ /*
+ * From the kernel tracer's perspective, all userspace probe event types
+ * are all the same: a file and an offset.
+ */
+ switch (lttng_userspace_probe_location_lookup_method_get_type(lookup)) {
+ case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF:
+ ret = lttng_userspace_probe_location_function_set_binary_fd(
+ location, fd);
+ break;
+ case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT:
+ ret = lttng_userspace_probe_location_tracepoint_set_binary_fd(
+ location, fd);
+ break;
+ default:
+ ret = LTTNG_ERR_PROBE_LOCATION_INVAL;
+ goto end;
+ }
+
+ if (ret) {
+ ret = LTTNG_ERR_PROBE_LOCATION_INVAL;
+ goto end;
+ }
+end:
+ return ret;
+}