#define __field_hex(_type, _item) \
__field_full(_type, _item, __BYTE_ORDER, 16)
+#undef __field_oct
+#define __field_oct(_type, _item) \
+ __field_full(_type, _item, __BYTE_ORDER, 8)
+
#undef __field_network
#define __field_network(_type, _item) \
__field_full(_type, _item, __BIG_ENDIAN, 10)
static const struct lttng_event_desc __event_desc___##_map = { \
.fields = __event_fields___##_template, \
.name = #_map, \
+ .kname = #_name, \
.probe_callback = (void *) TP_PROBE_CB(_template), \
.nr_fields = ARRAY_SIZE(__event_fields___##_template), \
.owner = THIS_MODULE, \
static inline size_t __event_get_size__##_name(size_t *__dynamic_len, _proto) \
{ \
size_t __event_len = 0; \
- unsigned int __dynamic_len_idx = 0; \
+ unsigned int __dynamic_len_idx __attribute__((unused)) = 0; \
+ \
+ _tstruct \
+ return __event_len; \
+}
+
+#undef DECLARE_EVENT_CLASS_NOARGS
+#define DECLARE_EVENT_CLASS_NOARGS(_name, _tstruct, _assign, _print) \
+static inline size_t __event_get_size__##_name(size_t *__dynamic_len) \
+{ \
+ size_t __event_len = 0; \
+ unsigned int __dynamic_len_idx __attribute__((unused)) = 0; \
\
- if (0) \
- (void) __dynamic_len_idx; /* don't warn if unused */ \
_tstruct \
return __event_len; \
}
return __event_align; \
}
+#undef DECLARE_EVENT_CLASS_NOARGS
+#define DECLARE_EVENT_CLASS_NOARGS(_name, _tstruct, _assign, _print) \
+static inline size_t __event_get_align__##_name(void) \
+{ \
+ size_t __event_align = 1; \
+ _tstruct \
+ return __event_align; \
+}
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
#undef TP_STRUCT__entry
#define TP_STRUCT__entry(args...) args
-#undef DECLARE_EVENT_CLASS
-#define DECLARE_EVENT_CLASS(_name, _proto, _args, _tstruct, _assign, _print) \
+#undef DECLARE_EVENT_CLASS_NOARGS
+#define DECLARE_EVENT_CLASS_NOARGS(_name, _tstruct, _assign, _print) \
struct __event_typemap__##_name { \
_tstruct \
};
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(_name, _proto, _args, _tstruct, _assign, _print) \
+ DECLARE_EVENT_CLASS_NOARGS(_name, _tstruct, _assign, _print)
+
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
*/
#undef tp_copy_string_from_user
#define tp_copy_string_from_user(dest, src) \
- __assign_##dest: \
- { \
- size_t __ustrlen; \
- \
- if (0) \
- (void) __typemap.dest; \
- lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__typemap.dest));\
- __ustrlen = __get_dynamic_array_len(dest); \
- if (likely(__ustrlen > 1)) { \
- __chan->ops->event_write_from_user(&__ctx, src, \
- __ustrlen - 1); \
- } \
- __chan->ops->event_memset(&__ctx, 0, 1); \
- } \
+__assign_##dest: \
+ if (0) \
+ (void) __typemap.dest; \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__typemap.dest)); \
+ __chan->ops->event_strcpy_from_user(&__ctx, src, \
+ __get_dynamic_array_len(dest)); \
goto __end_field_##dest;
+
#undef tp_strcpy
#define tp_strcpy(dest, src) \
- tp_memcpy(dest, src, __get_dynamic_array_len(dest))
+__assign_##dest: \
+ if (0) \
+ (void) __typemap.dest; \
+ lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__typemap.dest)); \
+ __chan->ops->event_strcpy(&__ctx, src, __get_dynamic_array_len(dest)); \
+ goto __end_field_##dest;
/* Named field types must be defined in lttng-types.h */
#define _TP_SESSION_CHECK(session, csession) 1
#endif /* TP_SESSION_CHECK */
+/*
+ * __dynamic_len array length is twice the number of fields due to
+ * __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2(), which are the
+ * worse case, needing 2 entries per field.
+ */
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(_name, _proto, _args, _tstruct, _assign, _print) \
static void __event_probe__##_name(void *__data, _proto) \
struct lttng_channel *__chan = __event->chan; \
struct lib_ring_buffer_ctx __ctx; \
size_t __event_len, __event_align; \
- size_t __dynamic_len_idx = 0; \
- size_t __dynamic_len[ARRAY_SIZE(__event_fields___##_name)]; \
- struct __event_typemap__##_name __typemap; \
+ size_t __dynamic_len_idx __attribute__((unused)) = 0; \
+ size_t __dynamic_len[2 * ARRAY_SIZE(__event_fields___##_name)] __attribute__((unused)); \
+ struct __event_typemap__##_name __typemap __attribute__((unused)); \
int __ret; \
\
- if (0) { \
- (void) __dynamic_len_idx; /* don't warn if unused */ \
- (void) __typemap; /* don't warn if unused */ \
- } \
if (!_TP_SESSION_CHECK(session, __chan->session)) \
return; \
if (unlikely(!ACCESS_ONCE(__chan->session->active))) \
struct lttng_channel *__chan = __event->chan; \
struct lib_ring_buffer_ctx __ctx; \
size_t __event_len, __event_align; \
+ size_t __dynamic_len_idx __attribute__((unused)) = 0; \
+ size_t __dynamic_len[2 * ARRAY_SIZE(__event_fields___##_name)] __attribute__((unused)); \
+ struct __event_typemap__##_name __typemap __attribute__((unused)); \
int __ret; \
\
if (!_TP_SESSION_CHECK(session, __chan->session)) \
return; \
if (unlikely(!ACCESS_ONCE(__event->enabled))) \
return; \
- __event_len = 0; \
- __event_align = 1; \
+ __event_len = __event_get_size__##_name(__dynamic_len); \
+ __event_align = __event_get_align__##_name(); \
lib_ring_buffer_ctx_init(&__ctx, __chan->chan, __event, __event_len, \
__event_align, -1); \
__ret = __chan->ops->event_reserve(&__ctx, __event->id); \