/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
+static inline lttng_ust_notrace
+void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void);
static inline
void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void)
{
#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
__tracepoint_provider_mismatch_##_provider();
+static inline lttng_ust_notrace
+void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void);
static inline
void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void)
{
#undef _ctf_integer_ext
#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
if (lttng_is_signed_type(_type)) { \
- int64_t __ctf_tmp_int64 = (int64_t) (_type) (_src); \
+ int64_t __ctf_tmp_int64; \
+ switch (sizeof(_type)) { \
+ case 1: \
+ { \
+ union { _type t; int8_t v; } __tmp = { (_type) (_src) }; \
+ __ctf_tmp_int64 = (int64_t) __tmp.v; \
+ break; \
+ } \
+ case 2: \
+ { \
+ union { _type t; int16_t v; } __tmp = { (_type) (_src) }; \
+ __ctf_tmp_int64 = (int64_t) __tmp.v; \
+ break; \
+ } \
+ case 4: \
+ { \
+ union { _type t; int32_t v; } __tmp = { (_type) (_src) }; \
+ __ctf_tmp_int64 = (int64_t) __tmp.v; \
+ break; \
+ } \
+ case 8: \
+ { \
+ union { _type t; int64_t v; } __tmp = { (_type) (_src) }; \
+ __ctf_tmp_int64 = (int64_t) __tmp.v; \
+ break; \
+ } \
+ default: \
+ abort(); \
+ }; \
memcpy(__stack_data, &__ctf_tmp_int64, sizeof(int64_t)); \
} else { \
- uint64_t __ctf_tmp_uint64 = (uint64_t) (_type) (_src); \
+ uint64_t __ctf_tmp_uint64; \
+ switch (sizeof(_type)) { \
+ case 1: \
+ { \
+ union { _type t; uint8_t v; } __tmp = { (_type) (_src) }; \
+ __ctf_tmp_uint64 = (uint64_t) __tmp.v; \
+ break; \
+ } \
+ case 2: \
+ { \
+ union { _type t; uint16_t v; } __tmp = { (_type) (_src) }; \
+ __ctf_tmp_uint64 = (uint64_t) __tmp.v; \
+ break; \
+ } \
+ case 4: \
+ { \
+ union { _type t; uint32_t v; } __tmp = { (_type) (_src) }; \
+ __ctf_tmp_uint64 = (uint64_t) __tmp.v; \
+ break; \
+ } \
+ case 8: \
+ { \
+ union { _type t; uint64_t v; } __tmp = { (_type) (_src) }; \
+ __ctf_tmp_uint64 = (uint64_t) __tmp.v; \
+ break; \
+ } \
+ default: \
+ abort(); \
+ }; \
memcpy(__stack_data, &__ctf_tmp_uint64, sizeof(uint64_t)); \
} \
__stack_data += sizeof(int64_t);
const void *__ctf_tmp_ptr = (_src); \
memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \
__stack_data += sizeof(unsigned long); \
- memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
- __stack_data += sizeof(void **); \
+ memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \
+ __stack_data += sizeof(void *); \
}
#undef _ctf_sequence_encoded
const void *__ctf_tmp_ptr = (_src); \
memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \
__stack_data += sizeof(unsigned long); \
- memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
- __stack_data += sizeof(void **); \
+ memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \
+ __stack_data += sizeof(void *); \
}
#undef _ctf_string
#define _ctf_string(_item, _src, _nowrite) \
{ \
const void *__ctf_tmp_ptr = (_src); \
- memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
- __stack_data += sizeof(void **); \
+ memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \
+ __stack_data += sizeof(void *); \
}
#undef TP_ARGS
__chan->ops->event_write(&__ctx, _src, \
sizeof(_type) * __get_dynamic_len(dest));
+/*
+ * __chan->ops->u.has_strcpy is a flag letting us know if the LTTng-UST
+ * tracepoint provider ABI implements event_strcpy. This dynamic check
+ * can be removed when the tracepoint provider ABI moves to 2.
+ */
+#if (LTTNG_UST_PROVIDER_MAJOR > 1)
+#error "Tracepoint probe provider major version has changed. Please remove dynamic check for has_strcpy."
+#endif
+
#undef _ctf_string
#define _ctf_string(_item, _src, _nowrite) \
lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(*(_src))); \
- __chan->ops->event_write(&__ctx, _src, __get_dynamic_len(dest));
+ if (__chan->ops->u.has_strcpy) \
+ __chan->ops->event_strcpy(&__ctx, _src, \
+ __get_dynamic_len(dest)); \
+ else \
+ __chan->ops->event_write(&__ctx, _src, \
+ __get_dynamic_len(dest));
/* Beware: this get len actually consumes the len value */
#undef __get_dynamic_len