X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-tracepoint-event.h;h=8140b9df78c32425e0ea97f6185a4844bda9cfc7;hb=3ebeea0d72dfa71572ab0962b2726aa6f81dc1ee;hp=eb6b2ea401ff7a48ff385ed443d4a7eb6e7d5426;hpb=b11abb674e50c67e3410ab2bd5d0a263e88b73ba;p=lttng-ust.git

diff --git a/include/lttng/ust-tracepoint-event.h b/include/lttng/ust-tracepoint-event.h
index eb6b2ea4..8140b9df 100644
--- a/include/lttng/ust-tracepoint-event.h
+++ b/include/lttng/ust-tracepoint-event.h
@@ -302,10 +302,66 @@ size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS
 #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);