X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=genevent-new%2Fgenevent.c;h=3e48840ebc1156462d403b49c1ed63c525f10e69;hb=2d6c6b76f73668703e823a0638e7a67262668aee;hp=15518d80507f4c592d38f9b350cd5f9b0e277e4b;hpb=2e415130418ce89ceda673f233c42ab1fc102643;p=lttv.git

diff --git a/genevent-new/genevent.c b/genevent-new/genevent.c
index 15518d80..3e48840e 100644
--- a/genevent-new/genevent.c
+++ b/genevent-new/genevent.c
@@ -151,7 +151,7 @@ int print_type(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 			fprintf(fd, "%s", floatOutputTypes[getSizeindex(td->size)]);
 			break;
 		case POINTER:
-			fprintf(fd, "void *");
+			fprintf(fd, "const void *");
 			break;
 		case LONG:
 			fprintf(fd, "long");
@@ -169,7 +169,7 @@ int print_type(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 			fprintf(fd, "off_t");
 			break;
 		case STRING:
-			fprintf(fd, "char *");
+			fprintf(fd, "const char *");
 			break;
 		case ENUM:
 			fprintf(fd, "enum lttng_%s", basename);
@@ -224,87 +224,87 @@ int print_arg(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 	switch(td->type) {
 		case INT_FIXED:
 			fprintf(fd, "%s", intOutputTypes[getSizeindex(td->size)]);
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, "lttng_param_%s", field_name);
 			break;
 		case UINT_FIXED:
 			fprintf(fd, "%s", uintOutputTypes[getSizeindex(td->size)]);
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, "lttng_param_%s", field_name);
 			break;
 		case CHAR:
 			fprintf(fd, "signed char");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case UCHAR:
 			fprintf(fd, "unsigned char");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case SHORT:
 			fprintf(fd, "short");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case USHORT:
 			fprintf(fd, "unsigned short");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case INT:
 			fprintf(fd, "int");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case UINT:
 			fprintf(fd, "unsigned int");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case FLOAT:
 			fprintf(fd, "%s", floatOutputTypes[getSizeindex(td->size)]);
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case POINTER:
-			fprintf(fd, "void *");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, "const void *");
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case LONG:
 			fprintf(fd, "long");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case ULONG:
 			fprintf(fd, "unsigned long");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case SIZE_T:
 			fprintf(fd, "size_t");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case SSIZE_T:
 			fprintf(fd, "ssize_t");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case OFF_T:
 			fprintf(fd, "off_t");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case STRING:
-			fprintf(fd, "char *");
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, "const char *");
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case ENUM:
 			fprintf(fd, "enum lttng_%s", basename);
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case ARRAY:
 			fprintf(fd, "lttng_array_%s", basename);
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 		case SEQUENCE:
 			fprintf(fd, "lttng_sequence_%s *", basename);
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 	case STRUCT:
 			fprintf(fd, "struct lttng_%s *", basename);
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 	case UNION:
 			fprintf(fd, "union lttng_%s *", basename);
-			fprintf(fd, " %s", field_name);
+			fprintf(fd, " lttng_param_%s", field_name);
 			break;
 	default:
 	 	 	printf("print_type : unknown type\n");
@@ -386,6 +386,8 @@ int print_type_declaration(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 	char basename[PATH_MAX];
 	unsigned int basename_len = 0;
 	
+	if(td->custom_write) return 0;	/* Does print custom type */
+	
 	strncpy(basename, nest_name, PATH_MAX);
 	basename_len = strlen(basename);
 	
@@ -411,7 +413,8 @@ int print_type_declaration(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 			fprintf(fd, " {\n");
 			for(unsigned int i=0;i<td->labels.position;i++){
 				print_tabs(1, fd);
-				fprintf(fd, "LTTNG_%s", ((char*)(td->labels.array[i])));
+				fprintf(fd, "LTTNG_%s = %d", ((char*)td->labels.array[i]),
+            (*(int*)td->labels_values.array[i]));
 				fprintf(fd, ",\n");
 			}
 			fprintf(fd, "};\n");
@@ -451,12 +454,14 @@ int print_type_declaration(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 			print_tabs(1, fd);
 			if(print_type(((field_t*)td->fields.array[0])->type,
 						fd, tabs, basename, "")) return 1;
-			fprintf(fd, "len;\n");
+			fprintf(fd, " len;\n");
 			print_tabs(1, fd);
+			fprintf(fd, "const ");
 			if(print_type(((field_t*)td->fields.array[1])->type,
 						fd, tabs, basename, "")) return 1;
 			fprintf(fd, " *array;\n");
-			fprintf(fd, "};\n");
+			fprintf(fd, "};\n");	/* We do not LTT_ALIGN, because we never copy
+															 it to the buffer directly. */
 			fprintf(fd, "\n");
 		break;
 
@@ -481,11 +486,10 @@ int print_type_declaration(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 				fprintf(fd, "%s", field->name);
 				fprintf(fd, ";\n");
 			}
-			fprintf(fd, "};\n");
+			fprintf(fd, "} LTT_ALIGN;\n");
 			fprintf(fd, "\n");
 			break;
 	case UNION:
-			/* TODO : Do not allow variable length fields in a union */
 			for(unsigned int i=0;i<td->fields.position;i++){
 				field_t *field = (field_t*)(td->fields.array[i]);
 				type_descriptor_t *type = field->type;
@@ -506,7 +510,7 @@ int print_type_declaration(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 				fprintf(fd, "%s", field->name);
 				fprintf(fd, ";\n");
 			}
-			fprintf(fd, "};\n");
+			fprintf(fd, "} LTT_ALIGN;\n");
 			fprintf(fd, "\n");
 			break;
 	default:
@@ -526,7 +530,7 @@ int print_type_declaration(type_descriptor_t * td, FILE *fd, unsigned int tabs,
  * (possibly)). */
 
 int print_type_alignment(type_descriptor_t * td, FILE *fd, unsigned int tabs,
-		char *nest_name, char *field_name)
+		char *nest_name, char *field_name, char *obj_prefix)
 {
 	char basename[PATH_MAX];
 	unsigned int basename_len = 0;
@@ -543,59 +547,111 @@ int print_type_alignment(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 		 * the array. */
 		if((basename_len != 0)
 				&& (basename[basename_len-1] != '_'
+				&& field_name != NULL
 				&& (field_name[0] != '\0'))) {
 			strncat(basename, "_", PATH_MAX - basename_len);
 			basename_len = strlen(basename);
 		}
-		strncat(basename, field_name, PATH_MAX - basename_len);
+		if(field_name != NULL)
+			strncat(basename, field_name, PATH_MAX - basename_len);
 	}
 	
-	switch(td->type) {
-		case INT_FIXED:
-		case UINT_FIXED:
-		case CHAR:
-		case UCHAR:
-		case SHORT:
-		case USHORT:
-		case INT:
-		case UINT:
-		case FLOAT:
-		case POINTER:
-		case LONG:
-		case ULONG:
-		case SIZE_T:
-		case SSIZE_T:
-		case OFF_T:
-		case ENUM:
-			fprintf(fd, "sizeof(");
-			if(print_type(td, fd, 0, basename, "")) return 1;
-			fprintf(fd, ")");
-			break;
-		case STRING:
-			fprintf(fd, "sizeof(char)");
-			break;
-		case SEQUENCE:
-			fprintf(fd, "lttng_get_alignment_sequence_%s(&obj->%s)", basename,
-					field_name);
-			break;
-		case STRUCT:
-			fprintf(fd, "lttng_get_alignment_struct_%s(&obj->%s)", basename,
-					field_name);
-			break;
-		case UNION:
-			fprintf(fd, "lttng_get_alignment_union_%s(&obj->%s)", basename,
-					field_name);
-			break;
-		case ARRAY:
-			fprintf(fd, "lttng_get_alignment_array_%s(obj->%s)", basename,
-					field_name);
-			break;
-		case NONE:
-			printf("error : type NONE unexpected\n");
-			return 1;
-			break;
-	}
+	if(field_name[0] == '\0') {
+		/* We are in a write function : it's the obj that we must align. */
+		switch(td->type) {
+			case SEQUENCE:
+				fprintf(fd, "lttng_get_alignment_sequence_%s(%s)", basename,
+						obj_prefix);
+				break;
+			case STRUCT:
+				fprintf(fd, "lttng_get_alignment_struct_%s(%s)", basename,
+						obj_prefix);
+				break;
+			case UNION:
+				fprintf(fd, "lttng_get_alignment_union_%s(%s)", basename,
+						obj_prefix);
+				break;
+			case ARRAY:
+				fprintf(fd, "lttng_get_alignment_array_%s(%s)", basename,
+						obj_prefix);
+			case STRING:
+				fprintf(fd, "sizeof(char)");
+				break;
+			case INT_FIXED:
+			case UINT_FIXED:
+			case CHAR:
+			case UCHAR:
+			case SHORT:
+			case USHORT:
+			case INT:
+			case UINT:
+			case FLOAT:
+			case POINTER:
+			case LONG:
+			case ULONG:
+			case SIZE_T:
+			case SSIZE_T:
+			case OFF_T:
+			case ENUM:
+				fprintf(fd, "sizeof(");
+				if(print_type(td, fd, 0, basename, "")) return 1;
+				fprintf(fd, ")");
+				break;
 
+			default:
+				printf("error : type unexpected\n");
+				return 1;
+				break;
+		}
+	} else {
+		
+		switch(td->type) {
+			case INT_FIXED:
+			case UINT_FIXED:
+			case CHAR:
+			case UCHAR:
+			case SHORT:
+			case USHORT:
+			case INT:
+			case UINT:
+			case FLOAT:
+			case POINTER:
+			case LONG:
+			case ULONG:
+			case SIZE_T:
+			case SSIZE_T:
+			case OFF_T:
+			case ENUM:
+				fprintf(fd, "sizeof(");
+				if(print_type(td, fd, 0, basename, "")) return 1;
+				fprintf(fd, ")");
+				break;
+			case STRING:
+				fprintf(fd, "sizeof(char)");
+				break;
+			case SEQUENCE:
+				fprintf(fd, "lttng_get_alignment_sequence_%s(&%s%s)", basename,
+						obj_prefix, field_name);
+				break;
+			case STRUCT:
+				fprintf(fd, "lttng_get_alignment_struct_%s(&%s%s)", basename,
+						obj_prefix, field_name);
+				break;
+			case UNION:
+				fprintf(fd, "lttng_get_alignment_union_%s(&%s%s)", basename,
+						obj_prefix, field_name);
+				break;
+			case ARRAY:
+				fprintf(fd, "lttng_get_alignment_array_%s(%s%s)", basename,
+						obj_prefix, field_name);
+				break;
+			case NONE:
+				printf("error : type NONE unexpected\n");
+				return 1;
+				break;
+		}
+	}
+	
 	return 0;
 }
 
@@ -607,10 +663,12 @@ int print_type_alignment(type_descriptor_t * td, FILE *fd, unsigned int tabs,
  * (possibly)). */
 
 int print_type_write(type_descriptor_t * td, FILE *fd, unsigned int tabs,
-		char *nest_name, char *field_name)
+		char *nest_name, char *field_name, char *obj_prefix, int get_ptr)
 {
 	char basename[PATH_MAX];
 	unsigned int basename_len = 0;
+	char get_ptr_char[2] = "";
+	char custom[PATH_MAX] = "";
 	
 	strncpy(basename, nest_name, PATH_MAX);
 	basename_len = strlen(basename);
@@ -631,6 +689,14 @@ int print_type_write(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 		strncat(basename, field_name, PATH_MAX - basename_len);
 	}
 	
+	if(get_ptr) {
+		strcpy(get_ptr_char, "&");
+	}
+
+	if(td->custom_write) {
+		strcpy(custom, "_custom");
+	}
+
 	switch(td->type) {
 		case INT_FIXED:
 		case UINT_FIXED:
@@ -649,38 +715,103 @@ int print_type_write(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 		case OFF_T:
 		case ENUM:
 			print_tabs(tabs, fd);
-			fprintf(fd, "size = ");
+			fprintf(fd, "align = ");
+			if(print_type_alignment(td, fd, 0, basename, "", "obj")) return 1;
+			fprintf(fd, ";\n");
+			fprintf(fd, "\n");
+			print_tabs(tabs, fd);
+			fprintf(fd, "if(*len == 0) {\n");
+			print_tabs(tabs+1, fd);
+			fprintf(fd, "*to += ltt_align(*to, align); /* align output */\n");
+			print_tabs(tabs, fd);
+			fprintf(fd, "} else {\n");
+			print_tabs(tabs+1, fd);
+			fprintf(fd, "*len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */\n");
+			print_tabs(tabs, fd);
+			fprintf(fd, "}\n");
+			fprintf(fd, "\n");
+
+			print_tabs(tabs, fd);
+			fprintf(fd, "*len += ");
 			fprintf(fd, "sizeof(");
 			if(print_type(td, fd, 0, basename, "")) return 1;
 			fprintf(fd, ");\n");
-			print_tabs(tabs, fd);
-			fprintf(fd, "size += ltt_align(*to+*len, size) + size;");
-			print_tabs(tabs, fd);
-			fprintf(fd, "*len += size;");
+
 			break;
 		case STRING:
 			print_tabs(tabs, fd);
-			fprintf(fd, "lttng_write_string_%s(buffer, to_base, to, from, len, obj->%s);\n", basename, field_name);
+			fprintf(fd,
+					"lttng_write%s_string_%s(buffer, to_base, to, from, len, %s%s);\n",
+					custom, basename, obj_prefix, field_name);
 			break;
 		case SEQUENCE:
 			print_tabs(tabs, fd);
-			fprintf(fd, "lttng_write_%s(buffer, to_base, to, from, len, obj->%s)", basename,
-					field_name);
+			fprintf(fd,
+					"lttng_write%s_sequence_%s(buffer, to_base, to, from, len, %s%s%s);",
+					custom, basename, get_ptr_char, obj_prefix, field_name);
 			break;
 		case STRUCT:
 			print_tabs(tabs, fd);
-			fprintf(fd, "lttng_write_struct_%s(buffer, to_base, to, from, len, obj->%s)", basename,
-					field_name);
+			fprintf(fd,
+					"lttng_write%s_struct_%s(buffer, to_base, to, from, len, %s%s%s);",
+					custom, basename, get_ptr_char, obj_prefix, field_name);
 			break;
 		case UNION:
 			print_tabs(tabs, fd);
-			fprintf(fd, "lttng_write_union_%s(buffer, to_base, to, from, len, obj->%s)", basename,
-					field_name);
+			fprintf(fd,
+					"lttng_write%s_union_%s(buffer, to_base, to, from, len, %s%s%s);",
+					custom, basename, get_ptr_char, obj_prefix, field_name);
 			break;
 		case ARRAY:
 			print_tabs(tabs, fd);
-			fprintf(fd, "lttng_write_array_%s(buffer, to_base, to, from, len, obj->%s)", basename,
-					field_name);
+			fprintf(fd,
+					"lttng_write%s_array_%s(buffer, to_base, to, from, len, %s%s);",
+					custom, basename, obj_prefix, field_name);
+			break;
+		case NONE:
+			printf("Error : type NONE unexpected\n");
+			return 1;
+			break;
+	}
+
+	return 0;
+}
+
+/* print need local vars ?.
+ *
+ * Copied from print_type_write
+ *
+ * Does the type_write call needs local size and from variables ?
+ * return value : 1 yes, 0 no.
+ */
+
+int has_type_local(type_descriptor_t * td)
+{
+	switch(td->type) {
+		case INT_FIXED:
+		case UINT_FIXED:
+		case CHAR:
+		case UCHAR:
+		case SHORT:
+		case USHORT:
+		case INT:
+		case UINT:
+		case FLOAT:
+		case POINTER:
+		case LONG:
+		case ULONG:
+		case SIZE_T:
+		case SSIZE_T:
+		case OFF_T:
+		case ENUM:
+			return 1;
+			break;
+		case STRING:
+		case SEQUENCE:
+		case STRUCT:
+		case UNION:
+		case ARRAY:
+			return 0;
 			break;
 		case NONE:
 			printf("Error : type NONE unexpected\n");
@@ -707,6 +838,8 @@ int print_type_alignment_fct(type_descriptor_t * td, FILE *fd,
 	char basename[PATH_MAX];
 	unsigned int basename_len = 0;
 	
+	if(td->custom_write) return 0;	/* Does print custom type */
+
 	strncpy(basename, nest_name, PATH_MAX);
 	basename_len = strlen(basename);
 	
@@ -741,7 +874,7 @@ int print_type_alignment_fct(type_descriptor_t * td, FILE *fd,
 			print_tabs(1, fd);
 			fprintf(fd, "localign = ");
 			if(print_type_alignment(((field_t*)td->fields.array[0])->type,
-						fd, 0, basename, ((field_t*)td->fields.array[0])->name)) return 1;
+						fd, 0, basename, "len", "obj->")) return 1;
 			fprintf(fd, ";\n");
 			print_tabs(1, fd);
 			fprintf(fd, "align = max(align, localign);\n");
@@ -749,7 +882,7 @@ int print_type_alignment_fct(type_descriptor_t * td, FILE *fd,
 			print_tabs(1, fd);
 			fprintf(fd, "localign = ");
 			if(print_type_alignment(((field_t*)td->fields.array[1])->type,
-						fd, 0, basename, ((field_t*)td->fields.array[1])->name)) return 1;
+						fd, 0, basename, "array[0]", "obj->")) return 1;
 			fprintf(fd, ";\n");
 			print_tabs(1, fd);
 			fprintf(fd, "align = max(align, localign);\n");
@@ -773,7 +906,8 @@ int print_type_alignment_fct(type_descriptor_t * td, FILE *fd,
 				type_descriptor_t *type = field->type;
 				print_tabs(1, fd);
 				fprintf(fd, "localign = ");
-				if(print_type_alignment(type, fd, 0, basename, field->name)) return 1;
+				if(print_type_alignment(type, fd, 0, basename, field->name, "obj->"))
+					return 1;
 				fprintf(fd, ";\n");
 				print_tabs(1, fd);
 				fprintf(fd, "align = max(align, localign);\n");
@@ -799,7 +933,8 @@ int print_type_alignment_fct(type_descriptor_t * td, FILE *fd,
 				type_descriptor_t *type = field->type;
 				print_tabs(1, fd);
 				fprintf(fd, "localign = ");
-				if(print_type_alignment(type, fd, 0, basename, field->name)) return 1;
+				if(print_type_alignment(type, fd, 0, basename, field->name, "obj->"))
+					return 1;
 				fprintf(fd, ";\n");
 				print_tabs(1, fd);
 				fprintf(fd, "align = max(align, localign);\n");
@@ -820,11 +955,13 @@ int print_type_alignment_fct(type_descriptor_t * td, FILE *fd,
 			print_tabs(1, fd);
 			fprintf(fd, "return \n");
 			if(print_type_alignment(((field_t*)td->fields.array[0])->type,
-						fd, 0, basename, ((field_t*)td->fields.array[0])->name)) return 1;
+						fd, 0, basename, "", "obj[0]"))
+				return 1;
 			fprintf(fd, ";\n");
 			break;
 		default:
-			printf("print_type_alignment_fct : type has no alignment function.\n");
+			dprintf("print_type_alignment_fct : type has no alignment function.\n");
+			return 0;
 			break;
 	}
 
@@ -849,6 +986,8 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 	char basename[PATH_MAX];
 	unsigned int basename_len = 0;
 	
+	if(td->custom_write) return 0;	/* Does print custom type */
+
 	strncpy(basename, nest_name, PATH_MAX);
 	basename_len = strlen(basename);
 	
@@ -868,26 +1007,36 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 		strncat(basename, field_name, PATH_MAX - basename_len);
 	}
 	
+	switch(td->type) {
+		case SEQUENCE:
+		case STRUCT:
+		case UNION:
+		case ARRAY:
+		case STRING:
+			break;
+		default:
+			dprintf("print_type_write_fct : type has no write function.\n");
+			return 0;
+			break;
+	}
+	
 	/* Print header */
 	switch(td->type) {
 		case SEQUENCE:
-			fprintf(fd, "static inline size_t lttng_get_alignment_sequence_%s(\n",
+			fprintf(fd, "static inline void lttng_write_sequence_%s(\n",
 					basename);
-
-			fprintf(fd, "lttng_get_alignment_sequence_%s(&obj->%s)", basename,
-					field_name);
 			break;
 		case STRUCT:
-			fprintf(fd, "lttng_get_alignment_struct_%s(&obj->%s)", basename,
-					field_name);
+			fprintf(fd, "static inline void lttng_write_struct_%s(\n", basename);
 			break;
 		case UNION:
-			fprintf(fd, "lttng_get_alignment_union_%s(&obj->%s)", basename,
-					field_name);
+			fprintf(fd, "static inline void lttng_write_union_%s(\n", basename);
 			break;
 		case ARRAY:
-			fprintf(fd, "lttng_get_alignment_array_%s(obj->%s)", basename,
-					field_name);
+			fprintf(fd, "static inline void lttng_write_array_%s(\n", basename);
+			break;
+		case STRING:
+			fprintf(fd, "static inline void lttng_write_string_%s(\n", basename);
 			break;
 		default:
 			printf("print_type_write_fct : type has no write function.\n");
@@ -901,7 +1050,7 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 	print_tabs(2, fd);
 	fprintf(fd, "size_t *to,\n");
 	print_tabs(2, fd);
-	fprintf(fd, "void **from,\n");
+	fprintf(fd, "const void **from,\n");
 	print_tabs(2, fd);
 	fprintf(fd, "size_t *len,\n");
 	print_tabs(2, fd);
@@ -920,14 +1069,27 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 		case ARRAY:
 			fprintf(fd, " obj)\n");
 			break;
+		case STRING:
+			fprintf(fd, " obj)\n");
+			break;
 		default:
 			printf("print_type_write_fct : type has no write function.\n");
 			break;
 	}
 
 	fprintf(fd, "{\n");
+
+	switch(td->type) {
+		case STRING:
+			print_tabs(1, fd);
+			fprintf(fd, "size_t size;\n");
+			break;
+		default:
+			break;
+	}
+
 	print_tabs(1, fd);
-	fprintf(fd, "size_t align, size;\n");
+	fprintf(fd, "size_t align;\n");
 	fprintf(fd, "\n");
 
 	switch(td->type) {
@@ -959,8 +1121,8 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 	}
 	
 	print_tabs(1, fd);
-	fprintf(fd, "align = \n");
-	if(print_type_alignment(td, fd, 0, basename, field_name)) return 1;
+	fprintf(fd, "align = ");
+	if(print_type_alignment(td, fd, 0, basename, "", "obj")) return 1;
 	fprintf(fd, ";\n");
 	fprintf(fd, "\n");
 	print_tabs(1, fd);
@@ -996,39 +1158,48 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 			case SEQUENCE:
 				print_tabs(1, fd);
 				fprintf(fd, "/* Copy members */\n");
-				print_tabs(1, fd);
-				fprintf(fd, "size = sizeof(\n");
+//				print_tabs(1, fd);
+//				fprintf(fd, "size = sizeof(\n");
 				if(print_type_write(((field_t*)td->fields.array[0])->type,
-						fd, 1, basename, ((field_t*)td->fields.array[0])->name)) return 1;
-				fprintf(fd, ");\n");
-				print_tabs(1, fd);
-				fprintf(fd, "*to += ltt_align(*to, size);\n");
+						fd, 1, basename, "len", "obj->", 1)) return 1;
+				fprintf(fd, "\n");
+//				fprintf(fd, ");\n");
+//				print_tabs(1, fd);
+//				fprintf(fd, "*to += ltt_align(*to, size);\n");
 				print_tabs(1, fd);
 				fprintf(fd, "if(buffer != NULL)\n");
 				print_tabs(2, fd);
-				fprintf(fd, "memcpy(buffer+*to_base+*to, &obj->len, size);\n");
+				fprintf(fd, "memcpy(buffer+*to_base+*to, &obj->len, *len);\n");
 				print_tabs(1, fd);
-				fprintf(fd, "*to += size;\n");
+				fprintf(fd, "*to += *len;\n");
+				print_tabs(1, fd);
+				fprintf(fd, "*len = 0;\n");
 				fprintf(fd, "\n");
-				
+
 				/* Write the child : varlen child or not ? */
 				if(has_type_fixed_size(((field_t*)td->fields.array[1])->type)) {
 					/* Fixed size len child : use a multiplication of its size */
-					print_tabs(1, fd);
-					fprintf(fd, "size = sizeof(\n");
+//					print_tabs(1, fd);
+//					fprintf(fd, "size = sizeof(\n");
+
+					//print_tabs(1, fd);
+					/* We know that *len does not contain alignment because of the
+					 * previous align output. len is always 0 here. */
 					if(print_type_write(((field_t*)td->fields.array[1])->type,
-							fd, 1, basename, ((field_t*)td->fields.array[1])->name)) return 1;
-					fprintf(fd, ");\n");
-					print_tabs(1, fd);
-					fprintf(fd, "*to += ltt_align(*to, size);\n");
+							fd, 1, basename, "array[0]", "obj->", 1))
+						return 1;
+//					fprintf(fd, ");\n");
+					fprintf(fd, "\n");
 					print_tabs(1, fd);
-					fprintf(fd, "size = obj->len * size;\n");
+					fprintf(fd, "*len = obj->len * (*len);\n");
 					print_tabs(1, fd);
 					fprintf(fd, "if(buffer != NULL)\n");
 					print_tabs(2, fd);
-					fprintf(fd, "memcpy(buffer+*to_base+*to, obj->array, size);\n");
+					fprintf(fd, "memcpy(buffer+*to_base+*to, obj->array, *len);\n");
 					print_tabs(1, fd);
-					fprintf(fd, "*to += size;\n");
+					fprintf(fd, "*to += *len;\n");
+					print_tabs(1, fd);
+					fprintf(fd, "*len = 0;\n");
 					fprintf(fd, "\n");
 				} else {
 					print_tabs(1, fd);
@@ -1036,7 +1207,7 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 					print_tabs(1, fd);
 					fprintf(fd, "for(unsigned int i=0; i<obj->len; i++) {\n");
 					if(print_type_write(((field_t*)td->fields.array[1])->type,
-							fd, 2, basename, ((field_t*)td->fields.array[1])->name)) return 1;
+							fd, 2, basename, "array[i]", "obj->", 1)) return 1;
 					print_tabs(1, fd);
 					fprintf(fd, "}\n");
 				}
@@ -1044,18 +1215,20 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 				print_tabs(1, fd);
 				fprintf(fd, "/* Realign the *to_base on arch size, set *to to 0 */\n");
 				print_tabs(1, fd);
-				fprintf(fd, "*to = ltt_align(*to, sizeof(void *));\n");
+				fprintf(fd, "*to += ltt_align(*to, sizeof(void *));\n");
 				print_tabs(1, fd);
 				fprintf(fd, "*to_base = *to_base+*to;\n");
 				print_tabs(1, fd);
 				fprintf(fd, "*to = 0;\n");
 				fprintf(fd, "\n");
+				print_tabs(1, fd);
 				fprintf(fd, "/* Put source *from just after the C sequence */\n");
 				print_tabs(1, fd);
 				fprintf(fd, "*from = obj+1;\n");
 				break;
 			case STRING:
-				fprintf(fd, "size = strlen(obj);\n");
+				print_tabs(1, fd);
+				fprintf(fd, "size = strlen(obj) + 1; /* Include final NULL char. */\n");
 				print_tabs(1, fd);
 				fprintf(fd, "if(buffer != NULL)\n");
 				print_tabs(2, fd);
@@ -1066,22 +1239,23 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 				print_tabs(1, fd);
 				fprintf(fd, "/* Realign the *to_base on arch size, set *to to 0 */\n");
 				print_tabs(1, fd);
-				fprintf(fd, "*to = ltt_align(*to, sizeof(void *));\n");
+				fprintf(fd, "*to += ltt_align(*to, sizeof(void *));\n");
 				print_tabs(1, fd);
 				fprintf(fd, "*to_base = *to_base+*to;\n");
 				print_tabs(1, fd);
 				fprintf(fd, "*to = 0;\n");
 				fprintf(fd, "\n");
-				fprintf(fd, "/* Put source *from just after the C sequence */\n");
 				print_tabs(1, fd);
-				fprintf(fd, "*from = obj+1;\n");
+				fprintf(fd, "/* Put source *from just after the C string */\n");
+				print_tabs(1, fd);
+				fprintf(fd, "*from += size;\n");
 				break;
 			case STRUCT:
 				for(unsigned int i=0;i<td->fields.position;i++){
 					field_t *field = (field_t*)(td->fields.array[i]);
 					type_descriptor_t *type = field->type;
 					if(print_type_write(type,
-							fd, 1, basename, field->name)) return 1;
+							fd, 1, basename, field->name, "obj->", 1)) return 1;
 					fprintf(fd, "\n");
 				}
 				break;
@@ -1100,8 +1274,8 @@ int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs,
 					fprintf(fd, "/* Variable length child : iter. */\n");
 					print_tabs(1, fd);
 					fprintf(fd, "for(unsigned int i=0; i<LTTNG_ARRAY_SIZE_%s; i++) {\n", basename);
-					if(print_type_write(((field_t*)td->fields.array[1])->type,
-							fd, 2, basename, ((field_t*)td->fields.array[1])->name)) return 1;
+					if(print_type_write(((field_t*)td->fields.array[0])->type,
+							fd, 2, basename, "", "obj->array[i]", 1)) return 1;
 					print_tabs(1, fd);
 					fprintf(fd, "}\n");
 				}
@@ -1128,22 +1302,45 @@ int print_event_logging_function(char *basename, facility_t *fac,
 		event_t *event, FILE *fd)
 {
 	fprintf(fd, "static inline void trace_%s(\n", basename);
+	int	has_argument = 0;
+	int has_type_fixed = 0;
+
+  /* Does it support per trace tracing ? */
+  if(event->per_trace) {
+		print_tabs(2, fd);
+    fprintf(fd, "struct ltt_trace_struct *dest_trace");
+		has_argument = 1;
+  }
+  
+  /* Does it support per tracefile tracing ? */
+  if(event->per_tracefile) {
+		if(has_argument) {
+			fprintf(fd, ",");
+			fprintf(fd, "\n");
+		}
+    fprintf(fd, "unsigned int tracefile_index");
+		has_argument = 1;
+  }
+
 	for(unsigned int j = 0; j < event->fields.position; j++) {
 		/* For each field, print the function argument */
 		field_t *f = (field_t*)event->fields.array[j];
 		type_descriptor_t *t = f->type;
-		if(print_arg(t, fd, 2, basename, f->name)) return 1;
-		if(j < event->fields.position-1) {
+		if(has_argument) {
 			fprintf(fd, ",");
 			fprintf(fd, "\n");
 		}
+		if(print_arg(t, fd, 2, basename, f->name)) return 1;
+		has_argument = 1;
 	}
-	if(event->fields.position == 0) {
+	if(!has_argument) {
 		print_tabs(2, fd);
 		fprintf(fd, "void");
 	}
 	fprintf(fd,")\n");
-	fprintf(fd, "#ifndef CONFIG_LTT\n");
+	fprintf(fd, 
+			"#if (!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_%s))\n",
+			fac->capname);
 	fprintf(fd, "{\n");
 	fprintf(fd, "}\n");
 	fprintf(fd,"#else\n");
@@ -1160,19 +1357,46 @@ int print_event_logging_function(char *basename, facility_t *fac,
 	print_tabs(1, fd);
 	fprintf(fd, "void *buffer = NULL;\n");
 	print_tabs(1, fd);
-	fprintf(fd, "size_t to_base = 0; /* The buffer is allocated on arch_size alignment */\n");
+	fprintf(fd, "size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */\n");
 	print_tabs(1, fd);
-	fprintf(fd, "size_t to = 0;\n");
+	fprintf(fd, "size_t *to_base = &real_to_base;\n");
 	print_tabs(1, fd);
-	fprintf(fd, "void *from;");
+	fprintf(fd, "size_t real_to = 0;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t *to = &real_to;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t real_len = 0;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t *len = &real_len;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t reserve_size;\n");
 	print_tabs(1, fd);
-	fprintf(fd, "size_t len = 0;\n");
-	fprintf(fd, "\n");
 	fprintf(fd, "size_t slot_size;\n");
-	fprintf(fd, "\n");
-	fprintf(fd, "cycles_t tsc;\n");
-	fprintf(fd, "\n");
-	fprintf(fd, "size_t before_hdr_pad, size_t after_hdr_pad;\n");
+	print_tabs(1, fd);
+
+	if(event->fields.position > 0) {
+		for(unsigned int i=0;i<event->fields.position;i++){
+			/* Search for at least one child with fixed size. It means
+			 * we need local variables.*/
+			field_t *field = (field_t*)(event->fields.array[i]);
+			type_descriptor_t *type = field->type;
+			has_type_fixed = has_type_local(type);
+			if(has_type_fixed) break;
+		}
+		
+		if(has_type_fixed) {
+			fprintf(fd, "size_t align;\n");
+			print_tabs(1, fd);
+		}
+
+		fprintf(fd, "const void *real_from;\n");
+		print_tabs(1, fd);
+		fprintf(fd, "const void **from = &real_from;\n");
+		print_tabs(1, fd);
+	}
+	fprintf(fd, "u64 tsc;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t before_hdr_pad, after_hdr_pad, header_size;\n");
 	fprintf(fd, "\n");
 	
 	print_tabs(1, fd);
@@ -1187,20 +1411,37 @@ int print_event_logging_function(char *basename, facility_t *fac,
 	print_tabs(1, fd);
 	fprintf(fd, "/* For each field, calculate the field size. */\n");
 	print_tabs(1, fd);
-	fprintf(fd, "/* size = to_base + to + len */\n");
+	fprintf(fd, "/* size = *to_base + *to + *len */\n");
 	print_tabs(1, fd);
-	fprintf(fd, "/* Assume that the padding for alignment starts at a void*\n");
+	fprintf(fd, "/* Assume that the padding for alignment starts at a\n");
 	print_tabs(1, fd);
-	fprintf(fd, "/* address. */\n");
+	fprintf(fd, " * sizeof(void *) address. */\n");
 	fprintf(fd, "\n");
 
 	for(unsigned int i=0;i<event->fields.position;i++){
 		field_t *field = (field_t*)(event->fields.array[i]);
 		type_descriptor_t *type = field->type;
+		/* Set from */
+		print_tabs(1, fd);
+		switch(type->type) {
+			case SEQUENCE:
+			case UNION:
+			case ARRAY:
+			case STRUCT:
+			case STRING:
+				fprintf(fd, "*from = lttng_param_%s;\n", field->name);
+				break;
+			default:
+				fprintf(fd, "*from = &lttng_param_%s;\n", field->name);
+				break;
+		}
+
 		if(print_type_write(type,
-				fd, 1, basename, field->name)) return 1;
+				fd, 1, basename, field->name, "lttng_param_", 0)) return 1;
 		fprintf(fd, "\n");
 	}
+	print_tabs(1, fd);
+	fprintf(fd, "reserve_size = *to_base + *to + *len;\n");
 
 	/* Take locks : make sure the trace does not vanish while we write on
 	 * it. A simple preemption disabling is enough (using rcu traces). */
@@ -1218,8 +1459,8 @@ int print_event_logging_function(char *basename, facility_t *fac,
 		print_tabs(1, fd);
 		fprintf(fd, 
 			"index = ltt_get_index_from_facility(ltt_facility_%s_%X,\n"\
-					"\t\t\t\tevent_%s);\n",
-				fac->name, fac->checksum, event->name);
+					"\t\t\t\t\t\tevent_%s_%s);\n",
+				fac->name, fac->checksum, fac->name, event->name);
 	}
 	fprintf(fd,"\n");
 
@@ -1238,7 +1479,7 @@ int print_event_logging_function(char *basename, facility_t *fac,
 	print_tabs(2, fd);
 	fprintf(fd, "channel = ltt_get_channel_from_index(trace, index);\n");
 	print_tabs(2, fd);
-	fprintf(fd, "relayfs_buf = channel->rchan->buf[channel->rchan->buf->cpu];\n");
+	fprintf(fd, "relayfs_buf = channel->rchan->buf[smp_processor_id()];\n");
 	fprintf(fd, "\n");
 
 	
@@ -1248,39 +1489,72 @@ int print_event_logging_function(char *basename, facility_t *fac,
 	print_tabs(2, fd);
 	fprintf(fd, "slot_size = 0;\n");
 	print_tabs(2, fd);
-	fprintf(fd, "buffer = ltt_reserve_slot(trace, relayfs_buf, to_base + to + len, &slot_size, &tsc,\n"
-		"\t\t&before_hdr_pad, &after_hdr_pad);\n");
+	fprintf(fd, "buffer = ltt_reserve_slot(trace, relayfs_buf,\n");
+	print_tabs(3, fd);
+	fprintf(fd, "reserve_size, &slot_size, &tsc,\n");
+	print_tabs(3, fd);
+	fprintf(fd, "&before_hdr_pad, &after_hdr_pad, &header_size);\n");
 	/* If error, return */
 	print_tabs(2, fd);
-	fprintf(fd, "if(!buffer) return;\n\n");
+	fprintf(fd, "if(!buffer) continue; /* buffer full */\n\n");
+	//print_tabs(2, fd);
+	// for DEBUG only 
+	// fprintf(fd, "goto commit; /* DEBUG : never actually write. */\n\n");
+	print_tabs(2, fd);
+	fprintf(fd, "*to_base = *to = *len = 0;\n");
+	fprintf(fd, "\n");
+
+	/* Write event header */
+	print_tabs(2, fd);
+	fprintf(fd, "ltt_write_event_header(trace, channel, buffer,\n");
+	print_tabs(3, fd);
+	fprintf(fd, "ltt_facility_%s_%X, event_%s_%s,\n", fac->name, fac->checksum,
+									fac->name, event->name);
+	print_tabs(3, fd);
+	fprintf(fd, "reserve_size, before_hdr_pad, tsc);\n");
+	print_tabs(2, fd);
+	fprintf(fd, "*to_base += before_hdr_pad + after_hdr_pad + header_size;\n");
+	fprintf(fd, "\n");
 	
-	/* write data : assume stack alignment is the same as struct alignment. */
+	/* write data. */
 
 	for(unsigned int i=0;i<event->fields.position;i++){
 		field_t *field = (field_t*)(event->fields.array[i]);
 		type_descriptor_t *type = field->type;
-
+	
 		/* Set from */
-		print_tabs(3, fd);
-		fprintf(fd, "from = %s;\n", field->name);
+		print_tabs(2, fd);
+		switch(type->type) {
+			case SEQUENCE:
+			case UNION:
+			case ARRAY:
+			case STRUCT:
+			case STRING:
+				fprintf(fd, "*from = lttng_param_%s;\n", field->name);
+				break;
+			default:
+				fprintf(fd, "*from = &lttng_param_%s;\n", field->name);
+				break;
+		}
+
 
 		if(print_type_write(type,
-				fd, 2, basename, field->name)) return 1;
+				fd, 2, basename, field->name, "lttng_param_", 0)) return 1;
 		fprintf(fd, "\n");
 		
 		/* Don't forget to flush pending memcpy */
 		print_tabs(2, fd);
 		fprintf(fd, "/* Flush pending memcpy */\n");
 		print_tabs(2, fd);
-		fprintf(fd, "if(len != 0) {\n");
+		fprintf(fd, "if(*len != 0) {\n");
 		print_tabs(3, fd);
-		fprintf(fd, "memcpy(buffer+to_base+to, from, len);\n");
+		fprintf(fd, "memcpy(buffer+*to_base+*to, *from, *len);\n");
 		print_tabs(3, fd);
-		fprintf(fd, "to += len;\n");
+		fprintf(fd, "*to += *len;\n");
 		//print_tabs(3, fd);
 		//fprintf(fd, "from += len;\n");
 		print_tabs(3, fd);
-		fprintf(fd, "len = 0;\n");
+		fprintf(fd, "*len = 0;\n");
 		print_tabs(2, fd);
 		fprintf(fd, "}\n");
 		fprintf(fd, "\n");
@@ -1288,6 +1562,8 @@ int print_event_logging_function(char *basename, facility_t *fac,
 
 	
 	/* commit */
+	// for DEBUG only.
+	//fprintf(fd, "commit:\n"); /* DEBUG! */
 	print_tabs(2, fd);
 	fprintf(fd, "ltt_commit_slot(relayfs_buf, buffer, slot_size);\n\n");
 	
@@ -1301,10 +1577,228 @@ int print_event_logging_function(char *basename, facility_t *fac,
 	fprintf(fd, "preempt_enable_no_resched();\n");
 
 	fprintf(fd, "}\n");
-	fprintf(fd, "#endif //CONFIG_LTT\n\n");
+	fprintf(fd, "#endif //(!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_%s))\n\n",
+			fac->capname);
 	return 0;
 }
 
+/* print_event_logging_function_user
+ * Print the logging function of an event for userspace tracing. This is the
+ * core of genevent */
+int print_event_logging_function_user(char *basename, facility_t *fac,
+		event_t *event, FILE *fd)
+{
+	if(event->param_buffer) {
+		fprintf(fd, "static inline int trace_%s_param_buffer(\n", basename);
+	} else {
+		fprintf(fd, "static inline int trace_%s(\n", basename);
+	}
+	int	has_argument = 0;
+	int has_type_fixed = 0;
+
+	if(event->param_buffer) {
+		if(has_argument) {
+				fprintf(fd, ",");
+				fprintf(fd, "\n");
+		}
+		print_tabs(2, fd);
+		fprintf(fd, "void *buffer");
+		has_argument = 1;
+		fprintf(fd, ",");
+		fprintf(fd, "\n");
+		print_tabs(2, fd);
+		fprintf(fd, "size_t reserve_size");
+	} else {
+		for(unsigned int j = 0; j < event->fields.position; j++) {
+			/* For each field, print the function argument */
+			field_t *f = (field_t*)event->fields.array[j];
+			type_descriptor_t *t = f->type;
+			if(has_argument) {
+				fprintf(fd, ",");
+				fprintf(fd, "\n");
+			}
+			if(print_arg(t, fd, 2, basename, f->name)) return 1;
+			has_argument = 1;
+		}
+	}
+	if(!has_argument) {
+		print_tabs(2, fd);
+		fprintf(fd, "void");
+	}
+	fprintf(fd,")\n");
+	fprintf(fd, 
+			"#ifndef LTT_TRACE\n");
+	fprintf(fd, "{\n");
+	fprintf(fd, "}\n");
+	fprintf(fd,"#else\n");
+	fprintf(fd, "{\n");
+	/* Print the function variables */
+	print_tabs(1, fd);
+	fprintf(fd, "int ret = 0;\n");
+	if(event->param_buffer) {
+		print_tabs(1, fd);
+		fprintf(fd, "reserve_size = ltt_align(reserve_size, sizeof(void *));\n");
+		print_tabs(1, fd);
+		fprintf(fd, "{\n");
+		goto do_syscall;
+	}
+	print_tabs(1, fd);
+	fprintf(fd, "void *buffer = NULL;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t *to_base = &real_to_base;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t real_to = 0;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t *to = &real_to;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t real_len = 0;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t *len = &real_len;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t reserve_size;\n");
+	print_tabs(1, fd);
+	fprintf(fd, "size_t slot_size;\n");
+	print_tabs(1, fd);
+
+	if(event->fields.position > 0) {
+		for(unsigned int i=0;i<event->fields.position;i++){
+			/* Search for at least one child with fixed size. It means
+			 * we need local variables.*/
+			field_t *field = (field_t*)(event->fields.array[i]);
+			type_descriptor_t *type = field->type;
+			has_type_fixed = has_type_local(type);
+			if(has_type_fixed) break;
+		}
+		
+		if(has_type_fixed) {
+			fprintf(fd, "size_t align;\n");
+			print_tabs(1, fd);
+		}
+
+		fprintf(fd, "const void *real_from;\n");
+		print_tabs(1, fd);
+		fprintf(fd, "const void **from = &real_from;\n");
+		print_tabs(1, fd);
+	}
+
+	/* Calculate event variable len + event data alignment offset.
+	 * Assume that the padding for alignment starts at a void*
+	 * address.
+	 * This excludes the header size and alignment. */
+
+	print_tabs(1, fd);
+	fprintf(fd, "/* For each field, calculate the field size. */\n");
+	print_tabs(1, fd);
+	fprintf(fd, "/* size = *to_base + *to + *len */\n");
+	print_tabs(1, fd);
+	fprintf(fd, "/* Assume that the padding for alignment starts at a\n");
+	print_tabs(1, fd);
+	fprintf(fd, " * sizeof(void *) address. */\n");
+	fprintf(fd, "\n");
+
+	for(unsigned int i=0;i<event->fields.position;i++){
+		field_t *field = (field_t*)(event->fields.array[i]);
+		type_descriptor_t *type = field->type;
+		/* Set from */
+		print_tabs(1, fd);
+		switch(type->type) {
+			case SEQUENCE:
+			case UNION:
+			case ARRAY:
+			case STRUCT:
+			case STRING:
+				fprintf(fd, "*from = lttng_param_%s;\n", field->name);
+				break;
+			default:
+				fprintf(fd, "*from = &lttng_param_%s;\n", field->name);
+				break;
+		}
+
+		if(print_type_write(type,
+				fd, 1, basename, field->name, "lttng_param_", 0)) return 1;
+		fprintf(fd, "\n");
+	}
+	print_tabs(1, fd);
+	fprintf(fd, "reserve_size = *to_base + *to + *len;\n");
+
+	print_tabs(1, fd);
+	fprintf(fd, "{\n");
+	print_tabs(2, fd);
+	fprintf(fd, "char stack_buffer[reserve_size];\n");
+	print_tabs(2, fd);
+	fprintf(fd, "buffer = stack_buffer;\n");
+	fprintf(fd, "\n");
+
+	
+	//print_tabs(2, fd);
+	// for DEBUG only 
+	// fprintf(fd, "goto commit; /* DEBUG : never actually write. */\n\n");
+	print_tabs(2, fd);
+	fprintf(fd, "*to_base = *to = *len = 0;\n");
+	fprintf(fd, "\n");
+
+	/* write data. */
+
+	for(unsigned int i=0;i<event->fields.position;i++){
+		field_t *field = (field_t*)(event->fields.array[i]);
+		type_descriptor_t *type = field->type;
+	
+		/* Set from */
+		print_tabs(2, fd);
+		switch(type->type) {
+			case SEQUENCE:
+			case UNION:
+			case ARRAY:
+			case STRUCT:
+			case STRING:
+				fprintf(fd, "*from = lttng_param_%s;\n", field->name);
+				break;
+			default:
+				fprintf(fd, "*from = &lttng_param_%s;\n", field->name);
+				break;
+		}
+
+
+		if(print_type_write(type,
+				fd, 2, basename, field->name, "lttng_param_", 0)) return 1;
+		fprintf(fd, "\n");
+		
+		/* Don't forget to flush pending memcpy */
+		print_tabs(2, fd);
+		fprintf(fd, "/* Flush pending memcpy */\n");
+		print_tabs(2, fd);
+		fprintf(fd, "if(*len != 0) {\n");
+		print_tabs(3, fd);
+		fprintf(fd, "memcpy(buffer+*to_base+*to, *from, *len);\n");
+		print_tabs(3, fd);
+		fprintf(fd, "*to += *len;\n");
+		//print_tabs(3, fd);
+		//fprintf(fd, "from += len;\n");
+		print_tabs(3, fd);
+		fprintf(fd, "*len = 0;\n");
+		print_tabs(2, fd);
+		fprintf(fd, "}\n");
+		fprintf(fd, "\n");
+	}
+
+do_syscall:
+	print_tabs(2, fd);
+	fprintf(fd, "ret = ltt_trace_generic(ltt_facility_%s_%X, event_%s_%s, buffer, reserve_size, LTT_BLOCKING);\n", fac->name, fac->checksum, fac->name, event->name);
+
+	print_tabs(1, fd);
+	fprintf(fd, "}\n\n");
+	
+	print_tabs(1, fd);
+	fprintf(fd, "return ret;\n\n");
+
+	fprintf(fd, "}\n");
+	fprintf(fd, 
+			"#endif //LTT_TRACE\n");
+
+	return 0;
+}
 
 /* ltt-facility-name.h : main logging header.
  * log_header */
@@ -1313,11 +1807,34 @@ void print_log_header_head(facility_t *fac, FILE *fd)
 {
 	fprintf(fd, "#ifndef _LTT_FACILITY_%s_H_\n", fac->capname);
 	fprintf(fd, "#define _LTT_FACILITY_%s_H_\n\n", fac->capname);
+  fprintf(fd, "#include <linux/types.h>\n");
+	if(!fac->arch)
+	  fprintf(fd, "#include <linux/ltt/ltt-facility-id-%s.h>\n", fac->name);
+	else
+	  fprintf(fd, "#include <asm/ltt/ltt-facility-id-%s_%s.h>\n",
+				fac->name,
+				fac->arch);
+  fprintf(fd, "#include <linux/ltt-core.h>\n");
 	fprintf(fd, "\n");
-	fprintf(fd, "/* Facility activation at compile time. */\n");
-	fprintf(fd, "#ifdef CONFIG_LTT_FACILITY_%s\n\n", fac->capname);
 }
 
+/* ltt-facility-name.h : main logging header.
+ * log_header */
+
+void print_log_header_head_user(facility_t *fac, FILE *fd)
+{
+	fprintf(fd, "#ifndef _LTT_FACILITY_%s_H_\n", fac->capname);
+	fprintf(fd, "#define _LTT_FACILITY_%s_H_\n\n", fac->capname);
+  fprintf(fd, "#include <sys/types.h>\n");
+	if(!fac->arch)
+	  fprintf(fd, "#include <ltt/ltt-facility-id-%s.h>\n", fac->name);
+	else
+	  fprintf(fd, "#include <asm/ltt/ltt-facility-id-%s_%s.h>\n",
+				fac->name,
+				fac->arch);
+  fprintf(fd, "#include <ltt/ltt-generic.h>\n");
+	fprintf(fd, "\n");
+}
 
 
 int print_log_header_types(facility_t *fac, FILE *fd)
@@ -1328,8 +1845,14 @@ int print_log_header_types(facility_t *fac, FILE *fd)
 	
 	for(unsigned int i = 0; i < types->position; i++) {
 		/* For each named type, print the definition */
-		if((print_type_declaration(types->array[i], fd,
-						0, "", ""))) return 1;
+		if(print_type_declaration(types->array[i], fd,
+						0, "", "")) return 1;
+		/* Print also the align function */
+		if(print_type_alignment_fct(types->array[i], fd,
+						0, "", "")) return 1;
+		/* Print also the write function */
+		if(print_type_write_fct(types->array[i], fd,
+						0, "", "")) return 1;
 	}
 	return 0;
 }
@@ -1356,15 +1879,25 @@ int print_log_header_events(facility_t *fac, FILE *fd)
 			/* For each unnamed type, print the definition */
 			field_t *f = (field_t*)event->fields.array[j];
 			type_descriptor_t *t = f->type;
-			if(t->type_name == NULL)
+			if(t->type_name == NULL) {
 				if((print_type_declaration(t, fd, 0, basename, f->name))) return 1;
+				/* Print also the align function */
+				if((print_type_alignment_fct(t, fd, 0, basename, f->name))) return 1;
+				/* Print also the write function */
+				if((print_type_write_fct(t, fd, 0, basename, f->name))) return 1;
+			}
 		}
+
 		fprintf(fd, "\n");
 
 		fprintf(fd, "/* Event %s logging function */\n",
 				event->name);
-
-		if(print_event_logging_function(basename, fac, event, fd)) return 1;
+		
+		if(!fac->user) {
+			if(print_event_logging_function(basename, fac, event, fd)) return 1;
+		} else {
+			if(print_event_logging_function_user(basename, fac, event, fd)) return 1;
+		}
 
 		fprintf(fd, "\n");
 	}
@@ -1375,7 +1908,11 @@ int print_log_header_events(facility_t *fac, FILE *fd)
 
 void print_log_header_tail(facility_t *fac, FILE *fd)
 {
-	fprintf(fd, "#endif //CONFIG_LTT_FACILITY_%s\n\n", fac->capname);
+	fprintf(fd, "#endif //_LTT_FACILITY_%s_H_\n",fac->capname);
+}
+
+void print_log_header_tail_user(facility_t *fac, FILE *fd)
+{
 	fprintf(fd, "#endif //_LTT_FACILITY_%s_H_\n",fac->capname);
 }
 	
@@ -1392,6 +1929,14 @@ int print_log_header(facility_t *fac)
 	strncat(filename, fac->name, PATH_MAX - filename_size);
 	filename_size = strlen(filename);
 
+	if(fac->arch) {
+		strncat(filename, "_", PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+
+		strncat(filename, fac->arch, PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+	}
+
 	strncat(filename, ".h", PATH_MAX - filename_size);
 	filename_size = strlen(filename);
 	
@@ -1404,7 +1949,10 @@ int print_log_header(facility_t *fac)
 	}
 
 	/* Print file head */
-	print_log_header_head(fac, fd);
+	if(!fac->user)
+		print_log_header_head(fac, fd);
+	else
+		print_log_header_head_user(fac, fd);
 
 	/* print named types in declaration order */
 	if(print_log_header_types(fac, fd)) return 1;
@@ -1413,7 +1961,11 @@ int print_log_header(facility_t *fac)
 	if(print_log_header_events(fac, fd)) return 1;
 	
 	/* Print file tail */
-	print_log_header_tail(fac, fd);
+	if(!fac->user)
+		print_log_header_tail(fac, fd);
+	else
+		print_log_header_tail_user(fac, fd);
+
 
 	
 	fclose(fd);
@@ -1429,6 +1981,9 @@ int print_id_header(facility_t *fac)
 	char filename[PATH_MAX];
 	unsigned int filename_size = 0;
 	FILE *fd;
+	char basename[PATH_MAX];
+	char basename_len = 0;
+
 	dprintf("%s\n", fac->name);
 
 	strcpy(filename, "ltt-facility-id-");
@@ -1437,6 +1992,14 @@ int print_id_header(facility_t *fac)
 	strncat(filename, fac->name, PATH_MAX - filename_size);
 	filename_size = strlen(filename);
 
+	if(fac->arch) {
+		strncat(filename, "_", PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+
+		strncat(filename, fac->arch, PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+	}
+
 	strncat(filename, ".h", PATH_MAX - filename_size);
 	filename_size = strlen(filename);
 	
@@ -1448,6 +2011,77 @@ int print_id_header(facility_t *fac)
 		return errno;
 	}
 
+	if(!fac->user) {
+		fprintf(fd, "#ifndef _LTT_FACILITY_ID_%s_H_\n",fac->capname);
+		fprintf(fd, "#define _LTT_FACILITY_ID_%s_H_\n\n",fac->capname);
+		fprintf(fd, "#ifdef CONFIG_LTT\n");
+
+		fprintf(fd,"#include <linux/ltt-facilities.h>\n\n");
+
+		fprintf(fd,"/****  facility handle  ****/\n\n");
+		fprintf(fd,"extern ltt_facility_t ltt_facility_%s_%X;\n",
+				fac->name, fac->checksum);
+		fprintf(fd,"extern ltt_facility_t ltt_facility_%s;\n\n\n",fac->name);
+
+		strncpy(basename, fac->name, PATH_MAX);
+		basename_len = strlen(basename);
+		strncat(basename, "_", PATH_MAX - basename_len);
+		basename_len++;
+		
+		fprintf(fd,"/****  event index  ****/\n\n");
+		fprintf(fd,"enum %s_event {\n",fac->name);
+		
+		for(unsigned int i = 0; i < fac->events.position; i++) {
+			event_t *event = (event_t*)fac->events.array[i];
+			strncpy(basename+basename_len, event->name, PATH_MAX-basename_len);
+			print_tabs(1, fd);
+			fprintf(fd, "event_%s,\n", basename);
+		}
+		print_tabs(1, fd);
+		fprintf(fd, "facility_%s_num_events\n", fac->name);
+		fprintf(fd, "};\n");
+		fprintf(fd, "\n");
+
+
+		fprintf(fd, "#endif //CONFIG_LTT\n");
+		fprintf(fd, "#endif //_LTT_FACILITY_ID_%s_H_\n",fac->capname);
+	} else {
+		fprintf(fd, "#ifndef _LTT_FACILITY_ID_%s_H_\n",fac->capname);
+		fprintf(fd, "#define _LTT_FACILITY_ID_%s_H_\n\n",fac->capname);
+		fprintf(fd, "#ifdef LTT_TRACE\n");
+
+		fprintf(fd,"#include <ltt/ltt-generic.h>\n\n");
+
+		fprintf(fd,"/****  facility handle  ****/\n\n");
+		fprintf(fd,"extern ltt_facility_t ltt_facility_%s_%X;\n",
+				fac->name, fac->checksum);
+		fprintf(fd,"extern ltt_facility_t ltt_facility_%s;\n\n\n",fac->name);
+
+		strncpy(basename, fac->name, PATH_MAX);
+		basename_len = strlen(basename);
+		strncat(basename, "_", PATH_MAX - basename_len);
+		basename_len++;
+		
+		fprintf(fd,"/****  event index  ****/\n\n");
+		fprintf(fd,"enum %s_event {\n",fac->name);
+		
+		for(unsigned int i = 0; i < fac->events.position; i++) {
+			event_t *event = (event_t*)fac->events.array[i];
+			strncpy(basename+basename_len, event->name, PATH_MAX-basename_len);
+			print_tabs(1, fd);
+			fprintf(fd, "event_%s,\n", basename);
+		}
+		print_tabs(1, fd);
+		fprintf(fd, "facility_%s_num_events\n", fac->name);
+		fprintf(fd, "};\n");
+		fprintf(fd, "\n");
+
+
+		fprintf(fd, "#endif //LTT_TRACE\n");
+		fprintf(fd, "#endif //_LTT_FACILITY_ID_%s_H_\n",fac->capname);
+	}
+
+
 	fclose(fd);
 
 	return 0;
@@ -1469,6 +2103,77 @@ int print_loader_header(facility_t *fac)
 	strncat(filename, fac->name, PATH_MAX - filename_size);
 	filename_size = strlen(filename);
 
+	if(fac->arch) {
+		strncat(filename, "_", PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+
+		strncat(filename, fac->arch, PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+	}
+
+	strncat(filename, ".h", PATH_MAX - filename_size);
+	filename_size = strlen(filename);
+	
+
+	fd = fopen(filename, "w");
+	if(fd == NULL) {
+		printf("Error opening file %s for writing : %s\n",
+				filename, strerror(errno));
+		return errno;
+	}
+
+  fprintf(fd, "#ifndef _LTT_FACILITY_LOADER_%s_H_\n", fac->capname);
+  fprintf(fd, "#define _LTT_FACILITY_LOADER_%s_H_\n\n", fac->capname);
+  fprintf(fd, "#ifdef CONFIG_LTT\n\n");
+  fprintf(fd,"#include <linux/ltt-facilities.h>\n");
+	if(!fac->arch)
+	  fprintf(fd,"#include <linux/ltt/ltt-facility-id-%s.h>\n\n",
+				fac->name);
+	else
+	  fprintf(fd,"#include <asm/ltt/ltt-facility-id-%s_%s.h>\n\n",
+				fac->name,
+				fac->arch);
+  fprintf(fd,"ltt_facility_t\tltt_facility_%s;\n", fac->name);
+  fprintf(fd,"ltt_facility_t\tltt_facility_%s_%X;\n\n",
+			fac->name, fac->checksum);
+
+  fprintf(fd,"#define LTT_FACILITY_SYMBOL\t\t\t\t\t\t\tltt_facility_%s\n",
+      fac->name);
+  fprintf(fd,"#define LTT_FACILITY_CHECKSUM_SYMBOL\t\tltt_facility_%s_%X\n",
+      fac->name, fac->checksum);
+  fprintf(fd,"#define LTT_FACILITY_CHECKSUM\t\t\t\t\t\t0x%X\n", fac->checksum);
+  fprintf(fd,"#define LTT_FACILITY_NAME\t\t\t\t\t\t\t\t\"%s\"\n", fac->name);
+  fprintf(fd,"#define LTT_FACILITY_NUM_EVENTS\t\t\t\t\tfacility_%s_num_events\n\n",
+			fac->name);
+  fprintf(fd, "#endif //CONFIG_LTT\n\n");
+  fprintf(fd, "#endif //_LTT_FACILITY_LOADER_%s_H_\n", fac->capname);
+
+	fclose(fd);
+
+	return 0;
+}
+
+int print_loader_header_user(facility_t *fac)
+{
+	char filename[PATH_MAX];
+	unsigned int filename_size = 0;
+	FILE *fd;
+	dprintf("%s\n", fac->name);
+
+	strcpy(filename, "ltt-facility-loader-");
+	filename_size = strlen(filename);
+	
+	strncat(filename, fac->name, PATH_MAX - filename_size);
+	filename_size = strlen(filename);
+
+	if(fac->arch) {
+		strncat(filename, "_", PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+
+		strncat(filename, fac->arch, PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+	}
+
 	strncat(filename, ".h", PATH_MAX - filename_size);
 	filename_size = strlen(filename);
 	
@@ -1480,12 +2185,38 @@ int print_loader_header(facility_t *fac)
 		return errno;
 	}
 
+  fprintf(fd, "#ifndef _LTT_FACILITY_LOADER_%s_H_\n", fac->capname);
+  fprintf(fd, "#define _LTT_FACILITY_LOADER_%s_H_\n\n", fac->capname);
+  fprintf(fd,"#include <ltt/ltt-generic.h>\n");
+	if(!fac->arch)
+	  fprintf(fd,"#include <ltt/ltt-facility-id-%s.h>\n\n",
+				fac->name);
+	else
+	  fprintf(fd,"#include <asm/ltt/ltt-facility-id-%s_%s.h>\n\n",
+				fac->name,
+				fac->arch);
+  fprintf(fd,"ltt_facility_t\tltt_facility_%s;\n", fac->name);
+  fprintf(fd,"ltt_facility_t\tltt_facility_%s_%X;\n\n",
+			fac->name, fac->checksum);
+
+  fprintf(fd,"#define LTT_FACILITY_SYMBOL\t\t\t\t\t\t\tltt_facility_%s\n",
+      fac->name);
+  fprintf(fd,"#define LTT_FACILITY_CHECKSUM_SYMBOL\t\tltt_facility_%s_%X\n",
+      fac->name, fac->checksum);
+  fprintf(fd,"#define LTT_FACILITY_CHECKSUM\t\t\t\t\t\t0x%X\n", fac->checksum);
+  fprintf(fd,"#define LTT_FACILITY_NAME\t\t\t\t\t\t\t\t\"%s\"\n", fac->name);
+  fprintf(fd,"#define LTT_FACILITY_NUM_EVENTS\t\t\t\t\tfacility_%s_num_events\n\n",
+			fac->name);
+  fprintf(fd, "#endif //_LTT_FACILITY_LOADER_%s_H_\n", fac->capname);
+
 	fclose(fd);
 
 	return 0;
 }
 
-/* ltt-facility-loader-name.c : generic faciilty loader
+
+
+/* ltt-facility-loader-name.c : generic facility loader
  * loader_c */
 int print_loader_c(facility_t *fac)
 {
@@ -1500,6 +2231,127 @@ int print_loader_c(facility_t *fac)
 	strncat(filename, fac->name, PATH_MAX - filename_size);
 	filename_size = strlen(filename);
 
+	if(fac->arch) {
+		strncat(filename, "_", PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+
+		strncat(filename, fac->arch, PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+	}
+
+	strncat(filename, ".c", PATH_MAX - filename_size);
+	filename_size = strlen(filename);
+	
+
+	fd = fopen(filename, "w");
+	if(fd == NULL) {
+		printf("Error opening file %s for writing : %s\n",
+				filename, strerror(errno));
+		return errno;
+	}
+
+  fprintf(fd, "/*\n");
+	if(!fac->arch)
+	  fprintf(fd, " * ltt-facility-loader-%s.c\n", fac->name);
+	else
+	  fprintf(fd, " * ltt-facility-loader-%s_%s.c\n", fac->name, fac->arch);
+  fprintf(fd, " *\n");
+  fprintf(fd, " * (C) Copyright  2005 - \n");
+  fprintf(fd, " *          Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)\n");
+  fprintf(fd, " *\n");
+  fprintf(fd, " * Contains the LTT facility loader.\n");
+  fprintf(fd, " *\n");
+  fprintf(fd, " */\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "#include <linux/ltt-facilities.h>\n");
+  fprintf(fd, "#include <linux/module.h>\n");
+  fprintf(fd, "#include <linux/init.h>\n");
+  fprintf(fd, "#include <linux/config.h>\n");
+	if(!fac->arch)
+  	fprintf(fd, "#include \"ltt-facility-loader-%s.h\"\n", fac->name);
+	else
+	  fprintf(fd, "#include \"ltt-facility-loader-%s_%s.h\"\n",
+				fac->name, fac->arch);
+  fprintf(fd, "\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "#ifdef CONFIG_LTT\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "EXPORT_SYMBOL(LTT_FACILITY_SYMBOL);\n");
+  fprintf(fd, "EXPORT_SYMBOL(LTT_FACILITY_CHECKSUM_SYMBOL);\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "static const char ltt_facility_name[] = LTT_FACILITY_NAME;\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "#define SYMBOL_STRING(sym) #sym\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "static struct ltt_facility facility = {\n");
+  fprintf(fd, "\t.name = ltt_facility_name,\n");
+  fprintf(fd, "\t.num_events = LTT_FACILITY_NUM_EVENTS,\n");
+  fprintf(fd, "\t.checksum = LTT_FACILITY_CHECKSUM,\n");
+  fprintf(fd, "\t.symbol = SYMBOL_STRING(LTT_FACILITY_SYMBOL),\n");
+  fprintf(fd, "};\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "static int __init facility_init(void)\n");
+  fprintf(fd, "{\n");
+  fprintf(fd, "\tprintk(KERN_INFO \"LTT : ltt-facility-%s init in kernel\\n\");\n", fac->name);
+  fprintf(fd, "\n");
+  fprintf(fd, "\tLTT_FACILITY_SYMBOL = ltt_facility_kernel_register(&facility);\n");
+  fprintf(fd, "\tLTT_FACILITY_CHECKSUM_SYMBOL = LTT_FACILITY_SYMBOL;\n");
+  fprintf(fd, "\t\n");
+  fprintf(fd, "\treturn LTT_FACILITY_SYMBOL;\n");
+  fprintf(fd, "}\n");
+  fprintf(fd, "__initcall(facility_init);\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "#ifndef MODULE\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "static void __exit facility_exit(void)\n");
+  fprintf(fd, "{\n");
+  fprintf(fd, "\tint err;\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "\terr = ltt_facility_unregister(LTT_FACILITY_SYMBOL);\n");
+  fprintf(fd, "\tif(err != 0)\n");
+  fprintf(fd, "\t\tprintk(KERN_ERR \"LTT : Error in unregistering facility.\\n\");\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "}\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "module_exit(facility_exit)\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "MODULE_LICENSE(\"GPL\");\n");
+  fprintf(fd, "MODULE_AUTHOR(\"Mathieu Desnoyers\");\n");
+  fprintf(fd, "MODULE_DESCRIPTION(\"Linux Trace Toolkit Facility\");\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "#endif //MODULE\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "#endif //CONFIG_LTT\n");
+
+	fclose(fd);
+
+	return 0;
+}
+
+int print_loader_c_user(facility_t *fac)
+{
+	char filename[PATH_MAX];
+	unsigned int filename_size = 0;
+	FILE *fd;
+	dprintf("%s\n", fac->name);
+
+	strcpy(filename, "ltt-facility-loader-");
+	filename_size = strlen(filename);
+	
+	strncat(filename, fac->name, PATH_MAX - filename_size);
+	filename_size = strlen(filename);
+
+	if(fac->arch) {
+		strncat(filename, "_", PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+
+		strncat(filename, fac->arch, PATH_MAX - filename_size);
+		filename_size = strlen(filename);
+	}
+
 	strncat(filename, ".c", PATH_MAX - filename_size);
 	filename_size = strlen(filename);
 	
@@ -1511,6 +2363,62 @@ int print_loader_c(facility_t *fac)
 		return errno;
 	}
 
+  fprintf(fd, "/*\n");
+	if(!fac->arch)
+	  fprintf(fd, " * ltt-facility-loader-%s.c\n", fac->name);
+	else
+	  fprintf(fd, " * ltt-facility-loader-%s_%s.c\n", fac->name, fac->arch);
+  fprintf(fd, " *\n");
+  fprintf(fd, " * (C) Copyright  2005 - \n");
+  fprintf(fd, " *          Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)\n");
+  fprintf(fd, " *\n");
+  fprintf(fd, " * Contains the LTT user space facility loader.\n");
+  fprintf(fd, " *\n");
+  fprintf(fd, " */\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "#define LTT_TRACE\n");
+  fprintf(fd, "#include <error.h>\n");
+  fprintf(fd, "#include <stdio.h>\n");
+  fprintf(fd, "#include <ltt/ltt-generic.h>\n");
+	if(!fac->arch)
+  	fprintf(fd, "#include \"ltt-facility-loader-%s.h\"\n", fac->name);
+	else
+	  fprintf(fd, "#include \"ltt-facility-loader-%s_%s.h\"\n",
+				fac->name, fac->arch);
+  fprintf(fd, "\n");
+  fprintf(fd, "static struct user_facility_info facility = {\n");
+  fprintf(fd, "\t.name = LTT_FACILITY_NAME,\n");
+  fprintf(fd, "\t.num_events = LTT_FACILITY_NUM_EVENTS,\n");
+  fprintf(fd, "#ifndef LTT_PACK\n");
+  fprintf(fd, "\t.alignment = sizeof(void*),\n");
+  fprintf(fd, "#else\n");
+  fprintf(fd, "\t.alignment = 0,\n");
+  fprintf(fd, "#endif //LTT_PACK\n");
+  fprintf(fd, "\t.checksum = LTT_FACILITY_CHECKSUM,\n");
+  fprintf(fd, "\t.int_size = sizeof(int),\n");
+  fprintf(fd, "\t.long_size = sizeof(long),\n");
+  fprintf(fd, "\t.pointer_size = sizeof(void*),\n");
+  fprintf(fd, "\t.size_t_size = sizeof(size_t)\n");
+  fprintf(fd, "};\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "static void __attribute__((constructor)) __ltt_user_init(void)\n");
+  fprintf(fd, "{\n");
+  fprintf(fd, "\tint err;\n");
+	fprintf(fd, "#ifdef LTT_SHOW_DEBUG\n");
+  fprintf(fd, "\tprintf(\"LTT : ltt-facility-%s init in userspace\\n\");\n", fac->name);
+	fprintf(fd, "#endif //LTT_SHOW_DEBUG\n");
+  fprintf(fd, "\n");
+  fprintf(fd, "\terr = ltt_register_generic(&LTT_FACILITY_SYMBOL, &facility);\n");
+  fprintf(fd, "\tLTT_FACILITY_CHECKSUM_SYMBOL = LTT_FACILITY_SYMBOL;\n");
+  fprintf(fd, "\t\n");
+  fprintf(fd, "\tif(err) {\n");
+	fprintf(fd, "#ifdef LTT_SHOW_DEBUG\n");
+  fprintf(fd, "\t\tperror(\"Error in ltt_register_generic\");\n");
+	fprintf(fd, "#endif //LTT_SHOW_DEBUG\n");
+  fprintf(fd, "\t}\n");
+  fprintf(fd, "}\n");
+  fprintf(fd, "\n");
 
 	fclose(fd);
 
@@ -1686,12 +2594,18 @@ int main(int argc, char **argv)
 	
 	/* ltt-facility-loader-name.h : facility specific loader info.
 	 * loader_header */
-	err = print_loader_header(fac);
+	if(!fac->user)
+		err = print_loader_header(fac);
+	else
+		err = print_loader_header_user(fac);
 	if(err)	return err;
 
 	/* ltt-facility-loader-name.c : generic faciilty loader
 	 * loader_c */
-	err = print_loader_c(fac);
+	if(!fac->user)
+		err = print_loader_c(fac);
+	else
+		err = print_loader_c_user(fac);
 	if(err)	return err;
 
 	/* close the facility */