fprintf(fd, "%s", floatOutputTypes[getSizeindex(td->size)]);
break;
case POINTER:
- fprintf(fd, "void *");
+ fprintf(fd, "const void *");
break;
case LONG:
fprintf(fd, "long");
fprintf(fd, "off_t");
break;
case STRING:
- fprintf(fd, "char *");
+ fprintf(fd, "const char *");
break;
case ENUM:
fprintf(fd, "enum lttng_%s", basename);
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");
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);
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");
fd, tabs, basename, "")) return 1;
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");
* (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;
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;
}
* (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);
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:
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;\n");
- 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");
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);
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");
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");
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");
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");
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;
}
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);
case STRUCT:
case UNION:
case ARRAY:
+ case STRING:
break;
default:
- printf("print_type_write_fct : type has no write function.\n");
+ dprintf("print_type_write_fct : type has no write function.\n");
return 0;
break;
}
case ARRAY:
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");
break;
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);
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) {
print_tabs(1, fd);
fprintf(fd, "align = ");
- if(print_type_alignment(td, fd, 0, basename, field_name)) return 1;
+ if(print_type_alignment(td, fd, 0, basename, "", "obj")) return 1;
fprintf(fd, ";\n");
fprintf(fd, "\n");
print_tabs(1, fd);
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);
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");
}
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);
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;
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");
}
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");
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_base = &real_to_base;\n");
print_tabs(1, fd);
- fprintf(fd, "size_t to = 0;\n");
+ fprintf(fd, "size_t real_to = 0;\n");
print_tabs(1, fd);
- fprintf(fd, "void *from;");
+ fprintf(fd, "size_t *to = &real_to;\n");
print_tabs(1, fd);
- fprintf(fd, "size_t len = 0;\n");
+ 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);
- fprintf(fd, "cycles_t tsc;\n");
+
+ 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, size_t after_hdr_pad;\n");
+ fprintf(fd, "size_t before_hdr_pad, after_hdr_pad, header_size;\n");
fprintf(fd, "\n");
print_tabs(1, fd);
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\n");
print_tabs(1, fd);
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 = <tng_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");
- print_tabs(1, fd);
- fprintf(fd, "to_base = to = len = 0;\n");
- fprintf(fd, "\n");
+ 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). */
print_tabs(1, fd);
fprintf(fd,
"index = ltt_get_index_from_facility(ltt_facility_%s_%X,\n"\
- "\t\t\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");
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");
print_tabs(3, fd);
fprintf(fd, "reserve_size, &slot_size, &tsc,\n");
print_tabs(3, fd);
- fprintf(fd, "&before_hdr_pad, &after_hdr_pad);\n");
+ 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(2, fd);
switch(type->type) {
case ARRAY:
case STRUCT:
case STRING:
- fprintf(fd, "from = %s;\n", field->name);
+ fprintf(fd, "*from = lttng_param_%s;\n", field->name);
break;
default:
- fprintf(fd, "from = &%s;\n", field->name);
+ fprintf(fd, "*from = <tng_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");
/* 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");
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;
}
-
-/* ltt-facility-name.h : main logging header.
- * log_header */
-
-void print_log_header_head(facility_t *fac, FILE *fd)
+/* print_event_logging_function_user_generic
+ * Print the logging function of an event for userspace tracing. This is the
+ * core of genevent */
+int print_event_logging_function_user_generic(char *basename, facility_t *fac,
+ event_t *event, 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, "\n");
- fprintf(fd, "/* Facility activation at compile time. */\n");
- fprintf(fd, "#ifdef CONFIG_LTT_FACILITY_%s\n\n", fac->capname);
-}
-
+ char *attrib;
-
-int print_log_header_types(facility_t *fac, FILE *fd)
-{
- sequence_t *types = &fac->named_types.values;
- fprintf(fd, "/* Named types */\n");
- fprintf(fd, "\n");
+ fprintf(fd, "#ifndef LTT_TRACE_FAST\n");
- 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;
- /* 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;
+ if(event->no_instrument_function) {
+ attrib = "__attribute__((no_instrument_function)) ";
+ } else {
+ attrib = "";
}
- return 0;
-}
-
-int print_log_header_events(facility_t *fac, FILE *fd)
-{
- sequence_t *events = &fac->events;
- char basename[PATH_MAX];
- unsigned int facname_len;
-
- strncpy(basename, fac->name, PATH_MAX);
- facname_len = strlen(basename);
- strncat(basename, "_", PATH_MAX-facname_len);
- facname_len = strlen(basename);
+ if(event->param_buffer) {
+ fprintf(fd, "static inline %sint trace_%s_param_buffer(\n", attrib, basename);
+ } else {
+ fprintf(fd, "static inline %sint trace_%s(\n",attrib, basename);
+ }
+ int has_argument = 0;
+ int has_type_fixed = 0;
- for(unsigned int i = 0; i < events->position; i++) {
- event_t *event = (event_t*)events->array[i];
- strncpy(&basename[facname_len], event->name, PATH_MAX-facname_len);
-
- /* For each event, print structure, and then logging function */
- fprintf(fd, "/* Event %s structures */\n",
- event->name);
- for(unsigned int j = 0; j < event->fields.position; j++) {
- /* 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(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 = <tng_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 = <tng_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");
+ fprintf(fd, "#endif //!LTT_TRACE_FAST\n\n");
+
+ return 0;
+}
+
+/* print_event_logging_function_user_fast
+ * Print the logging function of an event for userspace tracing. This is the
+ * core of genevent */
+int print_event_logging_function_user_fast(char *basename, facility_t *fac,
+ event_t *event, FILE *fd)
+{
+ char *attrib;
+
+ fprintf(fd, "#ifdef LTT_TRACE_FAST\n");
+
+ if(event->no_instrument_function) {
+ attrib = "__attribute__((no_instrument_function)) ";
+ } else {
+ attrib = "";
+ }
+ fprintf(fd, "static inline %sint trace_%s(\n",attrib, basename);
+
+ int has_argument = 0;
+ int has_type_fixed = 0;
+
+ 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, "unsigned int index;\n");
+ print_tabs(1, fd);
+ fprintf(fd, "struct ltt_trace_info *trace = thread_trace_info;\n");
+ print_tabs(1, fd);
+ fprintf(fd, "struct ltt_buf *ltt_buf;\n");
+ 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);
+ }
+ fprintf(fd, "uint64_t 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);
+ fprintf(fd, "if(!trace) {\n");
+ print_tabs(2, fd);
+ fprintf(fd, "ltt_thread_init();\n");
+ print_tabs(2, fd);
+ fprintf(fd, "trace = thread_trace_info;\n");
+ print_tabs(1, fd);
+ fprintf(fd, "}\n\n");
+ fprintf(fd, "\n");
+
+ /* 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 = <tng_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, "trace->nesting++;\n");
+
+ /* Get facility index */
+
+ print_tabs(1, fd);
+ fprintf(fd,
+ "index = ltt_get_index_from_facility(ltt_facility_%s_%X,\n"\
+ "\t\t\t\t\t\tevent_%s_%s);\n",
+ fac->name, fac->checksum, fac->name, event->name);
+ fprintf(fd,"\n");
+
+
+ print_tabs(1, fd);
+ fprintf(fd, "{\n");
+
+ if(event->per_trace) {
+ print_tabs(2, fd);
+ fprintf(fd, "if(dest_trace != trace) continue;\n\n");
+ }
+
+ print_tabs(2, fd);
+ fprintf(fd, "ltt_buf = ltt_get_channel_from_index(trace, index);\n");
+ print_tabs(2, fd);
+
+
+ /* Relay reserve */
+ /* If error, increment event lost counter (done by ltt_reserve_slot) and
+ * return */
+ print_tabs(2, fd);
+ fprintf(fd, "slot_size = 0;\n");
+ print_tabs(2, fd);
+ fprintf(fd, "buffer = ltt_reserve_slot(trace, ltt_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) goto end; /* 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, ltt_buf, 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. */
+
+ 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 = <tng_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");
+ }
+
+
+ /* commit */
+ // for DEBUG only.
+ //fprintf(fd, "commit:\n"); /* DEBUG! */
+ print_tabs(2, fd);
+ fprintf(fd, "ltt_commit_slot(ltt_buf, buffer, slot_size);\n\n");
+
+ fprintf(fd, "}\n\n");
+
+ fprintf(fd, "end:\n");
+ /* Release locks */
+ print_tabs(1, fd);
+ fprintf(fd, "trace->nesting--;\n");
+
+
+ fprintf(fd, "}\n");
+ fprintf(fd,
+ "#endif //LTT_TRACE\n");
+ fprintf(fd, "#endif //LTT_TRACE_FAST\n");
+
+ return 0;
+}
+
+
+
+
+
+
+/* ltt-facility-name.h : main logging header.
+ * log_header */
+
+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");
+}
+
+/* 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)
+{
+ sequence_t *types = &fac->named_types.values;
+ fprintf(fd, "/* Named types */\n");
+ fprintf(fd, "\n");
+
+ 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;
+ /* 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;
+}
+
+int print_log_header_events(facility_t *fac, FILE *fd)
+{
+ sequence_t *events = &fac->events;
+ char basename[PATH_MAX];
+ unsigned int facname_len;
+
+ strncpy(basename, fac->name, PATH_MAX);
+ facname_len = strlen(basename);
+ strncat(basename, "_", PATH_MAX-facname_len);
+ facname_len = strlen(basename);
+
+ for(unsigned int i = 0; i < events->position; i++) {
+ event_t *event = (event_t*)events->array[i];
+ strncpy(&basename[facname_len], event->name, PATH_MAX-facname_len);
+
+ /* For each event, print structure, and then logging function */
+ fprintf(fd, "/* Event %s structures */\n",
+ event->name);
+ for(unsigned int j = 0; j < event->fields.position; j++) {
+ /* 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((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;
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_generic(basename, fac, event, fd))
+ return 1;
+ if(print_event_logging_function_user_fast(basename, fac, event, fd))
+ return 1;
+ }
fprintf(fd, "\n");
}
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);
}
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);
}
/* 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;
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);
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-");
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);
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;
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);
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;
}
-/* ltt-facility-loader-name.c : generic faciilty loader
+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);
+
+
+ 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,"#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 facility loader
* loader_c */
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);
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(<T_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);
/* 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 */