100207b8b682eb587be03a5966bf644dbbc395e5
3 #include <linux/byteorder/swab.h>
4 #include <ltt/LTTTypes.h>
8 /*****************************************************************************
10 * ltt_event_refresh_fields : refresh fields of an event
12 * offsetRoot : offset from the root
13 * offsetParent : offset from the parrent
17 * int : size of the field
18 ****************************************************************************/
20 int ltt_event_refresh_fields(int offsetRoot
,int offsetParent
,
21 LttField
* fld
, void *evD
)
23 int size
, size1
, element_number
, i
, offset1
, offset2
;
24 LttType
* type
= fld
->field_type
;
26 if(type
->type_class
!= LTT_STRUCT
&& type
->type_class
!= LTT_ARRAY
&&
27 type
->type_class
!= LTT_SEQUENCE
&& type
->type_class
!= LTT_STRING
){
28 size
= fld
->field_size
;
29 }else if(type
->type_class
== LTT_ARRAY
){
30 element_number
= (int) type
->element_number
;
31 if(fld
->field_fixed
== 0){// has string or sequence
33 for(i
=0;i
<element_number
;i
++){
34 size
+= ltt_event_refresh_fields(offsetRoot
+size
,size
,
35 fld
->child
[0], evD
+size
);
37 }else size
= fld
->field_size
;
38 }else if(type
->type_class
== LTT_SEQUENCE
){
39 size1
= fld
->sequ_number_size
;
40 element_number
= getIntNumber(size1
,evD
);
41 type
->element_number
= element_number
;
42 if(fld
->element_size
> 0){
43 size
= element_number
* fld
->element_size
;
44 }else{//sequence has string or sequence
46 for(i
=0;i
<element_number
;i
++){
47 size
+= ltt_event_refresh_fields(offsetRoot
+size
+size1
,size
+size1
,
48 fld
->child
[0], evD
+size
+size1
);
52 }else if(type
->type_class
== LTT_STRING
){
53 size
= strlen((char*)evD
) + 1; //include end : '\0'
54 }else if(type
->type_class
== LTT_STRUCT
){
55 element_number
= (int) type
->element_number
;
56 if(fld
->field_fixed
== 0){
59 for(i
=0;i
<element_number
;i
++){
60 size
=ltt_event_refresh_fields(offset1
,offset2
,fld
->child
[i
],evD
+offset2
);
65 }else size
= fld
->field_size
;
68 fld
->offset_root
= offsetRoot
;
69 fld
->offset_parent
= offsetParent
;
70 fld
->fixed_root
= (offsetRoot
==-1) ? 0 : 1;
71 fld
->fixed_parent
= (offsetParent
==-1) ? 0 : 1;
72 fld
->field_size
= size
;
77 /*****************************************************************************
79 * ltt_event_eventtype_id: get event type id
80 * (base id + position of the event)
82 * e : an instance of an event type
84 * unsigned : event type id
85 ****************************************************************************/
87 unsigned ltt_event_eventtype_id(LttEvent
*e
)
89 return (unsigned) e
->event_id
;
92 /*****************************************************************************
94 * ltt_event_facility : get the facility of the event
96 * e : an instance of an event type
98 * LttFacility * : the facility of the event
99 ****************************************************************************/
101 LttFacility
*ltt_event_facility(LttEvent
*e
)
103 LttTrace
* trace
= e
->tracefile
->trace
;
104 unsigned id
= e
->event_id
;
105 return ltt_trace_facility_by_id(trace
,id
);
108 /*****************************************************************************
110 * ltt_event_eventtype : get the event type of the event
112 * e : an instance of an event type
114 * LttEventType * : the event type of the event
115 ****************************************************************************/
117 LttEventType
*ltt_event_eventtype(LttEvent
*e
)
119 LttFacility
* facility
= ltt_event_facility(e
);
120 if(!facility
) return NULL
;
121 return facility
->events
[e
->event_id
- facility
->base_id
];
124 /*****************************************************************************
126 * ltt_event_field : get the root field of the event
128 * e : an instance of an event type
130 * LttField * : the root field of the event
131 ****************************************************************************/
133 LttField
*ltt_event_field(LttEvent
*e
)
136 LttEventType
* event_type
= ltt_event_eventtype(e
);
137 if(!event_type
) return NULL
;
138 field
= event_type
->root_field
;
140 //check if the field need refresh
141 if(e
->which_block
!= event_type
->latest_block
||
142 e
->which_event
!= event_type
->latest_event
){
144 event_type
->latest_block
= e
->which_block
;
145 event_type
->latest_event
= e
->which_event
;
147 if(field
->field_fixed
== 1)return field
;
150 ltt_event_refresh_fields(0, 0, field
, e
->data
);
155 /*****************************************************************************
157 * ltt_event_time : get the time of the event
159 * e : an instance of an event type
161 * LttTime : the time of the event
162 ****************************************************************************/
164 LttTime
ltt_event_time(LttEvent
*e
)
166 return e
->event_time
;
169 /*****************************************************************************
171 * ltt_event_time : get the cycle count of the event
173 * e : an instance of an event type
175 * LttCycleCount : the cycle count of the event
176 ****************************************************************************/
178 LttCycleCount
ltt_event_cycle_count(LttEvent
*e
)
180 return e
->event_cycle_count
;
183 /*****************************************************************************
185 * ltt_event_cpu_i: get the cpu id where the event happens
187 * e : an instance of an event type
189 * unsigned : the cpu id
190 ****************************************************************************/
192 unsigned ltt_event_cpu_id(LttEvent
*e
)
194 return (unsigned)atoi(e
->tracefile
->name
);
197 /*****************************************************************************
199 * ltt_event_data : get the raw data for the event
201 * e : an instance of an event type
203 * void * : pointer to the raw data for the event
204 ****************************************************************************/
206 void *ltt_event_data(LttEvent
*e
)
211 /*****************************************************************************
213 * ltt_event_field_element_number
214 * : The number of elements in a sequence field is specific
215 * to each event. This function returns the number of
216 * elements for an array or sequence field in an event.
218 * e : an instance of an event type
219 * f : a field of the instance
221 * unsigned : the number of elements for an array/sequence field
222 ****************************************************************************/
224 unsigned ltt_event_field_element_number(LttEvent
*e
, LttField
*f
)
226 if(f
->field_type
->type_class
!= LTT_ARRAY
&&
227 f
->field_type
->type_class
!= LTT_SEQUENCE
)
230 if(f
->field_type
->type_class
== LTT_ARRAY
)
231 return f
->field_type
->element_number
;
232 return (unsigned) getIntNumber(f
->sequ_number_size
, e
+ f
->offset_root
);
235 /*****************************************************************************
237 * ltt_event_field_element_select
238 * : Set the currently selected element for a sequence or
241 * e : an instance of an event type
242 * f : a field of the instance
243 * i : the ith element
244 ****************************************************************************/
246 void ltt_event_field_element_select(LttEvent
*e
, LttField
*f
, unsigned i
)
248 unsigned element_number
;
253 if(f
->field_type
->type_class
!= LTT_ARRAY
&&
254 f
->field_type
->type_class
!= LTT_SEQUENCE
)
257 element_number
= ltt_event_field_element_number(e
,f
);
258 if((element_number
-1) < i
|| i
< 0) return;
262 evD
= e
->data
+ f
->offset_root
;
265 size
+= ltt_event_refresh_fields(f
->offset_root
+size
,size
, fld
, evD
+size
);
268 f
->current_element
= i
- 1;
271 /*****************************************************************************
272 * These functions extract data from an event after architecture specific
274 ****************************************************************************/
276 unsigned ltt_event_get_unsigned(LttEvent
*e
, LttField
*f
)
278 LttArchSize rSize
= e
->tracefile
->trace
->system_description
->size
;
279 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
280 e
->tracefile
->trace
->system_description
->endian
? 0:1;
281 LttTypeEnum t
= f
->field_type
->type_class
;
283 if(t
!= LTT_UINT
&& t
!= LTT_ENUM
)
284 g_error("The type of the field is not unsigned int\n");
286 if(rSize
== LTT_LP32
){
287 if(f
->field_size
!= 2)
288 g_error("The type of the field is not unsigned int: uint16_t\n");
290 uint16_t x
= *(uint16_t *)(e
->data
+ f
->offset_root
);
291 return (unsigned) (revFlag
? BREV16(x
) : x
);
293 }else if(rSize
== LTT_ILP32
|| rSize
== LTT_LP64
){
294 if(f
->field_size
!= 4)
295 g_error("The type of the field is not unsigned int: uint32_t\n");
297 uint32_t x
= *(uint32_t *)(e
->data
+ f
->offset_root
);
298 return (unsigned) (revFlag
? BREV32(x
): x
);
300 }else if(rSize
== LTT_ILP64
){
301 if(f
->field_size
!= 8)
302 g_error("The type of the field is not unsigned int: uint64_t\n");
304 uint64_t x
= *(uint64_t *)(e
->data
+ f
->offset_root
);
305 return (unsigned) (revFlag
? BREV64(x
): x
);
310 int ltt_event_get_int(LttEvent
*e
, LttField
*f
)
312 LttArchSize rSize
= e
->tracefile
->trace
->system_description
->size
;
313 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
314 e
->tracefile
->trace
->system_description
->endian
? 0:1;
316 if(f
->field_type
->type_class
!= LTT_INT
)
317 g_error("The type of the field is not int\n");
319 if(rSize
== LTT_LP32
){
320 if(f
->field_size
!= 2)
321 g_error("The type of the field is not int: int16_t\n");
323 int16_t x
= *(int16_t *)(e
->data
+ f
->offset_root
);
324 return (int) (revFlag
? BREV16(x
) : x
);
326 }else if(rSize
== LTT_ILP32
|| rSize
== LTT_LP64
){
327 if(f
->field_size
!= 4)
328 g_error("The type of the field is not int: int32_t\n");
330 int32_t x
= *(int32_t *)(e
->data
+ f
->offset_root
);
331 return (int) (revFlag
? BREV32(x
): x
);
333 }else if(rSize
== LTT_ILP64
){
334 if(f
->field_size
!= 8)
335 g_error("The type of the field is not int: int64_t\n");
337 int64_t x
= *(int64_t *)(e
->data
+ f
->offset_root
);
338 return (int) (revFlag
? BREV64(x
): x
);
343 unsigned long ltt_event_get_long_unsigned(LttEvent
*e
, LttField
*f
)
345 LttArchSize rSize
= e
->tracefile
->trace
->system_description
->size
;
346 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
347 e
->tracefile
->trace
->system_description
->endian
? 0:1;
348 LttTypeEnum t
= f
->field_type
->type_class
;
350 if(t
!= LTT_UINT
&& t
!= LTT_ENUM
)
351 g_error("The type of the field is not unsigned long\n");
353 if(rSize
== LTT_LP32
|| rSize
== LTT_ILP32
){
354 if(f
->field_size
!= 4)
355 g_error("The type of the field is not unsigned long: uint32_t\n");
357 uint32_t x
= *(uint32_t *)(e
->data
+ f
->offset_root
);
358 return (unsigned long) (revFlag
? BREV32(x
) : x
);
360 }else if(rSize
== LTT_LP64
|| rSize
== LTT_ILP64
){
361 if(f
->field_size
!= 8)
362 g_error("The type of the field is not unsigned long: uint64_t\n");
364 uint64_t x
= *(uint64_t *)(e
->data
+ f
->offset_root
);
365 return (unsigned long) (revFlag
? BREV64(x
): x
);
370 long int ltt_event_get_long_int(LttEvent
*e
, LttField
*f
)
372 LttArchSize rSize
= e
->tracefile
->trace
->system_description
->size
;
373 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
374 e
->tracefile
->trace
->system_description
->endian
? 0:1;
376 if( f
->field_type
->type_class
!= LTT_INT
)
377 g_error("The type of the field is not long int\n");
379 if(rSize
== LTT_LP32
|| rSize
== LTT_ILP32
){
380 if(f
->field_size
!= 4)
381 g_error("The type of the field is not long int: int32_t\n");
383 int32_t x
= *(int32_t *)(e
->data
+ f
->offset_root
);
384 return (long) (revFlag
? BREV32(x
) : x
);
386 }else if(rSize
== LTT_LP64
|| rSize
== LTT_ILP64
){
387 if(f
->field_size
!= 8)
388 g_error("The type of the field is not long int: int64_t\n");
390 int64_t x
= *(int64_t *)(e
->data
+ f
->offset_root
);
391 return (long) (revFlag
? BREV64(x
): x
);
396 float ltt_event_get_float(LttEvent
*e
, LttField
*f
)
398 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
399 e
->tracefile
->trace
->system_description
->endian
? 0:1;
401 if(f
->field_type
->type_class
!= LTT_FLOAT
||
402 (f
->field_type
->type_class
== LTT_FLOAT
&& f
->field_size
!= 4))
403 g_error("The type of the field is not float\n");
405 if(revFlag
== 0) return *(float *)(e
->data
+ f
->offset_root
);
408 memcpy((void*)&aInt
, e
->data
+ f
->offset_root
, 4);
409 aInt
= ___swab32(aInt
);
410 return *((float*)&aInt
);
414 double ltt_event_get_double(LttEvent
*e
, LttField
*f
)
416 int revFlag
= e
->tracefile
->trace
->my_arch_endian
==
417 e
->tracefile
->trace
->system_description
->endian
? 0:1;
419 if(f
->field_type
->type_class
!= LTT_FLOAT
||
420 (f
->field_type
->type_class
== LTT_FLOAT
&& f
->field_size
!= 8))
421 g_error("The type of the field is not double\n");
423 if(revFlag
== 0) return *(double *)(e
->data
+ f
->offset_root
);
426 memcpy((void*)&aInt
, e
->data
+ f
->offset_root
, 8);
427 aInt
= ___swab64(aInt
);
428 return *((double *)&aInt
);
432 /*****************************************************************************
433 * The string obtained is only valid until the next read from
434 * the same tracefile.
435 ****************************************************************************/
437 char *ltt_event_get_string(LttEvent
*e
, LttField
*f
)
439 if(f
->field_type
->type_class
!= LTT_STRING
)
440 g_error("The field contains no string\n");
441 return (char*)g_strdup((char*)(e
->data
+ f
->offset_root
));
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