#include <ltt/trace.h>
#include <ltt/ltt-types.h>
+
+
+void compute_fields_offsets(LttTracefile *tf,
+ LttFacility *fac, LttField *field, off_t *offset, void *root);
+
+
LttEvent *ltt_event_new()
{
return g_new(LttEvent, 1);
return &g_array_index(facility->events, LttEventType, e->event_id);
}
-/*****************************************************************************
- *Function name
- * ltt_event_field : get the root field of the event
- *Input params
- * e : an instance of an event type
- * name : field name
- *Return value
- * LttField * : The requested field, or NULL
- ****************************************************************************/
-
-LttField *ltt_event_field(LttEvent *e, GQuark name)
-{
- LttField * field;
- LttEventType * event_type = ltt_event_eventtype(e);
- if(unlikely(!event_type)) return NULL;
-
- return (LttField*)g_datalist_id_get_data(&event_type->fields_by_name, name);
-
-}
/*****************************************************************************
*Function name
****************************************************************************/
guint64 ltt_event_field_element_number(LttEvent *e, LttField *f)
{
- if(f->field_type->type_class != LTT_ARRAY &&
- f->field_type->type_class != LTT_SEQUENCE)
+ if(f->field_type.type_class != LTT_ARRAY &&
+ f->field_type.type_class != LTT_SEQUENCE)
return 0;
- if(f->field_type->type_class == LTT_ARRAY)
- return f->field_type->size;
- return ltt_get_long_unsigned(e, &g_array_index(f->fields, LttField, 0));
+ if(f->field_type.type_class == LTT_ARRAY)
+ return f->field_type.size;
+ return ltt_event_get_long_unsigned(e, &g_array_index(f->field_type.fields,
+ LttField, 0));
}
/*****************************************************************************
LttEventType *event_type;
off_t new_offset;
- if(f->field_type->type_class != LTT_ARRAY &&
- f->field_type->type_class != LTT_SEQUENCE)
- return ;
+ if(f->field_type.type_class != LTT_ARRAY &&
+ f->field_type.type_class != LTT_SEQUENCE)
+ return NULL;
element_number = ltt_event_field_element_number(e,f);
event_type = ltt_event_eventtype(e);
/* Sanity check for i : 0..n-1 only, and must be lower or equal element_number
*/
- if(i >= element_number) return;
+ if(i >= element_number) return NULL;
- if(f->field_type->type_class == LTT_ARRAY) {
- field = &g_array_index(f->fields, LttField, 0);
+ if(f->field_type.type_class == LTT_ARRAY) {
+ field = &g_array_index(f->field_type.fields, LttField, 0);
} else {
- field = &g_array_index(f->fields, LttField, 1);
+ field = &g_array_index(f->field_type.fields, LttField, 1);
}
if(field->field_size != 0) {
if(f->array_offset + (i * field->field_size) == field->offset_root)
- return; /* fixed length child, already at the right offset */
+ return field; /* fixed length child, already at the right offset */
else
new_offset = f->array_offset + (i * field->field_size);
} else {
/* Var. len. child */
new_offset = g_array_index(f->dynamic_offsets, off_t, i);
}
- compute_fields_offsets(e->tracefile, field, new_offset);
+ compute_fields_offsets(e->tracefile,
+ ltt_event_facility(e), field, &new_offset, e->data);
return field;
}
+
+off_t ltt_event_field_offset(LttEvent *e, LttField *f)
+{
+ return f->offset_root;
+}
+
+
+
/*****************************************************************************
* These functions extract data from an event after architecture specific
* conversions
{
gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
- LttTypeEnum t = f->field_type->type_class;
-
- g_assert(t == LTT_UINT || t == LTT_ENUM);
+ LttTypeEnum t = f->field_type.type_class;
if(f->field_size == 1){
guint8 x = *(guint8 *)(e->data + f->offset_root);
{
gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
- g_assert(f->field_type->type_class == LTT_INT);
-
if(f->field_size == 1){
gint8 x = *(gint8 *)(e->data + f->offset_root);
return (gint32) x;
{
gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
- LttTypeEnum t = f->field_type->type_class;
-
- g_assert(t == LTT_UINT || t == LTT_ENUM
- || t == LTT_ULONG || LTT_SIZE_T || LTT_OFF_T || LTT_POINTER);
+ LttTypeEnum t = f->field_type.type_class;
if(f->field_size == 1){
guint8 x = *(guint8 *)(e->data + f->offset_root);
// e->tracefile->trace->system_description->endian ? 0:1;
gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
- g_assert( f->field_type->type_class == LTT_INT
- || f->field_type->type_class == LTT_LONG
- || f->field_type->type_class == LTT_SSIZE_T);
-
if(f->field_size == 1){
gint8 x = *(gint8 *)(e->data + f->offset_root);
return (gint64) x;
g_assert(LTT_HAS_FLOAT(e->tracefile));
gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile);
- g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4);
+ g_assert(f->field_type.type_class == LTT_FLOAT && f->field_size == 4);
if(reverse_byte_order == 0) return *(float *)(e->data + f->offset_root);
else{
g_assert(LTT_HAS_FLOAT(e->tracefile));
gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile);
- g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8);
+ if(f->field_size == 4)
+ return ltt_event_get_float(e, f);
+
+ g_assert(f->field_type.type_class == LTT_FLOAT && f->field_size == 8);
if(reverse_byte_order == 0) return *(double *)(e->data + f->offset_root);
else {
****************************************************************************/
char *ltt_event_get_string(LttEvent *e, LttField *f)
{
- g_assert(f->field_type->type_class == LTT_STRING);
+ g_assert(f->field_type.type_class == LTT_STRING);
return (gchar*)g_strdup((gchar*)(e->data + f->offset_root));
}
g_assert(field->fixed_size == FIELD_FIXED);
size = field->field_size;
align = ltt_align(field->offset_root,
- size, event_type->facility->has_alignment);
+ size, event_type->facility->alignment);
field->offset_root += align;
field->offset_parent += align;
size += align;
*Function name
* compute_fields_offsets : set the precomputable offset of the fields
*Input params
- * tf : tracefile
+ * fac : facility
* field : the field
* offset : pointer to the current offset, must be incremented
****************************************************************************/
-void compute_fields_offsets(LttTracefile *tf, LttField *field, off_t *offset,
- void *root)
+void compute_fields_offsets(LttTracefile *tf,
+ LttFacility *fac, LttField *field, off_t *offset, void *root)
{
- type = &field->field_type;
+ LttType *type = &field->field_type;
switch(type->type_class) {
case LTT_INT_FIXED:
case LTT_ENUM:
if(field->fixed_root == FIELD_VARIABLE) {
/* Align offset on type size */
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
/* Increment offset */
*offset += field->field_size;
+ } else {
+ //g_debug("type before offset : %llu %llu %u\n", *offset,
+ // field->offset_root,
+ // field->field_size);
+ *offset = field->offset_root;
+ *offset += field->field_size;
+ //g_debug("type after offset : %llu\n", *offset);
}
- /* None of these types has variable size, so we are sure that if
- * this element has a fixed_root, then the following one will have
- * a fixed root too, so it does not need the *offset at all.
- */
break;
case LTT_STRING:
if(field->fixed_root == FIELD_VARIABLE) {
field->offset_root = *offset;
}
*offset += strlen((gchar*)(root+*offset)) + 1;
+ /* Realign the data */
+ *offset += ltt_align(*offset, fac->pointer_size,
+ fac->alignment);
break;
case LTT_ARRAY:
g_assert(type->fields->len == 1);
off_t local_offset;
LttField *child = &g_array_index(type->fields, LttField, 0);
if(field->fixed_root == FIELD_VARIABLE) {
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
field->array_offset = *offset;
0);
for(i=0; i<type->size; i++) {
g_array_append_val(field->dynamic_offsets, *offset);
- compute_fields_offsets(tf, child, offset);
+ compute_fields_offsets(tf, fac, child, offset, root);
}
}
// local_offset = field->array_offset;
// /* Set the offset at position 0 */
- // compute_fields_offsets(tf, child, &local_offset);
- break;
+ // compute_fields_offsets(tf, fac, child, &local_offset, root);
+ }
+ break;
case LTT_SEQUENCE:
g_assert(type->fields->len == 2);
{
off_t local_offset;
LttField *child;
guint i;
+ guint num_elem;
if(field->fixed_root == FIELD_VARIABLE) {
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
child = &g_array_index(type->fields, LttField, 0);
- compute_fields_offsets(tf, child, offset);
+ compute_fields_offsets(tf, fac, child, offset, root);
child = &g_array_index(type->fields, LttField, 1);
- *offset += ltt_align(*offset, get_alignment(tf, child),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(child),
+ fac->alignment);
field->array_offset = *offset;
} else {
*offset = field->array_offset;
field->dynamic_offsets = g_array_set_size(field->dynamic_offsets,
0);
- for(i=0; i<ltt_event_field_element_number(&tf->event, field); i++) {
+ num_elem = ltt_event_field_element_number(&tf->event, field);
+ for(i=0; i<num_elem; i++) {
g_array_append_val(field->dynamic_offsets, *offset);
- compute_fields_offsets(tf, child, offset);
+ compute_fields_offsets(tf, fac, child, offset, root);
}
+ g_assert(num_elem == field->dynamic_offsets->len);
+
+ /* Realign the data */
+ *offset += ltt_align(*offset, fac->pointer_size,
+ fac->alignment);
+
// local_offset = field->array_offset;
// /* Set the offset at position 0 */
- // compute_fields_offsets(tf, child, &local_offset);
+ // compute_fields_offsets(tf, fac, child, &local_offset, root);
}
break;
case LTT_STRUCT:
guint i;
gint ret=0;
if(field->fixed_root == FIELD_VARIABLE) {
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(fac, field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
} else {
}
for(i=0; i<type->fields->len; i++) {
child = &g_array_index(type->fields, LttField, i);
- compute_fields_offsets(tf, child, offset);
+ compute_fields_offsets(tf, fac, child, offset, root);
}
}
break;
guint i;
gint ret=0;
if(field->fixed_root == FIELD_VARIABLE) {
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
}
for(i=0; i<type->fields->len; i++) {
*offset = field->offset_root;
child = &g_array_index(type->fields, LttField, i);
- compute_fields_offsets(tf, child, offset);
+ compute_fields_offsets(tf, fac, child, offset, root);
}
*offset = field->offset_root + field->field_size;
}
* event : event type
*
****************************************************************************/
-void compute_offsets(LttTracefile *tf, LttEventType *event, size_t *offset,
- void *root)
+void compute_offsets(LttTracefile *tf, LttFacility *fac,
+ LttEventType *event, off_t *offset, void *root)
{
guint i;
- gint ret;
/* compute all variable offsets */
for(i=0; i<event->fields->len; i++) {
+ //g_debug("computing offset %u of %u\n", i, event->fields->len-1);
LttField *field = &g_array_index(event->fields, LttField, i);
- ret = compute_fields_offsets(tf, field, offset, root);
- if(ret) break;
+ compute_fields_offsets(tf, fac, field, offset, root);
}
}
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