+/* This file is part of the Linux Trace Toolkit viewer
+ * Copyright (C) 2003-2004 Xiangxiu Yang
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License Version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <glib.h>
+
#include <asm/types.h>
#include <linux/byteorder/swab.h>
-#include <ltt/LTTTypes.h>
+
#include "parser.h"
+#include <ltt/ltt.h>
+#include "ltt-private.h"
#include <ltt/event.h>
+#include <ltt/trace.h>
+#include <ltt/ltt-types.h>
+
+LttEvent *ltt_event_new()
+{
+ return g_new(LttEvent, 1);
+}
+void ltt_event_destroy(LttEvent *event)
+{
+ g_free(event);
+}
+
+
+#if 0
+/* Use get_field_type_size instead */
/*****************************************************************************
*Function name
* ltt_event_refresh_fields : refresh fields of an event
*Input params
* offsetRoot : offset from the root
- * offsetParent : offset from the parrent
+ * offsetParent : offset from the parent
* fld : field
* evD : event data
+ * reverse_byte_order : 1 or 0
*Return value
* int : size of the field
****************************************************************************/
int ltt_event_refresh_fields(int offsetRoot,int offsetParent,
- LttField * fld, void *evD)
+ LttField * fld, void *evD, gboolean reverse_byte_order)
{
int size, size1, element_number, i, offset1, offset2;
LttType * type = fld->field_type;
+ switch(type->type_class) {
+ case LTT_ARRAY:
+ element_number = (int) type->element_number;
+ if(fld->field_fixed == 0){// has string or sequence
+ size = 0;
+ for(i=0;i<element_number;i++){
+ size += ltt_event_refresh_fields(offsetRoot+size,size,
+ fld->child[0], evD+size, reverse_byte_order);
+ }
+ }else size = fld->field_size;
+ break;
+
+ case LTT_SEQUENCE:
+ size1 = fld->sequ_number_size;
+ element_number = getIntNumber(reverse_byte_order,size1,evD);
+ type->element_number = element_number;
+ if(fld->element_size > 0){
+ size = element_number * fld->element_size;
+ }else{//sequence has string or sequence
+ size = 0;
+ for(i=0;i<element_number;i++){
+ size += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1,
+ fld->child[0], evD+size+size1, reverse_byte_order);
+ }
+ size += size1;
+ }
+ break;
+
+ case LTT_STRING:
+ size = strlen((gchar*)evD) + 1; //include end : '\0'
+ break;
+
+ case LTT_STRUCT:
+ element_number = (int) type->element_number;
+ if(fld->field_fixed == 0){
+ offset1 = offsetRoot;
+ offset2 = 0;
+ for(i=0;i<element_number;i++){
+ size=ltt_event_refresh_fields(offset1,offset2,
+ fld->child[i],evD+offset2, reverse_byte_order);
+ offset1 += size;
+ offset2 += size;
+ }
+ size = offset2;
+ }else size = fld->field_size;
+ break;
+
+ case LTT_UNION:
+ size = fld->field_size;
+ break;
+
+ default:
+ size = fld->field_size;
+ }
+
+#if 0
if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY &&
type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){
size = fld->field_size;
if(fld->field_fixed == 0){// has string or sequence
size = 0;
for(i=0;i<element_number;i++){
- size += ltt_event_refresh_fields(offsetRoot+size,size,
+ size += ltt_event_refresh_fields(offsetRoot+size,size,
fld->child[0], evD+size);
- }
+ }
}else size = fld->field_size;
}else if(type->type_class == LTT_SEQUENCE){
size1 = fld->sequ_number_size;
}else{//sequence has string or sequence
size = 0;
for(i=0;i<element_number;i++){
- size += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1,
- fld->child[0], evD+size+size1);
+ size += ltt_event_refresh_fields(offsetRoot+size+size1,size+size1,
+ fld->child[0], evD+size+size1);
}
size += size1;
}
offset1 = offsetRoot;
offset2 = 0;
for(i=0;i<element_number;i++){
- size=ltt_event_refresh_fields(offset1,offset2,fld->child[i],evD+offset2);
- offset1 += size;
- offset2 += size;
+ size=ltt_event_refresh_fields(offset1,offset2,
+ fld->child[i],evD+offset2);
+ offset1 += size;
+ offset2 += size;
}
size = offset2;
}else size = fld->field_size;
}
-
+#endif //0
fld->offset_root = offsetRoot;
fld->offset_parent = offsetParent;
fld->fixed_root = (offsetRoot==-1) ? 0 : 1;
return size;
}
+#endif //0
+
/*****************************************************************************
*Function name
* unsigned : event type id
****************************************************************************/
-unsigned ltt_event_eventtype_id(LttEvent *e)
+unsigned ltt_event_eventtype_id(const LttEvent *e)
{
return (unsigned) e->event_id;
}
* LttFacility * : the facility of the event
****************************************************************************/
-LttFacility *ltt_event_facility(LttEvent *e)
+LttFacility *ltt_event_facility(const LttEvent *e)
{
LttTrace * trace = e->tracefile->trace;
- unsigned id = e->event_id;
- return ltt_trace_facility_by_id(trace,id);
+ unsigned id = e->facility_id;
+ LttFacility *facility = ltt_trace_facility_by_id(trace,id);
+
+ g_assert(facility->exists);
+
+ return facility;
+}
+
+/*****************************************************************************
+ *Function name
+ * ltt_event_facility_id : get the facility id of the event
+ *Input params
+ * e : an instance of an event type
+ *Return value
+ * unsigned : the facility of the event
+ ****************************************************************************/
+
+unsigned ltt_event_facility_id(const LttEvent *e)
+{
+ return e->facility_id;
}
/*****************************************************************************
* LttEventType * : the event type of the event
****************************************************************************/
-LttEventType *ltt_event_eventtype(LttEvent *e)
+LttEventType *ltt_event_eventtype(const LttEvent *e)
{
LttFacility* facility = ltt_event_facility(e);
if(!facility) return NULL;
- return facility->events[e->event_id - facility->base_id];
+ return &g_array_index(facility->events, LttEventType, e->event_id);
}
/*****************************************************************************
{
LttField * field;
LttEventType * event_type = ltt_event_eventtype(e);
- if(!event_type) return NULL;
+ if(unlikely(!event_type)) return NULL;
field = event_type->root_field;
+ if(unlikely(!field)) return NULL;
- //check if the field need refresh
- if(e->which_block != event_type->latest_block ||
- e->which_event != event_type->latest_event){
-
- event_type->latest_block = e->which_block;
- event_type->latest_event = e->which_event;
-
- if(field->field_fixed == 1)return field;
-
- //refresh the field
- ltt_event_refresh_fields(0, 0, field, e->data);
- }
+ get_field_type_size(e->tracefile, event_type, 0, 0,
+ field, e->data);
+
return field;
}
* LttTime : the time of the event
****************************************************************************/
-LttTime ltt_event_time(LttEvent *e)
+LttTime ltt_event_time(const LttEvent *e)
{
return e->event_time;
}
* LttCycleCount : the cycle count of the event
****************************************************************************/
-LttCycleCount ltt_event_cycle_count(LttEvent *e)
+LttCycleCount ltt_event_cycle_count(const LttEvent *e)
{
- return e->event_cycle_count;
+ return e->tsc;
+}
+
+
+
+/*****************************************************************************
+ *Function name
+ * ltt_event_position_get : get the event position data
+ *Input params
+ * e : an instance of an event type
+ * ep : a pointer to event's position structure
+ * tf : tracefile pointer
+ * block : current block
+ * offset : current offset
+ * tsc : current tsc
+ ****************************************************************************/
+void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf,
+ guint *block, guint *offset, guint64 *tsc)
+{
+ *tf = ep->tracefile;
+ *block = ep->block;
+ *offset = ep->offset;
+ *tsc = ep->tsc;
+}
+
+
+/*****************************************************************************
+ *Function name
+ * ltt_event_position : get the event's position
+ *Input params
+ * e : an instance of an event type
+ * ep : a pointer to event's position structure
+ ****************************************************************************/
+
+void ltt_event_position(LttEvent *e, LttEventPosition *ep)
+{
+ ep->tracefile = e->tracefile;
+ ep->block = e->block;
+ ep->offset = e->offset;
+ ep->tsc = e->tsc;
+}
+
+LttEventPosition * ltt_event_position_new()
+{
+ return g_new(LttEventPosition, 1);
+}
+
+
+/*****************************************************************************
+ * Function name
+ * ltt_event_position_compare : compare two positions
+ * A NULL value is infinite.
+ * Input params
+ * ep1 : a pointer to event's position structure
+ * ep2 : a pointer to event's position structure
+ * Return
+ * -1 is ep1 < ep2
+ * 1 if ep1 > ep2
+ * 0 if ep1 == ep2
+ ****************************************************************************/
+
+
+gint ltt_event_position_compare(const LttEventPosition *ep1,
+ const LttEventPosition *ep2)
+{
+ if(ep1 == NULL && ep2 == NULL)
+ return 0;
+ if(ep1 != NULL && ep2 == NULL)
+ return -1;
+ if(ep1 == NULL && ep2 != NULL)
+ return 1;
+
+ if(ep1->tracefile != ep2->tracefile)
+ g_error("ltt_event_position_compare on different tracefiles makes no sense");
+
+ if(ep1->block < ep2->block)
+ return -1;
+ if(ep1->block > ep2->block)
+ return 1;
+ if(ep1->offset < ep2->offset)
+ return -1;
+ if(ep1->offset > ep2->offset)
+ return 1;
+ return 0;
+}
+
+/*****************************************************************************
+ * Function name
+ * ltt_event_position_copy : copy position
+ * Input params
+ * src : a pointer to event's position structure source
+ * dest : a pointer to event's position structure dest
+ * Return
+ * void
+ ****************************************************************************/
+void ltt_event_position_copy(LttEventPosition *dest,
+ const LttEventPosition *src)
+{
+ if(src == NULL)
+ dest = NULL;
+ else
+ *dest = *src;
+}
+
+
+
+LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep)
+{
+ return ep->tracefile;
}
/*****************************************************************************
****************************************************************************/
unsigned ltt_event_cpu_id(LttEvent *e)
-{
- return (unsigned)atoi(e->tracefile->name);
+{
+ return e->tracefile->cpu_num;
}
/*****************************************************************************
*Return value
* unsigned : the number of elements for an array/sequence field
****************************************************************************/
-
-unsigned ltt_event_field_element_number(LttEvent *e, LttField *f)
+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)
return f->field_type->element_number;
- return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root);
+ return ltt_get_uint(LTT_GET_BO(e->tracefile), f->sequ_number_size,
+ e + f->offset_root);
}
/*****************************************************************************
* ltt_event_field_element_select
* : Set the currently selected element for a sequence or
* array field
+ * O(1) if fields are of fixed size, else O(n) if fields are
+ * of variable size.
*Input params
* e : an instance of an event type
* f : a field of the instance
- * i : the ith element
+ * i : the ith element (0, ...)
****************************************************************************/
-
void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i)
{
unsigned element_number;
- LttField *fld;
- int k, size;
- void *evD;
+ LttField *field;
+ unsigned int k;
+ size_t size;
+ LttEventType *event_type;
if(f->field_type->type_class != LTT_ARRAY &&
f->field_type->type_class != LTT_SEQUENCE)
return ;
element_number = ltt_event_field_element_number(e,f);
- if((element_number-1) < i || i < 0) return;
+ 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;
- fld = f->child[0];
+ field = f->child[0];
- evD = e->data + f->offset_root;
- size = 0;
- for(k=0;k<i;k++){
- size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size);
- }
+ if(f->field_type->type_class == LTT_SEQUENCE)
+ size = f->sequ_number_size;
+ else
+ size = 0;
+
+ if(field->fixed_size == FIELD_FIXED) {
+ size += field->field_size * i;
- f->current_element = i - 1;
+ get_field_type_size(e->tracefile, event_type,
+ f->offset_root+size, size, field, e->data);
+
+ } else {
+ for(k=0;k<=i;k++){
+ size += get_field_type_size(e->tracefile, event_type,
+ f->offset_root+size, size, field, e->data);
+ }
+ }
+ f->current_element = i;
}
/*****************************************************************************
* These functions extract data from an event after architecture specific
* conversions
****************************************************************************/
-
-unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f)
+guint32 ltt_event_get_unsigned(LttEvent *e, LttField *f)
{
- LttArchSize rSize = e->tracefile->trace->system_description->size;
- int revFlag = e->tracefile->trace->my_arch_endian ==
- e->tracefile->trace->system_description->endian ? 0:1;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
+
LttTypeEnum t = f->field_type->type_class;
- if(t != LTT_UINT || t != LTT_ENUM)
- g_error("The type of the field is not unsigned int\n");
+ g_assert(t == LTT_UINT || t == LTT_ENUM);
- if(rSize == LTT_LP32){
- if(f->field_size != 2)
- g_error("The type of the field is not unsigned int: uint16_t\n");
- else{
- uint16_t x = *(uint16_t *)(e->data + f->offset_root);
- return (unsigned) (revFlag ? BREV16(x) : x);
- }
- }else if(rSize == LTT_ILP32 || rSize == LTT_LP64){
- if(f->field_size != 4)
- g_error("The type of the field is not unsigned int: uint32_t\n");
- else{
- uint32_t x = *(uint32_t *)(e->data + f->offset_root);
- return (unsigned) (revFlag ? BREV32(x): x);
- }
- }else if(rSize == LTT_ILP64){
- if(f->field_size != 8)
- g_error("The type of the field is not unsigned int: uint64_t\n");
- else{
- uint64_t x = *(uint64_t *)(e->data + f->offset_root);
- return (unsigned) (revFlag ? BREV64(x): x);
- }
+ if(f->field_size == 1){
+ guint8 x = *(guint8 *)(e->data + f->offset_root);
+ return (guint32) x;
+ }else if(f->field_size == 2){
+ return (guint32)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root);
+ }else if(f->field_size == 4){
+ return (guint32)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root);
+ }
+#if 0
+ else if(f->field_size == 8){
+ guint64 x = *(guint64 *)(e->data + f->offset_root);
+ if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN)
+ return (unsigned int) (revFlag ? GUINT64_FROM_BE(x): x);
+ else
+ return (unsigned int) (revFlag ? GUINT64_FROM_LE(x): x);
}
+#endif //0
+ g_critical("ltt_event_get_unsigned : field size %i unknown", f->field_size);
+ return 0;
}
-int ltt_event_get_int(LttEvent *e, LttField *f)
+gint32 ltt_event_get_int(LttEvent *e, LttField *f)
{
- LttArchSize rSize = e->tracefile->trace->system_description->size;
- int revFlag = e->tracefile->trace->my_arch_endian ==
- e->tracefile->trace->system_description->endian ? 0:1;
-
- if(f->field_type->type_class != LTT_INT)
- g_error("The type of the field is not int\n");
-
- if(rSize == LTT_LP32){
- if(f->field_size != 2)
- g_error("The type of the field is not int: int16_t\n");
- else{
- int16_t x = *(int16_t *)(e->data + f->offset_root);
- return (int) (revFlag ? BREV16(x) : x);
- }
- }else if(rSize == LTT_ILP32 || rSize == LTT_LP64){
- if(f->field_size != 4)
- g_error("The type of the field is not int: int32_t\n");
- else{
- int32_t x = *(int32_t *)(e->data + f->offset_root);
- return (int) (revFlag ? BREV32(x): x);
- }
- }else if(rSize == LTT_ILP64){
- if(f->field_size != 8)
- g_error("The type of the field is not int: int64_t\n");
- else{
- int64_t x = *(int64_t *)(e->data + f->offset_root);
- return (int) (revFlag ? BREV64(x): x);
- }
+ 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;
+ }else if(f->field_size == 2){
+ return (gint32)ltt_get_int16(reverse_byte_order, e->data + f->offset_root);
+ }else if(f->field_size == 4){
+ return (gint32)ltt_get_int32(reverse_byte_order, e->data + f->offset_root);
}
+#if 0
+ else if(f->field_size == 8){
+ gint64 x = *(gint64 *)(e->data + f->offset_root);
+ if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN)
+ return (int) (revFlag ? GINT64_FROM_BE(x): x);
+ else
+ return (int) (revFlag ? GINT64_FROM_LE(x): x);
+ }
+#endif //0
+ g_critical("ltt_event_get_int : field size %i unknown", f->field_size);
+ return 0;
}
-unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f)
+guint64 ltt_event_get_long_unsigned(LttEvent *e, LttField *f)
{
- LttArchSize rSize = e->tracefile->trace->system_description->size;
- int revFlag = e->tracefile->trace->my_arch_endian ==
- e->tracefile->trace->system_description->endian ? 0:1;
- LttTypeEnum t = f->field_type->type_class;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
- if(t != LTT_UINT || t != LTT_ENUM)
- g_error("The type of the field is not unsigned long\n");
+ LttTypeEnum t = f->field_type->type_class;
- if(rSize == LTT_LP32 || rSize == LTT_ILP32 ){
- if(f->field_size != 4)
- g_error("The type of the field is not unsigned long: uint32_t\n");
- else{
- uint32_t x = *(uint32_t *)(e->data + f->offset_root);
- return (unsigned long) (revFlag ? BREV32(x) : x);
- }
- }else if(rSize == LTT_LP64 || rSize == LTT_ILP64){
- if(f->field_size != 8)
- g_error("The type of the field is not unsigned long: uint64_t\n");
- else{
- uint64_t x = *(uint64_t *)(e->data + f->offset_root);
- return (unsigned long) (revFlag ? BREV64(x): x);
- }
+ g_assert(t == LTT_UINT || t == LTT_ENUM
+ || t == LTT_ULONG || LTT_SIZE_T || LTT_OFF_T || LTT_POINTER);
+
+ if(f->field_size == 1){
+ guint8 x = *(guint8 *)(e->data + f->offset_root);
+ return (guint64) x;
+ }else if(f->field_size == 2){
+ return (guint64)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root);
+ }else if(f->field_size == 4){
+ return (guint64)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root);
+ }else if(f->field_size == 8){
+ return ltt_get_uint64(reverse_byte_order, e->data + f->offset_root);
}
+ g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->field_size);
+ return 0;
}
-long int ltt_event_get_long_int(LttEvent *e, LttField *f)
+gint64 ltt_event_get_long_int(LttEvent *e, LttField *f)
{
- LttArchSize rSize = e->tracefile->trace->system_description->size;
- int revFlag = e->tracefile->trace->my_arch_endian ==
- e->tracefile->trace->system_description->endian ? 0:1;
-
- if( f->field_type->type_class != LTT_INT)
- g_error("The type of the field is not long int\n");
-
- if(rSize == LTT_LP32 || rSize == LTT_ILP32 ){
- if(f->field_size != 4)
- g_error("The type of the field is not long int: int32_t\n");
- else{
- int32_t x = *(int32_t *)(e->data + f->offset_root);
- return (long) (revFlag ? BREV32(x) : x);
- }
- }else if(rSize == LTT_LP64 || rSize == LTT_ILP64){
- if(f->field_size != 8)
- g_error("The type of the field is not long int: int64_t\n");
- else{
- int64_t x = *(int64_t *)(e->data + f->offset_root);
- return (long) (revFlag ? BREV64(x): x);
- }
+ //int revFlag = e->tracefile->trace->my_arch_endian ==
+ // 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;
+ }else if(f->field_size == 2){
+ return (gint64)ltt_get_int16(reverse_byte_order, e->data + f->offset_root);
+ }else if(f->field_size == 4){
+ return (gint64)ltt_get_int32(reverse_byte_order, e->data + f->offset_root);
+ }else if(f->field_size == 8){
+ return ltt_get_int64(reverse_byte_order, e->data + f->offset_root);
}
+ g_critical("ltt_event_get_long_int : field size %i unknown", f->field_size);
+ return 0;
}
float ltt_event_get_float(LttEvent *e, LttField *f)
{
- int revFlag = e->tracefile->trace->my_arch_endian ==
- e->tracefile->trace->system_description->endian ? 0:1;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
- if(f->field_type->type_class != LTT_FLOAT ||
- (f->field_type->type_class == LTT_FLOAT && f->field_size != 4))
- g_error("The type of the field is not float\n");
+ g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4);
- if(revFlag == 0) return *(float *)(e->data + f->offset_root);
+ if(reverse_byte_order == 0) return *(float *)(e->data + f->offset_root);
else{
- uint32_t aInt;
+ guint32 aInt;
memcpy((void*)&aInt, e->data + f->offset_root, 4);
aInt = ___swab32(aInt);
- return *((float*)&aInt);
+ return ((float)aInt);
}
}
double ltt_event_get_double(LttEvent *e, LttField *f)
{
- int revFlag = e->tracefile->trace->my_arch_endian ==
- e->tracefile->trace->system_description->endian ? 0:1;
+ gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
- if(f->field_type->type_class != LTT_FLOAT ||
- (f->field_type->type_class == LTT_FLOAT && f->field_size != 8))
- g_error("The type of the field is not double\n");
+ g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8);
- if(revFlag == 0) return *(double *)(e->data + f->offset_root);
+ if(reverse_byte_order == 0) return *(double *)(e->data + f->offset_root);
else{
- uint64_t aInt;
+ guint64 aInt;
memcpy((void*)&aInt, e->data + f->offset_root, 8);
aInt = ___swab64(aInt);
- return *((double *)&aInt);
+ return ((double)aInt);
}
}
* The string obtained is only valid until the next read from
* the same tracefile.
****************************************************************************/
-
char *ltt_event_get_string(LttEvent *e, LttField *f)
{
- if(f->field_type->type_class != LTT_STRING)
- g_error("The field contains no string\n");
- return (char*)g_strdup((char*)(e->data + f->offset_root));
+ g_assert(f->field_type->type_class == LTT_STRING);
+
+ return (gchar*)g_strdup((gchar*)(e->data + f->offset_root));
+}
+
+
+/*****************************************************************************
+ *Function name
+ * get_field_type_size : set the fixed and dynamic sizes of the field type
+ * from the data read.
+ *Input params
+ * tf : tracefile
+ * event_type : event type
+ * offset_root : offset from the root
+ * offset_parent : offset from the parent
+ * field : field
+ * data : a pointer to the event data.
+ *Returns the field type size.
+ ****************************************************************************/
+size_t get_field_type_size(LttTracefile *tf, LttEventType *event_type,
+ off_t offset_root, off_t offset_parent,
+ LttField *field, void *data)
+{
+ size_t size = 0;
+ guint i;
+ LttType *type;
+
+ g_assert(field->fixed_root != FIELD_UNKNOWN);
+ g_assert(field->fixed_parent != FIELD_UNKNOWN);
+ g_assert(field->fixed_size != FIELD_UNKNOWN);
+
+ field->offset_root = offset_root;
+ field->offset_parent = offset_parent;
+
+ type = field->field_type;
+
+ switch(type->type_class) {
+ case LTT_INT:
+ case LTT_UINT:
+ case LTT_FLOAT:
+ case LTT_ENUM:
+ case LTT_POINTER:
+ case LTT_LONG:
+ case LTT_ULONG:
+ case LTT_SIZE_T:
+ case LTT_SSIZE_T:
+ case LTT_OFF_T:
+ g_assert(field->fixed_size == FIELD_FIXED);
+ size = field->field_size;
+ break;
+ case LTT_SEQUENCE:
+ {
+ gint seqnum = ltt_get_uint(LTT_GET_BO(tf),
+ field->sequ_number_size,
+ data + offset_root);
+
+ if(field->child[0]->fixed_size == FIELD_FIXED) {
+ size = field->sequ_number_size +
+ (seqnum * get_field_type_size(tf, event_type,
+ offset_root, offset_parent,
+ field->child[0], data));
+ } else {
+ size += field->sequ_number_size;
+ for(i=0;i<seqnum;i++) {
+ size_t child_size;
+ child_size = get_field_type_size(tf, event_type,
+ offset_root, offset_parent,
+ field->child[0], data);
+ offset_root += child_size;
+ offset_parent += child_size;
+ size += child_size;
+ }
+ }
+ field->field_size = size;
+ }
+ break;
+ case LTT_STRING:
+ size = strlen((char*)(data+offset_root)) + 1;// length + \0
+ field->field_size = size;
+ break;
+ case LTT_ARRAY:
+ if(field->fixed_size == FIELD_FIXED)
+ size = field->field_size;
+ else {
+ for(i=0;i<field->field_type->element_number;i++) {
+ size_t child_size;
+ child_size = get_field_type_size(tf, event_type,
+ offset_root, offset_parent,
+ field->child[0], data);
+ offset_root += child_size;
+ offset_parent += child_size;
+ size += child_size;
+ }
+ field->field_size = size;
+ }
+ break;
+ case LTT_STRUCT:
+ if(field->fixed_size == FIELD_FIXED)
+ size = field->field_size;
+ else {
+ size_t current_root_offset = offset_root;
+ size_t current_offset = 0;
+ size_t child_size = 0;
+ for(i=0;i<type->element_number;i++) {
+ child_size = get_field_type_size(tf,
+ event_type, current_root_offset, current_offset,
+ field->child[i], data);
+ current_offset += child_size;
+ current_root_offset += child_size;
+
+ }
+ size = current_offset;
+ field->field_size = size;
+ }
+ break;
+ case LTT_UNION:
+ if(field->fixed_size == FIELD_FIXED)
+ size = field->field_size;
+ else {
+ size_t current_root_offset = field->offset_root;
+ size_t current_offset = 0;
+ for(i=0;i<type->element_number;i++) {
+ size = get_field_type_size(tf, event_type,
+ current_root_offset, current_offset,
+ field->child[i], data);
+ size = max(size, field->child[i]->field_size);
+ }
+ field->field_size = size;
+ }
+ break;
+ }
+
+ return size;
}
+
+
projects / lttv.git / blobdiff