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1 | #include <stdio.h> |
2 | #include <asm/types.h> |
3 | #include <linux/byteorder/swab.h> |
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4 | #include <ltt/LTTTypes.h> |
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5 | #include "parser.h" |
6 | #include <ltt/event.h> |
7 | |
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8 | /***************************************************************************** |
9 | *Function name |
10 | * ltt_event_refresh_fields : refresh fields of an event |
11 | *Input params |
12 | * offsetRoot : offset from the root |
13 | * offsetParent : offset from the parrent |
14 | * fld : field |
15 | * evD : event data |
16 | *Return value |
17 | * int : size of the field |
18 | ****************************************************************************/ |
19 | |
20 | int ltt_event_refresh_fields(int offsetRoot,int offsetParent, |
21 | LttField * fld, void *evD) |
22 | { |
23 | int size, size1, element_number, i, offset1, offset2; |
24 | LttType * type = fld->field_type; |
25 | |
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 |
32 | size = 0; |
33 | for(i=0;i<element_number;i++){ |
34 | size += ltt_event_refresh_fields(offsetRoot+size,size, |
35 | fld->child[0], evD+size); |
36 | } |
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 |
45 | size = 0; |
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); |
49 | } |
50 | size += size1; |
51 | } |
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){ |
57 | offset1 = offsetRoot; |
58 | offset2 = 0; |
59 | for(i=0;i<element_number;i++){ |
60 | size=ltt_event_refresh_fields(offset1,offset2,fld->child[i],evD+offset2); |
61 | offset1 += size; |
62 | offset2 += size; |
63 | } |
64 | size = offset2; |
65 | }else size = fld->field_size; |
66 | } |
67 | |
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; |
73 | |
74 | return size; |
75 | } |
76 | |
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77 | /***************************************************************************** |
78 | *Function name |
963b5f2d |
79 | * ltt_event_eventtype_id: get event type id |
80 | * (base id + position of the event) |
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81 | *Input params |
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82 | * e : an instance of an event type |
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83 | *Return value |
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84 | * unsigned : event type id |
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85 | ****************************************************************************/ |
86 | |
963b5f2d |
87 | unsigned ltt_event_eventtype_id(LttEvent *e) |
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88 | { |
89 | return (unsigned) e->event_id; |
90 | } |
91 | |
92 | /***************************************************************************** |
93 | *Function name |
94 | * ltt_event_facility : get the facility of the event |
95 | *Input params |
96 | * e : an instance of an event type |
97 | *Return value |
963b5f2d |
98 | * LttFacility * : the facility of the event |
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99 | ****************************************************************************/ |
100 | |
963b5f2d |
101 | LttFacility *ltt_event_facility(LttEvent *e) |
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102 | { |
963b5f2d |
103 | LttTrace * trace = e->tracefile->trace; |
104 | unsigned id = e->event_id; |
105 | return ltt_trace_facility_by_id(trace,id); |
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106 | } |
107 | |
108 | /***************************************************************************** |
109 | *Function name |
110 | * ltt_event_eventtype : get the event type of the event |
111 | *Input params |
112 | * e : an instance of an event type |
113 | *Return value |
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114 | * LttEventType * : the event type of the event |
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115 | ****************************************************************************/ |
116 | |
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117 | LttEventType *ltt_event_eventtype(LttEvent *e) |
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118 | { |
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119 | LttFacility* facility = ltt_event_facility(e); |
120 | if(!facility) return NULL; |
121 | return facility->events[e->event_id - facility->base_id]; |
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122 | } |
123 | |
124 | /***************************************************************************** |
125 | *Function name |
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126 | * ltt_event_field : get the root field of the event |
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127 | *Input params |
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128 | * e : an instance of an event type |
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129 | *Return value |
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130 | * LttField * : the root field of the event |
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131 | ****************************************************************************/ |
132 | |
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133 | LttField *ltt_event_field(LttEvent *e) |
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134 | { |
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135 | LttField * field; |
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136 | LttEventType * event_type = ltt_event_eventtype(e); |
137 | if(!event_type) return NULL; |
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138 | field = event_type->root_field; |
139 | |
140 | //check if the field need refresh |
141 | if(e->which_block != event_type->latest_block || |
142 | e->which_event != event_type->latest_event){ |
143 | |
144 | event_type->latest_block = e->which_block; |
145 | event_type->latest_event = e->which_event; |
146 | |
147 | if(field->field_fixed == 1)return field; |
148 | |
149 | //refresh the field |
150 | ltt_event_refresh_fields(0, 0, field, e->data); |
151 | } |
152 | return field; |
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153 | } |
154 | |
155 | /***************************************************************************** |
156 | *Function name |
963b5f2d |
157 | * ltt_event_time : get the time of the event |
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158 | *Input params |
159 | * e : an instance of an event type |
160 | *Return value |
963b5f2d |
161 | * LttTime : the time of the event |
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162 | ****************************************************************************/ |
163 | |
963b5f2d |
164 | LttTime ltt_event_time(LttEvent *e) |
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165 | { |
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166 | return e->event_time; |
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167 | } |
168 | |
169 | /***************************************************************************** |
170 | *Function name |
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171 | * ltt_event_time : get the cycle count of the event |
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172 | *Input params |
173 | * e : an instance of an event type |
174 | *Return value |
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175 | * LttCycleCount : the cycle count of the event |
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176 | ****************************************************************************/ |
177 | |
963b5f2d |
178 | LttCycleCount ltt_event_cycle_count(LttEvent *e) |
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179 | { |
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180 | return e->event_cycle_count; |
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181 | } |
182 | |
183 | /***************************************************************************** |
184 | *Function name |
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185 | * ltt_event_cpu_i: get the cpu id where the event happens |
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186 | *Input params |
187 | * e : an instance of an event type |
188 | *Return value |
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189 | * unsigned : the cpu id |
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190 | ****************************************************************************/ |
191 | |
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192 | unsigned ltt_event_cpu_id(LttEvent *e) |
193 | { |
194 | return (unsigned)atoi(e->tracefile->name); |
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195 | } |
196 | |
197 | /***************************************************************************** |
198 | *Function name |
199 | * ltt_event_data : get the raw data for the event |
200 | *Input params |
201 | * e : an instance of an event type |
202 | *Return value |
203 | * void * : pointer to the raw data for the event |
204 | ****************************************************************************/ |
205 | |
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206 | void *ltt_event_data(LttEvent *e) |
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207 | { |
208 | return e->data; |
209 | } |
210 | |
211 | /***************************************************************************** |
212 | *Function name |
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. |
217 | *Input params |
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218 | * e : an instance of an event type |
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219 | * f : a field of the instance |
220 | *Return value |
221 | * unsigned : the number of elements for an array/sequence field |
222 | ****************************************************************************/ |
223 | |
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224 | unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) |
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225 | { |
226 | if(f->field_type->type_class != LTT_ARRAY && |
227 | f->field_type->type_class != LTT_SEQUENCE) |
228 | return 0; |
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229 | |
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); |
6cd62ccf |
233 | } |
234 | |
235 | /***************************************************************************** |
236 | *Function name |
237 | * ltt_event_field_element_select |
238 | * : Set the currently selected element for a sequence or |
239 | * array field |
240 | *Input params |
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241 | * e : an instance of an event type |
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242 | * f : a field of the instance |
243 | * i : the ith element |
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244 | ****************************************************************************/ |
245 | |
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246 | void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) |
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247 | { |
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248 | unsigned element_number; |
249 | LttField *fld; |
250 | int k, size; |
251 | void *evD; |
252 | |
253 | if(f->field_type->type_class != LTT_ARRAY && |
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254 | f->field_type->type_class != LTT_SEQUENCE) |
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255 | return ; |
256 | |
257 | element_number = ltt_event_field_element_number(e,f); |
89d4760c |
258 | if((element_number-1) < i || i < 0) return; |
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259 | |
260 | fld = f->child[0]; |
261 | |
262 | evD = e->data + f->offset_root; |
263 | size = 0; |
264 | for(k=0;k<i;k++){ |
265 | size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size); |
266 | } |
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267 | |
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268 | f->current_element = i - 1; |
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269 | } |
270 | |
271 | /***************************************************************************** |
272 | * These functions extract data from an event after architecture specific |
273 | * conversions |
274 | ****************************************************************************/ |
275 | |
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276 | unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) |
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277 | { |
963b5f2d |
278 | int revFlag = e->tracefile->trace->my_arch_endian == |
279 | e->tracefile->trace->system_description->endian ? 0:1; |
280 | LttTypeEnum t = f->field_type->type_class; |
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281 | |
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282 | if(t != LTT_UINT && t != LTT_ENUM) |
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283 | g_error("The type of the field is not unsigned int\n"); |
284 | |
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285 | if(f->field_size == 1){ |
286 | uint8_t x = *(uint8_t*)(e->data + f->offset_root); |
287 | return (unsigned int) x; |
288 | }else if(f->field_size == 2){ |
289 | uint16_t x = *(uint16_t*)(e->data + f->offset_root); |
290 | return (unsigned int) (revFlag ? BREV16(x): x); |
291 | }else if(f->field_size == 4){ |
292 | uint32_t x = *(uint32_t*)(e->data + f->offset_root); |
293 | return (unsigned int) (revFlag ? BREV32(x): x); |
294 | }else if(f->field_size == 8){ |
295 | uint64_t x = *(uint64_t*)(e->data + f->offset_root); |
296 | return (unsigned int) (revFlag ? BREV64(x): x); |
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297 | } |
298 | } |
299 | |
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300 | int ltt_event_get_int(LttEvent *e, LttField *f) |
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301 | { |
963b5f2d |
302 | int revFlag = e->tracefile->trace->my_arch_endian == |
303 | e->tracefile->trace->system_description->endian ? 0:1; |
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304 | |
305 | if(f->field_type->type_class != LTT_INT) |
306 | g_error("The type of the field is not int\n"); |
307 | |
b7b36242 |
308 | if(f->field_size == 1){ |
309 | int8_t x = *(int8_t*)(e->data + f->offset_root); |
310 | return (int) x; |
311 | }else if(f->field_size == 2){ |
312 | int16_t x = *(int16_t*)(e->data + f->offset_root); |
313 | return (int) (revFlag ? BREV16(x): x); |
314 | }else if(f->field_size == 4){ |
315 | int32_t x = *(int32_t*)(e->data + f->offset_root); |
316 | return (int) (revFlag ? BREV32(x): x); |
317 | }else if(f->field_size == 8){ |
318 | int64_t x = *(int64_t*)(e->data + f->offset_root); |
319 | return (int) (revFlag ? BREV64(x): x); |
6cd62ccf |
320 | } |
321 | } |
322 | |
963b5f2d |
323 | unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f) |
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324 | { |
963b5f2d |
325 | int revFlag = e->tracefile->trace->my_arch_endian == |
326 | e->tracefile->trace->system_description->endian ? 0:1; |
327 | LttTypeEnum t = f->field_type->type_class; |
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328 | |
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329 | if(t != LTT_UINT && t != LTT_ENUM) |
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330 | g_error("The type of the field is not unsigned long\n"); |
331 | |
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332 | if(f->field_size == 1){ |
333 | uint8_t x = *(uint8_t*)(e->data + f->offset_root); |
334 | return (unsigned long) x; |
335 | }else if(f->field_size == 2){ |
336 | uint16_t x = *(uint16_t*)(e->data + f->offset_root); |
337 | return (unsigned long) (revFlag ? BREV16(x): x); |
338 | }else if(f->field_size == 4){ |
339 | uint32_t x = *(uint32_t*)(e->data + f->offset_root); |
340 | return (unsigned long) (revFlag ? BREV32(x): x); |
341 | }else if(f->field_size == 8){ |
342 | uint64_t x = *(uint64_t*)(e->data + f->offset_root); |
343 | return (unsigned long) (revFlag ? BREV64(x): x); |
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344 | } |
345 | } |
346 | |
963b5f2d |
347 | long int ltt_event_get_long_int(LttEvent *e, LttField *f) |
6cd62ccf |
348 | { |
963b5f2d |
349 | int revFlag = e->tracefile->trace->my_arch_endian == |
350 | e->tracefile->trace->system_description->endian ? 0:1; |
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351 | |
352 | if( f->field_type->type_class != LTT_INT) |
353 | g_error("The type of the field is not long int\n"); |
354 | |
b7b36242 |
355 | if(f->field_size == 1){ |
356 | int8_t x = *(int8_t*)(e->data + f->offset_root); |
357 | return (long) x; |
358 | }else if(f->field_size == 2){ |
359 | int16_t x = *(int16_t*)(e->data + f->offset_root); |
360 | return (long) (revFlag ? BREV16(x): x); |
361 | }else if(f->field_size == 4){ |
362 | int32_t x = *(int32_t*)(e->data + f->offset_root); |
363 | return (long) (revFlag ? BREV32(x): x); |
364 | }else if(f->field_size == 8){ |
365 | int64_t x = *(int64_t*)(e->data + f->offset_root); |
366 | return (long) (revFlag ? BREV64(x): x); |
6cd62ccf |
367 | } |
368 | } |
369 | |
963b5f2d |
370 | float ltt_event_get_float(LttEvent *e, LttField *f) |
6cd62ccf |
371 | { |
963b5f2d |
372 | int revFlag = e->tracefile->trace->my_arch_endian == |
373 | e->tracefile->trace->system_description->endian ? 0:1; |
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374 | |
375 | if(f->field_type->type_class != LTT_FLOAT || |
376 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 4)) |
377 | g_error("The type of the field is not float\n"); |
378 | |
379 | if(revFlag == 0) return *(float *)(e->data + f->offset_root); |
380 | else{ |
381 | uint32_t aInt; |
382 | memcpy((void*)&aInt, e->data + f->offset_root, 4); |
383 | aInt = ___swab32(aInt); |
384 | return *((float*)&aInt); |
385 | } |
386 | } |
387 | |
963b5f2d |
388 | double ltt_event_get_double(LttEvent *e, LttField *f) |
6cd62ccf |
389 | { |
963b5f2d |
390 | int revFlag = e->tracefile->trace->my_arch_endian == |
391 | e->tracefile->trace->system_description->endian ? 0:1; |
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392 | |
393 | if(f->field_type->type_class != LTT_FLOAT || |
394 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 8)) |
395 | g_error("The type of the field is not double\n"); |
396 | |
397 | if(revFlag == 0) return *(double *)(e->data + f->offset_root); |
398 | else{ |
399 | uint64_t aInt; |
400 | memcpy((void*)&aInt, e->data + f->offset_root, 8); |
401 | aInt = ___swab64(aInt); |
402 | return *((double *)&aInt); |
403 | } |
404 | } |
405 | |
406 | /***************************************************************************** |
407 | * The string obtained is only valid until the next read from |
908f42fa |
408 | * the same tracefile. |
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409 | ****************************************************************************/ |
410 | |
963b5f2d |
411 | char *ltt_event_get_string(LttEvent *e, LttField *f) |
6cd62ccf |
412 | { |
413 | if(f->field_type->type_class != LTT_STRING) |
414 | g_error("The field contains no string\n"); |
415 | return (char*)g_strdup((char*)(e->data + f->offset_root)); |
416 | } |