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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 | |
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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 | { |
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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; |
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139 | if(!field) return NULL; |
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140 | |
141 | //check if the field need refresh |
142 | if(e->which_block != event_type->latest_block || |
143 | e->which_event != event_type->latest_event){ |
144 | |
145 | event_type->latest_block = e->which_block; |
146 | event_type->latest_event = e->which_event; |
147 | |
148 | if(field->field_fixed == 1)return field; |
149 | |
150 | //refresh the field |
151 | ltt_event_refresh_fields(0, 0, field, e->data); |
152 | } |
153 | return field; |
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154 | } |
155 | |
156 | /***************************************************************************** |
157 | *Function name |
963b5f2d |
158 | * ltt_event_time : get the time of the event |
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159 | *Input params |
160 | * e : an instance of an event type |
161 | *Return value |
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162 | * LttTime : the time of the event |
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163 | ****************************************************************************/ |
164 | |
963b5f2d |
165 | LttTime ltt_event_time(LttEvent *e) |
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166 | { |
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167 | return e->event_time; |
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168 | } |
169 | |
170 | /***************************************************************************** |
171 | *Function name |
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172 | * ltt_event_time : get the cycle count of the event |
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173 | *Input params |
174 | * e : an instance of an event type |
175 | *Return value |
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176 | * LttCycleCount : the cycle count of the event |
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177 | ****************************************************************************/ |
178 | |
963b5f2d |
179 | LttCycleCount ltt_event_cycle_count(LttEvent *e) |
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180 | { |
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181 | return e->event_cycle_count; |
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182 | } |
183 | |
184 | /***************************************************************************** |
185 | *Function name |
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186 | * ltt_event_cpu_i: get the cpu id where the event happens |
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187 | *Input params |
188 | * e : an instance of an event type |
189 | *Return value |
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190 | * unsigned : the cpu id |
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191 | ****************************************************************************/ |
192 | |
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193 | unsigned ltt_event_cpu_id(LttEvent *e) |
194 | { |
195 | return (unsigned)atoi(e->tracefile->name); |
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196 | } |
197 | |
198 | /***************************************************************************** |
199 | *Function name |
200 | * ltt_event_data : get the raw data for the event |
201 | *Input params |
202 | * e : an instance of an event type |
203 | *Return value |
204 | * void * : pointer to the raw data for the event |
205 | ****************************************************************************/ |
206 | |
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207 | void *ltt_event_data(LttEvent *e) |
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208 | { |
209 | return e->data; |
210 | } |
211 | |
212 | /***************************************************************************** |
213 | *Function name |
214 | * ltt_event_field_element_number |
215 | * : The number of elements in a sequence field is specific |
216 | * to each event. This function returns the number of |
217 | * elements for an array or sequence field in an event. |
218 | *Input params |
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219 | * e : an instance of an event type |
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220 | * f : a field of the instance |
221 | *Return value |
222 | * unsigned : the number of elements for an array/sequence field |
223 | ****************************************************************************/ |
224 | |
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225 | unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) |
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226 | { |
227 | if(f->field_type->type_class != LTT_ARRAY && |
228 | f->field_type->type_class != LTT_SEQUENCE) |
229 | return 0; |
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230 | |
231 | if(f->field_type->type_class == LTT_ARRAY) |
232 | return f->field_type->element_number; |
233 | return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root); |
6cd62ccf |
234 | } |
235 | |
236 | /***************************************************************************** |
237 | *Function name |
238 | * ltt_event_field_element_select |
239 | * : Set the currently selected element for a sequence or |
240 | * array field |
241 | *Input params |
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242 | * e : an instance of an event type |
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243 | * f : a field of the instance |
244 | * i : the ith element |
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245 | ****************************************************************************/ |
246 | |
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247 | void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) |
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248 | { |
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249 | unsigned element_number; |
250 | LttField *fld; |
251 | int k, size; |
252 | void *evD; |
253 | |
254 | if(f->field_type->type_class != LTT_ARRAY && |
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255 | f->field_type->type_class != LTT_SEQUENCE) |
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256 | return ; |
257 | |
258 | element_number = ltt_event_field_element_number(e,f); |
89d4760c |
259 | if((element_number-1) < i || i < 0) return; |
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260 | |
261 | fld = f->child[0]; |
262 | |
263 | evD = e->data + f->offset_root; |
264 | size = 0; |
265 | for(k=0;k<i;k++){ |
266 | size += ltt_event_refresh_fields(f->offset_root+size,size, fld, evD+size); |
267 | } |
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268 | |
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269 | f->current_element = i - 1; |
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270 | } |
271 | |
272 | /***************************************************************************** |
273 | * These functions extract data from an event after architecture specific |
274 | * conversions |
275 | ****************************************************************************/ |
276 | |
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277 | unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) |
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278 | { |
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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; |
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282 | |
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283 | if(t != LTT_UINT && t != LTT_ENUM) |
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284 | g_error("The type of the field is not unsigned int\n"); |
285 | |
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286 | if(f->field_size == 1){ |
287 | uint8_t x = *(uint8_t*)(e->data + f->offset_root); |
288 | return (unsigned int) x; |
289 | }else if(f->field_size == 2){ |
290 | uint16_t x = *(uint16_t*)(e->data + f->offset_root); |
291 | return (unsigned int) (revFlag ? BREV16(x): x); |
292 | }else if(f->field_size == 4){ |
293 | uint32_t x = *(uint32_t*)(e->data + f->offset_root); |
294 | return (unsigned int) (revFlag ? BREV32(x): x); |
295 | }else if(f->field_size == 8){ |
296 | uint64_t x = *(uint64_t*)(e->data + f->offset_root); |
297 | return (unsigned int) (revFlag ? BREV64(x): x); |
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298 | } |
299 | } |
300 | |
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301 | int ltt_event_get_int(LttEvent *e, LttField *f) |
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302 | { |
963b5f2d |
303 | int revFlag = e->tracefile->trace->my_arch_endian == |
304 | e->tracefile->trace->system_description->endian ? 0:1; |
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305 | |
306 | if(f->field_type->type_class != LTT_INT) |
307 | g_error("The type of the field is not int\n"); |
308 | |
b7b36242 |
309 | if(f->field_size == 1){ |
310 | int8_t x = *(int8_t*)(e->data + f->offset_root); |
311 | return (int) x; |
312 | }else if(f->field_size == 2){ |
313 | int16_t x = *(int16_t*)(e->data + f->offset_root); |
314 | return (int) (revFlag ? BREV16(x): x); |
315 | }else if(f->field_size == 4){ |
316 | int32_t x = *(int32_t*)(e->data + f->offset_root); |
317 | return (int) (revFlag ? BREV32(x): x); |
318 | }else if(f->field_size == 8){ |
319 | int64_t x = *(int64_t*)(e->data + f->offset_root); |
320 | return (int) (revFlag ? BREV64(x): x); |
6cd62ccf |
321 | } |
322 | } |
323 | |
963b5f2d |
324 | unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f) |
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325 | { |
963b5f2d |
326 | int revFlag = e->tracefile->trace->my_arch_endian == |
327 | e->tracefile->trace->system_description->endian ? 0:1; |
328 | LttTypeEnum t = f->field_type->type_class; |
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329 | |
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330 | if(t != LTT_UINT && t != LTT_ENUM) |
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331 | g_error("The type of the field is not unsigned long\n"); |
332 | |
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333 | if(f->field_size == 1){ |
334 | uint8_t x = *(uint8_t*)(e->data + f->offset_root); |
335 | return (unsigned long) x; |
336 | }else if(f->field_size == 2){ |
337 | uint16_t x = *(uint16_t*)(e->data + f->offset_root); |
338 | return (unsigned long) (revFlag ? BREV16(x): x); |
339 | }else if(f->field_size == 4){ |
340 | uint32_t x = *(uint32_t*)(e->data + f->offset_root); |
341 | return (unsigned long) (revFlag ? BREV32(x): x); |
342 | }else if(f->field_size == 8){ |
343 | uint64_t x = *(uint64_t*)(e->data + f->offset_root); |
344 | return (unsigned long) (revFlag ? BREV64(x): x); |
6cd62ccf |
345 | } |
346 | } |
347 | |
963b5f2d |
348 | long int ltt_event_get_long_int(LttEvent *e, LttField *f) |
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349 | { |
963b5f2d |
350 | int revFlag = e->tracefile->trace->my_arch_endian == |
351 | e->tracefile->trace->system_description->endian ? 0:1; |
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352 | |
353 | if( f->field_type->type_class != LTT_INT) |
354 | g_error("The type of the field is not long int\n"); |
355 | |
b7b36242 |
356 | if(f->field_size == 1){ |
357 | int8_t x = *(int8_t*)(e->data + f->offset_root); |
358 | return (long) x; |
359 | }else if(f->field_size == 2){ |
360 | int16_t x = *(int16_t*)(e->data + f->offset_root); |
361 | return (long) (revFlag ? BREV16(x): x); |
362 | }else if(f->field_size == 4){ |
363 | int32_t x = *(int32_t*)(e->data + f->offset_root); |
364 | return (long) (revFlag ? BREV32(x): x); |
365 | }else if(f->field_size == 8){ |
366 | int64_t x = *(int64_t*)(e->data + f->offset_root); |
367 | return (long) (revFlag ? BREV64(x): x); |
6cd62ccf |
368 | } |
369 | } |
370 | |
963b5f2d |
371 | float ltt_event_get_float(LttEvent *e, LttField *f) |
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372 | { |
963b5f2d |
373 | int revFlag = e->tracefile->trace->my_arch_endian == |
374 | e->tracefile->trace->system_description->endian ? 0:1; |
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375 | |
376 | if(f->field_type->type_class != LTT_FLOAT || |
377 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 4)) |
378 | g_error("The type of the field is not float\n"); |
379 | |
380 | if(revFlag == 0) return *(float *)(e->data + f->offset_root); |
381 | else{ |
382 | uint32_t aInt; |
383 | memcpy((void*)&aInt, e->data + f->offset_root, 4); |
384 | aInt = ___swab32(aInt); |
385 | return *((float*)&aInt); |
386 | } |
387 | } |
388 | |
963b5f2d |
389 | double ltt_event_get_double(LttEvent *e, LttField *f) |
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390 | { |
963b5f2d |
391 | int revFlag = e->tracefile->trace->my_arch_endian == |
392 | e->tracefile->trace->system_description->endian ? 0:1; |
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393 | |
394 | if(f->field_type->type_class != LTT_FLOAT || |
395 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 8)) |
396 | g_error("The type of the field is not double\n"); |
397 | |
398 | if(revFlag == 0) return *(double *)(e->data + f->offset_root); |
399 | else{ |
400 | uint64_t aInt; |
401 | memcpy((void*)&aInt, e->data + f->offset_root, 8); |
402 | aInt = ___swab64(aInt); |
403 | return *((double *)&aInt); |
404 | } |
405 | } |
406 | |
407 | /***************************************************************************** |
408 | * The string obtained is only valid until the next read from |
908f42fa |
409 | * the same tracefile. |
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410 | ****************************************************************************/ |
411 | |
963b5f2d |
412 | char *ltt_event_get_string(LttEvent *e, LttField *f) |
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413 | { |
414 | if(f->field_type->type_class != LTT_STRING) |
415 | g_error("The field contains no string\n"); |
416 | return (char*)g_strdup((char*)(e->data + f->offset_root)); |
417 | } |