| 1 | #include <stdio.h> |
| 2 | #include <asm/types.h> |
| 3 | #include <linux/byteorder/swab.h> |
| 4 | |
| 5 | #include "LTTTypes.h" |
| 6 | #include "parser.h" |
| 7 | #include <ltt/event.h> |
| 8 | |
| 9 | /***************************************************************************** |
| 10 | *Function name |
| 11 | * ltt_facility_eventtype_id: get event type id |
| 12 | * (base id + position of the event) |
| 13 | *Input params |
| 14 | * e : an instance of an event type |
| 15 | *Return value |
| 16 | * unsigned : event type id |
| 17 | ****************************************************************************/ |
| 18 | |
| 19 | unsigned ltt_event_eventtype_id(ltt_event *e) |
| 20 | { |
| 21 | return (unsigned) e->event_id; |
| 22 | } |
| 23 | |
| 24 | /***************************************************************************** |
| 25 | *Function name |
| 26 | * ltt_event_facility : get the facility of the event |
| 27 | *Input params |
| 28 | * e : an instance of an event type |
| 29 | *Return value |
| 30 | * ltt_facility * : the facility of the event |
| 31 | ****************************************************************************/ |
| 32 | |
| 33 | ltt_facility *ltt_event_facility(ltt_event *e) |
| 34 | { |
| 35 | ltt_eventtype * evT; |
| 36 | ptr_wrap * ptr; |
| 37 | ptr = (ptr_wrap*)g_ptr_array_index(e->tracefile->eventtype_event_id, |
| 38 | (gint)(e->event_id)); |
| 39 | evT = (ltt_eventtype*)(ptr->ptr); |
| 40 | |
| 41 | if(!evT) return NULL; |
| 42 | return evT->facility; |
| 43 | } |
| 44 | |
| 45 | /***************************************************************************** |
| 46 | *Function name |
| 47 | * ltt_event_eventtype : get the event type of the event |
| 48 | *Input params |
| 49 | * e : an instance of an event type |
| 50 | *Return value |
| 51 | * ltt_eventtype * : the event type of the event |
| 52 | ****************************************************************************/ |
| 53 | |
| 54 | ltt_eventtype *ltt_event_eventtype(ltt_event *e) |
| 55 | { |
| 56 | ptr_wrap * ptr; |
| 57 | ptr = (ptr_wrap*)g_ptr_array_index(e->tracefile->eventtype_event_id, |
| 58 | (gint)(e->event_id)); |
| 59 | return (ltt_eventtype*)(ptr->ptr); |
| 60 | } |
| 61 | |
| 62 | /***************************************************************************** |
| 63 | *Function name |
| 64 | * ltt_event_time : get the time of the event |
| 65 | *Input params |
| 66 | * e : an instance of an event type |
| 67 | *Return value |
| 68 | * ltt_time : the time of the event |
| 69 | ****************************************************************************/ |
| 70 | |
| 71 | ltt_time ltt_event_time(ltt_event *e) |
| 72 | { |
| 73 | return getEventTime(e->tracefile); |
| 74 | } |
| 75 | |
| 76 | /***************************************************************************** |
| 77 | *Function name |
| 78 | * ltt_event_time : get the cycle count of the event |
| 79 | *Input params |
| 80 | * e : an instance of an event type |
| 81 | *Return value |
| 82 | * ltt_time : the cycle count of the event |
| 83 | ****************************************************************************/ |
| 84 | |
| 85 | ltt_cycle_count ltt_event_cycle_count(ltt_event *e) |
| 86 | { |
| 87 | return e->cycle_count; |
| 88 | } |
| 89 | |
| 90 | /***************************************************************************** |
| 91 | *Function name |
| 92 | * ltt_event_cpu_i: get the cpu id where the event happens |
| 93 | *Input params |
| 94 | * e : an instance of an event type |
| 95 | *Return value |
| 96 | * unsigned : the cpu id |
| 97 | ****************************************************************************/ |
| 98 | |
| 99 | unsigned ltt_event_cpu_id(ltt_event *e) |
| 100 | { |
| 101 | return e->tracefile->trace_header->cpu_id; |
| 102 | } |
| 103 | |
| 104 | /***************************************************************************** |
| 105 | *Function name |
| 106 | * ltt_event_cpu_i: get the name of the system where the event happens |
| 107 | *Input params |
| 108 | * e : an instance of an event type |
| 109 | *Return value |
| 110 | * char * : the name of the system |
| 111 | ****************************************************************************/ |
| 112 | |
| 113 | char *ltt_event_system_name(ltt_event *e) |
| 114 | { |
| 115 | return e->tracefile->trace_header->system_name; |
| 116 | } |
| 117 | |
| 118 | /***************************************************************************** |
| 119 | *Function name |
| 120 | * ltt_event_data : get the raw data for the event |
| 121 | *Input params |
| 122 | * e : an instance of an event type |
| 123 | *Return value |
| 124 | * void * : pointer to the raw data for the event |
| 125 | ****************************************************************************/ |
| 126 | |
| 127 | void *ltt_event_data(ltt_event *e) |
| 128 | { |
| 129 | return e->data; |
| 130 | } |
| 131 | |
| 132 | /***************************************************************************** |
| 133 | *Function name |
| 134 | * ltt_event_field_element_number |
| 135 | * : The number of elements in a sequence field is specific |
| 136 | * to each event. This function returns the number of |
| 137 | * elements for an array or sequence field in an event. |
| 138 | *Input params |
| 139 | * e : an instance of an event type ???? |
| 140 | * f : a field of the instance |
| 141 | *Return value |
| 142 | * unsigned : the number of elements for an array/sequence field |
| 143 | ****************************************************************************/ |
| 144 | |
| 145 | unsigned ltt_event_field_element_number(ltt_event *e, ltt_field *f) |
| 146 | { |
| 147 | if(f->field_type->type_class != LTT_ARRAY && |
| 148 | f->field_type->type_class != LTT_SEQUENCE) |
| 149 | return 0; |
| 150 | |
| 151 | return f->field_type->element_number; |
| 152 | } |
| 153 | |
| 154 | /***************************************************************************** |
| 155 | *Function name |
| 156 | * ltt_event_field_element_select |
| 157 | * : Set the currently selected element for a sequence or |
| 158 | * array field |
| 159 | *Input params |
| 160 | * e : an instance of an event type ???? |
| 161 | * f : a field of the instance |
| 162 | * i : the ith element |
| 163 | *Return value |
| 164 | * int : ???? error number |
| 165 | ****************************************************************************/ |
| 166 | |
| 167 | int ltt_event_field_element_select(ltt_event *e, ltt_field *f, unsigned i) |
| 168 | { |
| 169 | if(f->field_type->type_class != LTT_ARRAY && |
| 170 | f->field_type->type_class != LTT_SEQUENCE) |
| 171 | return -1; //????? |
| 172 | |
| 173 | if(f->field_type->element_number < i || i == 0) return -1; //???? |
| 174 | |
| 175 | f->current_element = i - 1; |
| 176 | return 0; |
| 177 | } |
| 178 | |
| 179 | /***************************************************************************** |
| 180 | * These functions extract data from an event after architecture specific |
| 181 | * conversions |
| 182 | ****************************************************************************/ |
| 183 | |
| 184 | unsigned ltt_event_get_unsigned(ltt_event *e, ltt_field *f) |
| 185 | { |
| 186 | ltt_arch_size rSize = e->tracefile->trace_header->arch_size; |
| 187 | int revFlag = e->tracefile->my_arch_endian == |
| 188 | e->tracefile->trace_header->arch_endian ? 0:1; |
| 189 | ltt_type_enum t = f->field_type->type_class; |
| 190 | |
| 191 | if(t != LTT_UINT || t != LTT_ENUM) |
| 192 | g_error("The type of the field is not unsigned int\n"); |
| 193 | |
| 194 | if(rSize == LTT_LP32){ |
| 195 | if(f->field_size != 2) |
| 196 | g_error("The type of the field is not unsigned int: uint16_t\n"); |
| 197 | else{ |
| 198 | uint16_t x = *(uint16_t *)(e->data + f->offset_root); |
| 199 | return (unsigned) (revFlag ? BREV16(x) : x); |
| 200 | } |
| 201 | }else if(rSize == LTT_ILP32 || rSize == LTT_LP64){ |
| 202 | if(f->field_size != 4) |
| 203 | g_error("The type of the field is not unsigned int: uint32_t\n"); |
| 204 | else{ |
| 205 | uint32_t x = *(uint32_t *)(e->data + f->offset_root); |
| 206 | return (unsigned) (revFlag ? BREV32(x): x); |
| 207 | } |
| 208 | }else if(rSize == LTT_ILP64){ |
| 209 | if(f->field_size != 8) |
| 210 | g_error("The type of the field is not unsigned int: uint64_t\n"); |
| 211 | else{ |
| 212 | uint64_t x = *(uint64_t *)(e->data + f->offset_root); |
| 213 | return (unsigned) (revFlag ? BREV64(x): x); |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | int ltt_event_get_int(ltt_event *e, ltt_field *f) |
| 219 | { |
| 220 | ltt_arch_size rSize = e->tracefile->trace_header->arch_size; |
| 221 | int revFlag = e->tracefile->my_arch_endian == |
| 222 | e->tracefile->trace_header->arch_endian ? 0:1; |
| 223 | |
| 224 | if(f->field_type->type_class != LTT_INT) |
| 225 | g_error("The type of the field is not int\n"); |
| 226 | |
| 227 | if(rSize == LTT_LP32){ |
| 228 | if(f->field_size != 2) |
| 229 | g_error("The type of the field is not int: int16_t\n"); |
| 230 | else{ |
| 231 | int16_t x = *(int16_t *)(e->data + f->offset_root); |
| 232 | return (int) (revFlag ? BREV16(x) : x); |
| 233 | } |
| 234 | }else if(rSize == LTT_ILP32 || rSize == LTT_LP64){ |
| 235 | if(f->field_size != 4) |
| 236 | g_error("The type of the field is not int: int32_t\n"); |
| 237 | else{ |
| 238 | int32_t x = *(int32_t *)(e->data + f->offset_root); |
| 239 | return (int) (revFlag ? BREV32(x): x); |
| 240 | } |
| 241 | }else if(rSize == LTT_ILP64){ |
| 242 | if(f->field_size != 8) |
| 243 | g_error("The type of the field is not int: int64_t\n"); |
| 244 | else{ |
| 245 | int64_t x = *(int64_t *)(e->data + f->offset_root); |
| 246 | return (int) (revFlag ? BREV64(x): x); |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | unsigned long ltt_event_get_long_unsigned(ltt_event *e, ltt_field *f) |
| 252 | { |
| 253 | ltt_arch_size rSize = e->tracefile->trace_header->arch_size; |
| 254 | int revFlag = e->tracefile->my_arch_endian == |
| 255 | e->tracefile->trace_header->arch_endian ? 0:1; |
| 256 | ltt_type_enum t = f->field_type->type_class; |
| 257 | |
| 258 | if(t != LTT_UINT || t != LTT_ENUM) |
| 259 | g_error("The type of the field is not unsigned long\n"); |
| 260 | |
| 261 | if(rSize == LTT_LP32 || rSize == LTT_ILP32 ){ |
| 262 | if(f->field_size != 4) |
| 263 | g_error("The type of the field is not unsigned long: uint32_t\n"); |
| 264 | else{ |
| 265 | uint32_t x = *(uint32_t *)(e->data + f->offset_root); |
| 266 | return (unsigned long) (revFlag ? BREV32(x) : x); |
| 267 | } |
| 268 | }else if(rSize == LTT_LP64 || rSize == LTT_ILP64){ |
| 269 | if(f->field_size != 8) |
| 270 | g_error("The type of the field is not unsigned long: uint64_t\n"); |
| 271 | else{ |
| 272 | uint64_t x = *(uint64_t *)(e->data + f->offset_root); |
| 273 | return (unsigned long) (revFlag ? BREV64(x): x); |
| 274 | } |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | long int ltt_event_get_long_int(ltt_event *e, ltt_field *f) |
| 279 | { |
| 280 | ltt_arch_size rSize = e->tracefile->trace_header->arch_size; |
| 281 | int revFlag = e->tracefile->my_arch_endian == |
| 282 | e->tracefile->trace_header->arch_endian ? 0:1; |
| 283 | |
| 284 | if( f->field_type->type_class != LTT_INT) |
| 285 | g_error("The type of the field is not long int\n"); |
| 286 | |
| 287 | if(rSize == LTT_LP32 || rSize == LTT_ILP32 ){ |
| 288 | if(f->field_size != 4) |
| 289 | g_error("The type of the field is not long int: int32_t\n"); |
| 290 | else{ |
| 291 | int32_t x = *(int32_t *)(e->data + f->offset_root); |
| 292 | return (long) (revFlag ? BREV32(x) : x); |
| 293 | } |
| 294 | }else if(rSize == LTT_LP64 || rSize == LTT_ILP64){ |
| 295 | if(f->field_size != 8) |
| 296 | g_error("The type of the field is not long int: int64_t\n"); |
| 297 | else{ |
| 298 | int64_t x = *(int64_t *)(e->data + f->offset_root); |
| 299 | return (long) (revFlag ? BREV64(x): x); |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | float ltt_event_get_float(ltt_event *e, ltt_field *f) |
| 305 | { |
| 306 | int revFlag = e->tracefile->my_arch_endian == |
| 307 | e->tracefile->trace_header->arch_endian ? 0:1; |
| 308 | |
| 309 | if(f->field_type->type_class != LTT_FLOAT || |
| 310 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 4)) |
| 311 | g_error("The type of the field is not float\n"); |
| 312 | |
| 313 | if(revFlag == 0) return *(float *)(e->data + f->offset_root); |
| 314 | else{ |
| 315 | uint32_t aInt; |
| 316 | memcpy((void*)&aInt, e->data + f->offset_root, 4); |
| 317 | aInt = ___swab32(aInt); |
| 318 | return *((float*)&aInt); |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | double ltt_event_get_double(ltt_event *e, ltt_field *f) |
| 323 | { |
| 324 | int revFlag = e->tracefile->my_arch_endian == |
| 325 | e->tracefile->trace_header->arch_endian ? 0:1; |
| 326 | |
| 327 | if(f->field_type->type_class != LTT_FLOAT || |
| 328 | (f->field_type->type_class == LTT_FLOAT && f->field_size != 8)) |
| 329 | g_error("The type of the field is not double\n"); |
| 330 | |
| 331 | if(revFlag == 0) return *(double *)(e->data + f->offset_root); |
| 332 | else{ |
| 333 | uint64_t aInt; |
| 334 | memcpy((void*)&aInt, e->data + f->offset_root, 8); |
| 335 | aInt = ___swab64(aInt); |
| 336 | return *((double *)&aInt); |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | /***************************************************************************** |
| 341 | * The string obtained is only valid until the next read from |
| 342 | * the same tracefile. ???? |
| 343 | ****************************************************************************/ |
| 344 | |
| 345 | char *ltt_event_get_string(ltt_event *e, ltt_field *f) |
| 346 | { |
| 347 | if(f->field_type->type_class != LTT_STRING) |
| 348 | g_error("The field contains no string\n"); |
| 349 | return (char*)g_strdup((char*)(e->data + f->offset_root)); |
| 350 | } |