| 1 | // |
| 2 | // DWARFManager.cpp: DWARF format manager |
| 3 | // |
| 4 | // by Jean-Paul Mari |
| 5 | // |
| 6 | // JPM = Jean-Paul Mari <djipi.mari@gmail.com> |
| 7 | // |
| 8 | // WHO WHEN WHAT |
| 9 | // --- ---------- ------------------------------------------------------------ |
| 10 | // JPM 12/03/2016 Created this file |
| 11 | // JPM 12/03/2016 DWARF format support |
| 12 | |
| 13 | |
| 14 | #include <stdlib.h> |
| 15 | #include <stdio.h> |
| 16 | #include <stdint.h> |
| 17 | #include <string.h> |
| 18 | #include <libdwarf.h> |
| 19 | #include <dwarf.h> |
| 20 | |
| 21 | |
| 22 | // Source line internal structure |
| 23 | struct DMIStruct_LineSrc |
| 24 | { |
| 25 | size_t Tag; |
| 26 | size_t StartPC; |
| 27 | size_t NumLineSrc; |
| 28 | char *PtrLineSrc; |
| 29 | }S_DMIStruct_LineSrc; |
| 30 | |
| 31 | // Base type internal structure |
| 32 | struct BaseTypeStruct |
| 33 | { |
| 34 | size_t Tag; // Type's Tag |
| 35 | size_t Offset; // Type's offset |
| 36 | size_t TypeOffset; // Type's offset on another type |
| 37 | size_t ByteSize; // Type's Byte Size |
| 38 | size_t Encoding; // Type's encoding |
| 39 | char *PtrName; // Type's name |
| 40 | }S_BaseTypeStruct; |
| 41 | |
| 42 | // Variables internal structure |
| 43 | struct VariablesStruct |
| 44 | { |
| 45 | size_t Addr; // Variable memory address |
| 46 | char *PtrName; // Variable's name |
| 47 | size_t TypeOffset; // Offset pointing on the Variable's Type |
| 48 | size_t TypeByteSize; // Variable's Type byte size |
| 49 | size_t TypeTag; // Variable's Type Tag |
| 50 | size_t TypeEncoding; // Variable's Type encoding |
| 51 | char *PtrTypeName; // Variable's Type name |
| 52 | }S_VariablesStruct; |
| 53 | |
| 54 | // Sub program internal structure |
| 55 | struct SubProgStruct |
| 56 | { |
| 57 | size_t Tag; |
| 58 | size_t NumLineSrc; |
| 59 | size_t StartPC; |
| 60 | size_t LowPC, HighPC; |
| 61 | char *PtrLineSrc; |
| 62 | char *PtrSubprogramName; |
| 63 | size_t NbLinesSrc; |
| 64 | DMIStruct_LineSrc *PtrLinesSrc; |
| 65 | }S_SubProgStruct; |
| 66 | |
| 67 | // Compilation Unit internal structure |
| 68 | struct CUStruct |
| 69 | { |
| 70 | size_t Tag; |
| 71 | size_t LowPC, HighPC; |
| 72 | char *PtrProducer; // Pointer to the "Producer" information (compiler and compilation options used) |
| 73 | char *PtrFullFilename; // Pointer to full namefile (directory & filename) |
| 74 | size_t SizeLoadSrc; // Source code size |
| 75 | char *PtrLoadSrc; // Pointer to loaded source code |
| 76 | size_t NbLinesLoadSrc; // Lines source number |
| 77 | char **PtrLinesLoadSrc; // Pointer lists to each source line put in QT html/text conformity |
| 78 | size_t NbSubProgs; // Number of sub programs / routines |
| 79 | SubProgStruct *PtrSubProgs; // Pointer to the sub programs / routines information structure |
| 80 | size_t NbTypes; |
| 81 | BaseTypeStruct *PtrTypes; |
| 82 | size_t NbVariables; // Variables number |
| 83 | VariablesStruct *PtrVariables; // Pointer to the variables list information structure |
| 84 | }S_CUStruct; |
| 85 | |
| 86 | |
| 87 | // Dwarf management |
| 88 | uint32_t LibDwarf; |
| 89 | uint32_t NbCU; |
| 90 | Dwarf_Ptr errarg; |
| 91 | Dwarf_Error error; |
| 92 | Dwarf_Debug dbg; |
| 93 | CUStruct *PtrCU; |
| 94 | |
| 95 | |
| 96 | // |
| 97 | Dwarf_Handler DWARFManager_ErrorHandler(Dwarf_Ptr perrarg); |
| 98 | void DWARFManager_InitDMI(void); |
| 99 | void DWARFManager_CloseDMI(void); |
| 100 | bool DWARFManager_ElfClose(void); |
| 101 | char *DWARFManager_GetLineSrcFromNumLine(char *PtrSrcFile, size_t NumLine); |
| 102 | |
| 103 | |
| 104 | // |
| 105 | Dwarf_Handler DWARFManager_ErrorHandler(Dwarf_Ptr perrarg) |
| 106 | { |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | |
| 111 | // Dwarf manager init |
| 112 | void DWARFManager_Init(void) |
| 113 | { |
| 114 | LibDwarf = DW_DLV_NO_ENTRY; |
| 115 | } |
| 116 | |
| 117 | |
| 118 | // Dwarf manager Reset |
| 119 | bool DWARFManager_Reset(void) |
| 120 | { |
| 121 | return DWARFManager_ElfClose(); |
| 122 | } |
| 123 | |
| 124 | |
| 125 | // Dwarf manager Close |
| 126 | bool DWARFManager_Close(void) |
| 127 | { |
| 128 | return(DWARFManager_Reset()); |
| 129 | } |
| 130 | |
| 131 | |
| 132 | // Dwarf manager Elf init |
| 133 | int DWARFManager_ElfInit(Elf *ElfPtr) |
| 134 | { |
| 135 | if ((LibDwarf = dwarf_elf_init(ElfPtr, DW_DLC_READ, (Dwarf_Handler)DWARFManager_ErrorHandler, errarg, &dbg, &error)) == DW_DLV_OK) |
| 136 | { |
| 137 | DWARFManager_InitDMI(); |
| 138 | } |
| 139 | |
| 140 | return LibDwarf; |
| 141 | } |
| 142 | |
| 143 | |
| 144 | // Dwarf manager Elf close |
| 145 | bool DWARFManager_ElfClose(void) |
| 146 | { |
| 147 | if (LibDwarf == DW_DLV_OK) |
| 148 | { |
| 149 | DWARFManager_CloseDMI(); |
| 150 | |
| 151 | if (dwarf_finish(dbg, &error) == DW_DLV_OK) |
| 152 | { |
| 153 | LibDwarf = DW_DLV_NO_ENTRY; |
| 154 | return true; |
| 155 | } |
| 156 | else |
| 157 | { |
| 158 | return false; |
| 159 | } |
| 160 | } |
| 161 | else |
| 162 | { |
| 163 | return true; |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | |
| 168 | // Dwarf manager Compilation Units close |
| 169 | void DWARFManager_CloseDMI(void) |
| 170 | { |
| 171 | while (NbCU--) |
| 172 | { |
| 173 | free(PtrCU[NbCU].PtrFullFilename); |
| 174 | free(PtrCU[NbCU].PtrLoadSrc); |
| 175 | free(PtrCU[NbCU].PtrProducer); |
| 176 | |
| 177 | while (PtrCU[NbCU].NbLinesLoadSrc--) |
| 178 | { |
| 179 | free(PtrCU[NbCU].PtrLinesLoadSrc[PtrCU[NbCU].NbLinesLoadSrc]); |
| 180 | } |
| 181 | free(PtrCU[NbCU].PtrLinesLoadSrc); |
| 182 | |
| 183 | while (PtrCU[NbCU].NbSubProgs--) |
| 184 | { |
| 185 | free(PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrLinesSrc); |
| 186 | free(PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrSubprogramName); |
| 187 | } |
| 188 | free(PtrCU[NbCU].PtrSubProgs); |
| 189 | |
| 190 | while (PtrCU[NbCU].NbTypes--) |
| 191 | { |
| 192 | free(PtrCU[NbCU].PtrTypes[PtrCU[NbCU].NbTypes].PtrName); |
| 193 | } |
| 194 | free(PtrCU[NbCU].PtrTypes); |
| 195 | |
| 196 | while (PtrCU[NbCU].NbVariables--) |
| 197 | { |
| 198 | free(PtrCU[NbCU].PtrVariables[PtrCU[NbCU].NbVariables].PtrName); |
| 199 | free(PtrCU[NbCU].PtrVariables[PtrCU[NbCU].NbVariables].PtrTypeName); |
| 200 | } |
| 201 | free(PtrCU[NbCU].PtrVariables); |
| 202 | } |
| 203 | |
| 204 | free(PtrCU); |
| 205 | } |
| 206 | |
| 207 | |
| 208 | // Dwarf manager Compilation Units initialisations |
| 209 | void DWARFManager_InitDMI(void) |
| 210 | { |
| 211 | Dwarf_Unsigned next_cu_header, return_uvalue; |
| 212 | Dwarf_Error error; |
| 213 | Dwarf_Attribute *atlist; |
| 214 | Dwarf_Attribute return_attr1; |
| 215 | Dwarf_Half return_tagval, return_attr; |
| 216 | Dwarf_Addr return_lowpc, return_highpc, return_lineaddr; |
| 217 | Dwarf_Block *return_block; |
| 218 | Dwarf_Signed atcnt, cnt; |
| 219 | Dwarf_Die return_sib, return_die; |
| 220 | Dwarf_Off return_offset; |
| 221 | Dwarf_Line *linebuf; |
| 222 | FILE *SrcFile; |
| 223 | size_t i, j, k, TypeOffset; |
| 224 | char *return_string; |
| 225 | char *Ptr; |
| 226 | char *SourceFilename = NULL; |
| 227 | char *SourceFileDirectory = NULL; |
| 228 | char *SourceFullFilename = NULL; |
| 229 | |
| 230 | // Initialisation for the Compilation Units table |
| 231 | NbCU = 0; |
| 232 | PtrCU = NULL; |
| 233 | |
| 234 | // loop on the available Compilation Unit |
| 235 | while (dwarf_next_cu_header(dbg, NULL, NULL, NULL, NULL, &next_cu_header, &error) == DW_DLV_OK) |
| 236 | { |
| 237 | // Allocation of an additional Compilation Unit structure in the table |
| 238 | if (Ptr = (char *)realloc(PtrCU, ((NbCU + 1) * sizeof(CUStruct)))) |
| 239 | { |
| 240 | // Compilation Unit RAZ |
| 241 | PtrCU = (CUStruct *)Ptr; |
| 242 | memset(PtrCU + NbCU, 0, sizeof(CUStruct)); |
| 243 | |
| 244 | // Get 1st Die from the Compilation Unit |
| 245 | if (dwarf_siblingof(dbg, NULL, &return_sib, &error) == DW_DLV_OK) |
| 246 | { |
| 247 | // Get Die's Tag |
| 248 | if ((dwarf_tag(return_sib, &return_tagval, &error) == DW_DLV_OK)) |
| 249 | { |
| 250 | PtrCU[NbCU].Tag = return_tagval; |
| 251 | |
| 252 | // Die type detection |
| 253 | switch (return_tagval) |
| 254 | { |
| 255 | case DW_TAG_compile_unit: |
| 256 | if (dwarf_attrlist(return_sib, &atlist, &atcnt, &error) == DW_DLV_OK) |
| 257 | { |
| 258 | for (Dwarf_Signed i = 0; i < atcnt; ++i) |
| 259 | { |
| 260 | if (dwarf_whatattr(atlist[i], &return_attr, &error) == DW_DLV_OK) |
| 261 | { |
| 262 | switch (return_attr) |
| 263 | { |
| 264 | case DW_AT_low_pc: |
| 265 | if (dwarf_lowpc(return_sib, &return_lowpc, &error) == DW_DLV_OK) |
| 266 | { |
| 267 | PtrCU[NbCU].LowPC = return_lowpc; |
| 268 | } |
| 269 | break; |
| 270 | |
| 271 | case DW_AT_high_pc: |
| 272 | if (dwarf_highpc(return_sib, &return_highpc, &error) == DW_DLV_OK) |
| 273 | { |
| 274 | PtrCU[NbCU].HighPC = return_highpc; |
| 275 | } |
| 276 | break; |
| 277 | |
| 278 | case DW_AT_producer: |
| 279 | if (dwarf_formstring(atlist[i], &return_string, &error) == DW_DLV_OK) |
| 280 | { |
| 281 | PtrCU[NbCU].PtrProducer = (char *)calloc(strlen(return_string) + 1, 1); |
| 282 | strcpy(PtrCU[NbCU].PtrProducer, return_string); |
| 283 | dwarf_dealloc(dbg, return_string, DW_DLA_STRING); |
| 284 | } |
| 285 | break; |
| 286 | |
| 287 | case DW_AT_name: |
| 288 | if (dwarf_formstring(atlist[i], &return_string, &error) == DW_DLV_OK) |
| 289 | { |
| 290 | SourceFilename = (char *)realloc(SourceFilename, strlen(return_string) + 1); |
| 291 | strcpy(SourceFilename, return_string); |
| 292 | dwarf_dealloc(dbg, return_string, DW_DLA_STRING); |
| 293 | } |
| 294 | break; |
| 295 | |
| 296 | case DW_AT_comp_dir: |
| 297 | if (dwarf_formstring(atlist[i], &return_string, &error) == DW_DLV_OK) |
| 298 | { |
| 299 | SourceFileDirectory = (char *)realloc(SourceFileDirectory, strlen(return_string) + 1); |
| 300 | strcpy(SourceFileDirectory, return_string); |
| 301 | dwarf_dealloc(dbg, return_string, DW_DLA_STRING); |
| 302 | } |
| 303 | break; |
| 304 | |
| 305 | default: |
| 306 | break; |
| 307 | } |
| 308 | } |
| 309 | dwarf_dealloc(dbg, atlist[i], DW_DLA_ATTR); |
| 310 | } |
| 311 | dwarf_dealloc(dbg, atlist, DW_DLA_LIST); |
| 312 | } |
| 313 | |
| 314 | Ptr = SourceFullFilename = (char *)realloc(SourceFullFilename, strlen(SourceFilename) + strlen(SourceFileDirectory) + 2); |
| 315 | sprintf(SourceFullFilename, "%s\\%s", SourceFileDirectory, SourceFilename); |
| 316 | while (*Ptr) |
| 317 | { |
| 318 | if (*Ptr == '/') |
| 319 | { |
| 320 | *Ptr = '\\'; |
| 321 | } |
| 322 | Ptr++; |
| 323 | } |
| 324 | PtrCU[NbCU].PtrFullFilename = (char *)calloc(strlen(SourceFullFilename) + 1, 1); |
| 325 | strcpy((char *)PtrCU[NbCU].PtrFullFilename, SourceFullFilename); |
| 326 | |
| 327 | #ifndef __CYGWIN__ |
| 328 | if (!fopen_s(&SrcFile, SourceFullFilename, "rt")) |
| 329 | #else |
| 330 | if (!(SrcFile = fopen(SourceFullFilename, "rt"))) |
| 331 | #endif |
| 332 | { |
| 333 | if (!fseek(SrcFile, 0, SEEK_END)) |
| 334 | { |
| 335 | if ((PtrCU[NbCU].SizeLoadSrc = ftell(SrcFile)) > 0) |
| 336 | { |
| 337 | if (PtrCU[NbCU].PtrLoadSrc = Ptr = (char *)calloc((PtrCU[NbCU].SizeLoadSrc + 1), 1)) |
| 338 | { |
| 339 | rewind(SrcFile); |
| 340 | if (PtrCU[NbCU].SizeLoadSrc < fread(Ptr, 1, PtrCU[NbCU].SizeLoadSrc, SrcFile)) |
| 341 | { |
| 342 | free(PtrCU[NbCU].PtrLoadSrc); |
| 343 | PtrCU[NbCU].PtrLoadSrc = NULL; |
| 344 | PtrCU[NbCU].SizeLoadSrc = 0; |
| 345 | } |
| 346 | else |
| 347 | { |
| 348 | do |
| 349 | { |
| 350 | if (*Ptr == 0xa) |
| 351 | { |
| 352 | PtrCU[NbCU].NbLinesLoadSrc++; |
| 353 | *Ptr = 0; |
| 354 | } |
| 355 | } while (*++Ptr); |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | } |
| 360 | fclose(SrcFile); |
| 361 | } |
| 362 | break; |
| 363 | |
| 364 | default: |
| 365 | break; |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | // Get the source lines table located in the Compilation Unit |
| 370 | if (dwarf_srclines(return_sib, &linebuf, &cnt, &error) == DW_DLV_OK) |
| 371 | { |
| 372 | } |
| 373 | |
| 374 | if (dwarf_child(return_sib, &return_die, &error) == DW_DLV_OK) |
| 375 | { |
| 376 | do |
| 377 | { |
| 378 | return_sib = return_die; |
| 379 | if ((dwarf_tag(return_die, &return_tagval, &error) == DW_DLV_OK)) |
| 380 | { |
| 381 | switch (return_tagval) |
| 382 | { |
| 383 | case DW_TAG_lexical_block: |
| 384 | break; |
| 385 | |
| 386 | case DW_TAG_variable: |
| 387 | if (dwarf_attrlist(return_die, &atlist, &atcnt, &error) == DW_DLV_OK) |
| 388 | { |
| 389 | PtrCU[NbCU].PtrVariables = (VariablesStruct *)realloc(PtrCU[NbCU].PtrVariables, ((PtrCU[NbCU].NbVariables + 1) * sizeof(VariablesStruct))); |
| 390 | memset(PtrCU[NbCU].PtrVariables + PtrCU[NbCU].NbVariables, 0, sizeof(VariablesStruct)); |
| 391 | |
| 392 | for (Dwarf_Signed i = 0; i < atcnt; ++i) |
| 393 | { |
| 394 | if (dwarf_whatattr(atlist[i], &return_attr, &error) == DW_DLV_OK) |
| 395 | { |
| 396 | if (dwarf_attr(return_die, return_attr, &return_attr1, &error) == DW_DLV_OK) |
| 397 | { |
| 398 | switch (return_attr) |
| 399 | { |
| 400 | case DW_AT_location: |
| 401 | if (dwarf_formblock(return_attr1, &return_block, &error) == DW_DLV_OK) |
| 402 | { |
| 403 | if (return_block->bl_len == 5) |
| 404 | { |
| 405 | PtrCU[NbCU].PtrVariables[PtrCU[NbCU].NbVariables].Addr = (*((unsigned char *)(return_block->bl_data) + 1) << 24) + (*((unsigned char *)(return_block->bl_data) + 2) << 16) + (*((unsigned char *)(return_block->bl_data) + 3) << 8) + (*((unsigned char *)(return_block->bl_data) + 4)); |
| 406 | } |
| 407 | dwarf_dealloc(dbg, return_block, DW_DLA_BLOCK); |
| 408 | } |
| 409 | break; |
| 410 | |
| 411 | case DW_AT_type: |
| 412 | if (dwarf_global_formref(return_attr1, &return_offset, &error) == DW_DLV_OK) |
| 413 | { |
| 414 | PtrCU[NbCU].PtrVariables[PtrCU[NbCU].NbVariables].TypeOffset = return_offset; |
| 415 | } |
| 416 | break; |
| 417 | |
| 418 | case DW_AT_name: |
| 419 | if (dwarf_formstring(return_attr1, &return_string, &error) == DW_DLV_OK) |
| 420 | { |
| 421 | PtrCU[NbCU].PtrVariables[PtrCU[NbCU].NbVariables].PtrName = (char *)calloc(strlen(return_string) + 1, 1); |
| 422 | strcpy(PtrCU[NbCU].PtrVariables[PtrCU[NbCU].NbVariables].PtrName, return_string); |
| 423 | dwarf_dealloc(dbg, return_string, DW_DLA_STRING); |
| 424 | } |
| 425 | break; |
| 426 | |
| 427 | default: |
| 428 | break; |
| 429 | } |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | dwarf_dealloc(dbg, atlist[i], DW_DLA_ATTR); |
| 434 | } |
| 435 | |
| 436 | PtrCU[NbCU].NbVariables++; |
| 437 | |
| 438 | dwarf_dealloc(dbg, atlist, DW_DLA_LIST); |
| 439 | } |
| 440 | break; |
| 441 | |
| 442 | case DW_TAG_base_type: |
| 443 | case DW_TAG_typedef: |
| 444 | case DW_TAG_structure_type: |
| 445 | case DW_TAG_pointer_type: |
| 446 | case DW_TAG_const_type: |
| 447 | case DW_TAG_array_type: |
| 448 | case DW_TAG_subrange_type: |
| 449 | case DW_TAG_subroutine_type: |
| 450 | if (dwarf_attrlist(return_die, &atlist, &atcnt, &error) == DW_DLV_OK) |
| 451 | { |
| 452 | PtrCU[NbCU].PtrTypes = (BaseTypeStruct *)realloc(PtrCU[NbCU].PtrTypes, ((PtrCU[NbCU].NbTypes + 1) * sizeof(BaseTypeStruct))); |
| 453 | memset(PtrCU[NbCU].PtrTypes + PtrCU[NbCU].NbTypes, 0, sizeof(BaseTypeStruct)); |
| 454 | PtrCU[NbCU].PtrTypes[PtrCU[NbCU].NbTypes].Tag = return_tagval; |
| 455 | |
| 456 | if (dwarf_dieoffset(return_die, &return_offset, &error) == DW_DLV_OK) |
| 457 | { |
| 458 | PtrCU[NbCU].PtrTypes[PtrCU[NbCU].NbTypes].Offset = return_offset; |
| 459 | } |
| 460 | |
| 461 | for (Dwarf_Signed i = 0; i < atcnt; ++i) |
| 462 | { |
| 463 | if (dwarf_whatattr(atlist[i], &return_attr, &error) == DW_DLV_OK) |
| 464 | { |
| 465 | if (dwarf_attr(return_die, return_attr, &return_attr1, &error) == DW_DLV_OK) |
| 466 | { |
| 467 | switch (return_attr) |
| 468 | { |
| 469 | case DW_AT_type: |
| 470 | if (dwarf_global_formref(return_attr1, &return_offset, &error) == DW_DLV_OK) |
| 471 | { |
| 472 | PtrCU[NbCU].PtrTypes[PtrCU[NbCU].NbTypes].TypeOffset = return_offset; |
| 473 | } |
| 474 | break; |
| 475 | |
| 476 | case DW_AT_byte_size: |
| 477 | if (dwarf_formudata(return_attr1, &return_uvalue, &error) == DW_DLV_OK) |
| 478 | { |
| 479 | PtrCU[NbCU].PtrTypes[PtrCU[NbCU].NbTypes].ByteSize = return_uvalue; |
| 480 | } |
| 481 | break; |
| 482 | |
| 483 | case DW_AT_encoding: |
| 484 | if (dwarf_formudata(return_attr1, &return_uvalue, &error) == DW_DLV_OK) |
| 485 | { |
| 486 | PtrCU[NbCU].PtrTypes[PtrCU[NbCU].NbTypes].Encoding = return_uvalue; |
| 487 | } |
| 488 | break; |
| 489 | |
| 490 | case DW_AT_name: |
| 491 | if (dwarf_formstring(return_attr1, &return_string, &error) == DW_DLV_OK) |
| 492 | { |
| 493 | PtrCU[NbCU].PtrTypes[PtrCU[NbCU].NbTypes].PtrName = (char *)calloc(strlen(return_string) + 1, 1); |
| 494 | strcpy(PtrCU[NbCU].PtrTypes[PtrCU[NbCU].NbTypes].PtrName, return_string); |
| 495 | dwarf_dealloc(dbg, return_string, DW_DLA_STRING); |
| 496 | } |
| 497 | break; |
| 498 | |
| 499 | default: |
| 500 | break; |
| 501 | } |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | dwarf_dealloc(dbg, atlist[i], DW_DLA_ATTR); |
| 506 | } |
| 507 | |
| 508 | PtrCU[NbCU].NbTypes++; |
| 509 | |
| 510 | dwarf_dealloc(dbg, atlist, DW_DLA_LIST); |
| 511 | } |
| 512 | break; |
| 513 | |
| 514 | case DW_TAG_subprogram: |
| 515 | if (dwarf_attrlist(return_die, &atlist, &atcnt, &error) == DW_DLV_OK) |
| 516 | { |
| 517 | PtrCU[NbCU].PtrSubProgs = (SubProgStruct *)realloc(PtrCU[NbCU].PtrSubProgs, ((PtrCU[NbCU].NbSubProgs + 1) * sizeof(SubProgStruct))); |
| 518 | memset((void *)(PtrCU[NbCU].PtrSubProgs + PtrCU[NbCU].NbSubProgs), 0, sizeof(SubProgStruct)); |
| 519 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].Tag = return_tagval; |
| 520 | |
| 521 | for (Dwarf_Signed i = 0; i < atcnt; ++i) |
| 522 | { |
| 523 | if (dwarf_whatattr(atlist[i], &return_attr, &error) == DW_DLV_OK) |
| 524 | { |
| 525 | if (dwarf_attr(return_die, return_attr, &return_attr1, &error) == DW_DLV_OK) |
| 526 | { |
| 527 | switch (return_attr) |
| 528 | { |
| 529 | case DW_AT_low_pc: |
| 530 | if (dwarf_lowpc(return_die, &return_lowpc, &error) == DW_DLV_OK) |
| 531 | { |
| 532 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].StartPC = return_lowpc; |
| 533 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].LowPC = return_lowpc; |
| 534 | } |
| 535 | break; |
| 536 | |
| 537 | case DW_AT_high_pc: |
| 538 | if (dwarf_highpc(return_die, &return_highpc, &error) == DW_DLV_OK) |
| 539 | { |
| 540 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].HighPC = return_highpc; |
| 541 | } |
| 542 | break; |
| 543 | |
| 544 | case DW_AT_decl_line: |
| 545 | if (dwarf_formudata(return_attr1, &return_uvalue, &error) == DW_DLV_OK) |
| 546 | { |
| 547 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].NumLineSrc = return_uvalue; |
| 548 | } |
| 549 | break; |
| 550 | |
| 551 | case DW_AT_name: |
| 552 | if (dwarf_formstring(return_attr1, &return_string, &error) == DW_DLV_OK) |
| 553 | { |
| 554 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrSubprogramName = (char *)calloc(strlen(return_string) + 1, 1); |
| 555 | strcpy(PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrSubprogramName, return_string); |
| 556 | dwarf_dealloc(dbg, return_string, DW_DLA_STRING); |
| 557 | } |
| 558 | break; |
| 559 | |
| 560 | default: |
| 561 | break; |
| 562 | } |
| 563 | } |
| 564 | } |
| 565 | dwarf_dealloc(dbg, atlist[i], DW_DLA_ATTR); |
| 566 | } |
| 567 | dwarf_dealloc(dbg, atlist, DW_DLA_LIST); |
| 568 | |
| 569 | for (i = 0; i < (size_t)cnt; ++i) |
| 570 | { |
| 571 | if (dwarf_lineaddr(linebuf[i], &return_lineaddr, &error) == DW_DLV_OK) |
| 572 | { |
| 573 | if (dwarf_lineno(linebuf[i], &return_uvalue, &error) == DW_DLV_OK) |
| 574 | { |
| 575 | if ((return_lineaddr >= return_lowpc) && (return_lineaddr <= return_highpc)) |
| 576 | { |
| 577 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrLinesSrc = (DMIStruct_LineSrc *)realloc(PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrLinesSrc, (PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].NbLinesSrc + 1) * sizeof(DMIStruct_LineSrc)); |
| 578 | memset((void *)(PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrLinesSrc + PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].NbLinesSrc), 0, sizeof(DMIStruct_LineSrc)); |
| 579 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrLinesSrc[PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].NbLinesSrc].StartPC = return_lineaddr; |
| 580 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].PtrLinesSrc[PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].NbLinesSrc].NumLineSrc = return_uvalue; |
| 581 | PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs].NbLinesSrc++; |
| 582 | } |
| 583 | } |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | PtrCU[NbCU].NbSubProgs++; |
| 588 | } |
| 589 | break; |
| 590 | |
| 591 | default: |
| 592 | break; |
| 593 | } |
| 594 | } |
| 595 | } |
| 596 | while (dwarf_siblingof(dbg, return_sib, &return_die, &error) == DW_DLV_OK); |
| 597 | } |
| 598 | |
| 599 | // Release the memory used by the source lines |
| 600 | for (i = 0; i < (size_t)cnt; ++i) |
| 601 | dwarf_dealloc(dbg, linebuf[i], DW_DLA_LINE); |
| 602 | dwarf_dealloc(dbg, linebuf, DW_DLA_LIST); |
| 603 | } |
| 604 | |
| 605 | // Set the source code lines for QT html/text conformity |
| 606 | if (PtrCU[NbCU].NbLinesLoadSrc) |
| 607 | { |
| 608 | if (PtrCU[NbCU].PtrLinesLoadSrc = (char **)calloc(PtrCU[NbCU].NbLinesLoadSrc, sizeof(char *))) |
| 609 | { |
| 610 | for (j = 0; j < PtrCU[NbCU].NbLinesLoadSrc; j++) |
| 611 | { |
| 612 | if (PtrCU[NbCU].PtrLinesLoadSrc[j] = (char *)calloc(10000, sizeof(char))) |
| 613 | { |
| 614 | if (Ptr = DWARFManager_GetLineSrcFromNumLine(PtrCU[NbCU].PtrLoadSrc, (j + 1))) |
| 615 | { |
| 616 | i = 0; |
| 617 | |
| 618 | while (*Ptr) |
| 619 | { |
| 620 | switch (*Ptr) |
| 621 | { |
| 622 | case 9: |
| 623 | strcat(PtrCU[NbCU].PtrLinesLoadSrc[j], " "); |
| 624 | i += strlen(" "); |
| 625 | break; |
| 626 | |
| 627 | case '<': |
| 628 | strcat(PtrCU[NbCU].PtrLinesLoadSrc[j], "<"); |
| 629 | i += strlen("<"); |
| 630 | break; |
| 631 | |
| 632 | case '>': |
| 633 | strcat(PtrCU[NbCU].PtrLinesLoadSrc[j], ">"); |
| 634 | i += strlen(">"); |
| 635 | break; |
| 636 | #if 0 |
| 637 | case '&': |
| 638 | strcpy(PtrCU[NbCU].PtrLinesLoadSrc[j], "&"); |
| 639 | i += strlen("&"); |
| 640 | break; |
| 641 | #endif |
| 642 | #if 0 |
| 643 | case '"': |
| 644 | strcpy(PtrCU[NbCU].PtrLinesLoadSrc[j], """); |
| 645 | i += strlen("""); |
| 646 | break; |
| 647 | #endif |
| 648 | default: |
| 649 | PtrCU[NbCU].PtrLinesLoadSrc[j][i++] = *Ptr; |
| 650 | break; |
| 651 | } |
| 652 | Ptr++; |
| 653 | } |
| 654 | } |
| 655 | PtrCU[NbCU].PtrLinesLoadSrc[j] = (char *)realloc(PtrCU[NbCU].PtrLinesLoadSrc[j], i + 1); |
| 656 | } |
| 657 | } |
| 658 | } |
| 659 | } |
| 660 | else |
| 661 | { |
| 662 | // Set each source lines pointer to NULL |
| 663 | i = PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs - 1].PtrLinesSrc[PtrCU[NbCU].PtrSubProgs[PtrCU[NbCU].NbSubProgs - 1].NbLinesSrc - 1].NumLineSrc; |
| 664 | if (PtrCU[NbCU].PtrLinesLoadSrc = (char **)calloc(i, sizeof(char *))) |
| 665 | { |
| 666 | for (j = 0; j < i; j++) |
| 667 | { |
| 668 | PtrCU[NbCU].PtrLinesLoadSrc[j] = NULL; |
| 669 | } |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | // Init lines source information based on each source code line numbers |
| 674 | for (j = 0; j < PtrCU[NbCU].NbSubProgs; j++) |
| 675 | { |
| 676 | PtrCU[NbCU].PtrSubProgs[j].PtrLineSrc = PtrCU[NbCU].PtrLinesLoadSrc[PtrCU[NbCU].PtrSubProgs[j].NumLineSrc - 1]; |
| 677 | |
| 678 | for (k = 0; k < PtrCU[NbCU].PtrSubProgs[j].NbLinesSrc; k++) |
| 679 | { |
| 680 | PtrCU[NbCU].PtrSubProgs[j].PtrLinesSrc[k].PtrLineSrc = PtrCU[NbCU].PtrLinesLoadSrc[PtrCU[NbCU].PtrSubProgs[j].PtrLinesSrc[k].NumLineSrc - 1]; |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | // Init variables information based on types information |
| 685 | for (i = 0; i < PtrCU[NbCU].NbVariables; i++) |
| 686 | { |
| 687 | PtrCU[NbCU].PtrVariables[i].PtrTypeName = (char *)calloc(1000, 1); |
| 688 | TypeOffset = PtrCU[NbCU].PtrVariables[i].TypeOffset; |
| 689 | |
| 690 | for (j = 0; j < PtrCU[NbCU].NbTypes; j++) |
| 691 | { |
| 692 | if (TypeOffset == PtrCU[NbCU].PtrTypes[j].Offset) |
| 693 | { |
| 694 | switch (PtrCU[NbCU].PtrTypes[j].Tag) |
| 695 | { |
| 696 | case DW_TAG_structure_type: |
| 697 | PtrCU[NbCU].PtrVariables[i].TypeTag |= 0x1; |
| 698 | if ((TypeOffset = PtrCU[NbCU].PtrTypes[j].TypeOffset)) |
| 699 | { |
| 700 | j = -1; |
| 701 | } |
| 702 | else |
| 703 | { |
| 704 | if ((PtrCU[NbCU].PtrVariables[i].TypeTag & 0x2)) |
| 705 | { |
| 706 | strcat(PtrCU[NbCU].PtrVariables[i].PtrTypeName, " *"); |
| 707 | } |
| 708 | } |
| 709 | break; |
| 710 | |
| 711 | case DW_TAG_pointer_type: |
| 712 | PtrCU[NbCU].PtrVariables[i].TypeTag |= 0x2; |
| 713 | PtrCU[NbCU].PtrVariables[i].TypeByteSize = PtrCU[NbCU].PtrTypes[j].ByteSize; |
| 714 | PtrCU[NbCU].PtrVariables[i].TypeEncoding = 0x10; |
| 715 | if (!(TypeOffset = PtrCU[NbCU].PtrTypes[j].TypeOffset)) |
| 716 | { |
| 717 | strcat(PtrCU[NbCU].PtrVariables[i].PtrTypeName, "void *"); |
| 718 | } |
| 719 | else |
| 720 | { |
| 721 | j = -1; |
| 722 | } |
| 723 | break; |
| 724 | |
| 725 | case DW_TAG_typedef: |
| 726 | PtrCU[NbCU].PtrVariables[i].TypeTag |= 0x20; |
| 727 | strcat(PtrCU[NbCU].PtrVariables[i].PtrTypeName, PtrCU[NbCU].PtrTypes[j].PtrName); |
| 728 | if ((TypeOffset = PtrCU[NbCU].PtrTypes[j].TypeOffset)) |
| 729 | { |
| 730 | j = -1; |
| 731 | } |
| 732 | break; |
| 733 | |
| 734 | case DW_TAG_subrange_type: |
| 735 | PtrCU[NbCU].PtrVariables[i].TypeTag |= 0x4; |
| 736 | break; |
| 737 | |
| 738 | case DW_TAG_array_type: |
| 739 | PtrCU[NbCU].PtrVariables[i].TypeTag |= 0x8; |
| 740 | if ((TypeOffset = PtrCU[NbCU].PtrTypes[j].TypeOffset)) |
| 741 | { |
| 742 | j = -1; |
| 743 | } |
| 744 | break; |
| 745 | |
| 746 | case DW_TAG_const_type: |
| 747 | PtrCU[NbCU].PtrVariables[i].TypeTag |= 0x10; |
| 748 | strcat(PtrCU[NbCU].PtrVariables[i].PtrTypeName, "const "); |
| 749 | if ((TypeOffset = PtrCU[NbCU].PtrTypes[j].TypeOffset)) |
| 750 | { |
| 751 | j = -1; |
| 752 | } |
| 753 | break; |
| 754 | |
| 755 | case DW_TAG_base_type: |
| 756 | strcat(PtrCU[NbCU].PtrVariables[i].PtrTypeName, PtrCU[NbCU].PtrTypes[j].PtrName); |
| 757 | if ((PtrCU[NbCU].PtrVariables[i].TypeTag & 0x2)) |
| 758 | { |
| 759 | strcat(PtrCU[NbCU].PtrVariables[i].PtrTypeName, " *"); |
| 760 | } |
| 761 | else |
| 762 | { |
| 763 | PtrCU[NbCU].PtrVariables[i].TypeByteSize = PtrCU[NbCU].PtrTypes[j].ByteSize; |
| 764 | PtrCU[NbCU].PtrVariables[i].TypeEncoding = PtrCU[NbCU].PtrTypes[j].Encoding; |
| 765 | } |
| 766 | if ((PtrCU[NbCU].PtrVariables[i].TypeTag & 0x8)) |
| 767 | { |
| 768 | strcat(PtrCU[NbCU].PtrVariables[i].PtrTypeName, "[]"); |
| 769 | } |
| 770 | break; |
| 771 | |
| 772 | default: |
| 773 | break; |
| 774 | } |
| 775 | } |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | ++NbCU; |
| 780 | } |
| 781 | } |
| 782 | |
| 783 | free(SourceFilename); |
| 784 | free(SourceFileDirectory); |
| 785 | free(SourceFullFilename); |
| 786 | } |
| 787 | |
| 788 | |
| 789 | // Get symbol name based from address |
| 790 | // Return NULL if no symbol name exists |
| 791 | char *DWARFManager_GetSymbolnameFromAdr(size_t Adr) |
| 792 | { |
| 793 | size_t i, j; |
| 794 | |
| 795 | for (i = 0; i < NbCU; i++) |
| 796 | { |
| 797 | if ((Adr >= PtrCU[i].LowPC) && (Adr < PtrCU[i].HighPC)) |
| 798 | { |
| 799 | for (j = 0; (j < PtrCU[i].NbSubProgs); j++) |
| 800 | { |
| 801 | if ((PtrCU[i].PtrSubProgs[j].StartPC == Adr)) |
| 802 | { |
| 803 | return PtrCU[i].PtrSubProgs[j].PtrSubprogramName; |
| 804 | } |
| 805 | } |
| 806 | } |
| 807 | } |
| 808 | |
| 809 | return NULL; |
| 810 | } |
| 811 | |
| 812 | |
| 813 | // Get complete source filename based from address |
| 814 | // Return NULL if no source filename exists |
| 815 | // Return the existence status (true or false) in Error |
| 816 | char *DWARFManager_GetFullSourceFilenameFromAdr(size_t Adr, bool *Error) |
| 817 | { |
| 818 | size_t i; |
| 819 | |
| 820 | for (i = 0; i < NbCU; i++) |
| 821 | { |
| 822 | if ((Adr >= PtrCU[i].LowPC) && (Adr < PtrCU[i].HighPC)) |
| 823 | { |
| 824 | *Error = PtrCU[i].PtrLoadSrc ? true : false; |
| 825 | return PtrCU[i].PtrFullFilename; |
| 826 | } |
| 827 | } |
| 828 | |
| 829 | return NULL; |
| 830 | } |
| 831 | |
| 832 | |
| 833 | // Get text line source based on line number (starting by 1) |
| 834 | // Return NULL if no text line exists or if line number is 0 |
| 835 | char *DWARFManager_GetLineSrcFromNumLine(char *PtrSrcFile, size_t NumLine) |
| 836 | { |
| 837 | size_t i = 0; |
| 838 | char *PtrLineSrc = NULL; |
| 839 | |
| 840 | if (PtrSrcFile) |
| 841 | { |
| 842 | while (i != NumLine) |
| 843 | { |
| 844 | PtrLineSrc = PtrSrcFile; |
| 845 | while (*PtrSrcFile++); |
| 846 | i++; |
| 847 | } |
| 848 | } |
| 849 | |
| 850 | return PtrLineSrc; |
| 851 | } |
| 852 | |
| 853 | |
| 854 | // Get Compilation Unit / External variables numbers |
| 855 | // Return variables number |
| 856 | size_t DWARFManager_GetNbExternalVariables(void) |
| 857 | { |
| 858 | size_t NbVariables = 0, i; |
| 859 | |
| 860 | for (i = 0; i < NbCU; i++) |
| 861 | { |
| 862 | NbVariables += PtrCU[i].NbVariables; |
| 863 | } |
| 864 | |
| 865 | return NbVariables; |
| 866 | } |
| 867 | |
| 868 | |
| 869 | // Get external variable type name based on his index (starting by 1) |
| 870 | // Return NULL if not found |
| 871 | // May return NULL if there is not type linked to the variable's index |
| 872 | char *DWARFManager_GetExternalVariableTypeName(size_t Index) |
| 873 | { |
| 874 | size_t i; |
| 875 | |
| 876 | for (i = 0; i < NbCU; i++) |
| 877 | { |
| 878 | if (PtrCU[i].NbVariables) |
| 879 | { |
| 880 | if (Index <= PtrCU[i].NbVariables) |
| 881 | { |
| 882 | return PtrCU[i].PtrVariables[Index - 1].PtrTypeName; |
| 883 | } |
| 884 | else |
| 885 | { |
| 886 | Index -= PtrCU[i].NbVariables; |
| 887 | } |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | return NULL; |
| 892 | } |
| 893 | |
| 894 | |
| 895 | // Get external variable's type tag based on his index (starting by 1) |
| 896 | // Return 0 if not found |
| 897 | size_t DWARFManager_GetExternalVariableTypeTag(size_t Index) |
| 898 | { |
| 899 | size_t i; |
| 900 | |
| 901 | for (i = 0; i < NbCU; i++) |
| 902 | { |
| 903 | if (PtrCU[i].NbVariables) |
| 904 | { |
| 905 | if (Index <= PtrCU[i].NbVariables) |
| 906 | { |
| 907 | return PtrCU[i].PtrVariables[Index - 1].TypeTag; |
| 908 | } |
| 909 | else |
| 910 | { |
| 911 | Index -= PtrCU[i].NbVariables; |
| 912 | } |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | return 0; |
| 917 | } |
| 918 | |
| 919 | |
| 920 | // Get external variable byte size based on his index (starting by 1) |
| 921 | // Return 0 if not found |
| 922 | size_t DWARFManager_GetExternalVariableTypeByteSize(size_t Index) |
| 923 | { |
| 924 | size_t i; |
| 925 | |
| 926 | for (i = 0; i < NbCU; i++) |
| 927 | { |
| 928 | if (PtrCU[i].NbVariables) |
| 929 | { |
| 930 | if (Index <= PtrCU[i].NbVariables) |
| 931 | { |
| 932 | return PtrCU[i].PtrVariables[Index - 1].TypeByteSize; |
| 933 | } |
| 934 | else |
| 935 | { |
| 936 | Index -= PtrCU[i].NbVariables; |
| 937 | } |
| 938 | } |
| 939 | } |
| 940 | |
| 941 | return 0; |
| 942 | } |
| 943 | |
| 944 | |
| 945 | // Get external variable encoding based on his index (starting by 1) |
| 946 | // Return 0 if not found |
| 947 | size_t DWARFManager_GetExternalVariableTypeEncoding(size_t Index) |
| 948 | { |
| 949 | size_t i; |
| 950 | |
| 951 | for (i = 0; i < NbCU; i++) |
| 952 | { |
| 953 | if (PtrCU[i].NbVariables) |
| 954 | { |
| 955 | if (Index <= PtrCU[i].NbVariables) |
| 956 | { |
| 957 | return PtrCU[i].PtrVariables[Index - 1].TypeEncoding; |
| 958 | } |
| 959 | else |
| 960 | { |
| 961 | Index -= PtrCU[i].NbVariables; |
| 962 | } |
| 963 | } |
| 964 | } |
| 965 | |
| 966 | return 0; |
| 967 | } |
| 968 | |
| 969 | |
| 970 | // Get external variable address based on his index (starting by 1) |
| 971 | // Return 0 if not found |
| 972 | size_t DWARFManager_GetExternalVariableAdr(size_t Index) |
| 973 | { |
| 974 | size_t i; |
| 975 | |
| 976 | for (i = 0; i < NbCU; i++) |
| 977 | { |
| 978 | if (PtrCU[i].NbVariables) |
| 979 | { |
| 980 | if (Index <= PtrCU[i].NbVariables) |
| 981 | { |
| 982 | return PtrCU[i].PtrVariables[Index - 1].Addr; |
| 983 | } |
| 984 | else |
| 985 | { |
| 986 | Index -= PtrCU[i].NbVariables; |
| 987 | } |
| 988 | } |
| 989 | } |
| 990 | |
| 991 | return 0; |
| 992 | } |
| 993 | |
| 994 | |
| 995 | // Get external variable memory address based on his name |
| 996 | // Return 0 if not found |
| 997 | // Note: Return the first occurence found |
| 998 | size_t DWARFManager_GetExternalVariableAdrFromName(char *VariableName) |
| 999 | { |
| 1000 | size_t i, j; |
| 1001 | |
| 1002 | for (i = 0; i < NbCU; i++) |
| 1003 | { |
| 1004 | if (PtrCU[i].NbVariables) |
| 1005 | { |
| 1006 | for (j = 0; j < PtrCU[i].NbVariables; j++) |
| 1007 | { |
| 1008 | if (!strcmp(PtrCU[i].PtrVariables[j].PtrName,VariableName)) |
| 1009 | { |
| 1010 | return PtrCU[i].PtrVariables[j].Addr; |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | } |
| 1015 | |
| 1016 | return 0; |
| 1017 | } |
| 1018 | |
| 1019 | |
| 1020 | // Get external variable name based on his index (starting by 1) |
| 1021 | // Return name's pointer text found |
| 1022 | // Return NULL if not found |
| 1023 | char *DWARFManager_GetExternalVariableName(size_t Index) |
| 1024 | { |
| 1025 | size_t i; |
| 1026 | |
| 1027 | for (i = 0; i < NbCU; i++) |
| 1028 | { |
| 1029 | if (PtrCU[i].NbVariables) |
| 1030 | { |
| 1031 | if (Index <= PtrCU[i].NbVariables) |
| 1032 | { |
| 1033 | return PtrCU[i].PtrVariables[Index - 1].PtrName; |
| 1034 | } |
| 1035 | else |
| 1036 | { |
| 1037 | Index -= PtrCU[i].NbVariables; |
| 1038 | } |
| 1039 | } |
| 1040 | } |
| 1041 | |
| 1042 | return NULL; |
| 1043 | } |
| 1044 | |
| 1045 | |
| 1046 | // Get text line from source based on address and his tag |
| 1047 | // Return NULL if no text line has been found |
| 1048 | char *DWARFManager_GetLineSrcFromAdr(size_t Adr, size_t Tag) |
| 1049 | { |
| 1050 | size_t i, j, k; |
| 1051 | |
| 1052 | for (i = 0; i < NbCU; i++) |
| 1053 | { |
| 1054 | if ((Adr >= PtrCU[i].LowPC) && (Adr < PtrCU[i].HighPC)) |
| 1055 | { |
| 1056 | for (j = 0; j < PtrCU[i].NbSubProgs; j++) |
| 1057 | { |
| 1058 | if ((Adr >= PtrCU[i].PtrSubProgs[j].LowPC) && (Adr < PtrCU[i].PtrSubProgs[j].HighPC)) |
| 1059 | { |
| 1060 | if ((PtrCU[i].PtrSubProgs[j].StartPC == Adr) && (!Tag || (Tag == DW_TAG_subprogram))) |
| 1061 | { |
| 1062 | return PtrCU[i].PtrSubProgs[j].PtrLineSrc; |
| 1063 | } |
| 1064 | else |
| 1065 | { |
| 1066 | for (k = 0; k < PtrCU[i].PtrSubProgs[j].NbLinesSrc; k++) |
| 1067 | { |
| 1068 | if ((PtrCU[i].PtrSubProgs[j].PtrLinesSrc[k].StartPC == Adr) && (!Tag || (PtrCU[i].PtrSubProgs[j].PtrLinesSrc[k].Tag == Tag))) |
| 1069 | { |
| 1070 | return PtrCU[i].PtrSubProgs[j].PtrLinesSrc[k].PtrLineSrc; |
| 1071 | } |
| 1072 | } |
| 1073 | } |
| 1074 | } |
| 1075 | } |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | return NULL; |
| 1080 | } |
| 1081 | |
| 1082 | |
| 1083 | // Get line number based on the address and the tag |
| 1084 | // Return 0 if no line number has been found |
| 1085 | size_t DWARFManager_GetNumLineFromAdr(size_t Adr, size_t Tag) |
| 1086 | { |
| 1087 | size_t i, j, k; |
| 1088 | |
| 1089 | for (i = 0; i < NbCU; i++) |
| 1090 | { |
| 1091 | if ((Adr >= PtrCU[i].LowPC) && (Adr < PtrCU[i].HighPC)) |
| 1092 | { |
| 1093 | for (j = 0; (j < PtrCU[i].NbSubProgs); j++) |
| 1094 | { |
| 1095 | if ((Adr >= PtrCU[i].PtrSubProgs[j].LowPC) && (Adr < PtrCU[i].PtrSubProgs[j].HighPC)) |
| 1096 | { |
| 1097 | if ((PtrCU[i].PtrSubProgs[j].StartPC == Adr) && (!Tag || (Tag == DW_TAG_subprogram))) |
| 1098 | { |
| 1099 | return PtrCU[i].PtrSubProgs[j].NumLineSrc; |
| 1100 | } |
| 1101 | else |
| 1102 | { |
| 1103 | for (k = 0; (k < PtrCU[i].PtrSubProgs[j].NbLinesSrc); k++) |
| 1104 | { |
| 1105 | if ((PtrCU[i].PtrSubProgs[j].PtrLinesSrc[k].StartPC == Adr) && (!Tag || (PtrCU[i].PtrSubProgs[j].PtrLinesSrc[k].Tag == Tag))) |
| 1106 | { |
| 1107 | return PtrCU[i].PtrSubProgs[j].PtrLinesSrc[k].NumLineSrc; |
| 1108 | } |
| 1109 | } |
| 1110 | } |
| 1111 | #if 0 |
| 1112 | if (!Tag || (Tag == DW_TAG_subprogram)) |
| 1113 | { |
| 1114 | return PtrCU[i].PtrSubProgs[j].NumLineSrc; |
| 1115 | } |
| 1116 | #endif |
| 1117 | } |
| 1118 | } |
| 1119 | } |
| 1120 | } |
| 1121 | |
| 1122 | return 0; |
| 1123 | } |
| 1124 | |
| 1125 | |
| 1126 | // Get text line from source based on address and num line (starting by 1) |
| 1127 | // Return NULL if no text line has been found |
| 1128 | char *DWARFManager_GetLineSrcFromAdrNumLine(size_t Adr, size_t NumLine) |
| 1129 | { |
| 1130 | size_t i, j, k; |
| 1131 | |
| 1132 | for (i = 0; i < NbCU; i++) |
| 1133 | { |
| 1134 | if ((Adr >= PtrCU[i].LowPC) && (Adr < PtrCU[i].HighPC)) |
| 1135 | { |
| 1136 | for (j = 0; j < PtrCU[i].NbSubProgs; j++) |
| 1137 | { |
| 1138 | if ((Adr >= PtrCU[i].PtrSubProgs[j].LowPC) && (Adr < PtrCU[i].PtrSubProgs[j].HighPC)) |
| 1139 | { |
| 1140 | if (PtrCU[i].PtrSubProgs[j].NumLineSrc == NumLine) |
| 1141 | { |
| 1142 | return PtrCU[i].PtrSubProgs[j].PtrLineSrc; |
| 1143 | } |
| 1144 | else |
| 1145 | { |
| 1146 | for (k = 0; k < PtrCU[i].PtrSubProgs[j].NbLinesSrc; k++) |
| 1147 | { |
| 1148 | if (PtrCU[i].PtrSubProgs[j].PtrLinesSrc[k].NumLineSrc == NumLine) |
| 1149 | { |
| 1150 | return PtrCU[i].PtrSubProgs[j].PtrLinesSrc[k].PtrLineSrc; |
| 1151 | } |
| 1152 | } |
| 1153 | } |
| 1154 | } |
| 1155 | } |
| 1156 | } |
| 1157 | } |
| 1158 | |
| 1159 | return NULL; |
| 1160 | } |
| 1161 | |
| 1162 | |
| 1163 | // Get text line from source based on address and num line (starting by 1) |
| 1164 | // Return NULL if no text line has been found |
| 1165 | char *DWARFManager_GetLineSrcFromNumLineBaseAdr(size_t Adr, size_t NumLine) |
| 1166 | { |
| 1167 | size_t i; |
| 1168 | |
| 1169 | for (i = 0; i < NbCU; i++) |
| 1170 | { |
| 1171 | if ((Adr >= PtrCU[i].LowPC) && (Adr < PtrCU[i].HighPC)) |
| 1172 | { |
| 1173 | return PtrCU[i].PtrLinesLoadSrc[NumLine - 1]; |
| 1174 | } |
| 1175 | } |
| 1176 | |
| 1177 | return NULL; |
| 1178 | } |
| 1179 | |