1 //===-- ObjectFilePECOFF.cpp ------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "ObjectFilePECOFF.h" 11 #include "WindowsMiniDump.h" 12 13 #include "llvm/Support/COFF.h" 14 15 #include "lldb/Core/ArchSpec.h" 16 #include "lldb/Core/FileSpecList.h" 17 #include "lldb/Core/Module.h" 18 #include "lldb/Core/ModuleSpec.h" 19 #include "lldb/Core/PluginManager.h" 20 #include "lldb/Core/Section.h" 21 #include "lldb/Core/StreamFile.h" 22 #include "lldb/Core/Timer.h" 23 #include "lldb/Symbol/ObjectFile.h" 24 #include "lldb/Target/Process.h" 25 #include "lldb/Target/SectionLoadList.h" 26 #include "lldb/Target/Target.h" 27 #include "lldb/Utility/DataBufferHeap.h" 28 #include "lldb/Utility/DataBufferLLVM.h" 29 #include "lldb/Utility/FileSpec.h" 30 #include "lldb/Utility/StreamString.h" 31 #include "lldb/Utility/UUID.h" 32 33 #include "llvm/Support/MemoryBuffer.h" 34 35 #define IMAGE_DOS_SIGNATURE 0x5A4D // MZ 36 #define IMAGE_NT_SIGNATURE 0x00004550 // PE00 37 #define OPT_HEADER_MAGIC_PE32 0x010b 38 #define OPT_HEADER_MAGIC_PE32_PLUS 0x020b 39 40 using namespace lldb; 41 using namespace lldb_private; 42 43 void ObjectFilePECOFF::Initialize() { 44 PluginManager::RegisterPlugin( 45 GetPluginNameStatic(), GetPluginDescriptionStatic(), CreateInstance, 46 CreateMemoryInstance, GetModuleSpecifications, SaveCore); 47 } 48 49 void ObjectFilePECOFF::Terminate() { 50 PluginManager::UnregisterPlugin(CreateInstance); 51 } 52 53 lldb_private::ConstString ObjectFilePECOFF::GetPluginNameStatic() { 54 static ConstString g_name("pe-coff"); 55 return g_name; 56 } 57 58 const char *ObjectFilePECOFF::GetPluginDescriptionStatic() { 59 return "Portable Executable and Common Object File Format object file reader " 60 "(32 and 64 bit)"; 61 } 62 63 ObjectFile *ObjectFilePECOFF::CreateInstance(const lldb::ModuleSP &module_sp, 64 DataBufferSP &data_sp, 65 lldb::offset_t data_offset, 66 const lldb_private::FileSpec *file, 67 lldb::offset_t file_offset, 68 lldb::offset_t length) { 69 if (!data_sp) { 70 data_sp = 71 DataBufferLLVM::CreateSliceFromPath(file->GetPath(), length, file_offset); 72 if (!data_sp) 73 return nullptr; 74 data_offset = 0; 75 } 76 77 if (!ObjectFilePECOFF::MagicBytesMatch(data_sp)) 78 return nullptr; 79 80 // Update the data to contain the entire file if it doesn't already 81 if (data_sp->GetByteSize() < length) { 82 data_sp = 83 DataBufferLLVM::CreateSliceFromPath(file->GetPath(), length, file_offset); 84 if (!data_sp) 85 return nullptr; 86 } 87 88 auto objfile_ap = llvm::make_unique<ObjectFilePECOFF>( 89 module_sp, data_sp, data_offset, file, file_offset, length); 90 if (!objfile_ap || !objfile_ap->ParseHeader()) 91 return nullptr; 92 93 return objfile_ap.release(); 94 } 95 96 ObjectFile *ObjectFilePECOFF::CreateMemoryInstance( 97 const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp, 98 const lldb::ProcessSP &process_sp, lldb::addr_t header_addr) { 99 if (!data_sp || !ObjectFilePECOFF::MagicBytesMatch(data_sp)) 100 return nullptr; 101 auto objfile_ap = llvm::make_unique<ObjectFilePECOFF>( 102 module_sp, data_sp, process_sp, header_addr); 103 if (objfile_ap.get() && objfile_ap->ParseHeader()) { 104 return objfile_ap.release(); 105 } 106 return nullptr; 107 } 108 109 size_t ObjectFilePECOFF::GetModuleSpecifications( 110 const lldb_private::FileSpec &file, lldb::DataBufferSP &data_sp, 111 lldb::offset_t data_offset, lldb::offset_t file_offset, 112 lldb::offset_t length, lldb_private::ModuleSpecList &specs) { 113 const size_t initial_count = specs.GetSize(); 114 115 if (ObjectFilePECOFF::MagicBytesMatch(data_sp)) { 116 DataExtractor data; 117 data.SetData(data_sp, data_offset, length); 118 data.SetByteOrder(eByteOrderLittle); 119 120 dos_header_t dos_header; 121 coff_header_t coff_header; 122 123 if (ParseDOSHeader(data, dos_header)) { 124 lldb::offset_t offset = dos_header.e_lfanew; 125 uint32_t pe_signature = data.GetU32(&offset); 126 if (pe_signature != IMAGE_NT_SIGNATURE) 127 return false; 128 if (ParseCOFFHeader(data, &offset, coff_header)) { 129 ArchSpec spec; 130 if (coff_header.machine == MachineAmd64) { 131 spec.SetTriple("x86_64-pc-windows"); 132 specs.Append(ModuleSpec(file, spec)); 133 } else if (coff_header.machine == MachineX86) { 134 spec.SetTriple("i386-pc-windows"); 135 specs.Append(ModuleSpec(file, spec)); 136 spec.SetTriple("i686-pc-windows"); 137 specs.Append(ModuleSpec(file, spec)); 138 } 139 } 140 } 141 } 142 143 return specs.GetSize() - initial_count; 144 } 145 146 bool ObjectFilePECOFF::SaveCore(const lldb::ProcessSP &process_sp, 147 const lldb_private::FileSpec &outfile, 148 lldb_private::Error &error) { 149 return SaveMiniDump(process_sp, outfile, error); 150 } 151 152 bool ObjectFilePECOFF::MagicBytesMatch(DataBufferSP &data_sp) { 153 DataExtractor data(data_sp, eByteOrderLittle, 4); 154 lldb::offset_t offset = 0; 155 uint16_t magic = data.GetU16(&offset); 156 return magic == IMAGE_DOS_SIGNATURE; 157 } 158 159 lldb::SymbolType ObjectFilePECOFF::MapSymbolType(uint16_t coff_symbol_type) { 160 // TODO: We need to complete this mapping of COFF symbol types to LLDB ones. 161 // For now, here's a hack to make sure our function have types. 162 const auto complex_type = 163 coff_symbol_type >> llvm::COFF::SCT_COMPLEX_TYPE_SHIFT; 164 if (complex_type == llvm::COFF::IMAGE_SYM_DTYPE_FUNCTION) { 165 return lldb::eSymbolTypeCode; 166 } 167 return lldb::eSymbolTypeInvalid; 168 } 169 170 ObjectFilePECOFF::ObjectFilePECOFF(const lldb::ModuleSP &module_sp, 171 DataBufferSP &data_sp, 172 lldb::offset_t data_offset, 173 const FileSpec *file, 174 lldb::offset_t file_offset, 175 lldb::offset_t length) 176 : ObjectFile(module_sp, file, file_offset, length, data_sp, data_offset), 177 m_dos_header(), m_coff_header(), m_coff_header_opt(), m_sect_headers(), 178 m_entry_point_address() { 179 ::memset(&m_dos_header, 0, sizeof(m_dos_header)); 180 ::memset(&m_coff_header, 0, sizeof(m_coff_header)); 181 ::memset(&m_coff_header_opt, 0, sizeof(m_coff_header_opt)); 182 } 183 184 ObjectFilePECOFF::ObjectFilePECOFF(const lldb::ModuleSP &module_sp, 185 DataBufferSP &header_data_sp, 186 const lldb::ProcessSP &process_sp, 187 addr_t header_addr) 188 : ObjectFile(module_sp, process_sp, header_addr, header_data_sp), 189 m_dos_header(), m_coff_header(), m_coff_header_opt(), m_sect_headers(), 190 m_entry_point_address() { 191 ::memset(&m_dos_header, 0, sizeof(m_dos_header)); 192 ::memset(&m_coff_header, 0, sizeof(m_coff_header)); 193 ::memset(&m_coff_header_opt, 0, sizeof(m_coff_header_opt)); 194 } 195 196 ObjectFilePECOFF::~ObjectFilePECOFF() {} 197 198 bool ObjectFilePECOFF::ParseHeader() { 199 ModuleSP module_sp(GetModule()); 200 if (module_sp) { 201 std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); 202 m_sect_headers.clear(); 203 m_data.SetByteOrder(eByteOrderLittle); 204 lldb::offset_t offset = 0; 205 206 if (ParseDOSHeader(m_data, m_dos_header)) { 207 offset = m_dos_header.e_lfanew; 208 uint32_t pe_signature = m_data.GetU32(&offset); 209 if (pe_signature != IMAGE_NT_SIGNATURE) 210 return false; 211 if (ParseCOFFHeader(m_data, &offset, m_coff_header)) { 212 if (m_coff_header.hdrsize > 0) 213 ParseCOFFOptionalHeader(&offset); 214 ParseSectionHeaders(offset); 215 } 216 return true; 217 } 218 } 219 return false; 220 } 221 222 bool ObjectFilePECOFF::SetLoadAddress(Target &target, addr_t value, 223 bool value_is_offset) { 224 bool changed = false; 225 ModuleSP module_sp = GetModule(); 226 if (module_sp) { 227 size_t num_loaded_sections = 0; 228 SectionList *section_list = GetSectionList(); 229 if (section_list) { 230 if (!value_is_offset) { 231 value -= m_image_base; 232 } 233 234 const size_t num_sections = section_list->GetSize(); 235 size_t sect_idx = 0; 236 237 for (sect_idx = 0; sect_idx < num_sections; ++sect_idx) { 238 // Iterate through the object file sections to find all 239 // of the sections that have SHF_ALLOC in their flag bits. 240 SectionSP section_sp(section_list->GetSectionAtIndex(sect_idx)); 241 if (section_sp && !section_sp->IsThreadSpecific()) { 242 if (target.GetSectionLoadList().SetSectionLoadAddress( 243 section_sp, section_sp->GetFileAddress() + value)) 244 ++num_loaded_sections; 245 } 246 } 247 changed = num_loaded_sections > 0; 248 } 249 } 250 return changed; 251 } 252 253 ByteOrder ObjectFilePECOFF::GetByteOrder() const { return eByteOrderLittle; } 254 255 bool ObjectFilePECOFF::IsExecutable() const { 256 return (m_coff_header.flags & llvm::COFF::IMAGE_FILE_DLL) == 0; 257 } 258 259 uint32_t ObjectFilePECOFF::GetAddressByteSize() const { 260 if (m_coff_header_opt.magic == OPT_HEADER_MAGIC_PE32_PLUS) 261 return 8; 262 else if (m_coff_header_opt.magic == OPT_HEADER_MAGIC_PE32) 263 return 4; 264 return 4; 265 } 266 267 //---------------------------------------------------------------------- 268 // NeedsEndianSwap 269 // 270 // Return true if an endian swap needs to occur when extracting data 271 // from this file. 272 //---------------------------------------------------------------------- 273 bool ObjectFilePECOFF::NeedsEndianSwap() const { 274 #if defined(__LITTLE_ENDIAN__) 275 return false; 276 #else 277 return true; 278 #endif 279 } 280 //---------------------------------------------------------------------- 281 // ParseDOSHeader 282 //---------------------------------------------------------------------- 283 bool ObjectFilePECOFF::ParseDOSHeader(DataExtractor &data, 284 dos_header_t &dos_header) { 285 bool success = false; 286 lldb::offset_t offset = 0; 287 success = data.ValidOffsetForDataOfSize(0, sizeof(dos_header)); 288 289 if (success) { 290 dos_header.e_magic = data.GetU16(&offset); // Magic number 291 success = dos_header.e_magic == IMAGE_DOS_SIGNATURE; 292 293 if (success) { 294 dos_header.e_cblp = data.GetU16(&offset); // Bytes on last page of file 295 dos_header.e_cp = data.GetU16(&offset); // Pages in file 296 dos_header.e_crlc = data.GetU16(&offset); // Relocations 297 dos_header.e_cparhdr = 298 data.GetU16(&offset); // Size of header in paragraphs 299 dos_header.e_minalloc = 300 data.GetU16(&offset); // Minimum extra paragraphs needed 301 dos_header.e_maxalloc = 302 data.GetU16(&offset); // Maximum extra paragraphs needed 303 dos_header.e_ss = data.GetU16(&offset); // Initial (relative) SS value 304 dos_header.e_sp = data.GetU16(&offset); // Initial SP value 305 dos_header.e_csum = data.GetU16(&offset); // Checksum 306 dos_header.e_ip = data.GetU16(&offset); // Initial IP value 307 dos_header.e_cs = data.GetU16(&offset); // Initial (relative) CS value 308 dos_header.e_lfarlc = 309 data.GetU16(&offset); // File address of relocation table 310 dos_header.e_ovno = data.GetU16(&offset); // Overlay number 311 312 dos_header.e_res[0] = data.GetU16(&offset); // Reserved words 313 dos_header.e_res[1] = data.GetU16(&offset); // Reserved words 314 dos_header.e_res[2] = data.GetU16(&offset); // Reserved words 315 dos_header.e_res[3] = data.GetU16(&offset); // Reserved words 316 317 dos_header.e_oemid = 318 data.GetU16(&offset); // OEM identifier (for e_oeminfo) 319 dos_header.e_oeminfo = 320 data.GetU16(&offset); // OEM information; e_oemid specific 321 dos_header.e_res2[0] = data.GetU16(&offset); // Reserved words 322 dos_header.e_res2[1] = data.GetU16(&offset); // Reserved words 323 dos_header.e_res2[2] = data.GetU16(&offset); // Reserved words 324 dos_header.e_res2[3] = data.GetU16(&offset); // Reserved words 325 dos_header.e_res2[4] = data.GetU16(&offset); // Reserved words 326 dos_header.e_res2[5] = data.GetU16(&offset); // Reserved words 327 dos_header.e_res2[6] = data.GetU16(&offset); // Reserved words 328 dos_header.e_res2[7] = data.GetU16(&offset); // Reserved words 329 dos_header.e_res2[8] = data.GetU16(&offset); // Reserved words 330 dos_header.e_res2[9] = data.GetU16(&offset); // Reserved words 331 332 dos_header.e_lfanew = 333 data.GetU32(&offset); // File address of new exe header 334 } 335 } 336 if (!success) 337 memset(&dos_header, 0, sizeof(dos_header)); 338 return success; 339 } 340 341 //---------------------------------------------------------------------- 342 // ParserCOFFHeader 343 //---------------------------------------------------------------------- 344 bool ObjectFilePECOFF::ParseCOFFHeader(DataExtractor &data, 345 lldb::offset_t *offset_ptr, 346 coff_header_t &coff_header) { 347 bool success = 348 data.ValidOffsetForDataOfSize(*offset_ptr, sizeof(coff_header)); 349 if (success) { 350 coff_header.machine = data.GetU16(offset_ptr); 351 coff_header.nsects = data.GetU16(offset_ptr); 352 coff_header.modtime = data.GetU32(offset_ptr); 353 coff_header.symoff = data.GetU32(offset_ptr); 354 coff_header.nsyms = data.GetU32(offset_ptr); 355 coff_header.hdrsize = data.GetU16(offset_ptr); 356 coff_header.flags = data.GetU16(offset_ptr); 357 } 358 if (!success) 359 memset(&coff_header, 0, sizeof(coff_header)); 360 return success; 361 } 362 363 bool ObjectFilePECOFF::ParseCOFFOptionalHeader(lldb::offset_t *offset_ptr) { 364 bool success = false; 365 const lldb::offset_t end_offset = *offset_ptr + m_coff_header.hdrsize; 366 if (*offset_ptr < end_offset) { 367 success = true; 368 m_coff_header_opt.magic = m_data.GetU16(offset_ptr); 369 m_coff_header_opt.major_linker_version = m_data.GetU8(offset_ptr); 370 m_coff_header_opt.minor_linker_version = m_data.GetU8(offset_ptr); 371 m_coff_header_opt.code_size = m_data.GetU32(offset_ptr); 372 m_coff_header_opt.data_size = m_data.GetU32(offset_ptr); 373 m_coff_header_opt.bss_size = m_data.GetU32(offset_ptr); 374 m_coff_header_opt.entry = m_data.GetU32(offset_ptr); 375 m_coff_header_opt.code_offset = m_data.GetU32(offset_ptr); 376 377 const uint32_t addr_byte_size = GetAddressByteSize(); 378 379 if (*offset_ptr < end_offset) { 380 if (m_coff_header_opt.magic == OPT_HEADER_MAGIC_PE32) { 381 // PE32 only 382 m_coff_header_opt.data_offset = m_data.GetU32(offset_ptr); 383 } else 384 m_coff_header_opt.data_offset = 0; 385 386 if (*offset_ptr < end_offset) { 387 m_coff_header_opt.image_base = 388 m_data.GetMaxU64(offset_ptr, addr_byte_size); 389 m_coff_header_opt.sect_alignment = m_data.GetU32(offset_ptr); 390 m_coff_header_opt.file_alignment = m_data.GetU32(offset_ptr); 391 m_coff_header_opt.major_os_system_version = m_data.GetU16(offset_ptr); 392 m_coff_header_opt.minor_os_system_version = m_data.GetU16(offset_ptr); 393 m_coff_header_opt.major_image_version = m_data.GetU16(offset_ptr); 394 m_coff_header_opt.minor_image_version = m_data.GetU16(offset_ptr); 395 m_coff_header_opt.major_subsystem_version = m_data.GetU16(offset_ptr); 396 m_coff_header_opt.minor_subsystem_version = m_data.GetU16(offset_ptr); 397 m_coff_header_opt.reserved1 = m_data.GetU32(offset_ptr); 398 m_coff_header_opt.image_size = m_data.GetU32(offset_ptr); 399 m_coff_header_opt.header_size = m_data.GetU32(offset_ptr); 400 m_coff_header_opt.checksum = m_data.GetU32(offset_ptr); 401 m_coff_header_opt.subsystem = m_data.GetU16(offset_ptr); 402 m_coff_header_opt.dll_flags = m_data.GetU16(offset_ptr); 403 m_coff_header_opt.stack_reserve_size = 404 m_data.GetMaxU64(offset_ptr, addr_byte_size); 405 m_coff_header_opt.stack_commit_size = 406 m_data.GetMaxU64(offset_ptr, addr_byte_size); 407 m_coff_header_opt.heap_reserve_size = 408 m_data.GetMaxU64(offset_ptr, addr_byte_size); 409 m_coff_header_opt.heap_commit_size = 410 m_data.GetMaxU64(offset_ptr, addr_byte_size); 411 m_coff_header_opt.loader_flags = m_data.GetU32(offset_ptr); 412 uint32_t num_data_dir_entries = m_data.GetU32(offset_ptr); 413 m_coff_header_opt.data_dirs.clear(); 414 m_coff_header_opt.data_dirs.resize(num_data_dir_entries); 415 uint32_t i; 416 for (i = 0; i < num_data_dir_entries; i++) { 417 m_coff_header_opt.data_dirs[i].vmaddr = m_data.GetU32(offset_ptr); 418 m_coff_header_opt.data_dirs[i].vmsize = m_data.GetU32(offset_ptr); 419 } 420 421 m_file_offset = m_coff_header_opt.image_base; 422 m_image_base = m_coff_header_opt.image_base; 423 } 424 } 425 } 426 // Make sure we are on track for section data which follows 427 *offset_ptr = end_offset; 428 return success; 429 } 430 431 DataExtractor ObjectFilePECOFF::ReadImageData(uint32_t offset, size_t size) { 432 if (m_file) { 433 // A bit of a hack, but we intend to write to this buffer, so we can't 434 // mmap it. 435 auto buffer_sp = 436 DataBufferLLVM::CreateSliceFromPath(m_file.GetPath(), size, offset, true); 437 return DataExtractor(buffer_sp, GetByteOrder(), GetAddressByteSize()); 438 } 439 ProcessSP process_sp(m_process_wp.lock()); 440 DataExtractor data; 441 if (process_sp) { 442 auto data_ap = llvm::make_unique<DataBufferHeap>(size, 0); 443 Error readmem_error; 444 size_t bytes_read = 445 process_sp->ReadMemory(m_image_base + offset, data_ap->GetBytes(), 446 data_ap->GetByteSize(), readmem_error); 447 if (bytes_read == size) { 448 DataBufferSP buffer_sp(data_ap.release()); 449 data.SetData(buffer_sp, 0, buffer_sp->GetByteSize()); 450 } 451 } 452 return data; 453 } 454 455 //---------------------------------------------------------------------- 456 // ParseSectionHeaders 457 //---------------------------------------------------------------------- 458 bool ObjectFilePECOFF::ParseSectionHeaders( 459 uint32_t section_header_data_offset) { 460 const uint32_t nsects = m_coff_header.nsects; 461 m_sect_headers.clear(); 462 463 if (nsects > 0) { 464 const size_t section_header_byte_size = nsects * sizeof(section_header_t); 465 DataExtractor section_header_data = 466 ReadImageData(section_header_data_offset, section_header_byte_size); 467 468 lldb::offset_t offset = 0; 469 if (section_header_data.ValidOffsetForDataOfSize( 470 offset, section_header_byte_size)) { 471 m_sect_headers.resize(nsects); 472 473 for (uint32_t idx = 0; idx < nsects; ++idx) { 474 const void *name_data = section_header_data.GetData(&offset, 8); 475 if (name_data) { 476 memcpy(m_sect_headers[idx].name, name_data, 8); 477 m_sect_headers[idx].vmsize = section_header_data.GetU32(&offset); 478 m_sect_headers[idx].vmaddr = section_header_data.GetU32(&offset); 479 m_sect_headers[idx].size = section_header_data.GetU32(&offset); 480 m_sect_headers[idx].offset = section_header_data.GetU32(&offset); 481 m_sect_headers[idx].reloff = section_header_data.GetU32(&offset); 482 m_sect_headers[idx].lineoff = section_header_data.GetU32(&offset); 483 m_sect_headers[idx].nreloc = section_header_data.GetU16(&offset); 484 m_sect_headers[idx].nline = section_header_data.GetU16(&offset); 485 m_sect_headers[idx].flags = section_header_data.GetU32(&offset); 486 } 487 } 488 } 489 } 490 491 return m_sect_headers.empty() == false; 492 } 493 494 bool ObjectFilePECOFF::GetSectionName(std::string §_name, 495 const section_header_t §) { 496 if (sect.name[0] == '/') { 497 lldb::offset_t stroff = strtoul(§.name[1], NULL, 10); 498 lldb::offset_t string_file_offset = 499 m_coff_header.symoff + (m_coff_header.nsyms * 18) + stroff; 500 const char *name = m_data.GetCStr(&string_file_offset); 501 if (name) { 502 sect_name = name; 503 return true; 504 } 505 506 return false; 507 } 508 sect_name = sect.name; 509 return true; 510 } 511 512 //---------------------------------------------------------------------- 513 // GetNListSymtab 514 //---------------------------------------------------------------------- 515 Symtab *ObjectFilePECOFF::GetSymtab() { 516 ModuleSP module_sp(GetModule()); 517 if (module_sp) { 518 std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); 519 if (m_symtab_ap.get() == NULL) { 520 SectionList *sect_list = GetSectionList(); 521 m_symtab_ap.reset(new Symtab(this)); 522 std::lock_guard<std::recursive_mutex> guard(m_symtab_ap->GetMutex()); 523 524 const uint32_t num_syms = m_coff_header.nsyms; 525 526 if (m_file && num_syms > 0 && m_coff_header.symoff > 0) { 527 const uint32_t symbol_size = 18; 528 const size_t symbol_data_size = num_syms * symbol_size; 529 // Include the 4-byte string table size at the end of the symbols 530 DataExtractor symtab_data = 531 ReadImageData(m_coff_header.symoff, symbol_data_size + 4); 532 lldb::offset_t offset = symbol_data_size; 533 const uint32_t strtab_size = symtab_data.GetU32(&offset); 534 if (strtab_size > 0) { 535 DataExtractor strtab_data = ReadImageData( 536 m_coff_header.symoff + symbol_data_size, strtab_size); 537 538 // First 4 bytes should be zeroed after strtab_size has been read, 539 // because it is used as offset 0 to encode a NULL string. 540 uint32_t *strtab_data_start = (uint32_t *)strtab_data.GetDataStart(); 541 strtab_data_start[0] = 0; 542 543 offset = 0; 544 std::string symbol_name; 545 Symbol *symbols = m_symtab_ap->Resize(num_syms); 546 for (uint32_t i = 0; i < num_syms; ++i) { 547 coff_symbol_t symbol; 548 const uint32_t symbol_offset = offset; 549 const char *symbol_name_cstr = NULL; 550 // If the first 4 bytes of the symbol string are zero, then they 551 // are followed by a 4-byte string table offset. Else these 552 // 8 bytes contain the symbol name 553 if (symtab_data.GetU32(&offset) == 0) { 554 // Long string that doesn't fit into the symbol table name, 555 // so now we must read the 4 byte string table offset 556 uint32_t strtab_offset = symtab_data.GetU32(&offset); 557 symbol_name_cstr = strtab_data.PeekCStr(strtab_offset); 558 symbol_name.assign(symbol_name_cstr); 559 } else { 560 // Short string that fits into the symbol table name which is 8 561 // bytes 562 offset += sizeof(symbol.name) - 4; // Skip remaining 563 symbol_name_cstr = symtab_data.PeekCStr(symbol_offset); 564 if (symbol_name_cstr == NULL) 565 break; 566 symbol_name.assign(symbol_name_cstr, sizeof(symbol.name)); 567 } 568 symbol.value = symtab_data.GetU32(&offset); 569 symbol.sect = symtab_data.GetU16(&offset); 570 symbol.type = symtab_data.GetU16(&offset); 571 symbol.storage = symtab_data.GetU8(&offset); 572 symbol.naux = symtab_data.GetU8(&offset); 573 symbols[i].GetMangled().SetValue(ConstString(symbol_name.c_str())); 574 if ((int16_t)symbol.sect >= 1) { 575 Address symbol_addr(sect_list->GetSectionAtIndex(symbol.sect - 1), 576 symbol.value); 577 symbols[i].GetAddressRef() = symbol_addr; 578 symbols[i].SetType(MapSymbolType(symbol.type)); 579 } 580 581 if (symbol.naux > 0) { 582 i += symbol.naux; 583 offset += symbol_size; 584 } 585 } 586 } 587 } 588 589 // Read export header 590 if (coff_data_dir_export_table < m_coff_header_opt.data_dirs.size() && 591 m_coff_header_opt.data_dirs[coff_data_dir_export_table].vmsize > 0 && 592 m_coff_header_opt.data_dirs[coff_data_dir_export_table].vmaddr > 0) { 593 export_directory_entry export_table; 594 uint32_t data_start = 595 m_coff_header_opt.data_dirs[coff_data_dir_export_table].vmaddr; 596 597 uint32_t address_rva = data_start; 598 if (m_file) { 599 Address address(m_coff_header_opt.image_base + data_start, sect_list); 600 address_rva = 601 address.GetSection()->GetFileOffset() + address.GetOffset(); 602 } 603 DataExtractor symtab_data = 604 ReadImageData(address_rva, m_coff_header_opt.data_dirs[0].vmsize); 605 lldb::offset_t offset = 0; 606 607 // Read export_table header 608 export_table.characteristics = symtab_data.GetU32(&offset); 609 export_table.time_date_stamp = symtab_data.GetU32(&offset); 610 export_table.major_version = symtab_data.GetU16(&offset); 611 export_table.minor_version = symtab_data.GetU16(&offset); 612 export_table.name = symtab_data.GetU32(&offset); 613 export_table.base = symtab_data.GetU32(&offset); 614 export_table.number_of_functions = symtab_data.GetU32(&offset); 615 export_table.number_of_names = symtab_data.GetU32(&offset); 616 export_table.address_of_functions = symtab_data.GetU32(&offset); 617 export_table.address_of_names = symtab_data.GetU32(&offset); 618 export_table.address_of_name_ordinals = symtab_data.GetU32(&offset); 619 620 bool has_ordinal = export_table.address_of_name_ordinals != 0; 621 622 lldb::offset_t name_offset = export_table.address_of_names - data_start; 623 lldb::offset_t name_ordinal_offset = 624 export_table.address_of_name_ordinals - data_start; 625 626 Symbol *symbols = m_symtab_ap->Resize(export_table.number_of_names); 627 628 std::string symbol_name; 629 630 // Read each export table entry 631 for (size_t i = 0; i < export_table.number_of_names; ++i) { 632 uint32_t name_ordinal = 633 has_ordinal ? symtab_data.GetU16(&name_ordinal_offset) : i; 634 uint32_t name_address = symtab_data.GetU32(&name_offset); 635 636 const char *symbol_name_cstr = 637 symtab_data.PeekCStr(name_address - data_start); 638 symbol_name.assign(symbol_name_cstr); 639 640 lldb::offset_t function_offset = export_table.address_of_functions - 641 data_start + 642 sizeof(uint32_t) * name_ordinal; 643 uint32_t function_rva = symtab_data.GetU32(&function_offset); 644 645 Address symbol_addr(m_coff_header_opt.image_base + function_rva, 646 sect_list); 647 symbols[i].GetMangled().SetValue(ConstString(symbol_name.c_str())); 648 symbols[i].GetAddressRef() = symbol_addr; 649 symbols[i].SetType(lldb::eSymbolTypeCode); 650 symbols[i].SetDebug(true); 651 } 652 } 653 m_symtab_ap->CalculateSymbolSizes(); 654 } 655 } 656 return m_symtab_ap.get(); 657 } 658 659 bool ObjectFilePECOFF::IsStripped() { 660 // TODO: determine this for COFF 661 return false; 662 } 663 664 void ObjectFilePECOFF::CreateSections(SectionList &unified_section_list) { 665 if (!m_sections_ap.get()) { 666 m_sections_ap.reset(new SectionList()); 667 668 ModuleSP module_sp(GetModule()); 669 if (module_sp) { 670 std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); 671 const uint32_t nsects = m_sect_headers.size(); 672 ModuleSP module_sp(GetModule()); 673 for (uint32_t idx = 0; idx < nsects; ++idx) { 674 std::string sect_name; 675 GetSectionName(sect_name, m_sect_headers[idx]); 676 ConstString const_sect_name(sect_name.c_str()); 677 static ConstString g_code_sect_name(".code"); 678 static ConstString g_CODE_sect_name("CODE"); 679 static ConstString g_data_sect_name(".data"); 680 static ConstString g_DATA_sect_name("DATA"); 681 static ConstString g_bss_sect_name(".bss"); 682 static ConstString g_BSS_sect_name("BSS"); 683 static ConstString g_debug_sect_name(".debug"); 684 static ConstString g_reloc_sect_name(".reloc"); 685 static ConstString g_stab_sect_name(".stab"); 686 static ConstString g_stabstr_sect_name(".stabstr"); 687 static ConstString g_sect_name_dwarf_debug_abbrev(".debug_abbrev"); 688 static ConstString g_sect_name_dwarf_debug_aranges(".debug_aranges"); 689 static ConstString g_sect_name_dwarf_debug_frame(".debug_frame"); 690 static ConstString g_sect_name_dwarf_debug_info(".debug_info"); 691 static ConstString g_sect_name_dwarf_debug_line(".debug_line"); 692 static ConstString g_sect_name_dwarf_debug_loc(".debug_loc"); 693 static ConstString g_sect_name_dwarf_debug_macinfo(".debug_macinfo"); 694 static ConstString g_sect_name_dwarf_debug_pubnames(".debug_pubnames"); 695 static ConstString g_sect_name_dwarf_debug_pubtypes(".debug_pubtypes"); 696 static ConstString g_sect_name_dwarf_debug_ranges(".debug_ranges"); 697 static ConstString g_sect_name_dwarf_debug_str(".debug_str"); 698 static ConstString g_sect_name_eh_frame(".eh_frame"); 699 static ConstString g_sect_name_go_symtab(".gosymtab"); 700 SectionType section_type = eSectionTypeOther; 701 if (m_sect_headers[idx].flags & llvm::COFF::IMAGE_SCN_CNT_CODE && 702 ((const_sect_name == g_code_sect_name) || 703 (const_sect_name == g_CODE_sect_name))) { 704 section_type = eSectionTypeCode; 705 } else if (m_sect_headers[idx].flags & 706 llvm::COFF::IMAGE_SCN_CNT_INITIALIZED_DATA && 707 ((const_sect_name == g_data_sect_name) || 708 (const_sect_name == g_DATA_sect_name))) { 709 section_type = eSectionTypeData; 710 } else if (m_sect_headers[idx].flags & 711 llvm::COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA && 712 ((const_sect_name == g_bss_sect_name) || 713 (const_sect_name == g_BSS_sect_name))) { 714 if (m_sect_headers[idx].size == 0) 715 section_type = eSectionTypeZeroFill; 716 else 717 section_type = eSectionTypeData; 718 } else if (const_sect_name == g_debug_sect_name) { 719 section_type = eSectionTypeDebug; 720 } else if (const_sect_name == g_stabstr_sect_name) { 721 section_type = eSectionTypeDataCString; 722 } else if (const_sect_name == g_reloc_sect_name) { 723 section_type = eSectionTypeOther; 724 } else if (const_sect_name == g_sect_name_dwarf_debug_abbrev) 725 section_type = eSectionTypeDWARFDebugAbbrev; 726 else if (const_sect_name == g_sect_name_dwarf_debug_aranges) 727 section_type = eSectionTypeDWARFDebugAranges; 728 else if (const_sect_name == g_sect_name_dwarf_debug_frame) 729 section_type = eSectionTypeDWARFDebugFrame; 730 else if (const_sect_name == g_sect_name_dwarf_debug_info) 731 section_type = eSectionTypeDWARFDebugInfo; 732 else if (const_sect_name == g_sect_name_dwarf_debug_line) 733 section_type = eSectionTypeDWARFDebugLine; 734 else if (const_sect_name == g_sect_name_dwarf_debug_loc) 735 section_type = eSectionTypeDWARFDebugLoc; 736 else if (const_sect_name == g_sect_name_dwarf_debug_macinfo) 737 section_type = eSectionTypeDWARFDebugMacInfo; 738 else if (const_sect_name == g_sect_name_dwarf_debug_pubnames) 739 section_type = eSectionTypeDWARFDebugPubNames; 740 else if (const_sect_name == g_sect_name_dwarf_debug_pubtypes) 741 section_type = eSectionTypeDWARFDebugPubTypes; 742 else if (const_sect_name == g_sect_name_dwarf_debug_ranges) 743 section_type = eSectionTypeDWARFDebugRanges; 744 else if (const_sect_name == g_sect_name_dwarf_debug_str) 745 section_type = eSectionTypeDWARFDebugStr; 746 else if (const_sect_name == g_sect_name_eh_frame) 747 section_type = eSectionTypeEHFrame; 748 else if (const_sect_name == g_sect_name_go_symtab) 749 section_type = eSectionTypeGoSymtab; 750 else if (m_sect_headers[idx].flags & llvm::COFF::IMAGE_SCN_CNT_CODE) { 751 section_type = eSectionTypeCode; 752 } else if (m_sect_headers[idx].flags & 753 llvm::COFF::IMAGE_SCN_CNT_INITIALIZED_DATA) { 754 section_type = eSectionTypeData; 755 } else if (m_sect_headers[idx].flags & 756 llvm::COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA) { 757 if (m_sect_headers[idx].size == 0) 758 section_type = eSectionTypeZeroFill; 759 else 760 section_type = eSectionTypeData; 761 } 762 763 // Use a segment ID of the segment index shifted left by 8 so they 764 // never conflict with any of the sections. 765 SectionSP section_sp(new Section( 766 module_sp, // Module to which this section belongs 767 this, // Object file to which this section belongs 768 idx + 1, // Section ID is the 1 based segment index shifted right by 769 // 8 bits as not to collide with any of the 256 section IDs 770 // that are possible 771 const_sect_name, // Name of this section 772 section_type, // This section is a container of other sections. 773 m_coff_header_opt.image_base + 774 m_sect_headers[idx].vmaddr, // File VM address == addresses as 775 // they are found in the object file 776 m_sect_headers[idx].vmsize, // VM size in bytes of this section 777 m_sect_headers[idx] 778 .offset, // Offset to the data for this section in the file 779 m_sect_headers[idx] 780 .size, // Size in bytes of this section as found in the file 781 m_coff_header_opt.sect_alignment, // Section alignment 782 m_sect_headers[idx].flags)); // Flags for this section 783 784 // section_sp->SetIsEncrypted (segment_is_encrypted); 785 786 unified_section_list.AddSection(section_sp); 787 m_sections_ap->AddSection(section_sp); 788 } 789 } 790 } 791 } 792 793 bool ObjectFilePECOFF::GetUUID(UUID *uuid) { return false; } 794 795 uint32_t ObjectFilePECOFF::GetDependentModules(FileSpecList &files) { 796 return 0; 797 } 798 799 lldb_private::Address ObjectFilePECOFF::GetEntryPointAddress() { 800 if (m_entry_point_address.IsValid()) 801 return m_entry_point_address; 802 803 if (!ParseHeader() || !IsExecutable()) 804 return m_entry_point_address; 805 806 SectionList *section_list = GetSectionList(); 807 addr_t offset = m_coff_header_opt.entry; 808 809 if (!section_list) 810 m_entry_point_address.SetOffset(offset); 811 else 812 m_entry_point_address.ResolveAddressUsingFileSections(offset, section_list); 813 return m_entry_point_address; 814 } 815 816 //---------------------------------------------------------------------- 817 // Dump 818 // 819 // Dump the specifics of the runtime file container (such as any headers 820 // segments, sections, etc). 821 //---------------------------------------------------------------------- 822 void ObjectFilePECOFF::Dump(Stream *s) { 823 ModuleSP module_sp(GetModule()); 824 if (module_sp) { 825 std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); 826 s->Printf("%p: ", static_cast<void *>(this)); 827 s->Indent(); 828 s->PutCString("ObjectFilePECOFF"); 829 830 ArchSpec header_arch; 831 GetArchitecture(header_arch); 832 833 *s << ", file = '" << m_file 834 << "', arch = " << header_arch.GetArchitectureName() << "\n"; 835 836 SectionList *sections = GetSectionList(); 837 if (sections) 838 sections->Dump(s, NULL, true, UINT32_MAX); 839 840 if (m_symtab_ap.get()) 841 m_symtab_ap->Dump(s, NULL, eSortOrderNone); 842 843 if (m_dos_header.e_magic) 844 DumpDOSHeader(s, m_dos_header); 845 if (m_coff_header.machine) { 846 DumpCOFFHeader(s, m_coff_header); 847 if (m_coff_header.hdrsize) 848 DumpOptCOFFHeader(s, m_coff_header_opt); 849 } 850 s->EOL(); 851 DumpSectionHeaders(s); 852 s->EOL(); 853 } 854 } 855 856 //---------------------------------------------------------------------- 857 // DumpDOSHeader 858 // 859 // Dump the MS-DOS header to the specified output stream 860 //---------------------------------------------------------------------- 861 void ObjectFilePECOFF::DumpDOSHeader(Stream *s, const dos_header_t &header) { 862 s->PutCString("MSDOS Header\n"); 863 s->Printf(" e_magic = 0x%4.4x\n", header.e_magic); 864 s->Printf(" e_cblp = 0x%4.4x\n", header.e_cblp); 865 s->Printf(" e_cp = 0x%4.4x\n", header.e_cp); 866 s->Printf(" e_crlc = 0x%4.4x\n", header.e_crlc); 867 s->Printf(" e_cparhdr = 0x%4.4x\n", header.e_cparhdr); 868 s->Printf(" e_minalloc = 0x%4.4x\n", header.e_minalloc); 869 s->Printf(" e_maxalloc = 0x%4.4x\n", header.e_maxalloc); 870 s->Printf(" e_ss = 0x%4.4x\n", header.e_ss); 871 s->Printf(" e_sp = 0x%4.4x\n", header.e_sp); 872 s->Printf(" e_csum = 0x%4.4x\n", header.e_csum); 873 s->Printf(" e_ip = 0x%4.4x\n", header.e_ip); 874 s->Printf(" e_cs = 0x%4.4x\n", header.e_cs); 875 s->Printf(" e_lfarlc = 0x%4.4x\n", header.e_lfarlc); 876 s->Printf(" e_ovno = 0x%4.4x\n", header.e_ovno); 877 s->Printf(" e_res[4] = { 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x }\n", 878 header.e_res[0], header.e_res[1], header.e_res[2], header.e_res[3]); 879 s->Printf(" e_oemid = 0x%4.4x\n", header.e_oemid); 880 s->Printf(" e_oeminfo = 0x%4.4x\n", header.e_oeminfo); 881 s->Printf(" e_res2[10] = { 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, " 882 "0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x, 0x%4.4x }\n", 883 header.e_res2[0], header.e_res2[1], header.e_res2[2], 884 header.e_res2[3], header.e_res2[4], header.e_res2[5], 885 header.e_res2[6], header.e_res2[7], header.e_res2[8], 886 header.e_res2[9]); 887 s->Printf(" e_lfanew = 0x%8.8x\n", header.e_lfanew); 888 } 889 890 //---------------------------------------------------------------------- 891 // DumpCOFFHeader 892 // 893 // Dump the COFF header to the specified output stream 894 //---------------------------------------------------------------------- 895 void ObjectFilePECOFF::DumpCOFFHeader(Stream *s, const coff_header_t &header) { 896 s->PutCString("COFF Header\n"); 897 s->Printf(" machine = 0x%4.4x\n", header.machine); 898 s->Printf(" nsects = 0x%4.4x\n", header.nsects); 899 s->Printf(" modtime = 0x%8.8x\n", header.modtime); 900 s->Printf(" symoff = 0x%8.8x\n", header.symoff); 901 s->Printf(" nsyms = 0x%8.8x\n", header.nsyms); 902 s->Printf(" hdrsize = 0x%4.4x\n", header.hdrsize); 903 } 904 905 //---------------------------------------------------------------------- 906 // DumpOptCOFFHeader 907 // 908 // Dump the optional COFF header to the specified output stream 909 //---------------------------------------------------------------------- 910 void ObjectFilePECOFF::DumpOptCOFFHeader(Stream *s, 911 const coff_opt_header_t &header) { 912 s->PutCString("Optional COFF Header\n"); 913 s->Printf(" magic = 0x%4.4x\n", header.magic); 914 s->Printf(" major_linker_version = 0x%2.2x\n", 915 header.major_linker_version); 916 s->Printf(" minor_linker_version = 0x%2.2x\n", 917 header.minor_linker_version); 918 s->Printf(" code_size = 0x%8.8x\n", header.code_size); 919 s->Printf(" data_size = 0x%8.8x\n", header.data_size); 920 s->Printf(" bss_size = 0x%8.8x\n", header.bss_size); 921 s->Printf(" entry = 0x%8.8x\n", header.entry); 922 s->Printf(" code_offset = 0x%8.8x\n", header.code_offset); 923 s->Printf(" data_offset = 0x%8.8x\n", header.data_offset); 924 s->Printf(" image_base = 0x%16.16" PRIx64 "\n", 925 header.image_base); 926 s->Printf(" sect_alignment = 0x%8.8x\n", header.sect_alignment); 927 s->Printf(" file_alignment = 0x%8.8x\n", header.file_alignment); 928 s->Printf(" major_os_system_version = 0x%4.4x\n", 929 header.major_os_system_version); 930 s->Printf(" minor_os_system_version = 0x%4.4x\n", 931 header.minor_os_system_version); 932 s->Printf(" major_image_version = 0x%4.4x\n", 933 header.major_image_version); 934 s->Printf(" minor_image_version = 0x%4.4x\n", 935 header.minor_image_version); 936 s->Printf(" major_subsystem_version = 0x%4.4x\n", 937 header.major_subsystem_version); 938 s->Printf(" minor_subsystem_version = 0x%4.4x\n", 939 header.minor_subsystem_version); 940 s->Printf(" reserved1 = 0x%8.8x\n", header.reserved1); 941 s->Printf(" image_size = 0x%8.8x\n", header.image_size); 942 s->Printf(" header_size = 0x%8.8x\n", header.header_size); 943 s->Printf(" checksum = 0x%8.8x\n", header.checksum); 944 s->Printf(" subsystem = 0x%4.4x\n", header.subsystem); 945 s->Printf(" dll_flags = 0x%4.4x\n", header.dll_flags); 946 s->Printf(" stack_reserve_size = 0x%16.16" PRIx64 "\n", 947 header.stack_reserve_size); 948 s->Printf(" stack_commit_size = 0x%16.16" PRIx64 "\n", 949 header.stack_commit_size); 950 s->Printf(" heap_reserve_size = 0x%16.16" PRIx64 "\n", 951 header.heap_reserve_size); 952 s->Printf(" heap_commit_size = 0x%16.16" PRIx64 "\n", 953 header.heap_commit_size); 954 s->Printf(" loader_flags = 0x%8.8x\n", header.loader_flags); 955 s->Printf(" num_data_dir_entries = 0x%8.8x\n", 956 (uint32_t)header.data_dirs.size()); 957 uint32_t i; 958 for (i = 0; i < header.data_dirs.size(); i++) { 959 s->Printf(" data_dirs[%2u] vmaddr = 0x%8.8x, vmsize = 0x%8.8x\n", i, 960 header.data_dirs[i].vmaddr, header.data_dirs[i].vmsize); 961 } 962 } 963 //---------------------------------------------------------------------- 964 // DumpSectionHeader 965 // 966 // Dump a single ELF section header to the specified output stream 967 //---------------------------------------------------------------------- 968 void ObjectFilePECOFF::DumpSectionHeader(Stream *s, 969 const section_header_t &sh) { 970 std::string name; 971 GetSectionName(name, sh); 972 s->Printf("%-16s 0x%8.8x 0x%8.8x 0x%8.8x 0x%8.8x 0x%8.8x 0x%8.8x 0x%4.4x " 973 "0x%4.4x 0x%8.8x\n", 974 name.c_str(), sh.vmaddr, sh.vmsize, sh.offset, sh.size, sh.reloff, 975 sh.lineoff, sh.nreloc, sh.nline, sh.flags); 976 } 977 978 //---------------------------------------------------------------------- 979 // DumpSectionHeaders 980 // 981 // Dump all of the ELF section header to the specified output stream 982 //---------------------------------------------------------------------- 983 void ObjectFilePECOFF::DumpSectionHeaders(Stream *s) { 984 985 s->PutCString("Section Headers\n"); 986 s->PutCString("IDX name vm addr vm size file off file " 987 "size reloc off line off nreloc nline flags\n"); 988 s->PutCString("==== ---------------- ---------- ---------- ---------- " 989 "---------- ---------- ---------- ------ ------ ----------\n"); 990 991 uint32_t idx = 0; 992 SectionHeaderCollIter pos, end = m_sect_headers.end(); 993 994 for (pos = m_sect_headers.begin(); pos != end; ++pos, ++idx) { 995 s->Printf("[%2u] ", idx); 996 ObjectFilePECOFF::DumpSectionHeader(s, *pos); 997 } 998 } 999 1000 bool ObjectFilePECOFF::IsWindowsSubsystem() { 1001 switch (m_coff_header_opt.subsystem) { 1002 case llvm::COFF::IMAGE_SUBSYSTEM_NATIVE: 1003 case llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_GUI: 1004 case llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_CUI: 1005 case llvm::COFF::IMAGE_SUBSYSTEM_NATIVE_WINDOWS: 1006 case llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_CE_GUI: 1007 case llvm::COFF::IMAGE_SUBSYSTEM_XBOX: 1008 case llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION: 1009 return true; 1010 default: 1011 return false; 1012 } 1013 } 1014 1015 bool ObjectFilePECOFF::GetArchitecture(ArchSpec &arch) { 1016 uint16_t machine = m_coff_header.machine; 1017 switch (machine) { 1018 case llvm::COFF::IMAGE_FILE_MACHINE_AMD64: 1019 case llvm::COFF::IMAGE_FILE_MACHINE_I386: 1020 case llvm::COFF::IMAGE_FILE_MACHINE_POWERPC: 1021 case llvm::COFF::IMAGE_FILE_MACHINE_POWERPCFP: 1022 case llvm::COFF::IMAGE_FILE_MACHINE_ARM: 1023 case llvm::COFF::IMAGE_FILE_MACHINE_ARMNT: 1024 case llvm::COFF::IMAGE_FILE_MACHINE_THUMB: 1025 arch.SetArchitecture(eArchTypeCOFF, machine, LLDB_INVALID_CPUTYPE, 1026 IsWindowsSubsystem() ? llvm::Triple::Win32 1027 : llvm::Triple::UnknownOS); 1028 return true; 1029 default: 1030 break; 1031 } 1032 return false; 1033 } 1034 1035 ObjectFile::Type ObjectFilePECOFF::CalculateType() { 1036 if (m_coff_header.machine != 0) { 1037 if ((m_coff_header.flags & llvm::COFF::IMAGE_FILE_DLL) == 0) 1038 return eTypeExecutable; 1039 else 1040 return eTypeSharedLibrary; 1041 } 1042 return eTypeExecutable; 1043 } 1044 1045 ObjectFile::Strata ObjectFilePECOFF::CalculateStrata() { return eStrataUser; } 1046 //------------------------------------------------------------------ 1047 // PluginInterface protocol 1048 //------------------------------------------------------------------ 1049 ConstString ObjectFilePECOFF::GetPluginName() { return GetPluginNameStatic(); } 1050 1051 uint32_t ObjectFilePECOFF::GetPluginVersion() { return 1; } 1052