1 //===-- LocateSymbolFileMacOSX.cpp ----------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "lldb/Symbol/LocateSymbolFile.h" 10 11 #include <dirent.h> 12 #include <dlfcn.h> 13 #include <pwd.h> 14 15 #include <CoreFoundation/CoreFoundation.h> 16 17 #include "Host/macosx/cfcpp/CFCBundle.h" 18 #include "Host/macosx/cfcpp/CFCData.h" 19 #include "Host/macosx/cfcpp/CFCReleaser.h" 20 #include "Host/macosx/cfcpp/CFCString.h" 21 #include "lldb/Core/ModuleList.h" 22 #include "lldb/Core/ModuleSpec.h" 23 #include "lldb/Host/Host.h" 24 #include "lldb/Symbol/ObjectFile.h" 25 #include "lldb/Utility/ArchSpec.h" 26 #include "lldb/Utility/DataBuffer.h" 27 #include "lldb/Utility/DataExtractor.h" 28 #include "lldb/Utility/Endian.h" 29 #include "lldb/Utility/LLDBLog.h" 30 #include "lldb/Utility/Log.h" 31 #include "lldb/Utility/StreamString.h" 32 #include "lldb/Utility/Timer.h" 33 #include "lldb/Utility/UUID.h" 34 #include "mach/machine.h" 35 36 #include "llvm/ADT/ScopeExit.h" 37 #include "llvm/Support/FileSystem.h" 38 39 using namespace lldb; 40 using namespace lldb_private; 41 42 static CFURLRef (*g_dlsym_DBGCopyFullDSYMURLForUUID)( 43 CFUUIDRef uuid, CFURLRef exec_url) = nullptr; 44 static CFDictionaryRef (*g_dlsym_DBGCopyDSYMPropertyLists)(CFURLRef dsym_url) = 45 nullptr; 46 47 int LocateMacOSXFilesUsingDebugSymbols(const ModuleSpec &module_spec, 48 ModuleSpec &return_module_spec) { 49 Log *log = GetLog(LLDBLog::Host); 50 if (!ModuleList::GetGlobalModuleListProperties().GetEnableExternalLookup()) { 51 LLDB_LOGF(log, "Spotlight lookup for .dSYM bundles is disabled."); 52 return 0; 53 } 54 55 return_module_spec = module_spec; 56 return_module_spec.GetFileSpec().Clear(); 57 return_module_spec.GetSymbolFileSpec().Clear(); 58 59 const UUID *uuid = module_spec.GetUUIDPtr(); 60 const ArchSpec *arch = module_spec.GetArchitecturePtr(); 61 62 int items_found = 0; 63 64 if (g_dlsym_DBGCopyFullDSYMURLForUUID == nullptr || 65 g_dlsym_DBGCopyDSYMPropertyLists == nullptr) { 66 void *handle = dlopen( 67 "/System/Library/PrivateFrameworks/DebugSymbols.framework/DebugSymbols", 68 RTLD_LAZY | RTLD_LOCAL); 69 if (handle) { 70 g_dlsym_DBGCopyFullDSYMURLForUUID = 71 (CFURLRef(*)(CFUUIDRef, CFURLRef))dlsym(handle, 72 "DBGCopyFullDSYMURLForUUID"); 73 g_dlsym_DBGCopyDSYMPropertyLists = (CFDictionaryRef(*)(CFURLRef))dlsym( 74 handle, "DBGCopyDSYMPropertyLists"); 75 } 76 } 77 78 if (g_dlsym_DBGCopyFullDSYMURLForUUID == nullptr || 79 g_dlsym_DBGCopyDSYMPropertyLists == nullptr) { 80 return items_found; 81 } 82 83 if (uuid && uuid->IsValid()) { 84 // Try and locate the dSYM file using DebugSymbols first 85 llvm::ArrayRef<uint8_t> module_uuid = uuid->GetBytes(); 86 if (module_uuid.size() == 16) { 87 CFCReleaser<CFUUIDRef> module_uuid_ref(::CFUUIDCreateWithBytes( 88 NULL, module_uuid[0], module_uuid[1], module_uuid[2], module_uuid[3], 89 module_uuid[4], module_uuid[5], module_uuid[6], module_uuid[7], 90 module_uuid[8], module_uuid[9], module_uuid[10], module_uuid[11], 91 module_uuid[12], module_uuid[13], module_uuid[14], module_uuid[15])); 92 93 if (module_uuid_ref.get()) { 94 CFCReleaser<CFURLRef> exec_url; 95 const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); 96 if (exec_fspec) { 97 char exec_cf_path[PATH_MAX]; 98 if (exec_fspec->GetPath(exec_cf_path, sizeof(exec_cf_path))) 99 exec_url.reset(::CFURLCreateFromFileSystemRepresentation( 100 NULL, (const UInt8 *)exec_cf_path, strlen(exec_cf_path), 101 FALSE)); 102 } 103 104 CFCReleaser<CFURLRef> dsym_url(g_dlsym_DBGCopyFullDSYMURLForUUID( 105 module_uuid_ref.get(), exec_url.get())); 106 char path[PATH_MAX]; 107 108 if (dsym_url.get()) { 109 if (::CFURLGetFileSystemRepresentation( 110 dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { 111 if (log) { 112 LLDB_LOGF(log, 113 "DebugSymbols framework returned dSYM path of %s for " 114 "UUID %s -- looking for the dSYM", 115 path, uuid->GetAsString().c_str()); 116 } 117 FileSpec dsym_filespec(path); 118 if (path[0] == '~') 119 FileSystem::Instance().Resolve(dsym_filespec); 120 121 if (FileSystem::Instance().IsDirectory(dsym_filespec)) { 122 dsym_filespec = 123 Symbols::FindSymbolFileInBundle(dsym_filespec, uuid, arch); 124 ++items_found; 125 } else { 126 ++items_found; 127 } 128 return_module_spec.GetSymbolFileSpec() = dsym_filespec; 129 } 130 131 bool success = false; 132 if (log) { 133 if (::CFURLGetFileSystemRepresentation( 134 dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { 135 LLDB_LOGF(log, 136 "DebugSymbols framework returned dSYM path of %s for " 137 "UUID %s -- looking for an exec file", 138 path, uuid->GetAsString().c_str()); 139 } 140 } 141 142 CFCReleaser<CFDictionaryRef> dict( 143 g_dlsym_DBGCopyDSYMPropertyLists(dsym_url.get())); 144 CFDictionaryRef uuid_dict = NULL; 145 if (dict.get()) { 146 CFCString uuid_cfstr(uuid->GetAsString().c_str()); 147 uuid_dict = static_cast<CFDictionaryRef>( 148 ::CFDictionaryGetValue(dict.get(), uuid_cfstr.get())); 149 } 150 if (uuid_dict) { 151 CFStringRef exec_cf_path = 152 static_cast<CFStringRef>(::CFDictionaryGetValue( 153 uuid_dict, CFSTR("DBGSymbolRichExecutable"))); 154 if (exec_cf_path && ::CFStringGetFileSystemRepresentation( 155 exec_cf_path, path, sizeof(path))) { 156 if (log) { 157 LLDB_LOGF(log, "plist bundle has exec path of %s for UUID %s", 158 path, uuid->GetAsString().c_str()); 159 } 160 ++items_found; 161 FileSpec exec_filespec(path); 162 if (path[0] == '~') 163 FileSystem::Instance().Resolve(exec_filespec); 164 if (FileSystem::Instance().Exists(exec_filespec)) { 165 success = true; 166 return_module_spec.GetFileSpec() = exec_filespec; 167 } 168 } 169 } 170 171 if (!success) { 172 // No dictionary, check near the dSYM bundle for an executable that 173 // matches... 174 if (::CFURLGetFileSystemRepresentation( 175 dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { 176 char *dsym_extension_pos = ::strstr(path, ".dSYM"); 177 if (dsym_extension_pos) { 178 *dsym_extension_pos = '\0'; 179 if (log) { 180 LLDB_LOGF(log, 181 "Looking for executable binary next to dSYM " 182 "bundle with name with name %s", 183 path); 184 } 185 FileSpec file_spec(path); 186 FileSystem::Instance().Resolve(file_spec); 187 ModuleSpecList module_specs; 188 ModuleSpec matched_module_spec; 189 using namespace llvm::sys::fs; 190 switch (get_file_type(file_spec.GetPath())) { 191 192 case file_type::directory_file: // Bundle directory? 193 { 194 CFCBundle bundle(path); 195 CFCReleaser<CFURLRef> bundle_exe_url( 196 bundle.CopyExecutableURL()); 197 if (bundle_exe_url.get()) { 198 if (::CFURLGetFileSystemRepresentation(bundle_exe_url.get(), 199 true, (UInt8 *)path, 200 sizeof(path) - 1)) { 201 FileSpec bundle_exe_file_spec(path); 202 FileSystem::Instance().Resolve(bundle_exe_file_spec); 203 if (ObjectFile::GetModuleSpecifications( 204 bundle_exe_file_spec, 0, 0, module_specs) && 205 module_specs.FindMatchingModuleSpec( 206 module_spec, matched_module_spec)) 207 208 { 209 ++items_found; 210 return_module_spec.GetFileSpec() = bundle_exe_file_spec; 211 if (log) { 212 LLDB_LOGF(log, 213 "Executable binary %s next to dSYM is " 214 "compatible; using", 215 path); 216 } 217 } 218 } 219 } 220 } break; 221 222 case file_type::fifo_file: // Forget pipes 223 case file_type::socket_file: // We can't process socket files 224 case file_type::file_not_found: // File doesn't exist... 225 case file_type::status_error: 226 break; 227 228 case file_type::type_unknown: 229 case file_type::regular_file: 230 case file_type::symlink_file: 231 case file_type::block_file: 232 case file_type::character_file: 233 if (ObjectFile::GetModuleSpecifications(file_spec, 0, 0, 234 module_specs) && 235 module_specs.FindMatchingModuleSpec(module_spec, 236 matched_module_spec)) 237 238 { 239 ++items_found; 240 return_module_spec.GetFileSpec() = file_spec; 241 if (log) { 242 LLDB_LOGF(log, 243 "Executable binary %s next to dSYM is " 244 "compatible; using", 245 path); 246 } 247 } 248 break; 249 } 250 } 251 } 252 } 253 } 254 } 255 } 256 } 257 258 return items_found; 259 } 260 261 FileSpec Symbols::FindSymbolFileInBundle(const FileSpec &dsym_bundle_fspec, 262 const lldb_private::UUID *uuid, 263 const ArchSpec *arch) { 264 std::string dsym_bundle_path = dsym_bundle_fspec.GetPath(); 265 llvm::SmallString<128> buffer(dsym_bundle_path); 266 llvm::sys::path::append(buffer, "Contents", "Resources", "DWARF"); 267 268 std::error_code EC; 269 llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> vfs = 270 FileSystem::Instance().GetVirtualFileSystem(); 271 llvm::vfs::recursive_directory_iterator Iter(*vfs, buffer.str(), EC); 272 llvm::vfs::recursive_directory_iterator End; 273 for (; Iter != End && !EC; Iter.increment(EC)) { 274 llvm::ErrorOr<llvm::vfs::Status> Status = vfs->status(Iter->path()); 275 if (Status->isDirectory()) 276 continue; 277 278 FileSpec dsym_fspec(Iter->path()); 279 ModuleSpecList module_specs; 280 if (ObjectFile::GetModuleSpecifications(dsym_fspec, 0, 0, module_specs)) { 281 ModuleSpec spec; 282 for (size_t i = 0; i < module_specs.GetSize(); ++i) { 283 bool got_spec = module_specs.GetModuleSpecAtIndex(i, spec); 284 assert(got_spec); // The call has side-effects so can't be inlined. 285 UNUSED_IF_ASSERT_DISABLED(got_spec); 286 if ((uuid == nullptr || 287 (spec.GetUUIDPtr() && spec.GetUUID() == *uuid)) && 288 (arch == nullptr || 289 (spec.GetArchitecturePtr() && 290 spec.GetArchitecture().IsCompatibleMatch(*arch)))) { 291 return dsym_fspec; 292 } 293 } 294 } 295 } 296 297 return {}; 298 } 299 300 static bool GetModuleSpecInfoFromUUIDDictionary(CFDictionaryRef uuid_dict, 301 ModuleSpec &module_spec) { 302 Log *log = GetLog(LLDBLog::Host); 303 bool success = false; 304 if (uuid_dict != NULL && CFGetTypeID(uuid_dict) == CFDictionaryGetTypeID()) { 305 std::string str; 306 CFStringRef cf_str; 307 CFDictionaryRef cf_dict; 308 309 cf_str = (CFStringRef)CFDictionaryGetValue( 310 (CFDictionaryRef)uuid_dict, CFSTR("DBGSymbolRichExecutable")); 311 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 312 if (CFCString::FileSystemRepresentation(cf_str, str)) { 313 module_spec.GetFileSpec().SetFile(str.c_str(), FileSpec::Style::native); 314 FileSystem::Instance().Resolve(module_spec.GetFileSpec()); 315 if (log) { 316 LLDB_LOGF(log, 317 "From dsymForUUID plist: Symbol rich executable is at '%s'", 318 str.c_str()); 319 } 320 } 321 } 322 323 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 324 CFSTR("DBGDSYMPath")); 325 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 326 if (CFCString::FileSystemRepresentation(cf_str, str)) { 327 module_spec.GetSymbolFileSpec().SetFile(str.c_str(), 328 FileSpec::Style::native); 329 FileSystem::Instance().Resolve(module_spec.GetFileSpec()); 330 success = true; 331 if (log) { 332 LLDB_LOGF(log, "From dsymForUUID plist: dSYM is at '%s'", 333 str.c_str()); 334 } 335 } 336 } 337 338 std::string DBGBuildSourcePath; 339 std::string DBGSourcePath; 340 341 // If DBGVersion 1 or DBGVersion missing, ignore DBGSourcePathRemapping. 342 // If DBGVersion 2, strip last two components of path remappings from 343 // entries to fix an issue with a specific set of 344 // DBGSourcePathRemapping entries that lldb worked 345 // with. 346 // If DBGVersion 3, trust & use the source path remappings as-is. 347 // 348 cf_dict = (CFDictionaryRef)CFDictionaryGetValue( 349 (CFDictionaryRef)uuid_dict, CFSTR("DBGSourcePathRemapping")); 350 if (cf_dict && CFGetTypeID(cf_dict) == CFDictionaryGetTypeID()) { 351 // If we see DBGVersion with a value of 2 or higher, this is a new style 352 // DBGSourcePathRemapping dictionary 353 bool new_style_source_remapping_dictionary = false; 354 bool do_truncate_remapping_names = false; 355 std::string original_DBGSourcePath_value = DBGSourcePath; 356 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 357 CFSTR("DBGVersion")); 358 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 359 std::string version; 360 CFCString::FileSystemRepresentation(cf_str, version); 361 if (!version.empty() && isdigit(version[0])) { 362 int version_number = atoi(version.c_str()); 363 if (version_number > 1) { 364 new_style_source_remapping_dictionary = true; 365 } 366 if (version_number == 2) { 367 do_truncate_remapping_names = true; 368 } 369 } 370 } 371 372 CFIndex kv_pair_count = CFDictionaryGetCount((CFDictionaryRef)uuid_dict); 373 if (kv_pair_count > 0) { 374 CFStringRef *keys = 375 (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef)); 376 CFStringRef *values = 377 (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef)); 378 if (keys != nullptr && values != nullptr) { 379 CFDictionaryGetKeysAndValues((CFDictionaryRef)uuid_dict, 380 (const void **)keys, 381 (const void **)values); 382 } 383 for (CFIndex i = 0; i < kv_pair_count; i++) { 384 DBGBuildSourcePath.clear(); 385 DBGSourcePath.clear(); 386 if (keys[i] && CFGetTypeID(keys[i]) == CFStringGetTypeID()) { 387 CFCString::FileSystemRepresentation(keys[i], DBGBuildSourcePath); 388 } 389 if (values[i] && CFGetTypeID(values[i]) == CFStringGetTypeID()) { 390 CFCString::FileSystemRepresentation(values[i], DBGSourcePath); 391 } 392 if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty()) { 393 // In the "old style" DBGSourcePathRemapping dictionary, the 394 // DBGSourcePath values (the "values" half of key-value path pairs) 395 // were wrong. Ignore them and use the universal DBGSourcePath 396 // string from earlier. 397 if (new_style_source_remapping_dictionary && 398 !original_DBGSourcePath_value.empty()) { 399 DBGSourcePath = original_DBGSourcePath_value; 400 } 401 if (DBGSourcePath[0] == '~') { 402 FileSpec resolved_source_path(DBGSourcePath.c_str()); 403 FileSystem::Instance().Resolve(resolved_source_path); 404 DBGSourcePath = resolved_source_path.GetPath(); 405 } 406 // With version 2 of DBGSourcePathRemapping, we can chop off the 407 // last two filename parts from the source remapping and get a more 408 // general source remapping that still works. Add this as another 409 // option in addition to the full source path remap. 410 module_spec.GetSourceMappingList().Append(DBGBuildSourcePath, 411 DBGSourcePath, true); 412 if (do_truncate_remapping_names) { 413 FileSpec build_path(DBGBuildSourcePath.c_str()); 414 FileSpec source_path(DBGSourcePath.c_str()); 415 build_path.RemoveLastPathComponent(); 416 build_path.RemoveLastPathComponent(); 417 source_path.RemoveLastPathComponent(); 418 source_path.RemoveLastPathComponent(); 419 module_spec.GetSourceMappingList().Append( 420 build_path.GetPath(), source_path.GetPath(), true); 421 } 422 } 423 } 424 if (keys) 425 free(keys); 426 if (values) 427 free(values); 428 } 429 } 430 431 // If we have a DBGBuildSourcePath + DBGSourcePath pair, append them to the 432 // source remappings list. 433 434 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 435 CFSTR("DBGBuildSourcePath")); 436 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 437 CFCString::FileSystemRepresentation(cf_str, DBGBuildSourcePath); 438 } 439 440 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 441 CFSTR("DBGSourcePath")); 442 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 443 CFCString::FileSystemRepresentation(cf_str, DBGSourcePath); 444 } 445 446 if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty()) { 447 if (DBGSourcePath[0] == '~') { 448 FileSpec resolved_source_path(DBGSourcePath.c_str()); 449 FileSystem::Instance().Resolve(resolved_source_path); 450 DBGSourcePath = resolved_source_path.GetPath(); 451 } 452 module_spec.GetSourceMappingList().Append(DBGBuildSourcePath, 453 DBGSourcePath, true); 454 } 455 } 456 return success; 457 } 458 459 bool Symbols::DownloadObjectAndSymbolFile(ModuleSpec &module_spec, 460 bool force_lookup) { 461 bool success = false; 462 const UUID *uuid_ptr = module_spec.GetUUIDPtr(); 463 const FileSpec *file_spec_ptr = module_spec.GetFileSpecPtr(); 464 465 // It's expensive to check for the DBGShellCommands defaults setting, only do 466 // it once per lldb run and cache the result. 467 static bool g_have_checked_for_dbgshell_command = false; 468 static const char *g_dbgshell_command = NULL; 469 if (!g_have_checked_for_dbgshell_command) { 470 g_have_checked_for_dbgshell_command = true; 471 CFTypeRef defaults_setting = CFPreferencesCopyAppValue( 472 CFSTR("DBGShellCommands"), CFSTR("com.apple.DebugSymbols")); 473 if (defaults_setting && 474 CFGetTypeID(defaults_setting) == CFStringGetTypeID()) { 475 char cstr_buf[PATH_MAX]; 476 if (CFStringGetCString((CFStringRef)defaults_setting, cstr_buf, 477 sizeof(cstr_buf), kCFStringEncodingUTF8)) { 478 g_dbgshell_command = 479 strdup(cstr_buf); // this malloc'ed memory will never be freed 480 } 481 } 482 if (defaults_setting) { 483 CFRelease(defaults_setting); 484 } 485 } 486 487 // When g_dbgshell_command is NULL, the user has not enabled the use of an 488 // external program to find the symbols, don't run it for them. 489 if (!force_lookup && g_dbgshell_command == NULL) { 490 return false; 491 } 492 493 if (uuid_ptr || 494 (file_spec_ptr && FileSystem::Instance().Exists(*file_spec_ptr))) { 495 static bool g_located_dsym_for_uuid_exe = false; 496 static bool g_dsym_for_uuid_exe_exists = false; 497 static char g_dsym_for_uuid_exe_path[PATH_MAX]; 498 if (!g_located_dsym_for_uuid_exe) { 499 g_located_dsym_for_uuid_exe = true; 500 const char *dsym_for_uuid_exe_path_cstr = 501 getenv("LLDB_APPLE_DSYMFORUUID_EXECUTABLE"); 502 FileSpec dsym_for_uuid_exe_spec; 503 if (dsym_for_uuid_exe_path_cstr) { 504 dsym_for_uuid_exe_spec.SetFile(dsym_for_uuid_exe_path_cstr, 505 FileSpec::Style::native); 506 FileSystem::Instance().Resolve(dsym_for_uuid_exe_spec); 507 g_dsym_for_uuid_exe_exists = 508 FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); 509 } 510 511 if (!g_dsym_for_uuid_exe_exists) { 512 dsym_for_uuid_exe_spec.SetFile("/usr/local/bin/dsymForUUID", 513 FileSpec::Style::native); 514 g_dsym_for_uuid_exe_exists = 515 FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); 516 if (!g_dsym_for_uuid_exe_exists) { 517 long bufsize; 518 if ((bufsize = sysconf(_SC_GETPW_R_SIZE_MAX)) != -1) { 519 char buffer[bufsize]; 520 struct passwd pwd; 521 struct passwd *tilde_rc = NULL; 522 // we are a library so we need to use the reentrant version of 523 // getpwnam() 524 if (getpwnam_r("rc", &pwd, buffer, bufsize, &tilde_rc) == 0 && 525 tilde_rc && tilde_rc->pw_dir) { 526 std::string dsymforuuid_path(tilde_rc->pw_dir); 527 dsymforuuid_path += "/bin/dsymForUUID"; 528 dsym_for_uuid_exe_spec.SetFile(dsymforuuid_path.c_str(), 529 FileSpec::Style::native); 530 g_dsym_for_uuid_exe_exists = 531 FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); 532 } 533 } 534 } 535 } 536 if (!g_dsym_for_uuid_exe_exists && g_dbgshell_command != NULL) { 537 dsym_for_uuid_exe_spec.SetFile(g_dbgshell_command, 538 FileSpec::Style::native); 539 FileSystem::Instance().Resolve(dsym_for_uuid_exe_spec); 540 g_dsym_for_uuid_exe_exists = 541 FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); 542 } 543 544 if (g_dsym_for_uuid_exe_exists) 545 dsym_for_uuid_exe_spec.GetPath(g_dsym_for_uuid_exe_path, 546 sizeof(g_dsym_for_uuid_exe_path)); 547 } 548 if (g_dsym_for_uuid_exe_exists) { 549 std::string uuid_str; 550 char file_path[PATH_MAX]; 551 file_path[0] = '\0'; 552 553 if (uuid_ptr) 554 uuid_str = uuid_ptr->GetAsString(); 555 556 if (file_spec_ptr) 557 file_spec_ptr->GetPath(file_path, sizeof(file_path)); 558 559 StreamString command; 560 if (!uuid_str.empty()) 561 command.Printf("%s --ignoreNegativeCache --copyExecutable %s", 562 g_dsym_for_uuid_exe_path, uuid_str.c_str()); 563 else if (file_path[0] != '\0') 564 command.Printf("%s --ignoreNegativeCache --copyExecutable %s", 565 g_dsym_for_uuid_exe_path, file_path); 566 567 if (!command.GetString().empty()) { 568 Log *log = GetLog(LLDBLog::Host); 569 int exit_status = -1; 570 int signo = -1; 571 std::string command_output; 572 if (log) { 573 if (!uuid_str.empty()) 574 LLDB_LOGF(log, "Calling %s with UUID %s to find dSYM", 575 g_dsym_for_uuid_exe_path, uuid_str.c_str()); 576 else if (file_path[0] != '\0') 577 LLDB_LOGF(log, "Calling %s with file %s to find dSYM", 578 g_dsym_for_uuid_exe_path, file_path); 579 } 580 Status error = Host::RunShellCommand( 581 command.GetData(), 582 FileSpec(), // current working directory 583 &exit_status, // Exit status 584 &signo, // Signal int * 585 &command_output, // Command output 586 std::chrono::seconds( 587 640), // Large timeout to allow for long dsym download times 588 false); // Don't run in a shell (we don't need shell expansion) 589 if (error.Success() && exit_status == 0 && !command_output.empty()) { 590 CFCData data(CFDataCreateWithBytesNoCopy( 591 NULL, (const UInt8 *)command_output.data(), command_output.size(), 592 kCFAllocatorNull)); 593 594 CFCReleaser<CFDictionaryRef> plist( 595 (CFDictionaryRef)::CFPropertyListCreateFromXMLData( 596 NULL, data.get(), kCFPropertyListImmutable, NULL)); 597 598 if (plist.get() && 599 CFGetTypeID(plist.get()) == CFDictionaryGetTypeID()) { 600 if (!uuid_str.empty()) { 601 CFCString uuid_cfstr(uuid_str.c_str()); 602 CFDictionaryRef uuid_dict = (CFDictionaryRef)CFDictionaryGetValue( 603 plist.get(), uuid_cfstr.get()); 604 success = 605 GetModuleSpecInfoFromUUIDDictionary(uuid_dict, module_spec); 606 } else { 607 const CFIndex num_values = ::CFDictionaryGetCount(plist.get()); 608 if (num_values > 0) { 609 std::vector<CFStringRef> keys(num_values, NULL); 610 std::vector<CFDictionaryRef> values(num_values, NULL); 611 ::CFDictionaryGetKeysAndValues(plist.get(), NULL, 612 (const void **)&values[0]); 613 if (num_values == 1) { 614 success = GetModuleSpecInfoFromUUIDDictionary(values[0], 615 module_spec); 616 return success; 617 } else { 618 for (CFIndex i = 0; i < num_values; ++i) { 619 ModuleSpec curr_module_spec; 620 if (GetModuleSpecInfoFromUUIDDictionary(values[i], 621 curr_module_spec)) { 622 if (module_spec.GetArchitecture().IsCompatibleMatch( 623 curr_module_spec.GetArchitecture())) { 624 module_spec = curr_module_spec; 625 return true; 626 } 627 } 628 } 629 } 630 } 631 } 632 } 633 } else { 634 if (log) { 635 if (!uuid_str.empty()) 636 LLDB_LOGF(log, "Called %s on %s, no matches", 637 g_dsym_for_uuid_exe_path, uuid_str.c_str()); 638 else if (file_path[0] != '\0') 639 LLDB_LOGF(log, "Called %s on %s, no matches", 640 g_dsym_for_uuid_exe_path, file_path); 641 } 642 } 643 } 644 } 645 } 646 return success; 647 } 648