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/Log.h" 30 #include "lldb/Utility/StreamString.h" 31 #include "lldb/Utility/Timer.h" 32 #include "lldb/Utility/UUID.h" 33 #include "mach/machine.h" 34 35 #include "llvm/ADT/ScopeExit.h" 36 #include "llvm/Support/FileSystem.h" 37 38 using namespace lldb; 39 using namespace lldb_private; 40 41 static CFURLRef (*g_dlsym_DBGCopyFullDSYMURLForUUID)(CFUUIDRef uuid, CFURLRef exec_url) = nullptr; 42 static CFDictionaryRef (*g_dlsym_DBGCopyDSYMPropertyLists)(CFURLRef dsym_url) = nullptr; 43 44 int LocateMacOSXFilesUsingDebugSymbols(const ModuleSpec &module_spec, 45 ModuleSpec &return_module_spec) { 46 Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); 47 if (!ModuleList::GetGlobalModuleListProperties().GetEnableExternalLookup()) { 48 LLDB_LOGF(log, "Spotlight lookup for .dSYM bundles is disabled."); 49 return 0; 50 } 51 52 return_module_spec = module_spec; 53 return_module_spec.GetFileSpec().Clear(); 54 return_module_spec.GetSymbolFileSpec().Clear(); 55 56 int items_found = 0; 57 58 if (g_dlsym_DBGCopyFullDSYMURLForUUID == nullptr || 59 g_dlsym_DBGCopyDSYMPropertyLists == nullptr) { 60 void *handle = dlopen ("/System/Library/PrivateFrameworks/DebugSymbols.framework/DebugSymbols", RTLD_LAZY | RTLD_LOCAL); 61 if (handle) { 62 g_dlsym_DBGCopyFullDSYMURLForUUID = (CFURLRef (*)(CFUUIDRef, CFURLRef)) dlsym (handle, "DBGCopyFullDSYMURLForUUID"); 63 g_dlsym_DBGCopyDSYMPropertyLists = (CFDictionaryRef (*)(CFURLRef)) dlsym (handle, "DBGCopyDSYMPropertyLists"); 64 } 65 } 66 67 if (g_dlsym_DBGCopyFullDSYMURLForUUID == nullptr || 68 g_dlsym_DBGCopyDSYMPropertyLists == nullptr) { 69 return items_found; 70 } 71 72 const UUID *uuid = module_spec.GetUUIDPtr(); 73 const ArchSpec *arch = module_spec.GetArchitecturePtr(); 74 75 if (uuid && uuid->IsValid()) { 76 // Try and locate the dSYM file using DebugSymbols first 77 llvm::ArrayRef<uint8_t> module_uuid = uuid->GetBytes(); 78 if (module_uuid.size() == 16) { 79 CFCReleaser<CFUUIDRef> module_uuid_ref(::CFUUIDCreateWithBytes( 80 NULL, module_uuid[0], module_uuid[1], module_uuid[2], module_uuid[3], 81 module_uuid[4], module_uuid[5], module_uuid[6], module_uuid[7], 82 module_uuid[8], module_uuid[9], module_uuid[10], module_uuid[11], 83 module_uuid[12], module_uuid[13], module_uuid[14], module_uuid[15])); 84 85 if (module_uuid_ref.get()) { 86 CFCReleaser<CFURLRef> exec_url; 87 const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); 88 if (exec_fspec) { 89 char exec_cf_path[PATH_MAX]; 90 if (exec_fspec->GetPath(exec_cf_path, sizeof(exec_cf_path))) 91 exec_url.reset(::CFURLCreateFromFileSystemRepresentation( 92 NULL, (const UInt8 *)exec_cf_path, strlen(exec_cf_path), 93 FALSE)); 94 } 95 96 CFCReleaser<CFURLRef> dsym_url( 97 g_dlsym_DBGCopyFullDSYMURLForUUID(module_uuid_ref.get(), exec_url.get())); 98 char path[PATH_MAX]; 99 100 if (dsym_url.get()) { 101 if (::CFURLGetFileSystemRepresentation( 102 dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { 103 if (log) { 104 LLDB_LOGF(log, 105 "DebugSymbols framework returned dSYM path of %s for " 106 "UUID %s -- looking for the dSYM", 107 path, uuid->GetAsString().c_str()); 108 } 109 FileSpec dsym_filespec(path); 110 if (path[0] == '~') 111 FileSystem::Instance().Resolve(dsym_filespec); 112 113 if (FileSystem::Instance().IsDirectory(dsym_filespec)) { 114 dsym_filespec = 115 Symbols::FindSymbolFileInBundle(dsym_filespec, uuid, arch); 116 ++items_found; 117 } else { 118 ++items_found; 119 } 120 return_module_spec.GetSymbolFileSpec() = dsym_filespec; 121 } 122 123 bool success = false; 124 if (log) { 125 if (::CFURLGetFileSystemRepresentation( 126 dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { 127 LLDB_LOGF(log, 128 "DebugSymbols framework returned dSYM path of %s for " 129 "UUID %s -- looking for an exec file", 130 path, uuid->GetAsString().c_str()); 131 } 132 } 133 134 CFCReleaser<CFDictionaryRef> dict( 135 g_dlsym_DBGCopyDSYMPropertyLists(dsym_url.get())); 136 CFDictionaryRef uuid_dict = NULL; 137 if (dict.get()) { 138 CFCString uuid_cfstr(uuid->GetAsString().c_str()); 139 uuid_dict = static_cast<CFDictionaryRef>( 140 ::CFDictionaryGetValue(dict.get(), uuid_cfstr.get())); 141 } 142 if (uuid_dict) { 143 CFStringRef exec_cf_path = 144 static_cast<CFStringRef>(::CFDictionaryGetValue( 145 uuid_dict, CFSTR("DBGSymbolRichExecutable"))); 146 if (exec_cf_path && ::CFStringGetFileSystemRepresentation( 147 exec_cf_path, path, sizeof(path))) { 148 if (log) { 149 LLDB_LOGF(log, "plist bundle has exec path of %s for UUID %s", 150 path, uuid->GetAsString().c_str()); 151 } 152 ++items_found; 153 FileSpec exec_filespec(path); 154 if (path[0] == '~') 155 FileSystem::Instance().Resolve(exec_filespec); 156 if (FileSystem::Instance().Exists(exec_filespec)) { 157 success = true; 158 return_module_spec.GetFileSpec() = exec_filespec; 159 } 160 } 161 } 162 163 if (!success) { 164 // No dictionary, check near the dSYM bundle for an executable that 165 // matches... 166 if (::CFURLGetFileSystemRepresentation( 167 dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { 168 char *dsym_extension_pos = ::strstr(path, ".dSYM"); 169 if (dsym_extension_pos) { 170 *dsym_extension_pos = '\0'; 171 if (log) { 172 LLDB_LOGF(log, 173 "Looking for executable binary next to dSYM " 174 "bundle with name with name %s", 175 path); 176 } 177 FileSpec file_spec(path); 178 FileSystem::Instance().Resolve(file_spec); 179 ModuleSpecList module_specs; 180 ModuleSpec matched_module_spec; 181 using namespace llvm::sys::fs; 182 switch (get_file_type(file_spec.GetPath())) { 183 184 case file_type::directory_file: // Bundle directory? 185 { 186 CFCBundle bundle(path); 187 CFCReleaser<CFURLRef> bundle_exe_url( 188 bundle.CopyExecutableURL()); 189 if (bundle_exe_url.get()) { 190 if (::CFURLGetFileSystemRepresentation(bundle_exe_url.get(), 191 true, (UInt8 *)path, 192 sizeof(path) - 1)) { 193 FileSpec bundle_exe_file_spec(path); 194 FileSystem::Instance().Resolve(bundle_exe_file_spec); 195 if (ObjectFile::GetModuleSpecifications( 196 bundle_exe_file_spec, 0, 0, module_specs) && 197 module_specs.FindMatchingModuleSpec( 198 module_spec, matched_module_spec)) 199 200 { 201 ++items_found; 202 return_module_spec.GetFileSpec() = bundle_exe_file_spec; 203 if (log) { 204 LLDB_LOGF(log, 205 "Executable binary %s next to dSYM is " 206 "compatible; using", 207 path); 208 } 209 } 210 } 211 } 212 } break; 213 214 case file_type::fifo_file: // Forget pipes 215 case file_type::socket_file: // We can't process socket files 216 case file_type::file_not_found: // File doesn't exist... 217 case file_type::status_error: 218 break; 219 220 case file_type::type_unknown: 221 case file_type::regular_file: 222 case file_type::symlink_file: 223 case file_type::block_file: 224 case file_type::character_file: 225 if (ObjectFile::GetModuleSpecifications(file_spec, 0, 0, 226 module_specs) && 227 module_specs.FindMatchingModuleSpec(module_spec, 228 matched_module_spec)) 229 230 { 231 ++items_found; 232 return_module_spec.GetFileSpec() = file_spec; 233 if (log) { 234 LLDB_LOGF(log, 235 "Executable binary %s next to dSYM is " 236 "compatible; using", 237 path); 238 } 239 } 240 break; 241 } 242 } 243 } 244 } 245 } 246 } 247 } 248 } 249 250 return items_found; 251 } 252 253 FileSpec Symbols::FindSymbolFileInBundle(const FileSpec &dsym_bundle_fspec, 254 const lldb_private::UUID *uuid, 255 const ArchSpec *arch) { 256 std::string dsym_bundle_path = dsym_bundle_fspec.GetPath(); 257 llvm::SmallString<128> buffer(dsym_bundle_path); 258 llvm::sys::path::append(buffer, "Contents", "Resources", "DWARF"); 259 260 std::error_code EC; 261 llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> vfs = 262 FileSystem::Instance().GetVirtualFileSystem(); 263 llvm::vfs::recursive_directory_iterator Iter(*vfs, buffer.str(), EC); 264 llvm::vfs::recursive_directory_iterator End; 265 for (; Iter != End && !EC; Iter.increment(EC)) { 266 llvm::ErrorOr<llvm::vfs::Status> Status = vfs->status(Iter->path()); 267 if (Status->isDirectory()) 268 continue; 269 270 FileSpec dsym_fspec(Iter->path()); 271 ModuleSpecList module_specs; 272 if (ObjectFile::GetModuleSpecifications(dsym_fspec, 0, 0, module_specs)) { 273 ModuleSpec spec; 274 for (size_t i = 0; i < module_specs.GetSize(); ++i) { 275 bool got_spec = module_specs.GetModuleSpecAtIndex(i, spec); 276 assert(got_spec); // The call has side-effects so can't be inlined. 277 UNUSED_IF_ASSERT_DISABLED(got_spec); 278 if ((uuid == nullptr || 279 (spec.GetUUIDPtr() && spec.GetUUID() == *uuid)) && 280 (arch == nullptr || 281 (spec.GetArchitecturePtr() && 282 spec.GetArchitecture().IsCompatibleMatch(*arch)))) { 283 return dsym_fspec; 284 } 285 } 286 } 287 } 288 289 return {}; 290 } 291 292 static bool GetModuleSpecInfoFromUUIDDictionary(CFDictionaryRef uuid_dict, 293 ModuleSpec &module_spec) { 294 Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); 295 bool success = false; 296 if (uuid_dict != NULL && CFGetTypeID(uuid_dict) == CFDictionaryGetTypeID()) { 297 std::string str; 298 CFStringRef cf_str; 299 CFDictionaryRef cf_dict; 300 301 cf_str = (CFStringRef)CFDictionaryGetValue( 302 (CFDictionaryRef)uuid_dict, CFSTR("DBGSymbolRichExecutable")); 303 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 304 if (CFCString::FileSystemRepresentation(cf_str, str)) { 305 module_spec.GetFileSpec().SetFile(str.c_str(), FileSpec::Style::native); 306 FileSystem::Instance().Resolve(module_spec.GetFileSpec()); 307 if (log) { 308 LLDB_LOGF(log, 309 "From dsymForUUID plist: Symbol rich executable is at '%s'", 310 str.c_str()); 311 } 312 } 313 } 314 315 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 316 CFSTR("DBGDSYMPath")); 317 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 318 if (CFCString::FileSystemRepresentation(cf_str, str)) { 319 module_spec.GetSymbolFileSpec().SetFile(str.c_str(), 320 FileSpec::Style::native); 321 FileSystem::Instance().Resolve(module_spec.GetFileSpec()); 322 success = true; 323 if (log) { 324 LLDB_LOGF(log, "From dsymForUUID plist: dSYM is at '%s'", 325 str.c_str()); 326 } 327 } 328 } 329 330 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 331 CFSTR("DBGArchitecture")); 332 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 333 if (CFCString::FileSystemRepresentation(cf_str, str)) 334 module_spec.GetArchitecture().SetTriple(str.c_str()); 335 } 336 337 std::string DBGBuildSourcePath; 338 std::string DBGSourcePath; 339 340 // If DBGVersion 1 or DBGVersion missing, ignore DBGSourcePathRemapping. 341 // If DBGVersion 2, strip last two components of path remappings from 342 // entries to fix an issue with a specific set of 343 // DBGSourcePathRemapping entries that lldb worked 344 // with. 345 // If DBGVersion 3, trust & use the source path remappings as-is. 346 // 347 cf_dict = (CFDictionaryRef)CFDictionaryGetValue( 348 (CFDictionaryRef)uuid_dict, CFSTR("DBGSourcePathRemapping")); 349 if (cf_dict && CFGetTypeID(cf_dict) == CFDictionaryGetTypeID()) { 350 // If we see DBGVersion with a value of 2 or higher, this is a new style 351 // DBGSourcePathRemapping dictionary 352 bool new_style_source_remapping_dictionary = false; 353 bool do_truncate_remapping_names = false; 354 std::string original_DBGSourcePath_value = DBGSourcePath; 355 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 356 CFSTR("DBGVersion")); 357 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 358 std::string version; 359 CFCString::FileSystemRepresentation(cf_str, version); 360 if (!version.empty() && isdigit(version[0])) { 361 int version_number = atoi(version.c_str()); 362 if (version_number > 1) { 363 new_style_source_remapping_dictionary = true; 364 } 365 if (version_number == 2) { 366 do_truncate_remapping_names = true; 367 } 368 } 369 } 370 371 CFIndex kv_pair_count = CFDictionaryGetCount((CFDictionaryRef)uuid_dict); 372 if (kv_pair_count > 0) { 373 CFStringRef *keys = 374 (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef)); 375 CFStringRef *values = 376 (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef)); 377 if (keys != nullptr && values != nullptr) { 378 CFDictionaryGetKeysAndValues((CFDictionaryRef)uuid_dict, 379 (const void **)keys, 380 (const void **)values); 381 } 382 for (CFIndex i = 0; i < kv_pair_count; i++) { 383 DBGBuildSourcePath.clear(); 384 DBGSourcePath.clear(); 385 if (keys[i] && CFGetTypeID(keys[i]) == CFStringGetTypeID()) { 386 CFCString::FileSystemRepresentation(keys[i], DBGBuildSourcePath); 387 } 388 if (values[i] && CFGetTypeID(values[i]) == CFStringGetTypeID()) { 389 CFCString::FileSystemRepresentation(values[i], DBGSourcePath); 390 } 391 if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty()) { 392 // In the "old style" DBGSourcePathRemapping dictionary, the 393 // DBGSourcePath values (the "values" half of key-value path pairs) 394 // were wrong. Ignore them and use the universal DBGSourcePath 395 // string from earlier. 396 if (new_style_source_remapping_dictionary && 397 !original_DBGSourcePath_value.empty()) { 398 DBGSourcePath = original_DBGSourcePath_value; 399 } 400 if (DBGSourcePath[0] == '~') { 401 FileSpec resolved_source_path(DBGSourcePath.c_str()); 402 FileSystem::Instance().Resolve(resolved_source_path); 403 DBGSourcePath = resolved_source_path.GetPath(); 404 } 405 // With version 2 of DBGSourcePathRemapping, we can chop off the 406 // last two filename parts from the source remapping and get a more 407 // general source remapping that still works. Add this as another 408 // option in addition to the full source path remap. 409 module_spec.GetSourceMappingList().Append( 410 ConstString(DBGBuildSourcePath.c_str()), 411 ConstString(DBGSourcePath.c_str()), 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 ConstString(build_path.GetPath().c_str()), 421 ConstString(source_path.GetPath().c_str()), true); 422 } 423 } 424 } 425 if (keys) 426 free(keys); 427 if (values) 428 free(values); 429 } 430 } 431 432 // If we have a DBGBuildSourcePath + DBGSourcePath pair, append them to the 433 // source remappings list. 434 435 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 436 CFSTR("DBGBuildSourcePath")); 437 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 438 CFCString::FileSystemRepresentation(cf_str, DBGBuildSourcePath); 439 } 440 441 cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, 442 CFSTR("DBGSourcePath")); 443 if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { 444 CFCString::FileSystemRepresentation(cf_str, DBGSourcePath); 445 } 446 447 if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty()) { 448 if (DBGSourcePath[0] == '~') { 449 FileSpec resolved_source_path(DBGSourcePath.c_str()); 450 FileSystem::Instance().Resolve(resolved_source_path); 451 DBGSourcePath = resolved_source_path.GetPath(); 452 } 453 module_spec.GetSourceMappingList().Append( 454 ConstString(DBGBuildSourcePath.c_str()), 455 ConstString(DBGSourcePath.c_str()), true); 456 } 457 } 458 return success; 459 } 460 461 bool Symbols::DownloadObjectAndSymbolFile(ModuleSpec &module_spec, 462 bool force_lookup) { 463 bool success = false; 464 const UUID *uuid_ptr = module_spec.GetUUIDPtr(); 465 const FileSpec *file_spec_ptr = module_spec.GetFileSpecPtr(); 466 467 // It's expensive to check for the DBGShellCommands defaults setting, only do 468 // it once per lldb run and cache the result. 469 static bool g_have_checked_for_dbgshell_command = false; 470 static const char *g_dbgshell_command = NULL; 471 if (!g_have_checked_for_dbgshell_command) { 472 g_have_checked_for_dbgshell_command = true; 473 CFTypeRef defaults_setting = CFPreferencesCopyAppValue( 474 CFSTR("DBGShellCommands"), CFSTR("com.apple.DebugSymbols")); 475 if (defaults_setting && 476 CFGetTypeID(defaults_setting) == CFStringGetTypeID()) { 477 char cstr_buf[PATH_MAX]; 478 if (CFStringGetCString((CFStringRef)defaults_setting, cstr_buf, 479 sizeof(cstr_buf), kCFStringEncodingUTF8)) { 480 g_dbgshell_command = 481 strdup(cstr_buf); // this malloc'ed memory will never be freed 482 } 483 } 484 if (defaults_setting) { 485 CFRelease(defaults_setting); 486 } 487 } 488 489 // When g_dbgshell_command is NULL, the user has not enabled the use of an 490 // external program to find the symbols, don't run it for them. 491 if (!force_lookup && g_dbgshell_command == NULL) { 492 return false; 493 } 494 495 if (uuid_ptr || 496 (file_spec_ptr && FileSystem::Instance().Exists(*file_spec_ptr))) { 497 static bool g_located_dsym_for_uuid_exe = false; 498 static bool g_dsym_for_uuid_exe_exists = false; 499 static char g_dsym_for_uuid_exe_path[PATH_MAX]; 500 if (!g_located_dsym_for_uuid_exe) { 501 g_located_dsym_for_uuid_exe = true; 502 const char *dsym_for_uuid_exe_path_cstr = 503 getenv("LLDB_APPLE_DSYMFORUUID_EXECUTABLE"); 504 FileSpec dsym_for_uuid_exe_spec; 505 if (dsym_for_uuid_exe_path_cstr) { 506 dsym_for_uuid_exe_spec.SetFile(dsym_for_uuid_exe_path_cstr, 507 FileSpec::Style::native); 508 FileSystem::Instance().Resolve(dsym_for_uuid_exe_spec); 509 g_dsym_for_uuid_exe_exists = 510 FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); 511 } 512 513 if (!g_dsym_for_uuid_exe_exists) { 514 dsym_for_uuid_exe_spec.SetFile("/usr/local/bin/dsymForUUID", 515 FileSpec::Style::native); 516 g_dsym_for_uuid_exe_exists = 517 FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); 518 if (!g_dsym_for_uuid_exe_exists) { 519 long bufsize; 520 if ((bufsize = sysconf(_SC_GETPW_R_SIZE_MAX)) != -1) { 521 char buffer[bufsize]; 522 struct passwd pwd; 523 struct passwd *tilde_rc = NULL; 524 // we are a library so we need to use the reentrant version of 525 // getpwnam() 526 if (getpwnam_r("rc", &pwd, buffer, bufsize, &tilde_rc) == 0 && 527 tilde_rc && tilde_rc->pw_dir) { 528 std::string dsymforuuid_path(tilde_rc->pw_dir); 529 dsymforuuid_path += "/bin/dsymForUUID"; 530 dsym_for_uuid_exe_spec.SetFile(dsymforuuid_path.c_str(), 531 FileSpec::Style::native); 532 g_dsym_for_uuid_exe_exists = 533 FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); 534 } 535 } 536 } 537 } 538 if (!g_dsym_for_uuid_exe_exists && g_dbgshell_command != NULL) { 539 dsym_for_uuid_exe_spec.SetFile(g_dbgshell_command, 540 FileSpec::Style::native); 541 FileSystem::Instance().Resolve(dsym_for_uuid_exe_spec); 542 g_dsym_for_uuid_exe_exists = 543 FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); 544 } 545 546 if (g_dsym_for_uuid_exe_exists) 547 dsym_for_uuid_exe_spec.GetPath(g_dsym_for_uuid_exe_path, 548 sizeof(g_dsym_for_uuid_exe_path)); 549 } 550 if (g_dsym_for_uuid_exe_exists) { 551 std::string uuid_str; 552 char file_path[PATH_MAX]; 553 file_path[0] = '\0'; 554 555 if (uuid_ptr) 556 uuid_str = uuid_ptr->GetAsString(); 557 558 if (file_spec_ptr) 559 file_spec_ptr->GetPath(file_path, sizeof(file_path)); 560 561 StreamString command; 562 if (!uuid_str.empty()) 563 command.Printf("%s --ignoreNegativeCache --copyExecutable %s", 564 g_dsym_for_uuid_exe_path, uuid_str.c_str()); 565 else if (file_path[0] != '\0') 566 command.Printf("%s --ignoreNegativeCache --copyExecutable %s", 567 g_dsym_for_uuid_exe_path, file_path); 568 569 if (!command.GetString().empty()) { 570 Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); 571 int exit_status = -1; 572 int signo = -1; 573 std::string command_output; 574 if (log) { 575 if (!uuid_str.empty()) 576 LLDB_LOGF(log, "Calling %s with UUID %s to find dSYM", 577 g_dsym_for_uuid_exe_path, uuid_str.c_str()); 578 else if (file_path[0] != '\0') 579 LLDB_LOGF(log, "Calling %s with file %s to find dSYM", 580 g_dsym_for_uuid_exe_path, file_path); 581 } 582 Status error = Host::RunShellCommand( 583 command.GetData(), 584 FileSpec(), // current working directory 585 &exit_status, // Exit status 586 &signo, // Signal int * 587 &command_output, // Command output 588 std::chrono::seconds( 589 120), // Large timeout to allow for long dsym download times 590 false); // Don't run in a shell (we don't need shell expansion) 591 if (error.Success() && exit_status == 0 && !command_output.empty()) { 592 CFCData data(CFDataCreateWithBytesNoCopy( 593 NULL, (const UInt8 *)command_output.data(), command_output.size(), 594 kCFAllocatorNull)); 595 596 CFCReleaser<CFDictionaryRef> plist( 597 (CFDictionaryRef)::CFPropertyListCreateFromXMLData( 598 NULL, data.get(), kCFPropertyListImmutable, NULL)); 599 600 if (plist.get() && 601 CFGetTypeID(plist.get()) == CFDictionaryGetTypeID()) { 602 if (!uuid_str.empty()) { 603 CFCString uuid_cfstr(uuid_str.c_str()); 604 CFDictionaryRef uuid_dict = (CFDictionaryRef)CFDictionaryGetValue( 605 plist.get(), uuid_cfstr.get()); 606 success = 607 GetModuleSpecInfoFromUUIDDictionary(uuid_dict, module_spec); 608 } else { 609 const CFIndex num_values = ::CFDictionaryGetCount(plist.get()); 610 if (num_values > 0) { 611 std::vector<CFStringRef> keys(num_values, NULL); 612 std::vector<CFDictionaryRef> values(num_values, NULL); 613 ::CFDictionaryGetKeysAndValues(plist.get(), NULL, 614 (const void **)&values[0]); 615 if (num_values == 1) { 616 return GetModuleSpecInfoFromUUIDDictionary(values[0], 617 module_spec); 618 } else { 619 for (CFIndex i = 0; i < num_values; ++i) { 620 ModuleSpec curr_module_spec; 621 if (GetModuleSpecInfoFromUUIDDictionary(values[i], 622 curr_module_spec)) { 623 if (module_spec.GetArchitecture().IsCompatibleMatch( 624 curr_module_spec.GetArchitecture())) { 625 module_spec = curr_module_spec; 626 return true; 627 } 628 } 629 } 630 } 631 } 632 } 633 } 634 } else { 635 if (log) { 636 if (!uuid_str.empty()) 637 LLDB_LOGF(log, "Called %s on %s, no matches", 638 g_dsym_for_uuid_exe_path, uuid_str.c_str()); 639 else if (file_path[0] != '\0') 640 LLDB_LOGF(log, "Called %s on %s, no matches", 641 g_dsym_for_uuid_exe_path, file_path); 642 } 643 } 644 } 645 } 646 } 647 return success; 648 } 649