| //===-- LocateSymbolFileMacOSX.cpp ----------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/Symbol/LocateSymbolFile.h" |
| |
| #include <dirent.h> |
| #include <dlfcn.h> |
| #include <pwd.h> |
| |
| #include <CoreFoundation/CoreFoundation.h> |
| |
| #include "Host/macosx/cfcpp/CFCBundle.h" |
| #include "Host/macosx/cfcpp/CFCData.h" |
| #include "Host/macosx/cfcpp/CFCReleaser.h" |
| #include "Host/macosx/cfcpp/CFCString.h" |
| #include "lldb/Core/ModuleList.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Utility/ArchSpec.h" |
| #include "lldb/Utility/DataBuffer.h" |
| #include "lldb/Utility/DataExtractor.h" |
| #include "lldb/Utility/Endian.h" |
| #include "lldb/Utility/Log.h" |
| #include "lldb/Utility/ReproducerProvider.h" |
| #include "lldb/Utility/StreamString.h" |
| #include "lldb/Utility/Timer.h" |
| #include "lldb/Utility/UUID.h" |
| #include "mach/machine.h" |
| |
| #include "llvm/ADT/ScopeExit.h" |
| #include "llvm/Support/FileSystem.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| static CFURLRef (*g_dlsym_DBGCopyFullDSYMURLForUUID)(CFUUIDRef uuid, CFURLRef exec_url) = nullptr; |
| static CFDictionaryRef (*g_dlsym_DBGCopyDSYMPropertyLists)(CFURLRef dsym_url) = nullptr; |
| |
| int LocateMacOSXFilesUsingDebugSymbols(const ModuleSpec &module_spec, |
| ModuleSpec &return_module_spec) { |
| Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); |
| if (!ModuleList::GetGlobalModuleListProperties().GetEnableExternalLookup()) { |
| LLDB_LOGF(log, "Spotlight lookup for .dSYM bundles is disabled."); |
| return 0; |
| } |
| |
| return_module_spec = module_spec; |
| return_module_spec.GetFileSpec().Clear(); |
| return_module_spec.GetSymbolFileSpec().Clear(); |
| |
| const UUID *uuid = module_spec.GetUUIDPtr(); |
| const ArchSpec *arch = module_spec.GetArchitecturePtr(); |
| |
| if (repro::Loader *l = repro::Reproducer::Instance().GetLoader()) { |
| static repro::SymbolFileLoader symbol_file_loader(l); |
| std::pair<FileSpec, FileSpec> paths = symbol_file_loader.GetPaths(uuid); |
| return_module_spec.GetFileSpec() = paths.first; |
| return_module_spec.GetSymbolFileSpec() = paths.second; |
| return 1; |
| } |
| |
| int items_found = 0; |
| |
| if (g_dlsym_DBGCopyFullDSYMURLForUUID == nullptr || |
| g_dlsym_DBGCopyDSYMPropertyLists == nullptr) { |
| void *handle = dlopen ("/System/Library/PrivateFrameworks/DebugSymbols.framework/DebugSymbols", RTLD_LAZY | RTLD_LOCAL); |
| if (handle) { |
| g_dlsym_DBGCopyFullDSYMURLForUUID = (CFURLRef (*)(CFUUIDRef, CFURLRef)) dlsym (handle, "DBGCopyFullDSYMURLForUUID"); |
| g_dlsym_DBGCopyDSYMPropertyLists = (CFDictionaryRef (*)(CFURLRef)) dlsym (handle, "DBGCopyDSYMPropertyLists"); |
| } |
| } |
| |
| if (g_dlsym_DBGCopyFullDSYMURLForUUID == nullptr || |
| g_dlsym_DBGCopyDSYMPropertyLists == nullptr) { |
| return items_found; |
| } |
| |
| if (uuid && uuid->IsValid()) { |
| // Try and locate the dSYM file using DebugSymbols first |
| llvm::ArrayRef<uint8_t> module_uuid = uuid->GetBytes(); |
| if (module_uuid.size() == 16) { |
| CFCReleaser<CFUUIDRef> module_uuid_ref(::CFUUIDCreateWithBytes( |
| NULL, module_uuid[0], module_uuid[1], module_uuid[2], module_uuid[3], |
| module_uuid[4], module_uuid[5], module_uuid[6], module_uuid[7], |
| module_uuid[8], module_uuid[9], module_uuid[10], module_uuid[11], |
| module_uuid[12], module_uuid[13], module_uuid[14], module_uuid[15])); |
| |
| if (module_uuid_ref.get()) { |
| CFCReleaser<CFURLRef> exec_url; |
| const FileSpec *exec_fspec = module_spec.GetFileSpecPtr(); |
| if (exec_fspec) { |
| char exec_cf_path[PATH_MAX]; |
| if (exec_fspec->GetPath(exec_cf_path, sizeof(exec_cf_path))) |
| exec_url.reset(::CFURLCreateFromFileSystemRepresentation( |
| NULL, (const UInt8 *)exec_cf_path, strlen(exec_cf_path), |
| FALSE)); |
| } |
| |
| CFCReleaser<CFURLRef> dsym_url( |
| g_dlsym_DBGCopyFullDSYMURLForUUID(module_uuid_ref.get(), exec_url.get())); |
| char path[PATH_MAX]; |
| |
| if (dsym_url.get()) { |
| if (::CFURLGetFileSystemRepresentation( |
| dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { |
| if (log) { |
| LLDB_LOGF(log, |
| "DebugSymbols framework returned dSYM path of %s for " |
| "UUID %s -- looking for the dSYM", |
| path, uuid->GetAsString().c_str()); |
| } |
| FileSpec dsym_filespec(path); |
| if (path[0] == '~') |
| FileSystem::Instance().Resolve(dsym_filespec); |
| |
| if (FileSystem::Instance().IsDirectory(dsym_filespec)) { |
| dsym_filespec = |
| Symbols::FindSymbolFileInBundle(dsym_filespec, uuid, arch); |
| ++items_found; |
| } else { |
| ++items_found; |
| } |
| return_module_spec.GetSymbolFileSpec() = dsym_filespec; |
| } |
| |
| bool success = false; |
| if (log) { |
| if (::CFURLGetFileSystemRepresentation( |
| dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { |
| LLDB_LOGF(log, |
| "DebugSymbols framework returned dSYM path of %s for " |
| "UUID %s -- looking for an exec file", |
| path, uuid->GetAsString().c_str()); |
| } |
| } |
| |
| CFCReleaser<CFDictionaryRef> dict( |
| g_dlsym_DBGCopyDSYMPropertyLists(dsym_url.get())); |
| CFDictionaryRef uuid_dict = NULL; |
| if (dict.get()) { |
| CFCString uuid_cfstr(uuid->GetAsString().c_str()); |
| uuid_dict = static_cast<CFDictionaryRef>( |
| ::CFDictionaryGetValue(dict.get(), uuid_cfstr.get())); |
| } |
| if (uuid_dict) { |
| CFStringRef exec_cf_path = |
| static_cast<CFStringRef>(::CFDictionaryGetValue( |
| uuid_dict, CFSTR("DBGSymbolRichExecutable"))); |
| if (exec_cf_path && ::CFStringGetFileSystemRepresentation( |
| exec_cf_path, path, sizeof(path))) { |
| if (log) { |
| LLDB_LOGF(log, "plist bundle has exec path of %s for UUID %s", |
| path, uuid->GetAsString().c_str()); |
| } |
| ++items_found; |
| FileSpec exec_filespec(path); |
| if (path[0] == '~') |
| FileSystem::Instance().Resolve(exec_filespec); |
| if (FileSystem::Instance().Exists(exec_filespec)) { |
| success = true; |
| return_module_spec.GetFileSpec() = exec_filespec; |
| } |
| } |
| } |
| |
| if (!success) { |
| // No dictionary, check near the dSYM bundle for an executable that |
| // matches... |
| if (::CFURLGetFileSystemRepresentation( |
| dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) { |
| char *dsym_extension_pos = ::strstr(path, ".dSYM"); |
| if (dsym_extension_pos) { |
| *dsym_extension_pos = '\0'; |
| if (log) { |
| LLDB_LOGF(log, |
| "Looking for executable binary next to dSYM " |
| "bundle with name with name %s", |
| path); |
| } |
| FileSpec file_spec(path); |
| FileSystem::Instance().Resolve(file_spec); |
| ModuleSpecList module_specs; |
| ModuleSpec matched_module_spec; |
| using namespace llvm::sys::fs; |
| switch (get_file_type(file_spec.GetPath())) { |
| |
| case file_type::directory_file: // Bundle directory? |
| { |
| CFCBundle bundle(path); |
| CFCReleaser<CFURLRef> bundle_exe_url( |
| bundle.CopyExecutableURL()); |
| if (bundle_exe_url.get()) { |
| if (::CFURLGetFileSystemRepresentation(bundle_exe_url.get(), |
| true, (UInt8 *)path, |
| sizeof(path) - 1)) { |
| FileSpec bundle_exe_file_spec(path); |
| FileSystem::Instance().Resolve(bundle_exe_file_spec); |
| if (ObjectFile::GetModuleSpecifications( |
| bundle_exe_file_spec, 0, 0, module_specs) && |
| module_specs.FindMatchingModuleSpec( |
| module_spec, matched_module_spec)) |
| |
| { |
| ++items_found; |
| return_module_spec.GetFileSpec() = bundle_exe_file_spec; |
| if (log) { |
| LLDB_LOGF(log, |
| "Executable binary %s next to dSYM is " |
| "compatible; using", |
| path); |
| } |
| } |
| } |
| } |
| } break; |
| |
| case file_type::fifo_file: // Forget pipes |
| case file_type::socket_file: // We can't process socket files |
| case file_type::file_not_found: // File doesn't exist... |
| case file_type::status_error: |
| break; |
| |
| case file_type::type_unknown: |
| case file_type::regular_file: |
| case file_type::symlink_file: |
| case file_type::block_file: |
| case file_type::character_file: |
| if (ObjectFile::GetModuleSpecifications(file_spec, 0, 0, |
| module_specs) && |
| module_specs.FindMatchingModuleSpec(module_spec, |
| matched_module_spec)) |
| |
| { |
| ++items_found; |
| return_module_spec.GetFileSpec() = file_spec; |
| if (log) { |
| LLDB_LOGF(log, |
| "Executable binary %s next to dSYM is " |
| "compatible; using", |
| path); |
| } |
| } |
| break; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| if (repro::Generator *g = repro::Reproducer::Instance().GetGenerator()) { |
| g->GetOrCreate<repro::SymbolFileProvider>().AddSymbolFile( |
| uuid, return_module_spec.GetFileSpec(), |
| return_module_spec.GetSymbolFileSpec()); |
| } |
| |
| return items_found; |
| } |
| |
| FileSpec Symbols::FindSymbolFileInBundle(const FileSpec &dsym_bundle_fspec, |
| const lldb_private::UUID *uuid, |
| const ArchSpec *arch) { |
| std::string dsym_bundle_path = dsym_bundle_fspec.GetPath(); |
| llvm::SmallString<128> buffer(dsym_bundle_path); |
| llvm::sys::path::append(buffer, "Contents", "Resources", "DWARF"); |
| |
| std::error_code EC; |
| llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> vfs = |
| FileSystem::Instance().GetVirtualFileSystem(); |
| llvm::vfs::recursive_directory_iterator Iter(*vfs, buffer.str(), EC); |
| llvm::vfs::recursive_directory_iterator End; |
| for (; Iter != End && !EC; Iter.increment(EC)) { |
| llvm::ErrorOr<llvm::vfs::Status> Status = vfs->status(Iter->path()); |
| if (Status->isDirectory()) |
| continue; |
| |
| FileSpec dsym_fspec(Iter->path()); |
| ModuleSpecList module_specs; |
| if (ObjectFile::GetModuleSpecifications(dsym_fspec, 0, 0, module_specs)) { |
| ModuleSpec spec; |
| for (size_t i = 0; i < module_specs.GetSize(); ++i) { |
| bool got_spec = module_specs.GetModuleSpecAtIndex(i, spec); |
| assert(got_spec); // The call has side-effects so can't be inlined. |
| UNUSED_IF_ASSERT_DISABLED(got_spec); |
| if ((uuid == nullptr || |
| (spec.GetUUIDPtr() && spec.GetUUID() == *uuid)) && |
| (arch == nullptr || |
| (spec.GetArchitecturePtr() && |
| spec.GetArchitecture().IsCompatibleMatch(*arch)))) { |
| return dsym_fspec; |
| } |
| } |
| } |
| } |
| |
| return {}; |
| } |
| |
| static bool GetModuleSpecInfoFromUUIDDictionary(CFDictionaryRef uuid_dict, |
| ModuleSpec &module_spec) { |
| Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); |
| bool success = false; |
| if (uuid_dict != NULL && CFGetTypeID(uuid_dict) == CFDictionaryGetTypeID()) { |
| std::string str; |
| CFStringRef cf_str; |
| CFDictionaryRef cf_dict; |
| |
| cf_str = (CFStringRef)CFDictionaryGetValue( |
| (CFDictionaryRef)uuid_dict, CFSTR("DBGSymbolRichExecutable")); |
| if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { |
| if (CFCString::FileSystemRepresentation(cf_str, str)) { |
| module_spec.GetFileSpec().SetFile(str.c_str(), FileSpec::Style::native); |
| FileSystem::Instance().Resolve(module_spec.GetFileSpec()); |
| if (log) { |
| LLDB_LOGF(log, |
| "From dsymForUUID plist: Symbol rich executable is at '%s'", |
| str.c_str()); |
| } |
| } |
| } |
| |
| cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, |
| CFSTR("DBGDSYMPath")); |
| if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { |
| if (CFCString::FileSystemRepresentation(cf_str, str)) { |
| module_spec.GetSymbolFileSpec().SetFile(str.c_str(), |
| FileSpec::Style::native); |
| FileSystem::Instance().Resolve(module_spec.GetFileSpec()); |
| success = true; |
| if (log) { |
| LLDB_LOGF(log, "From dsymForUUID plist: dSYM is at '%s'", |
| str.c_str()); |
| } |
| } |
| } |
| |
| std::string DBGBuildSourcePath; |
| std::string DBGSourcePath; |
| |
| // If DBGVersion 1 or DBGVersion missing, ignore DBGSourcePathRemapping. |
| // If DBGVersion 2, strip last two components of path remappings from |
| // entries to fix an issue with a specific set of |
| // DBGSourcePathRemapping entries that lldb worked |
| // with. |
| // If DBGVersion 3, trust & use the source path remappings as-is. |
| // |
| cf_dict = (CFDictionaryRef)CFDictionaryGetValue( |
| (CFDictionaryRef)uuid_dict, CFSTR("DBGSourcePathRemapping")); |
| if (cf_dict && CFGetTypeID(cf_dict) == CFDictionaryGetTypeID()) { |
| // If we see DBGVersion with a value of 2 or higher, this is a new style |
| // DBGSourcePathRemapping dictionary |
| bool new_style_source_remapping_dictionary = false; |
| bool do_truncate_remapping_names = false; |
| std::string original_DBGSourcePath_value = DBGSourcePath; |
| cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, |
| CFSTR("DBGVersion")); |
| if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { |
| std::string version; |
| CFCString::FileSystemRepresentation(cf_str, version); |
| if (!version.empty() && isdigit(version[0])) { |
| int version_number = atoi(version.c_str()); |
| if (version_number > 1) { |
| new_style_source_remapping_dictionary = true; |
| } |
| if (version_number == 2) { |
| do_truncate_remapping_names = true; |
| } |
| } |
| } |
| |
| CFIndex kv_pair_count = CFDictionaryGetCount((CFDictionaryRef)uuid_dict); |
| if (kv_pair_count > 0) { |
| CFStringRef *keys = |
| (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef)); |
| CFStringRef *values = |
| (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef)); |
| if (keys != nullptr && values != nullptr) { |
| CFDictionaryGetKeysAndValues((CFDictionaryRef)uuid_dict, |
| (const void **)keys, |
| (const void **)values); |
| } |
| for (CFIndex i = 0; i < kv_pair_count; i++) { |
| DBGBuildSourcePath.clear(); |
| DBGSourcePath.clear(); |
| if (keys[i] && CFGetTypeID(keys[i]) == CFStringGetTypeID()) { |
| CFCString::FileSystemRepresentation(keys[i], DBGBuildSourcePath); |
| } |
| if (values[i] && CFGetTypeID(values[i]) == CFStringGetTypeID()) { |
| CFCString::FileSystemRepresentation(values[i], DBGSourcePath); |
| } |
| if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty()) { |
| // In the "old style" DBGSourcePathRemapping dictionary, the |
| // DBGSourcePath values (the "values" half of key-value path pairs) |
| // were wrong. Ignore them and use the universal DBGSourcePath |
| // string from earlier. |
| if (new_style_source_remapping_dictionary && |
| !original_DBGSourcePath_value.empty()) { |
| DBGSourcePath = original_DBGSourcePath_value; |
| } |
| if (DBGSourcePath[0] == '~') { |
| FileSpec resolved_source_path(DBGSourcePath.c_str()); |
| FileSystem::Instance().Resolve(resolved_source_path); |
| DBGSourcePath = resolved_source_path.GetPath(); |
| } |
| // With version 2 of DBGSourcePathRemapping, we can chop off the |
| // last two filename parts from the source remapping and get a more |
| // general source remapping that still works. Add this as another |
| // option in addition to the full source path remap. |
| module_spec.GetSourceMappingList().Append(DBGBuildSourcePath, |
| DBGSourcePath, true); |
| if (do_truncate_remapping_names) { |
| FileSpec build_path(DBGBuildSourcePath.c_str()); |
| FileSpec source_path(DBGSourcePath.c_str()); |
| build_path.RemoveLastPathComponent(); |
| build_path.RemoveLastPathComponent(); |
| source_path.RemoveLastPathComponent(); |
| source_path.RemoveLastPathComponent(); |
| module_spec.GetSourceMappingList().Append( |
| build_path.GetPath(), source_path.GetPath(), true); |
| } |
| } |
| } |
| if (keys) |
| free(keys); |
| if (values) |
| free(values); |
| } |
| } |
| |
| // If we have a DBGBuildSourcePath + DBGSourcePath pair, append them to the |
| // source remappings list. |
| |
| cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, |
| CFSTR("DBGBuildSourcePath")); |
| if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { |
| CFCString::FileSystemRepresentation(cf_str, DBGBuildSourcePath); |
| } |
| |
| cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict, |
| CFSTR("DBGSourcePath")); |
| if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) { |
| CFCString::FileSystemRepresentation(cf_str, DBGSourcePath); |
| } |
| |
| if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty()) { |
| if (DBGSourcePath[0] == '~') { |
| FileSpec resolved_source_path(DBGSourcePath.c_str()); |
| FileSystem::Instance().Resolve(resolved_source_path); |
| DBGSourcePath = resolved_source_path.GetPath(); |
| } |
| module_spec.GetSourceMappingList().Append(DBGBuildSourcePath, |
| DBGSourcePath, true); |
| } |
| } |
| return success; |
| } |
| |
| bool Symbols::DownloadObjectAndSymbolFile(ModuleSpec &module_spec, |
| bool force_lookup) { |
| bool success = false; |
| const UUID *uuid_ptr = module_spec.GetUUIDPtr(); |
| const FileSpec *file_spec_ptr = module_spec.GetFileSpecPtr(); |
| |
| if (repro::Loader *l = repro::Reproducer::Instance().GetLoader()) { |
| static repro::SymbolFileLoader symbol_file_loader(l); |
| std::pair<FileSpec, FileSpec> paths = symbol_file_loader.GetPaths(uuid_ptr); |
| if (paths.first) |
| module_spec.GetFileSpec() = paths.first; |
| if (paths.second) |
| module_spec.GetSymbolFileSpec() = paths.second; |
| return true; |
| } |
| |
| // Lambda to capture the state of module_spec before returning from this |
| // function. |
| auto RecordResult = [&]() { |
| if (repro::Generator *g = repro::Reproducer::Instance().GetGenerator()) { |
| g->GetOrCreate<repro::SymbolFileProvider>().AddSymbolFile( |
| uuid_ptr, module_spec.GetFileSpec(), module_spec.GetSymbolFileSpec()); |
| } |
| }; |
| |
| // It's expensive to check for the DBGShellCommands defaults setting, only do |
| // it once per lldb run and cache the result. |
| static bool g_have_checked_for_dbgshell_command = false; |
| static const char *g_dbgshell_command = NULL; |
| if (!g_have_checked_for_dbgshell_command) { |
| g_have_checked_for_dbgshell_command = true; |
| CFTypeRef defaults_setting = CFPreferencesCopyAppValue( |
| CFSTR("DBGShellCommands"), CFSTR("com.apple.DebugSymbols")); |
| if (defaults_setting && |
| CFGetTypeID(defaults_setting) == CFStringGetTypeID()) { |
| char cstr_buf[PATH_MAX]; |
| if (CFStringGetCString((CFStringRef)defaults_setting, cstr_buf, |
| sizeof(cstr_buf), kCFStringEncodingUTF8)) { |
| g_dbgshell_command = |
| strdup(cstr_buf); // this malloc'ed memory will never be freed |
| } |
| } |
| if (defaults_setting) { |
| CFRelease(defaults_setting); |
| } |
| } |
| |
| // When g_dbgshell_command is NULL, the user has not enabled the use of an |
| // external program to find the symbols, don't run it for them. |
| if (!force_lookup && g_dbgshell_command == NULL) { |
| RecordResult(); |
| return false; |
| } |
| |
| if (uuid_ptr || |
| (file_spec_ptr && FileSystem::Instance().Exists(*file_spec_ptr))) { |
| static bool g_located_dsym_for_uuid_exe = false; |
| static bool g_dsym_for_uuid_exe_exists = false; |
| static char g_dsym_for_uuid_exe_path[PATH_MAX]; |
| if (!g_located_dsym_for_uuid_exe) { |
| g_located_dsym_for_uuid_exe = true; |
| const char *dsym_for_uuid_exe_path_cstr = |
| getenv("LLDB_APPLE_DSYMFORUUID_EXECUTABLE"); |
| FileSpec dsym_for_uuid_exe_spec; |
| if (dsym_for_uuid_exe_path_cstr) { |
| dsym_for_uuid_exe_spec.SetFile(dsym_for_uuid_exe_path_cstr, |
| FileSpec::Style::native); |
| FileSystem::Instance().Resolve(dsym_for_uuid_exe_spec); |
| g_dsym_for_uuid_exe_exists = |
| FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); |
| } |
| |
| if (!g_dsym_for_uuid_exe_exists) { |
| dsym_for_uuid_exe_spec.SetFile("/usr/local/bin/dsymForUUID", |
| FileSpec::Style::native); |
| g_dsym_for_uuid_exe_exists = |
| FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); |
| if (!g_dsym_for_uuid_exe_exists) { |
| long bufsize; |
| if ((bufsize = sysconf(_SC_GETPW_R_SIZE_MAX)) != -1) { |
| char buffer[bufsize]; |
| struct passwd pwd; |
| struct passwd *tilde_rc = NULL; |
| // we are a library so we need to use the reentrant version of |
| // getpwnam() |
| if (getpwnam_r("rc", &pwd, buffer, bufsize, &tilde_rc) == 0 && |
| tilde_rc && tilde_rc->pw_dir) { |
| std::string dsymforuuid_path(tilde_rc->pw_dir); |
| dsymforuuid_path += "/bin/dsymForUUID"; |
| dsym_for_uuid_exe_spec.SetFile(dsymforuuid_path.c_str(), |
| FileSpec::Style::native); |
| g_dsym_for_uuid_exe_exists = |
| FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); |
| } |
| } |
| } |
| } |
| if (!g_dsym_for_uuid_exe_exists && g_dbgshell_command != NULL) { |
| dsym_for_uuid_exe_spec.SetFile(g_dbgshell_command, |
| FileSpec::Style::native); |
| FileSystem::Instance().Resolve(dsym_for_uuid_exe_spec); |
| g_dsym_for_uuid_exe_exists = |
| FileSystem::Instance().Exists(dsym_for_uuid_exe_spec); |
| } |
| |
| if (g_dsym_for_uuid_exe_exists) |
| dsym_for_uuid_exe_spec.GetPath(g_dsym_for_uuid_exe_path, |
| sizeof(g_dsym_for_uuid_exe_path)); |
| } |
| if (g_dsym_for_uuid_exe_exists) { |
| std::string uuid_str; |
| char file_path[PATH_MAX]; |
| file_path[0] = '\0'; |
| |
| if (uuid_ptr) |
| uuid_str = uuid_ptr->GetAsString(); |
| |
| if (file_spec_ptr) |
| file_spec_ptr->GetPath(file_path, sizeof(file_path)); |
| |
| StreamString command; |
| if (!uuid_str.empty()) |
| command.Printf("%s --ignoreNegativeCache --copyExecutable %s", |
| g_dsym_for_uuid_exe_path, uuid_str.c_str()); |
| else if (file_path[0] != '\0') |
| command.Printf("%s --ignoreNegativeCache --copyExecutable %s", |
| g_dsym_for_uuid_exe_path, file_path); |
| |
| if (!command.GetString().empty()) { |
| Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); |
| int exit_status = -1; |
| int signo = -1; |
| std::string command_output; |
| if (log) { |
| if (!uuid_str.empty()) |
| LLDB_LOGF(log, "Calling %s with UUID %s to find dSYM", |
| g_dsym_for_uuid_exe_path, uuid_str.c_str()); |
| else if (file_path[0] != '\0') |
| LLDB_LOGF(log, "Calling %s with file %s to find dSYM", |
| g_dsym_for_uuid_exe_path, file_path); |
| } |
| Status error = Host::RunShellCommand( |
| command.GetData(), |
| FileSpec(), // current working directory |
| &exit_status, // Exit status |
| &signo, // Signal int * |
| &command_output, // Command output |
| std::chrono::seconds( |
| 640), // Large timeout to allow for long dsym download times |
| false); // Don't run in a shell (we don't need shell expansion) |
| if (error.Success() && exit_status == 0 && !command_output.empty()) { |
| CFCData data(CFDataCreateWithBytesNoCopy( |
| NULL, (const UInt8 *)command_output.data(), command_output.size(), |
| kCFAllocatorNull)); |
| |
| CFCReleaser<CFDictionaryRef> plist( |
| (CFDictionaryRef)::CFPropertyListCreateFromXMLData( |
| NULL, data.get(), kCFPropertyListImmutable, NULL)); |
| |
| if (plist.get() && |
| CFGetTypeID(plist.get()) == CFDictionaryGetTypeID()) { |
| if (!uuid_str.empty()) { |
| CFCString uuid_cfstr(uuid_str.c_str()); |
| CFDictionaryRef uuid_dict = (CFDictionaryRef)CFDictionaryGetValue( |
| plist.get(), uuid_cfstr.get()); |
| success = |
| GetModuleSpecInfoFromUUIDDictionary(uuid_dict, module_spec); |
| } else { |
| const CFIndex num_values = ::CFDictionaryGetCount(plist.get()); |
| if (num_values > 0) { |
| std::vector<CFStringRef> keys(num_values, NULL); |
| std::vector<CFDictionaryRef> values(num_values, NULL); |
| ::CFDictionaryGetKeysAndValues(plist.get(), NULL, |
| (const void **)&values[0]); |
| if (num_values == 1) { |
| success = GetModuleSpecInfoFromUUIDDictionary(values[0], |
| module_spec); |
| RecordResult(); |
| return success; |
| } else { |
| for (CFIndex i = 0; i < num_values; ++i) { |
| ModuleSpec curr_module_spec; |
| if (GetModuleSpecInfoFromUUIDDictionary(values[i], |
| curr_module_spec)) { |
| if (module_spec.GetArchitecture().IsCompatibleMatch( |
| curr_module_spec.GetArchitecture())) { |
| module_spec = curr_module_spec; |
| RecordResult(); |
| return true; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } else { |
| if (log) { |
| if (!uuid_str.empty()) |
| LLDB_LOGF(log, "Called %s on %s, no matches", |
| g_dsym_for_uuid_exe_path, uuid_str.c_str()); |
| else if (file_path[0] != '\0') |
| LLDB_LOGF(log, "Called %s on %s, no matches", |
| g_dsym_for_uuid_exe_path, file_path); |
| } |
| } |
| } |
| } |
| } |
| RecordResult(); |
| return success; |
| } |
