//===-- PlatformDarwin.cpp --------------------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "PlatformDarwin.h" // C Includes // C++ Includes // Other libraries and framework includes #include "clang/Basic/VersionTuple.h" // Project includes #include "lldb/Breakpoint/BreakpointLocation.h" #include "lldb/Breakpoint/BreakpointSite.h" #include "lldb/Core/Debugger.h" #include "lldb/Core/Error.h" #include "lldb/Core/Log.h" #include "lldb/Core/Module.h" #include "lldb/Core/ModuleSpec.h" #include "lldb/Core/Timer.h" #include "lldb/Host/Host.h" #include "lldb/Host/HostInfo.h" #include "lldb/Host/FileSystem.h" #include "lldb/Host/Symbols.h" #include "lldb/Interpreter/CommandInterpreter.h" #include "lldb/Symbol/ObjectFile.h" #include "lldb/Symbol/SymbolFile.h" #include "lldb/Symbol/SymbolVendor.h" #include "lldb/Target/Target.h" #include "llvm/ADT/STLExtras.h" using namespace lldb; using namespace lldb_private; //------------------------------------------------------------------ /// Default Constructor //------------------------------------------------------------------ PlatformDarwin::PlatformDarwin (bool is_host) : PlatformPOSIX(is_host), // This is the local host platform m_developer_directory () { } //------------------------------------------------------------------ /// Destructor. /// /// The destructor is virtual since this class is designed to be /// inherited from by the plug-in instance. //------------------------------------------------------------------ PlatformDarwin::~PlatformDarwin() { } FileSpecList PlatformDarwin::LocateExecutableScriptingResources (Target *target, Module &module, Stream* feedback_stream) { FileSpecList file_list; if (target && target->GetDebugger().GetScriptLanguage() == eScriptLanguagePython) { // NB some extensions might be meaningful and should not be stripped - "this.binary.file" // should not lose ".file" but GetFileNameStrippingExtension() will do precisely that. // Ideally, we should have a per-platform list of extensions (".exe", ".app", ".dSYM", ".framework") // which should be stripped while leaving "this.binary.file" as-is. ScriptInterpreter *script_interpreter = target->GetDebugger().GetCommandInterpreter().GetScriptInterpreter(); FileSpec module_spec = module.GetFileSpec(); if (module_spec) { SymbolVendor *symbols = module.GetSymbolVendor (); if (symbols) { SymbolFile *symfile = symbols->GetSymbolFile(); if (symfile) { ObjectFile *objfile = symfile->GetObjectFile(); if (objfile) { FileSpec symfile_spec (objfile->GetFileSpec()); if (symfile_spec && symfile_spec.Exists()) { while (module_spec.GetFilename()) { std::string module_basename (module_spec.GetFilename().GetCString()); std::string original_module_basename (module_basename); bool was_keyword = false; // FIXME: for Python, we cannot allow certain characters in module // filenames we import. Theoretically, different scripting languages may // have different sets of forbidden tokens in filenames, and that should // be dealt with by each ScriptInterpreter. For now, we just replace dots // with underscores, but if we ever support anything other than Python // we will need to rework this std::replace(module_basename.begin(), module_basename.end(), '.', '_'); std::replace(module_basename.begin(), module_basename.end(), ' ', '_'); std::replace(module_basename.begin(), module_basename.end(), '-', '_'); if (script_interpreter && script_interpreter->IsReservedWord(module_basename.c_str())) { module_basename.insert(module_basename.begin(), '_'); was_keyword = true; } StreamString path_string; StreamString original_path_string; // for OSX we are going to be in .dSYM/Contents/Resources/DWARF/ // let us go to .dSYM/Contents/Resources/Python/.py and see if the file exists path_string.Printf("%s/../Python/%s.py",symfile_spec.GetDirectory().GetCString(), module_basename.c_str()); original_path_string.Printf("%s/../Python/%s.py",symfile_spec.GetDirectory().GetCString(), original_module_basename.c_str()); FileSpec script_fspec(path_string.GetData(), true); FileSpec orig_script_fspec(original_path_string.GetData(), true); // if we did some replacements of reserved characters, and a file with the untampered name // exists, then warn the user that the file as-is shall not be loaded if (feedback_stream) { if (module_basename != original_module_basename && orig_script_fspec.Exists()) { const char* reason_for_complaint = was_keyword ? "conflicts with a keyword" : "contains reserved characters"; if (script_fspec.Exists()) feedback_stream->Printf("warning: the symbol file '%s' contains a debug script. However, its name" " '%s' %s and as such cannot be loaded. LLDB will" " load '%s' instead. Consider removing the file with the malformed name to" " eliminate this warning.\n", symfile_spec.GetPath().c_str(), original_path_string.GetData(), reason_for_complaint, path_string.GetData()); else feedback_stream->Printf("warning: the symbol file '%s' contains a debug script. However, its name" " %s and as such cannot be loaded. If you intend" " to have this script loaded, please rename '%s' to '%s' and retry.\n", symfile_spec.GetPath().c_str(), reason_for_complaint, original_path_string.GetData(), path_string.GetData()); } } if (script_fspec.Exists()) { file_list.Append (script_fspec); break; } // If we didn't find the python file, then keep // stripping the extensions and try again ConstString filename_no_extension (module_spec.GetFileNameStrippingExtension()); if (module_spec.GetFilename() == filename_no_extension) break; module_spec.GetFilename() = filename_no_extension; } } } } } } } return file_list; } Error PlatformDarwin::ResolveExecutable (const ModuleSpec &module_spec, lldb::ModuleSP &exe_module_sp, const FileSpecList *module_search_paths_ptr) { Error error; // Nothing special to do here, just use the actual file and architecture char exe_path[PATH_MAX]; ModuleSpec resolved_module_spec(module_spec); if (IsHost()) { // If we have "ls" as the exe_file, resolve the executable loation based on // the current path variables if (!resolved_module_spec.GetFileSpec().Exists()) { module_spec.GetFileSpec().GetPath (exe_path, sizeof(exe_path)); resolved_module_spec.GetFileSpec().SetFile(exe_path, true); } if (!resolved_module_spec.GetFileSpec().Exists()) resolved_module_spec.GetFileSpec().ResolveExecutableLocation (); // Resolve any executable within a bundle on MacOSX Host::ResolveExecutableInBundle (resolved_module_spec.GetFileSpec()); if (resolved_module_spec.GetFileSpec().Exists()) error.Clear(); else { const uint32_t permissions = resolved_module_spec.GetFileSpec().GetPermissions(); if (permissions && (permissions & eFilePermissionsEveryoneR) == 0) error.SetErrorStringWithFormat ("executable '%s' is not readable", resolved_module_spec.GetFileSpec().GetPath().c_str()); else error.SetErrorStringWithFormat ("unable to find executable for '%s'", resolved_module_spec.GetFileSpec().GetPath().c_str()); } } else { if (m_remote_platform_sp) { error = GetCachedExecutable (resolved_module_spec, exe_module_sp, module_search_paths_ptr, *m_remote_platform_sp); } else { // We may connect to a process and use the provided executable (Don't use local $PATH). // Resolve any executable within a bundle on MacOSX Host::ResolveExecutableInBundle (resolved_module_spec.GetFileSpec()); if (resolved_module_spec.GetFileSpec().Exists()) error.Clear(); else error.SetErrorStringWithFormat("the platform is not currently connected, and '%s' doesn't exist in the system root.", resolved_module_spec.GetFileSpec().GetFilename().AsCString("")); } } if (error.Success()) { if (resolved_module_spec.GetArchitecture().IsValid()) { error = ModuleList::GetSharedModule (resolved_module_spec, exe_module_sp, module_search_paths_ptr, NULL, NULL); if (error.Fail() || exe_module_sp.get() == NULL || exe_module_sp->GetObjectFile() == NULL) { exe_module_sp.reset(); error.SetErrorStringWithFormat ("'%s' doesn't contain the architecture %s", resolved_module_spec.GetFileSpec().GetPath().c_str(), resolved_module_spec.GetArchitecture().GetArchitectureName()); } } else { // No valid architecture was specified, ask the platform for // the architectures that we should be using (in the correct order) // and see if we can find a match that way StreamString arch_names; for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, resolved_module_spec.GetArchitecture()); ++idx) { error = GetSharedModule (resolved_module_spec, NULL, exe_module_sp, module_search_paths_ptr, NULL, NULL); // Did we find an executable using one of the if (error.Success()) { if (exe_module_sp && exe_module_sp->GetObjectFile()) break; else error.SetErrorToGenericError(); } if (idx > 0) arch_names.PutCString (", "); arch_names.PutCString (resolved_module_spec.GetArchitecture().GetArchitectureName()); } if (error.Fail() || !exe_module_sp) { if (resolved_module_spec.GetFileSpec().Readable()) { error.SetErrorStringWithFormat ("'%s' doesn't contain any '%s' platform architectures: %s", resolved_module_spec.GetFileSpec().GetPath().c_str(), GetPluginName().GetCString(), arch_names.GetString().c_str()); } else { error.SetErrorStringWithFormat("'%s' is not readable", resolved_module_spec.GetFileSpec().GetPath().c_str()); } } } } return error; } Error PlatformDarwin::ResolveSymbolFile (Target &target, const ModuleSpec &sym_spec, FileSpec &sym_file) { Error error; sym_file = sym_spec.GetSymbolFileSpec(); if (sym_file.Exists()) { if (sym_file.GetFileType() == FileSpec::eFileTypeDirectory) { sym_file = Symbols::FindSymbolFileInBundle (sym_file, sym_spec.GetUUIDPtr(), sym_spec.GetArchitecturePtr()); } } else { if (sym_spec.GetUUID().IsValid()) { } } return error; } static lldb_private::Error MakeCacheFolderForFile (const FileSpec& module_cache_spec) { FileSpec module_cache_folder = module_cache_spec.CopyByRemovingLastPathComponent(); return FileSystem::MakeDirectory(module_cache_folder, eFilePermissionsDirectoryDefault); } static lldb_private::Error BringInRemoteFile (Platform* platform, const lldb_private::ModuleSpec &module_spec, const FileSpec& module_cache_spec) { MakeCacheFolderForFile(module_cache_spec); Error err = platform->GetFile(module_spec.GetFileSpec(), module_cache_spec); return err; } lldb_private::Error PlatformDarwin::GetSharedModuleWithLocalCache (const lldb_private::ModuleSpec &module_spec, lldb::ModuleSP &module_sp, const lldb_private::FileSpecList *module_search_paths_ptr, lldb::ModuleSP *old_module_sp_ptr, bool *did_create_ptr) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); if (log) log->Printf("[%s] Trying to find module %s/%s - platform path %s/%s symbol path %s/%s", (IsHost() ? "host" : "remote"), module_spec.GetFileSpec().GetDirectory().AsCString(), module_spec.GetFileSpec().GetFilename().AsCString(), module_spec.GetPlatformFileSpec().GetDirectory().AsCString(), module_spec.GetPlatformFileSpec().GetFilename().AsCString(), module_spec.GetSymbolFileSpec().GetDirectory().AsCString(), module_spec.GetSymbolFileSpec().GetFilename().AsCString()); Error err; err = ModuleList::GetSharedModule(module_spec, module_sp, module_search_paths_ptr, old_module_sp_ptr, did_create_ptr); if (module_sp) return err; if (!IsHost()) { std::string cache_path(GetLocalCacheDirectory()); // Only search for a locally cached file if we have a valid cache path if (!cache_path.empty()) { std::string module_path (module_spec.GetFileSpec().GetPath()); cache_path.append(module_path); FileSpec module_cache_spec(cache_path.c_str(),false); // if rsync is supported, always bring in the file - rsync will be very efficient // when files are the same on the local and remote end of the connection if (this->GetSupportsRSync()) { err = BringInRemoteFile (this, module_spec, module_cache_spec); if (err.Fail()) return err; if (module_cache_spec.Exists()) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); if (log) log->Printf("[%s] module %s/%s was rsynced and is now there", (IsHost() ? "host" : "remote"), module_spec.GetFileSpec().GetDirectory().AsCString(), module_spec.GetFileSpec().GetFilename().AsCString()); ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture()); module_sp.reset(new Module(local_spec)); module_sp->SetPlatformFileSpec(module_spec.GetFileSpec()); return Error(); } } // try to find the module in the cache if (module_cache_spec.Exists()) { // get the local and remote MD5 and compare if (m_remote_platform_sp) { // when going over the *slow* GDB remote transfer mechanism we first check // the hashes of the files - and only do the actual transfer if they differ uint64_t high_local,high_remote,low_local,low_remote; FileSystem::CalculateMD5(module_cache_spec, low_local, high_local); m_remote_platform_sp->CalculateMD5(module_spec.GetFileSpec(), low_remote, high_remote); if (low_local != low_remote || high_local != high_remote) { // bring in the remote file Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); if (log) log->Printf("[%s] module %s/%s needs to be replaced from remote copy", (IsHost() ? "host" : "remote"), module_spec.GetFileSpec().GetDirectory().AsCString(), module_spec.GetFileSpec().GetFilename().AsCString()); Error err = BringInRemoteFile (this, module_spec, module_cache_spec); if (err.Fail()) return err; } } ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture()); module_sp.reset(new Module(local_spec)); module_sp->SetPlatformFileSpec(module_spec.GetFileSpec()); Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); if (log) log->Printf("[%s] module %s/%s was found in the cache", (IsHost() ? "host" : "remote"), module_spec.GetFileSpec().GetDirectory().AsCString(), module_spec.GetFileSpec().GetFilename().AsCString()); return Error(); } // bring in the remote module file if (log) log->Printf("[%s] module %s/%s needs to come in remotely", (IsHost() ? "host" : "remote"), module_spec.GetFileSpec().GetDirectory().AsCString(), module_spec.GetFileSpec().GetFilename().AsCString()); Error err = BringInRemoteFile (this, module_spec, module_cache_spec); if (err.Fail()) return err; if (module_cache_spec.Exists()) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); if (log) log->Printf("[%s] module %s/%s is now cached and fine", (IsHost() ? "host" : "remote"), module_spec.GetFileSpec().GetDirectory().AsCString(), module_spec.GetFileSpec().GetFilename().AsCString()); ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture()); module_sp.reset(new Module(local_spec)); module_sp->SetPlatformFileSpec(module_spec.GetFileSpec()); return Error(); } else return Error("unable to obtain valid module file"); } else return Error("no cache path"); } else return Error ("unable to resolve module"); } Error PlatformDarwin::GetSharedModule (const ModuleSpec &module_spec, Process* process, ModuleSP &module_sp, const FileSpecList *module_search_paths_ptr, ModuleSP *old_module_sp_ptr, bool *did_create_ptr) { Error error; module_sp.reset(); if (IsRemote()) { // If we have a remote platform always, let it try and locate // the shared module first. if (m_remote_platform_sp) { error = m_remote_platform_sp->GetSharedModule (module_spec, process, module_sp, module_search_paths_ptr, old_module_sp_ptr, did_create_ptr); } } if (!module_sp) { // Fall back to the local platform and find the file locally error = Platform::GetSharedModule (module_spec, process, module_sp, module_search_paths_ptr, old_module_sp_ptr, did_create_ptr); const FileSpec &platform_file = module_spec.GetFileSpec(); if (!module_sp && module_search_paths_ptr && platform_file) { // We can try to pull off part of the file path up to the bundle // directory level and try any module search paths... FileSpec bundle_directory; if (Host::GetBundleDirectory (platform_file, bundle_directory)) { if (platform_file == bundle_directory) { ModuleSpec new_module_spec (module_spec); new_module_spec.GetFileSpec() = bundle_directory; if (Host::ResolveExecutableInBundle (new_module_spec.GetFileSpec())) { Error new_error (Platform::GetSharedModule (new_module_spec, process, module_sp, NULL, old_module_sp_ptr, did_create_ptr)); if (module_sp) return new_error; } } else { char platform_path[PATH_MAX]; char bundle_dir[PATH_MAX]; platform_file.GetPath (platform_path, sizeof(platform_path)); const size_t bundle_directory_len = bundle_directory.GetPath (bundle_dir, sizeof(bundle_dir)); char new_path[PATH_MAX]; size_t num_module_search_paths = module_search_paths_ptr->GetSize(); for (size_t i=0; iGetFileSpecAtIndex(i).GetPath(new_path, sizeof(new_path)); if (search_path_len < sizeof(new_path)) { snprintf (new_path + search_path_len, sizeof(new_path) - search_path_len, "/%s", platform_path + bundle_directory_len); FileSpec new_file_spec (new_path, false); if (new_file_spec.Exists()) { ModuleSpec new_module_spec (module_spec); new_module_spec.GetFileSpec() = new_file_spec; Error new_error (Platform::GetSharedModule (new_module_spec, process, module_sp, NULL, old_module_sp_ptr, did_create_ptr)); if (module_sp) { module_sp->SetPlatformFileSpec(new_file_spec); return new_error; } } } } } } } } if (module_sp) module_sp->SetPlatformFileSpec(module_spec.GetFileSpec()); return error; } size_t PlatformDarwin::GetSoftwareBreakpointTrapOpcode (Target &target, BreakpointSite *bp_site) { const uint8_t *trap_opcode = NULL; uint32_t trap_opcode_size = 0; bool bp_is_thumb = false; llvm::Triple::ArchType machine = target.GetArchitecture().GetMachine(); switch (machine) { case llvm::Triple::x86: case llvm::Triple::x86_64: { static const uint8_t g_i386_breakpoint_opcode[] = { 0xCC }; trap_opcode = g_i386_breakpoint_opcode; trap_opcode_size = sizeof(g_i386_breakpoint_opcode); } break; case llvm::Triple::aarch64: { // TODO: fix this with actual darwin breakpoint opcode for arm64. // right now debugging uses the Z packets with GDB remote so this // is not needed, but the size needs to be correct... static const uint8_t g_arm64_breakpoint_opcode[] = { 0xFE, 0xDE, 0xFF, 0xE7 }; trap_opcode = g_arm64_breakpoint_opcode; trap_opcode_size = sizeof(g_arm64_breakpoint_opcode); } break; case llvm::Triple::thumb: bp_is_thumb = true; // Fall through... case llvm::Triple::arm: { static const uint8_t g_arm_breakpoint_opcode[] = { 0xFE, 0xDE, 0xFF, 0xE7 }; static const uint8_t g_thumb_breakpooint_opcode[] = { 0xFE, 0xDE }; // Auto detect arm/thumb if it wasn't explicitly specified if (!bp_is_thumb) { lldb::BreakpointLocationSP bp_loc_sp (bp_site->GetOwnerAtIndex (0)); if (bp_loc_sp) bp_is_thumb = bp_loc_sp->GetAddress().GetAddressClass () == eAddressClassCodeAlternateISA; } if (bp_is_thumb) { trap_opcode = g_thumb_breakpooint_opcode; trap_opcode_size = sizeof(g_thumb_breakpooint_opcode); break; } trap_opcode = g_arm_breakpoint_opcode; trap_opcode_size = sizeof(g_arm_breakpoint_opcode); } break; case llvm::Triple::ppc: case llvm::Triple::ppc64: { static const uint8_t g_ppc_breakpoint_opcode[] = { 0x7F, 0xC0, 0x00, 0x08 }; trap_opcode = g_ppc_breakpoint_opcode; trap_opcode_size = sizeof(g_ppc_breakpoint_opcode); } break; default: assert(!"Unhandled architecture in PlatformDarwin::GetSoftwareBreakpointTrapOpcode()"); break; } if (trap_opcode && trap_opcode_size) { if (bp_site->SetTrapOpcode(trap_opcode, trap_opcode_size)) return trap_opcode_size; } return 0; } bool PlatformDarwin::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info) { bool sucess = false; if (IsHost()) { sucess = Platform::GetProcessInfo (pid, process_info); } else { if (m_remote_platform_sp) sucess = m_remote_platform_sp->GetProcessInfo (pid, process_info); } return sucess; } uint32_t PlatformDarwin::FindProcesses (const ProcessInstanceInfoMatch &match_info, ProcessInstanceInfoList &process_infos) { uint32_t match_count = 0; if (IsHost()) { // Let the base class figure out the host details match_count = Platform::FindProcesses (match_info, process_infos); } else { // If we are remote, we can only return results if we are connected if (m_remote_platform_sp) match_count = m_remote_platform_sp->FindProcesses (match_info, process_infos); } return match_count; } bool PlatformDarwin::ModuleIsExcludedForUnconstrainedSearches (lldb_private::Target &target, const lldb::ModuleSP &module_sp) { if (!module_sp) return false; ObjectFile *obj_file = module_sp->GetObjectFile(); if (!obj_file) return false; ObjectFile::Type obj_type = obj_file->GetType(); if (obj_type == ObjectFile::eTypeDynamicLinker) return true; else return false; } bool PlatformDarwin::x86GetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch) { ArchSpec host_arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault); if (host_arch.GetCore() == ArchSpec::eCore_x86_64_x86_64h) { switch (idx) { case 0: arch = host_arch; return true; case 1: arch.SetTriple("x86_64-apple-macosx"); return true; case 2: arch = HostInfo::GetArchitecture(HostInfo::eArchKind32); return true; default: return false; } } else { if (idx == 0) { arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault); return arch.IsValid(); } else if (idx == 1) { ArchSpec platform_arch(HostInfo::GetArchitecture(HostInfo::eArchKindDefault)); ArchSpec platform_arch64(HostInfo::GetArchitecture(HostInfo::eArchKind64)); if (platform_arch.IsExactMatch(platform_arch64)) { // This macosx platform supports both 32 and 64 bit. Since we already // returned the 64 bit arch for idx == 0, return the 32 bit arch // for idx == 1 arch = HostInfo::GetArchitecture(HostInfo::eArchKind32); return arch.IsValid(); } } } return false; } // The architecture selection rules for arm processors // These cpu subtypes have distinct names (e.g. armv7f) but armv7 binaries run fine on an armv7f processor. bool PlatformDarwin::ARMGetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch) { ArchSpec system_arch (GetSystemArchitecture()); const ArchSpec::Core system_core = system_arch.GetCore(); switch (system_core) { default: switch (idx) { case 0: arch.SetTriple ("arm64-apple-ios"); return true; case 1: arch.SetTriple ("armv7-apple-ios"); return true; case 2: arch.SetTriple ("armv7f-apple-ios"); return true; case 3: arch.SetTriple ("armv7k-apple-ios"); return true; case 4: arch.SetTriple ("armv7s-apple-ios"); return true; case 5: arch.SetTriple ("armv7m-apple-ios"); return true; case 6: arch.SetTriple ("armv7em-apple-ios"); return true; case 7: arch.SetTriple ("armv6m-apple-ios"); return true; case 8: arch.SetTriple ("armv6-apple-ios"); return true; case 9: arch.SetTriple ("armv5-apple-ios"); return true; case 10: arch.SetTriple ("armv4-apple-ios"); return true; case 11: arch.SetTriple ("arm-apple-ios"); return true; case 12: arch.SetTriple ("thumbv7-apple-ios"); return true; case 13: arch.SetTriple ("thumbv7f-apple-ios"); return true; case 14: arch.SetTriple ("thumbv7k-apple-ios"); return true; case 15: arch.SetTriple ("thumbv7s-apple-ios"); return true; case 16: arch.SetTriple ("thumbv7m-apple-ios"); return true; case 17: arch.SetTriple ("thumbv7em-apple-ios"); return true; case 18: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 19: arch.SetTriple ("thumbv6-apple-ios"); return true; case 20: arch.SetTriple ("thumbv5-apple-ios"); return true; case 21: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 22: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_arm64: switch (idx) { case 0: arch.SetTriple ("arm64-apple-ios"); return true; case 1: arch.SetTriple ("armv7s-apple-ios"); return true; case 2: arch.SetTriple ("armv7f-apple-ios"); return true; case 3: arch.SetTriple ("armv7m-apple-ios"); return true; case 4: arch.SetTriple ("armv7em-apple-ios"); return true; case 5: arch.SetTriple ("armv7-apple-ios"); return true; case 6: arch.SetTriple ("armv6m-apple-ios"); return true; case 7: arch.SetTriple ("armv6-apple-ios"); return true; case 8: arch.SetTriple ("armv5-apple-ios"); return true; case 9: arch.SetTriple ("armv4-apple-ios"); return true; case 10: arch.SetTriple ("arm-apple-ios"); return true; case 11: arch.SetTriple ("thumbv7-apple-ios"); return true; case 12: arch.SetTriple ("thumbv7f-apple-ios"); return true; case 13: arch.SetTriple ("thumbv7k-apple-ios"); return true; case 14: arch.SetTriple ("thumbv7s-apple-ios"); return true; case 15: arch.SetTriple ("thumbv7m-apple-ios"); return true; case 16: arch.SetTriple ("thumbv7em-apple-ios"); return true; case 17: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 18: arch.SetTriple ("thumbv6-apple-ios"); return true; case 19: arch.SetTriple ("thumbv5-apple-ios"); return true; case 20: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 21: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv7f: switch (idx) { case 0: arch.SetTriple ("armv7f-apple-ios"); return true; case 1: arch.SetTriple ("armv7-apple-ios"); return true; case 2: arch.SetTriple ("armv6m-apple-ios"); return true; case 3: arch.SetTriple ("armv6-apple-ios"); return true; case 4: arch.SetTriple ("armv5-apple-ios"); return true; case 5: arch.SetTriple ("armv4-apple-ios"); return true; case 6: arch.SetTriple ("arm-apple-ios"); return true; case 7: arch.SetTriple ("thumbv7f-apple-ios"); return true; case 8: arch.SetTriple ("thumbv7-apple-ios"); return true; case 9: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 10: arch.SetTriple ("thumbv6-apple-ios"); return true; case 11: arch.SetTriple ("thumbv5-apple-ios"); return true; case 12: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 13: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv7k: switch (idx) { case 0: arch.SetTriple ("armv7k-apple-ios"); return true; case 1: arch.SetTriple ("armv7-apple-ios"); return true; case 2: arch.SetTriple ("armv6m-apple-ios"); return true; case 3: arch.SetTriple ("armv6-apple-ios"); return true; case 4: arch.SetTriple ("armv5-apple-ios"); return true; case 5: arch.SetTriple ("armv4-apple-ios"); return true; case 6: arch.SetTriple ("arm-apple-ios"); return true; case 7: arch.SetTriple ("thumbv7k-apple-ios"); return true; case 8: arch.SetTriple ("thumbv7-apple-ios"); return true; case 9: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 10: arch.SetTriple ("thumbv6-apple-ios"); return true; case 11: arch.SetTriple ("thumbv5-apple-ios"); return true; case 12: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 13: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv7s: switch (idx) { case 0: arch.SetTriple ("armv7s-apple-ios"); return true; case 1: arch.SetTriple ("armv7-apple-ios"); return true; case 2: arch.SetTriple ("armv6m-apple-ios"); return true; case 3: arch.SetTriple ("armv6-apple-ios"); return true; case 4: arch.SetTriple ("armv5-apple-ios"); return true; case 5: arch.SetTriple ("armv4-apple-ios"); return true; case 6: arch.SetTriple ("arm-apple-ios"); return true; case 7: arch.SetTriple ("thumbv7s-apple-ios"); return true; case 8: arch.SetTriple ("thumbv7-apple-ios"); return true; case 9: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 10: arch.SetTriple ("thumbv6-apple-ios"); return true; case 11: arch.SetTriple ("thumbv5-apple-ios"); return true; case 12: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 13: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv7m: switch (idx) { case 0: arch.SetTriple ("armv7m-apple-ios"); return true; case 1: arch.SetTriple ("armv7-apple-ios"); return true; case 2: arch.SetTriple ("armv6m-apple-ios"); return true; case 3: arch.SetTriple ("armv6-apple-ios"); return true; case 4: arch.SetTriple ("armv5-apple-ios"); return true; case 5: arch.SetTriple ("armv4-apple-ios"); return true; case 6: arch.SetTriple ("arm-apple-ios"); return true; case 7: arch.SetTriple ("thumbv7m-apple-ios"); return true; case 8: arch.SetTriple ("thumbv7-apple-ios"); return true; case 9: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 10: arch.SetTriple ("thumbv6-apple-ios"); return true; case 11: arch.SetTriple ("thumbv5-apple-ios"); return true; case 12: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 13: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv7em: switch (idx) { case 0: arch.SetTriple ("armv7em-apple-ios"); return true; case 1: arch.SetTriple ("armv7-apple-ios"); return true; case 2: arch.SetTriple ("armv6m-apple-ios"); return true; case 3: arch.SetTriple ("armv6-apple-ios"); return true; case 4: arch.SetTriple ("armv5-apple-ios"); return true; case 5: arch.SetTriple ("armv4-apple-ios"); return true; case 6: arch.SetTriple ("arm-apple-ios"); return true; case 7: arch.SetTriple ("thumbv7em-apple-ios"); return true; case 8: arch.SetTriple ("thumbv7-apple-ios"); return true; case 9: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 10: arch.SetTriple ("thumbv6-apple-ios"); return true; case 11: arch.SetTriple ("thumbv5-apple-ios"); return true; case 12: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 13: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv7: switch (idx) { case 0: arch.SetTriple ("armv7-apple-ios"); return true; case 1: arch.SetTriple ("armv6m-apple-ios"); return true; case 2: arch.SetTriple ("armv6-apple-ios"); return true; case 3: arch.SetTriple ("armv5-apple-ios"); return true; case 4: arch.SetTriple ("armv4-apple-ios"); return true; case 5: arch.SetTriple ("arm-apple-ios"); return true; case 6: arch.SetTriple ("thumbv7-apple-ios"); return true; case 7: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 8: arch.SetTriple ("thumbv6-apple-ios"); return true; case 9: arch.SetTriple ("thumbv5-apple-ios"); return true; case 10: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 11: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv6m: switch (idx) { case 0: arch.SetTriple ("armv6m-apple-ios"); return true; case 1: arch.SetTriple ("armv6-apple-ios"); return true; case 2: arch.SetTriple ("armv5-apple-ios"); return true; case 3: arch.SetTriple ("armv4-apple-ios"); return true; case 4: arch.SetTriple ("arm-apple-ios"); return true; case 5: arch.SetTriple ("thumbv6m-apple-ios"); return true; case 6: arch.SetTriple ("thumbv6-apple-ios"); return true; case 7: arch.SetTriple ("thumbv5-apple-ios"); return true; case 8: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 9: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv6: switch (idx) { case 0: arch.SetTriple ("armv6-apple-ios"); return true; case 1: arch.SetTriple ("armv5-apple-ios"); return true; case 2: arch.SetTriple ("armv4-apple-ios"); return true; case 3: arch.SetTriple ("arm-apple-ios"); return true; case 4: arch.SetTriple ("thumbv6-apple-ios"); return true; case 5: arch.SetTriple ("thumbv5-apple-ios"); return true; case 6: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 7: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv5: switch (idx) { case 0: arch.SetTriple ("armv5-apple-ios"); return true; case 1: arch.SetTriple ("armv4-apple-ios"); return true; case 2: arch.SetTriple ("arm-apple-ios"); return true; case 3: arch.SetTriple ("thumbv5-apple-ios"); return true; case 4: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 5: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; case ArchSpec::eCore_arm_armv4: switch (idx) { case 0: arch.SetTriple ("armv4-apple-ios"); return true; case 1: arch.SetTriple ("arm-apple-ios"); return true; case 2: arch.SetTriple ("thumbv4t-apple-ios"); return true; case 3: arch.SetTriple ("thumb-apple-ios"); return true; default: break; } break; } arch.Clear(); return false; } const char * PlatformDarwin::GetDeveloperDirectory() { Mutex::Locker locker (m_mutex); if (m_developer_directory.empty()) { bool developer_dir_path_valid = false; char developer_dir_path[PATH_MAX]; FileSpec temp_file_spec; if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, temp_file_spec)) { if (temp_file_spec.GetPath (developer_dir_path, sizeof(developer_dir_path))) { char *shared_frameworks = strstr (developer_dir_path, "/SharedFrameworks/LLDB.framework"); if (shared_frameworks) { ::snprintf (shared_frameworks, sizeof(developer_dir_path) - (shared_frameworks - developer_dir_path), "/Developer"); developer_dir_path_valid = true; } else { char *lib_priv_frameworks = strstr (developer_dir_path, "/Library/PrivateFrameworks/LLDB.framework"); if (lib_priv_frameworks) { *lib_priv_frameworks = '\0'; developer_dir_path_valid = true; } } } } if (!developer_dir_path_valid) { std::string xcode_dir_path; const char *xcode_select_prefix_dir = getenv ("XCODE_SELECT_PREFIX_DIR"); if (xcode_select_prefix_dir) xcode_dir_path.append (xcode_select_prefix_dir); xcode_dir_path.append ("/usr/share/xcode-select/xcode_dir_path"); temp_file_spec.SetFile(xcode_dir_path.c_str(), false); size_t bytes_read = temp_file_spec.ReadFileContents(0, developer_dir_path, sizeof(developer_dir_path), NULL); if (bytes_read > 0) { developer_dir_path[bytes_read] = '\0'; while (developer_dir_path[bytes_read-1] == '\r' || developer_dir_path[bytes_read-1] == '\n') developer_dir_path[--bytes_read] = '\0'; developer_dir_path_valid = true; } } if (!developer_dir_path_valid) { FileSpec xcode_select_cmd ("/usr/bin/xcode-select", false); if (xcode_select_cmd.Exists()) { int exit_status = -1; int signo = -1; std::string command_output; Error error = Host::RunShellCommand ("/usr/bin/xcode-select --print-path", NULL, // current working directory &exit_status, &signo, &command_output, 2, // short timeout false); // don't run in a shell if (error.Success() && exit_status == 0 && !command_output.empty()) { const char *cmd_output_ptr = command_output.c_str(); developer_dir_path[sizeof (developer_dir_path) - 1] = '\0'; size_t i; for (i = 0; i < sizeof (developer_dir_path) - 1; i++) { if (cmd_output_ptr[i] == '\r' || cmd_output_ptr[i] == '\n' || cmd_output_ptr[i] == '\0') break; developer_dir_path[i] = cmd_output_ptr[i]; } developer_dir_path[i] = '\0'; FileSpec devel_dir (developer_dir_path, false); if (devel_dir.Exists() && devel_dir.IsDirectory()) { developer_dir_path_valid = true; } } } } if (developer_dir_path_valid) { temp_file_spec.SetFile (developer_dir_path, false); if (temp_file_spec.Exists()) { m_developer_directory.assign (developer_dir_path); return m_developer_directory.c_str(); } } // Assign a single NULL character so we know we tried to find the device // support directory and we don't keep trying to find it over and over. m_developer_directory.assign (1, '\0'); } // We should have put a single NULL character into m_developer_directory // or it should have a valid path if the code gets here assert (m_developer_directory.empty() == false); if (m_developer_directory[0]) return m_developer_directory.c_str(); return NULL; } BreakpointSP PlatformDarwin::SetThreadCreationBreakpoint (Target &target) { BreakpointSP bp_sp; static const char *g_bp_names[] = { "start_wqthread", "_pthread_wqthread", "_pthread_start", }; static const char *g_bp_modules[] = { "libsystem_c.dylib", "libSystem.B.dylib" }; FileSpecList bp_modules; for (size_t i = 0; i < llvm::array_lengthof(g_bp_modules); i++) { const char *bp_module = g_bp_modules[i]; bp_modules.Append(FileSpec(bp_module, false)); } bool internal = true; bool hardware = false; LazyBool skip_prologue = eLazyBoolNo; bp_sp = target.CreateBreakpoint (&bp_modules, NULL, g_bp_names, llvm::array_lengthof(g_bp_names), eFunctionNameTypeFull, skip_prologue, internal, hardware); bp_sp->SetBreakpointKind("thread-creation"); return bp_sp; } int32_t PlatformDarwin::GetResumeCountForLaunchInfo (ProcessLaunchInfo &launch_info) { const FileSpec &shell = launch_info.GetShell(); if (!shell) return 1; std::string shell_string = shell.GetPath(); const char *shell_name = strrchr (shell_string.c_str(), '/'); if (shell_name == NULL) shell_name = shell_string.c_str(); else shell_name++; if (strcmp (shell_name, "sh") == 0) { // /bin/sh re-exec's itself as /bin/bash requiring another resume. // But it only does this if the COMMAND_MODE environment variable // is set to "legacy". const char **envp = launch_info.GetEnvironmentEntries().GetConstArgumentVector(); if (envp != NULL) { for (int i = 0; envp[i] != NULL; i++) { if (strcmp (envp[i], "COMMAND_MODE=legacy" ) == 0) return 2; } } return 1; } else if (strcmp (shell_name, "csh") == 0 || strcmp (shell_name, "tcsh") == 0 || strcmp (shell_name, "zsh") == 0) { // csh and tcsh always seem to re-exec themselves. return 2; } else return 1; } void PlatformDarwin::CalculateTrapHandlerSymbolNames () { m_trap_handlers.push_back (ConstString ("_sigtramp")); } static const char *const sdk_strings[] = { "MacOSX", "iPhoneSimulator", "iPhoneOS", }; static FileSpec GetXcodeContentsPath () { const char substr[] = ".app/Contents/"; // First, try based on the current shlib's location { FileSpec fspec; if (HostInfo::GetLLDBPath (lldb::ePathTypeLLDBShlibDir, fspec)) { std::string path_to_shlib = fspec.GetPath(); size_t pos = path_to_shlib.rfind(substr); if (pos != std::string::npos) { path_to_shlib.erase(pos + strlen(substr)); return FileSpec(path_to_shlib.c_str(), false); } } } // Fall back to using xcrun { int status = 0; int signo = 0; std::string output; const char *command = "xcrun -sdk macosx --show-sdk-path"; lldb_private::Error error = Host::RunShellCommand (command, // shell command to run NULL, // current working directory &status, // Put the exit status of the process in here &signo, // Put the signal that caused the process to exit in here &output, // Get the output from the command and place it in this string 3); // Timeout in seconds to wait for shell program to finish if (status == 0 && !output.empty()) { size_t first_non_newline = output.find_last_not_of("\r\n"); if (first_non_newline != std::string::npos) { output.erase(first_non_newline+1); } size_t pos = output.rfind(substr); if (pos != std::string::npos) { output.erase(pos + strlen(substr)); return FileSpec(output.c_str(), false); } } } return FileSpec(); } bool PlatformDarwin::SDKSupportsModules (SDKType sdk_type, uint32_t major, uint32_t minor, uint32_t micro) { switch (sdk_type) { case SDKType::MacOSX: if (major > 10 || (major == 10 && minor >= 10)) return true; break; case SDKType::iPhoneOS: case SDKType::iPhoneSimulator: if (major >= 8) return true; break; } return false; } bool PlatformDarwin::SDKSupportsModules (SDKType desired_type, const FileSpec &sdk_path) { ConstString last_path_component = sdk_path.GetLastPathComponent(); if (last_path_component) { const llvm::StringRef sdk_name = last_path_component.GetStringRef(); llvm::StringRef version_part; if (sdk_name.startswith(sdk_strings[(int)desired_type])) { version_part = sdk_name.drop_front(strlen(sdk_strings[(int)desired_type])); } else { return false; } const size_t major_dot_offset = version_part.find('.'); if (major_dot_offset == llvm::StringRef::npos) return false; const llvm::StringRef major_version = version_part.slice(0, major_dot_offset); const llvm::StringRef minor_part = version_part.drop_front(major_dot_offset + 1); const size_t minor_dot_offset = minor_part.find('.'); if (minor_dot_offset == llvm::StringRef::npos) return false; const llvm::StringRef minor_version = minor_part.slice(0, minor_dot_offset); unsigned int major = 0; unsigned int minor = 0; unsigned int micro = 0; if (major_version.getAsInteger(10, major)) return false; if (minor_version.getAsInteger(10, minor)) return false; return SDKSupportsModules(desired_type, major, minor, micro); } return false; } FileSpec::EnumerateDirectoryResult PlatformDarwin::DirectoryEnumerator(void *baton, FileSpec::FileType file_type, const FileSpec &spec) { SDKEnumeratorInfo *enumerator_info = static_cast(baton); if (SDKSupportsModules(enumerator_info->sdk_type, spec)) { enumerator_info->found_path = spec; return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext; } return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext; } FileSpec PlatformDarwin::FindSDKInXcodeForModules (SDKType sdk_type, const FileSpec &sdks_spec) { // Look inside Xcode for the required installed iOS SDK version if (!sdks_spec.IsDirectory()) return FileSpec(); const bool find_directories = true; const bool find_files = false; const bool find_other = true; // include symlinks SDKEnumeratorInfo enumerator_info; enumerator_info.sdk_type = sdk_type; FileSpec::EnumerateDirectory(sdks_spec.GetPath().c_str(), find_directories, find_files, find_other, DirectoryEnumerator, &enumerator_info); if (enumerator_info.found_path.IsDirectory()) return enumerator_info.found_path; else return FileSpec(); } FileSpec PlatformDarwin::GetSDKDirectoryForModules (SDKType sdk_type) { switch (sdk_type) { case SDKType::MacOSX: case SDKType::iPhoneSimulator: case SDKType::iPhoneOS: break; } FileSpec sdks_spec = GetXcodeContentsPath(); sdks_spec.AppendPathComponent("Developer"); sdks_spec.AppendPathComponent("Platforms"); switch (sdk_type) { case SDKType::MacOSX: sdks_spec.AppendPathComponent("MacOSX.platform"); break; case SDKType::iPhoneSimulator: sdks_spec.AppendPathComponent("iPhoneSimulator.platform"); break; case SDKType::iPhoneOS: sdks_spec.AppendPathComponent("iPhoneOS.platform"); break; } sdks_spec.AppendPathComponent("Developer"); sdks_spec.AppendPathComponent("SDKs"); if (sdk_type == SDKType::MacOSX) { uint32_t major = 0; uint32_t minor = 0; uint32_t micro = 0; if (HostInfo::GetOSVersion(major, minor, micro)) { if (SDKSupportsModules(SDKType::MacOSX, major, minor, micro)) { // We slightly prefer the exact SDK for this machine. See if it is there. FileSpec native_sdk_spec = sdks_spec; StreamString native_sdk_name; native_sdk_name.Printf("MacOSX%u.%u.sdk", major, minor); native_sdk_spec.AppendPathComponent(native_sdk_name.GetString().c_str()); if (native_sdk_spec.Exists()) { return native_sdk_spec; } } } } return FindSDKInXcodeForModules(sdk_type, sdks_spec); } void PlatformDarwin::AddClangModuleCompilationOptionsForSDKType (Target *target, std::vector &options, SDKType sdk_type) { const std::vector apple_arguments = { "-x", "objective-c++", "-fobjc-arc", "-fblocks", "-D_ISO646_H", "-D__ISO646_H" }; options.insert(options.end(), apple_arguments.begin(), apple_arguments.end()); StreamString minimum_version_option; uint32_t versions[3] = { 0, 0, 0 }; bool use_current_os_version = false; switch (sdk_type) { case SDKType::iPhoneOS: #if defined (__arm__) || defined (__arm64__) || defined (__aarch64__) use_current_os_version = true; #else use_current_os_version = false; #endif break; case SDKType::iPhoneSimulator: use_current_os_version = false; break; case SDKType::MacOSX: #if defined (__i386__) || defined (__x86_64__) use_current_os_version = true; #else use_current_os_version = false; #endif break; } bool versions_valid = false; if (use_current_os_version) versions_valid = GetOSVersion(versions[0], versions[1], versions[2]); else if (target) { // Our OS doesn't match our executable so we need to get the min OS version from the object file ModuleSP exe_module_sp = target->GetExecutableModule(); if (exe_module_sp) { ObjectFile *object_file = exe_module_sp->GetObjectFile(); if (object_file) versions_valid = object_file->GetMinimumOSVersion(versions, 3) > 0; } } // Only add the version-min options if we got a version from somewhere if (versions_valid && versions[0] != UINT32_MAX) { // Make any invalid versions be zero if needed if (versions[1] == UINT32_MAX) versions[1] = 0; if (versions[2] == UINT32_MAX) versions[2] = 0; switch (sdk_type) { case SDKType::iPhoneOS: minimum_version_option.PutCString("-mios-version-min="); minimum_version_option.PutCString(clang::VersionTuple(versions[0], versions[1], versions[2]).getAsString().c_str()); break; case SDKType::iPhoneSimulator: minimum_version_option.PutCString("-mios-simulator-version-min="); minimum_version_option.PutCString(clang::VersionTuple(versions[0], versions[1], versions[2]).getAsString().c_str()); break; case SDKType::MacOSX: minimum_version_option.PutCString("-mmacosx-version-min="); minimum_version_option.PutCString(clang::VersionTuple(versions[0], versions[1], versions[2]).getAsString().c_str()); } options.push_back(minimum_version_option.GetString()); } FileSpec sysroot_spec; // Scope for mutex locker below { Mutex::Locker locker (m_mutex); sysroot_spec = GetSDKDirectoryForModules(sdk_type); } if (sysroot_spec.IsDirectory()) { options.push_back("-isysroot"); options.push_back(sysroot_spec.GetPath()); } }