//===-- 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 #include // C++ Includes #include #include // 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/FileSystem.h" #include "lldb/Host/Host.h" #include "lldb/Host/HostInfo.h" #include "lldb/Host/StringConvert.h" #include "lldb/Host/Symbols.h" #include "lldb/Host/XML.h" #include "lldb/Interpreter/CommandInterpreter.h" #include "lldb/Symbol/ObjectFile.h" #include "lldb/Symbol/SymbolFile.h" #include "lldb/Symbol/SymbolVendor.h" #include "lldb/Target/Process.h" #include "lldb/Target/Target.h" #include "llvm/ADT/STLExtras.h" #if defined(__APPLE__) #include // for TARGET_OS_TV, TARGET_OS_WATCH #endif 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.GetString(), true); FileSpec orig_script_fspec(original_path_string.GetString(), 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.GetData()); } 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, 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; i < num_module_search_paths; ++i) { const size_t search_path_len = module_search_paths_ptr->GetFileSpecAtIndex(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 = nullptr; uint32_t trap_opcode_size = 0; bool bp_is_thumb = false; llvm::Triple::ArchType machine = target.GetArchitecture().GetMachine(); switch (machine) { 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; LLVM_FALLTHROUGH; 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: return Platform::GetSoftwareBreakpointTrapOpcode(target, bp_site); } 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 success = false; if (IsHost()) { success = Platform::GetProcessInfo(pid, process_info); } else { if (m_remote_platform_sp) success = m_remote_platform_sp->GetProcessInfo(pid, process_info); } return success; } 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()); // When lldb is running on a watch or tv, set the arch OS name appropriately. #if defined(TARGET_OS_TV) && TARGET_OS_TV == 1 #define OSNAME "tvos" #elif defined(TARGET_OS_WATCH) && TARGET_OS_WATCH == 1 #define OSNAME "watchos" #else #define OSNAME "ios" #endif const ArchSpec::Core system_core = system_arch.GetCore(); switch (system_core) { default: switch (idx) { case 0: arch.SetTriple("arm64-apple-" OSNAME); return true; case 1: arch.SetTriple("armv7-apple-" OSNAME); return true; case 2: arch.SetTriple("armv7f-apple-" OSNAME); return true; case 3: arch.SetTriple("armv7k-apple-" OSNAME); return true; case 4: arch.SetTriple("armv7s-apple-" OSNAME); return true; case 5: arch.SetTriple("armv7m-apple-" OSNAME); return true; case 6: arch.SetTriple("armv7em-apple-" OSNAME); return true; case 7: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 8: arch.SetTriple("armv6-apple-" OSNAME); return true; case 9: arch.SetTriple("armv5-apple-" OSNAME); return true; case 10: arch.SetTriple("armv4-apple-" OSNAME); return true; case 11: arch.SetTriple("arm-apple-" OSNAME); return true; case 12: arch.SetTriple("thumbv7-apple-" OSNAME); return true; case 13: arch.SetTriple("thumbv7f-apple-" OSNAME); return true; case 14: arch.SetTriple("thumbv7k-apple-" OSNAME); return true; case 15: arch.SetTriple("thumbv7s-apple-" OSNAME); return true; case 16: arch.SetTriple("thumbv7m-apple-" OSNAME); return true; case 17: arch.SetTriple("thumbv7em-apple-" OSNAME); return true; case 18: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 19: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 20: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 21: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 22: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_arm64: switch (idx) { case 0: arch.SetTriple("arm64-apple-" OSNAME); return true; case 1: arch.SetTriple("armv7s-apple-" OSNAME); return true; case 2: arch.SetTriple("armv7f-apple-" OSNAME); return true; case 3: arch.SetTriple("armv7m-apple-" OSNAME); return true; case 4: arch.SetTriple("armv7em-apple-" OSNAME); return true; case 5: arch.SetTriple("armv7-apple-" OSNAME); return true; case 6: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 7: arch.SetTriple("armv6-apple-" OSNAME); return true; case 8: arch.SetTriple("armv5-apple-" OSNAME); return true; case 9: arch.SetTriple("armv4-apple-" OSNAME); return true; case 10: arch.SetTriple("arm-apple-" OSNAME); return true; case 11: arch.SetTriple("thumbv7-apple-" OSNAME); return true; case 12: arch.SetTriple("thumbv7f-apple-" OSNAME); return true; case 13: arch.SetTriple("thumbv7k-apple-" OSNAME); return true; case 14: arch.SetTriple("thumbv7s-apple-" OSNAME); return true; case 15: arch.SetTriple("thumbv7m-apple-" OSNAME); return true; case 16: arch.SetTriple("thumbv7em-apple-" OSNAME); return true; case 17: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 18: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 19: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 20: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 21: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv7f: switch (idx) { case 0: arch.SetTriple("armv7f-apple-" OSNAME); return true; case 1: arch.SetTriple("armv7-apple-" OSNAME); return true; case 2: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 3: arch.SetTriple("armv6-apple-" OSNAME); return true; case 4: arch.SetTriple("armv5-apple-" OSNAME); return true; case 5: arch.SetTriple("armv4-apple-" OSNAME); return true; case 6: arch.SetTriple("arm-apple-" OSNAME); return true; case 7: arch.SetTriple("thumbv7f-apple-" OSNAME); return true; case 8: arch.SetTriple("thumbv7-apple-" OSNAME); return true; case 9: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 10: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 11: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 12: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 13: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv7k: switch (idx) { case 0: arch.SetTriple("armv7k-apple-" OSNAME); return true; case 1: arch.SetTriple("armv7-apple-" OSNAME); return true; case 2: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 3: arch.SetTriple("armv6-apple-" OSNAME); return true; case 4: arch.SetTriple("armv5-apple-" OSNAME); return true; case 5: arch.SetTriple("armv4-apple-" OSNAME); return true; case 6: arch.SetTriple("arm-apple-" OSNAME); return true; case 7: arch.SetTriple("thumbv7k-apple-" OSNAME); return true; case 8: arch.SetTriple("thumbv7-apple-" OSNAME); return true; case 9: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 10: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 11: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 12: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 13: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv7s: switch (idx) { case 0: arch.SetTriple("armv7s-apple-" OSNAME); return true; case 1: arch.SetTriple("armv7-apple-" OSNAME); return true; case 2: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 3: arch.SetTriple("armv6-apple-" OSNAME); return true; case 4: arch.SetTriple("armv5-apple-" OSNAME); return true; case 5: arch.SetTriple("armv4-apple-" OSNAME); return true; case 6: arch.SetTriple("arm-apple-" OSNAME); return true; case 7: arch.SetTriple("thumbv7s-apple-" OSNAME); return true; case 8: arch.SetTriple("thumbv7-apple-" OSNAME); return true; case 9: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 10: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 11: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 12: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 13: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv7m: switch (idx) { case 0: arch.SetTriple("armv7m-apple-" OSNAME); return true; case 1: arch.SetTriple("armv7-apple-" OSNAME); return true; case 2: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 3: arch.SetTriple("armv6-apple-" OSNAME); return true; case 4: arch.SetTriple("armv5-apple-" OSNAME); return true; case 5: arch.SetTriple("armv4-apple-" OSNAME); return true; case 6: arch.SetTriple("arm-apple-" OSNAME); return true; case 7: arch.SetTriple("thumbv7m-apple-" OSNAME); return true; case 8: arch.SetTriple("thumbv7-apple-" OSNAME); return true; case 9: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 10: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 11: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 12: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 13: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv7em: switch (idx) { case 0: arch.SetTriple("armv7em-apple-" OSNAME); return true; case 1: arch.SetTriple("armv7-apple-" OSNAME); return true; case 2: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 3: arch.SetTriple("armv6-apple-" OSNAME); return true; case 4: arch.SetTriple("armv5-apple-" OSNAME); return true; case 5: arch.SetTriple("armv4-apple-" OSNAME); return true; case 6: arch.SetTriple("arm-apple-" OSNAME); return true; case 7: arch.SetTriple("thumbv7em-apple-" OSNAME); return true; case 8: arch.SetTriple("thumbv7-apple-" OSNAME); return true; case 9: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 10: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 11: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 12: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 13: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv7: switch (idx) { case 0: arch.SetTriple("armv7-apple-" OSNAME); return true; case 1: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 2: arch.SetTriple("armv6-apple-" OSNAME); return true; case 3: arch.SetTriple("armv5-apple-" OSNAME); return true; case 4: arch.SetTriple("armv4-apple-" OSNAME); return true; case 5: arch.SetTriple("arm-apple-" OSNAME); return true; case 6: arch.SetTriple("thumbv7-apple-" OSNAME); return true; case 7: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 8: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 9: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 10: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 11: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv6m: switch (idx) { case 0: arch.SetTriple("armv6m-apple-" OSNAME); return true; case 1: arch.SetTriple("armv6-apple-" OSNAME); return true; case 2: arch.SetTriple("armv5-apple-" OSNAME); return true; case 3: arch.SetTriple("armv4-apple-" OSNAME); return true; case 4: arch.SetTriple("arm-apple-" OSNAME); return true; case 5: arch.SetTriple("thumbv6m-apple-" OSNAME); return true; case 6: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 7: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 8: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 9: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv6: switch (idx) { case 0: arch.SetTriple("armv6-apple-" OSNAME); return true; case 1: arch.SetTriple("armv5-apple-" OSNAME); return true; case 2: arch.SetTriple("armv4-apple-" OSNAME); return true; case 3: arch.SetTriple("arm-apple-" OSNAME); return true; case 4: arch.SetTriple("thumbv6-apple-" OSNAME); return true; case 5: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 6: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 7: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv5: switch (idx) { case 0: arch.SetTriple("armv5-apple-" OSNAME); return true; case 1: arch.SetTriple("armv4-apple-" OSNAME); return true; case 2: arch.SetTriple("arm-apple-" OSNAME); return true; case 3: arch.SetTriple("thumbv5-apple-" OSNAME); return true; case 4: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 5: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; case ArchSpec::eCore_arm_armv4: switch (idx) { case 0: arch.SetTriple("armv4-apple-" OSNAME); return true; case 1: arch.SetTriple("arm-apple-" OSNAME); return true; case 2: arch.SetTriple("thumbv4t-apple-" OSNAME); return true; case 3: arch.SetTriple("thumb-apple-" OSNAME); return true; default: break; } break; } arch.Clear(); return false; } const char *PlatformDarwin::GetDeveloperDirectory() { std::lock_guard guard(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, 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, eLanguageTypeUnknown, 0, 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 CheckPathForXcode(const FileSpec &fspec) { if (fspec.Exists()) { const char substr[] = ".app/Contents/"; 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)); FileSpec ret(path_to_shlib, false); FileSpec xcode_binary_path = ret; xcode_binary_path.AppendPathComponent("MacOS"); xcode_binary_path.AppendPathComponent("Xcode"); if (xcode_binary_path.Exists()) { return ret; } } } return FileSpec(); } static FileSpec GetXcodeContentsPath() { static FileSpec g_xcode_filespec; static std::once_flag g_once_flag; std::call_once(g_once_flag, []() { FileSpec fspec; // First get the program file spec. If lldb.so or LLDB.framework is running // in a program and that program is Xcode, the path returned with be the // path // to Xcode.app/Contents/MacOS/Xcode, so this will be the correct Xcode to // use. fspec = HostInfo::GetProgramFileSpec(); if (fspec) { // Ignore the current binary if it is python. std::string basename_lower = fspec.GetFilename().GetCString(); std::transform(basename_lower.begin(), basename_lower.end(), basename_lower.begin(), tolower); if (basename_lower != "python") { g_xcode_filespec = CheckPathForXcode(fspec); } } // Next check DEVELOPER_DIR environment variable if (!g_xcode_filespec) { const char *developer_dir_env_var = getenv("DEVELOPER_DIR"); if (developer_dir_env_var && developer_dir_env_var[0]) { g_xcode_filespec = CheckPathForXcode(FileSpec(developer_dir_env_var, true)); } // Fall back to using "xcrun" to find the selected Xcode if (!g_xcode_filespec) { int status = 0; int signo = 0; std::string output; const char *command = "/usr/bin/xcode-select -p"; 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); } output.append("/.."); g_xcode_filespec = CheckPathForXcode(FileSpec(output, false)); } } } }); return g_xcode_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(), 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()); if (native_sdk_spec.Exists()) { return native_sdk_spec; } } } } return FindSDKInXcodeForModules(sdk_type, sdks_spec); } std::tuple PlatformDarwin::ParseVersionBuildDir(llvm::StringRef dir) { uint32_t major, minor, update; llvm::StringRef build; llvm::StringRef version_str; llvm::StringRef build_str; std::tie(version_str, build_str) = dir.split(' '); if (Args::StringToVersion(version_str, major, minor, update) || build_str.empty()) { if (build_str.consume_front("(")) { size_t pos = build_str.find(')'); build = build_str.slice(0, pos); } } return std::make_tuple(major, minor, update, build); } 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()); 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()); break; case SDKType::MacOSX: minimum_version_option.PutCString("-mmacosx-version-min="); minimum_version_option.PutCString( clang::VersionTuple(versions[0], versions[1], versions[2]) .getAsString()); } options.push_back(minimum_version_option.GetString()); } FileSpec sysroot_spec; // Scope for mutex locker below { std::lock_guard guard(m_mutex); sysroot_spec = GetSDKDirectoryForModules(sdk_type); } if (sysroot_spec.IsDirectory()) { options.push_back("-isysroot"); options.push_back(sysroot_spec.GetPath()); } } ConstString PlatformDarwin::GetFullNameForDylib(ConstString basename) { if (basename.IsEmpty()) return basename; StreamString stream; stream.Printf("lib%s.dylib", basename.GetCString()); return ConstString(stream.GetString()); } bool PlatformDarwin::GetOSVersion(uint32_t &major, uint32_t &minor, uint32_t &update, Process *process) { if (process && strstr(GetPluginName().GetCString(), "-simulator")) { lldb_private::ProcessInstanceInfo proc_info; if (Host::GetProcessInfo(process->GetID(), proc_info)) { Args &env = proc_info.GetEnvironmentEntries(); const size_t n = env.GetArgumentCount(); const llvm::StringRef k_runtime_version("SIMULATOR_RUNTIME_VERSION="); const llvm::StringRef k_dyld_root_path("DYLD_ROOT_PATH="); std::string dyld_root_path; for (size_t i = 0; i < n; ++i) { const char *env_cstr = env.GetArgumentAtIndex(i); if (env_cstr) { llvm::StringRef env_str(env_cstr); if (env_str.consume_front(k_runtime_version)) { if (Args::StringToVersion(env_str, major, minor, update)) return true; } else if (env_str.consume_front(k_dyld_root_path)) { dyld_root_path = env_str; } } } if (!dyld_root_path.empty()) { dyld_root_path += "/System/Library/CoreServices/SystemVersion.plist"; ApplePropertyList system_version_plist(dyld_root_path.c_str()); std::string product_version; if (system_version_plist.GetValueAsString("ProductVersion", product_version)) { return Args::StringToVersion(product_version, major, minor, update); } } } // For simulator platforms, do NOT call back through // Platform::GetOSVersion() // as it might call Process::GetHostOSVersion() which we don't want as it // will be // incorrect return false; } return Platform::GetOSVersion(major, minor, update, process); } lldb_private::FileSpec PlatformDarwin::LocateExecutable(const char *basename) { // A collection of SBFileSpec whose SBFileSpec.m_directory members are filled // in with // any executable directories that should be searched. static std::vector g_executable_dirs; // Find the global list of directories that we will search for // executables once so we don't keep doing the work over and over. static std::once_flag g_once_flag; std::call_once(g_once_flag, []() { // When locating executables, trust the DEVELOPER_DIR first if it is set FileSpec xcode_contents_dir = GetXcodeContentsPath(); if (xcode_contents_dir) { FileSpec xcode_lldb_resources = xcode_contents_dir; xcode_lldb_resources.AppendPathComponent("SharedFrameworks"); xcode_lldb_resources.AppendPathComponent("LLDB.framework"); xcode_lldb_resources.AppendPathComponent("Resources"); if (xcode_lldb_resources.Exists()) { FileSpec dir; dir.GetDirectory().SetCString(xcode_lldb_resources.GetPath().c_str()); g_executable_dirs.push_back(dir); } } }); // Now search the global list of executable directories for the executable we // are looking for for (const auto &executable_dir : g_executable_dirs) { FileSpec executable_file; executable_file.GetDirectory() = executable_dir.GetDirectory(); executable_file.GetFilename().SetCString(basename); if (executable_file.Exists()) return executable_file; } return FileSpec(); } lldb_private::Error PlatformDarwin::LaunchProcess(lldb_private::ProcessLaunchInfo &launch_info) { // Starting in Fall 2016 OSes, NSLog messages only get mirrored to stderr // if the OS_ACTIVITY_DT_MODE environment variable is set. (It doesn't // require any specific value; rather, it just needs to exist). // We will set it here as long as the IDE_DISABLED_OS_ACTIVITY_DT_MODE flag // is not set. Xcode makes use of IDE_DISABLED_OS_ACTIVITY_DT_MODE to tell // LLDB *not* to muck with the OS_ACTIVITY_DT_MODE flag when they // specifically want it unset. const char *disable_env_var = "IDE_DISABLED_OS_ACTIVITY_DT_MODE"; auto &env_vars = launch_info.GetEnvironmentEntries(); if (!env_vars.ContainsEnvironmentVariable(llvm::StringRef(disable_env_var))) { // We want to make sure that OS_ACTIVITY_DT_MODE is set so that // we get os_log and NSLog messages mirrored to the target process // stderr. if (!env_vars.ContainsEnvironmentVariable( llvm::StringRef("OS_ACTIVITY_DT_MODE"))) env_vars.AppendArgument(llvm::StringRef("OS_ACTIVITY_DT_MODE=enable")); } // Let our parent class do the real launching. return PlatformPOSIX::LaunchProcess(launch_info); }