| //===-- 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 <string.h> |
| |
| // C++ Includes |
| #include <algorithm> |
| #include <mutex> |
| |
| // Project includes |
| #include "lldb/Breakpoint/BreakpointLocation.h" |
| #include "lldb/Breakpoint/BreakpointSite.h" |
| #include "lldb/Core/Debugger.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Host/HostInfo.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/Platform.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Utility/DataBufferLLVM.h" |
| #include "lldb/Utility/Log.h" |
| #include "lldb/Utility/Status.h" |
| #include "lldb/Utility/Timer.h" |
| #include "llvm/ADT/STLExtras.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/Threading.h" |
| #include "llvm/Support/VersionTuple.h" |
| |
| #if defined(__APPLE__) |
| #include <TargetConditionals.h> // 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/<basename> let us go to |
| // .dSYM/Contents/Resources/Python/<basename>.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; |
| } |
| |
| Status PlatformDarwin::ResolveSymbolFile(Target &target, |
| const ModuleSpec &sym_spec, |
| FileSpec &sym_file) { |
| Status error; |
| sym_file = sym_spec.GetSymbolFileSpec(); |
| |
| llvm::sys::fs::file_status st; |
| if (status(sym_file.GetPath(), st, false)) { |
| error.SetErrorString("Could not stat file!"); |
| return error; |
| } |
| |
| if (exists(st)) { |
| if (is_directory(st)) { |
| sym_file = Symbols::FindSymbolFileInBundle( |
| sym_file, sym_spec.GetUUIDPtr(), sym_spec.GetArchitecturePtr()); |
| } |
| } else { |
| if (sym_spec.GetUUID().IsValid()) { |
| } |
| } |
| return error; |
| } |
| |
| static lldb_private::Status |
| MakeCacheFolderForFile(const FileSpec &module_cache_spec) { |
| FileSpec module_cache_folder = |
| module_cache_spec.CopyByRemovingLastPathComponent(); |
| return llvm::sys::fs::create_directory(module_cache_folder.GetPath()); |
| } |
| |
| static lldb_private::Status |
| BringInRemoteFile(Platform *platform, |
| const lldb_private::ModuleSpec &module_spec, |
| const FileSpec &module_cache_spec) { |
| MakeCacheFolderForFile(module_cache_spec); |
| Status err = platform->GetFile(module_spec.GetFileSpec(), module_cache_spec); |
| return err; |
| } |
| |
| lldb_private::Status 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()); |
| |
| Status 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 Status(); |
| } |
| } |
| |
| // 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; |
| auto MD5 = llvm::sys::fs::md5_contents(module_cache_spec.GetPath()); |
| if (!MD5) |
| return Status(MD5.getError()); |
| std::tie(high_local, low_local) = MD5->words(); |
| |
| 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()); |
| Status 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 Status(); |
| } |
| |
| // 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()); |
| Status 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 Status(); |
| } else |
| return Status("unable to obtain valid module file"); |
| } else |
| return Status("no cache path"); |
| } else |
| return Status("unable to resolve module"); |
| } |
| |
| Status 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) { |
| Status 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())) { |
| Status 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; |
| Status 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::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" |
| #elif defined(TARGET_OS_BRIDGE) && TARGET_OS_BRIDGE == 1 |
| #define OSNAME "bridgeos" |
| #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; |
| } |
| |
| // Return a directory path like /Applications/Xcode.app/Contents/Developer |
| const char *PlatformDarwin::GetDeveloperDirectory() { |
| std::lock_guard<std::mutex> guard(m_mutex); |
| if (m_developer_directory.empty()) { |
| bool developer_dir_path_valid = false; |
| char developer_dir_path[PATH_MAX]; |
| FileSpec temp_file_spec; |
| |
| // Get the lldb framework's file path, and if it exists, truncate some |
| // components to only the developer directory path. |
| if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, temp_file_spec)) { |
| if (temp_file_spec.GetPath(developer_dir_path, |
| sizeof(developer_dir_path))) { |
| // e.g. |
| // /Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework |
| char *shared_frameworks = |
| strstr(developer_dir_path, "/SharedFrameworks/LLDB.framework"); |
| if (shared_frameworks) { |
| shared_frameworks[0] = '\0'; // truncate developer_dir_path at this point |
| strncat (developer_dir_path, "/Developer", sizeof (developer_dir_path) - 1); // add /Developer on |
| developer_dir_path_valid = true; |
| } else { |
| // e.g. |
| // /Applications/Xcode.app/Contents/Developer/Toolchains/iOS11.2.xctoolchain/System/Library/PrivateFrameworks/LLDB.framework |
| char *developer_toolchains = |
| strstr(developer_dir_path, "/Contents/Developer/Toolchains/"); |
| if (developer_toolchains) { |
| developer_toolchains += sizeof ("/Contents/Developer") - 1; |
| developer_toolchains[0] = '\0'; // truncate developer_dir_path at this point |
| 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, FileSpec::Style::native); |
| auto dir_buffer = |
| DataBufferLLVM::CreateFromPath(temp_file_spec.GetPath()); |
| if (dir_buffer && dir_buffer->GetByteSize() > 0) { |
| llvm::StringRef path_ref(dir_buffer->GetChars()); |
| // Trim tailing newlines and make sure there is enough room for a null |
| // terminator. |
| path_ref = |
| path_ref.rtrim("\r\n").take_front(sizeof(developer_dir_path) - 1); |
| ::memcpy(developer_dir_path, path_ref.data(), path_ref.size()); |
| developer_dir_path[path_ref.size()] = '\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; |
| Status error = |
| Host::RunShellCommand("/usr/bin/xcode-select --print-path", |
| NULL, // current working directory |
| &exit_status, &signo, &command_output, |
| std::chrono::seconds(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 (llvm::sys::fs::is_directory(devel_dir.GetPath())) { |
| developer_dir_path_valid = true; |
| } |
| } |
| } |
| } |
| |
| if (developer_dir_path_valid) { |
| temp_file_spec.SetFile(developer_dir_path, false, |
| FileSpec::Style::native); |
| 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". |
| if (launch_info.GetEnvironment().lookup("COMMAND_MODE") == "legacy") |
| 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 llvm::once_flag g_once_flag; |
| llvm::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::Status 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 |
| std::chrono::seconds(3)); |
| 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, |
| llvm::VersionTuple version) { |
| switch (sdk_type) { |
| case SDKType::MacOSX: |
| return version >= llvm::VersionTuple(10, 10); |
| case SDKType::iPhoneOS: |
| case SDKType::iPhoneSimulator: |
| return version >= llvm::VersionTuple(8); |
| } |
| |
| 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; |
| } |
| |
| llvm::VersionTuple version; |
| if (version.tryParse(version_part)) |
| return false; |
| return SDKSupportsModules(desired_type, version); |
| } |
| |
| return false; |
| } |
| |
| FileSpec::EnumerateDirectoryResult PlatformDarwin::DirectoryEnumerator( |
| void *baton, llvm::sys::fs::file_type file_type, const FileSpec &spec) { |
| SDKEnumeratorInfo *enumerator_info = static_cast<SDKEnumeratorInfo *>(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 (!llvm::sys::fs::is_directory(sdks_spec.GetPath())) { |
| 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 (llvm::sys::fs::is_directory(enumerator_info.found_path.GetPath())) |
| 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) { |
| llvm::VersionTuple version = HostInfo::GetOSVersion(); |
| |
| if (!version.empty()) { |
| if (SDKSupportsModules(SDKType::MacOSX, version)) { |
| // 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", version.getMajor(), |
| version.getMinor().getValueOr(0)); |
| 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<llvm::VersionTuple, llvm::StringRef> |
| PlatformDarwin::ParseVersionBuildDir(llvm::StringRef dir) { |
| llvm::StringRef build; |
| llvm::StringRef version_str; |
| llvm::StringRef build_str; |
| std::tie(version_str, build_str) = dir.split(' '); |
| llvm::VersionTuple version; |
| if (!version.tryParse(version_str) || |
| build_str.empty()) { |
| if (build_str.consume_front("(")) { |
| size_t pos = build_str.find(')'); |
| build = build_str.slice(0, pos); |
| } |
| } |
| |
| return std::make_tuple(version, build); |
| } |
| |
| void PlatformDarwin::AddClangModuleCompilationOptionsForSDKType( |
| Target *target, std::vector<std::string> &options, SDKType sdk_type) { |
| const std::vector<std::string> 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; |
| 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; |
| } |
| |
| llvm::VersionTuple version; |
| if (use_current_os_version) |
| version = GetOSVersion(); |
| 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) |
| version = object_file->GetMinimumOSVersion(); |
| } |
| } |
| // Only add the version-min options if we got a version from somewhere |
| if (!version.empty()) { |
| switch (sdk_type) { |
| case SDKType::iPhoneOS: |
| minimum_version_option.PutCString("-mios-version-min="); |
| minimum_version_option.PutCString(version.getAsString()); |
| break; |
| case SDKType::iPhoneSimulator: |
| minimum_version_option.PutCString("-mios-simulator-version-min="); |
| minimum_version_option.PutCString(version.getAsString()); |
| break; |
| case SDKType::MacOSX: |
| minimum_version_option.PutCString("-mmacosx-version-min="); |
| minimum_version_option.PutCString(version.getAsString()); |
| } |
| options.push_back(minimum_version_option.GetString()); |
| } |
| |
| FileSpec sysroot_spec; |
| // Scope for mutex locker below |
| { |
| std::lock_guard<std::mutex> guard(m_mutex); |
| sysroot_spec = GetSDKDirectoryForModules(sdk_type); |
| } |
| |
| if (llvm::sys::fs::is_directory(sysroot_spec.GetPath())) { |
| 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()); |
| } |
| |
| llvm::VersionTuple PlatformDarwin::GetOSVersion(Process *process) { |
| if (process && strstr(GetPluginName().GetCString(), "-simulator")) { |
| lldb_private::ProcessInstanceInfo proc_info; |
| if (Host::GetProcessInfo(process->GetID(), proc_info)) { |
| const Environment &env = proc_info.GetEnvironment(); |
| |
| llvm::VersionTuple result; |
| if (!result.tryParse(env.lookup("SIMULATOR_RUNTIME_VERSION"))) |
| return result; |
| |
| std::string dyld_root_path = env.lookup("DYLD_ROOT_PATH"); |
| 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)) { |
| if (!result.tryParse(product_version)) |
| return result; |
| } |
| } |
| } |
| // 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 llvm::VersionTuple(); |
| } |
| |
| return Platform::GetOSVersion(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<FileSpec> 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 llvm::once_flag g_once_flag; |
| llvm::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::Status |
| 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.GetEnvironment(); |
| if (!env_vars.count(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. |
| env_vars.try_emplace("OS_ACTIVITY_DT_MODE", "enable"); |
| } |
| |
| // Let our parent class do the real launching. |
| return PlatformPOSIX::LaunchProcess(launch_info); |
| } |
| |
| lldb_private::Status |
| PlatformDarwin::FindBundleBinaryInExecSearchPaths (const ModuleSpec &module_spec, Process *process, |
| ModuleSP &module_sp, |
| const FileSpecList *module_search_paths_ptr, |
| ModuleSP *old_module_sp_ptr, bool *did_create_ptr) |
| { |
| const FileSpec &platform_file = module_spec.GetFileSpec(); |
| // See if the file is present in any of the module_search_paths_ptr |
| // directories. |
| if (!module_sp && module_search_paths_ptr && platform_file) { |
| // create a vector of all the file / directory names in platform_file e.g. |
| // this might be |
| // /System/Library/PrivateFrameworks/UIFoundation.framework/UIFoundation |
| // |
| // We'll need to look in the module_search_paths_ptr directories for both |
| // "UIFoundation" and "UIFoundation.framework" -- most likely the latter |
| // will be the one we find there. |
| |
| FileSpec platform_pull_apart(platform_file); |
| std::vector<std::string> path_parts; |
| path_parts.push_back( |
| platform_pull_apart.GetLastPathComponent().AsCString()); |
| while (platform_pull_apart.RemoveLastPathComponent()) { |
| ConstString part = platform_pull_apart.GetLastPathComponent(); |
| path_parts.push_back(part.AsCString()); |
| } |
| const size_t path_parts_size = path_parts.size(); |
| |
| size_t num_module_search_paths = module_search_paths_ptr->GetSize(); |
| for (size_t i = 0; i < num_module_search_paths; ++i) { |
| Log *log_verbose = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); |
| if (log_verbose) |
| log_verbose->Printf ("PlatformRemoteDarwinDevice::GetSharedModule searching for binary in search-path %s", module_search_paths_ptr->GetFileSpecAtIndex(i).GetPath().c_str()); |
| // Create a new FileSpec with this module_search_paths_ptr plus just the |
| // filename ("UIFoundation"), then the parent dir plus filename |
| // ("UIFoundation.framework/UIFoundation") etc - up to four names (to |
| // handle "Foo.framework/Contents/MacOS/Foo") |
| |
| for (size_t j = 0; j < 4 && j < path_parts_size - 1; ++j) { |
| FileSpec path_to_try(module_search_paths_ptr->GetFileSpecAtIndex(i)); |
| |
| // Add the components backwards. For |
| // .../PrivateFrameworks/UIFoundation.framework/UIFoundation path_parts |
| // is |
| // [0] UIFoundation |
| // [1] UIFoundation.framework |
| // [2] PrivateFrameworks |
| // |
| // and if 'j' is 2, we want to append path_parts[1] and then |
| // path_parts[0], aka 'UIFoundation.framework/UIFoundation', to the |
| // module_search_paths_ptr path. |
| |
| for (int k = j; k >= 0; --k) { |
| path_to_try.AppendPathComponent(path_parts[k]); |
| } |
| |
| if (path_to_try.Exists()) { |
| ModuleSpec new_module_spec(module_spec); |
| new_module_spec.GetFileSpec() = path_to_try; |
| Status new_error(Platform::GetSharedModule( |
| new_module_spec, process, module_sp, NULL, old_module_sp_ptr, |
| did_create_ptr)); |
| |
| if (module_sp) { |
| module_sp->SetPlatformFileSpec(path_to_try); |
| return new_error; |
| } |
| } |
| } |
| } |
| } |
| return Status(); |
| } |
