| //===-- Platform.cpp --------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/Target/Platform.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Breakpoint/BreakpointIDList.h" |
| #include "lldb/Core/Error.h" |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Host/FileSpec.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Utility/Utils.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| // Use a singleton function for g_local_platform_sp to avoid init |
| // constructors since LLDB is often part of a shared library |
| static PlatformSP& |
| GetDefaultPlatformSP () |
| { |
| static PlatformSP g_default_platform_sp; |
| return g_default_platform_sp; |
| } |
| |
| static Mutex & |
| GetConnectedPlatformListMutex () |
| { |
| static Mutex g_remote_connected_platforms_mutex (Mutex::eMutexTypeRecursive); |
| return g_remote_connected_platforms_mutex; |
| } |
| static std::vector<PlatformSP> & |
| GetConnectedPlatformList () |
| { |
| static std::vector<PlatformSP> g_remote_connected_platforms; |
| return g_remote_connected_platforms; |
| } |
| |
| |
| const char * |
| Platform::GetHostPlatformName () |
| { |
| return "host"; |
| } |
| |
| //------------------------------------------------------------------ |
| /// Get the native host platform plug-in. |
| /// |
| /// There should only be one of these for each host that LLDB runs |
| /// upon that should be statically compiled in and registered using |
| /// preprocessor macros or other similar build mechanisms. |
| /// |
| /// This platform will be used as the default platform when launching |
| /// or attaching to processes unless another platform is specified. |
| //------------------------------------------------------------------ |
| PlatformSP |
| Platform::GetDefaultPlatform () |
| { |
| return GetDefaultPlatformSP (); |
| } |
| |
| void |
| Platform::SetDefaultPlatform (const lldb::PlatformSP &platform_sp) |
| { |
| // The native platform should use its static void Platform::Initialize() |
| // function to register itself as the native platform. |
| GetDefaultPlatformSP () = platform_sp; |
| } |
| |
| Error |
| Platform::GetFileWithUUID (const FileSpec &platform_file, |
| const UUID *uuid_ptr, |
| FileSpec &local_file) |
| { |
| // Default to the local case |
| local_file = platform_file; |
| return Error(); |
| } |
| |
| FileSpecList |
| Platform::LocateExecutableScriptingResources (Target *target, Module &module) |
| { |
| return FileSpecList(); |
| } |
| |
| Platform* |
| Platform::FindPlugin (Process *process, const ConstString &plugin_name) |
| { |
| PlatformCreateInstance create_callback = NULL; |
| if (plugin_name) |
| { |
| create_callback = PluginManager::GetPlatformCreateCallbackForPluginName (plugin_name); |
| if (create_callback) |
| { |
| ArchSpec arch; |
| if (process) |
| { |
| arch = process->GetTarget().GetArchitecture(); |
| } |
| std::unique_ptr<Platform> instance_ap(create_callback(process, &arch)); |
| if (instance_ap.get()) |
| return instance_ap.release(); |
| } |
| } |
| else |
| { |
| for (uint32_t idx = 0; (create_callback = PluginManager::GetPlatformCreateCallbackAtIndex(idx)) != NULL; ++idx) |
| { |
| std::unique_ptr<Platform> instance_ap(create_callback(process, nullptr)); |
| if (instance_ap.get()) |
| return instance_ap.release(); |
| } |
| } |
| return NULL; |
| } |
| |
| Error |
| Platform::GetSharedModule (const ModuleSpec &module_spec, |
| ModuleSP &module_sp, |
| const FileSpecList *module_search_paths_ptr, |
| ModuleSP *old_module_sp_ptr, |
| bool *did_create_ptr) |
| { |
| // Don't do any path remapping for the default implementation |
| // of the platform GetSharedModule function, just call through |
| // to our static ModuleList function. Platform subclasses that |
| // implement remote debugging, might have a developer kits |
| // installed that have cached versions of the files for the |
| // remote target, or might implement a download and cache |
| // locally implementation. |
| const bool always_create = false; |
| return ModuleList::GetSharedModule (module_spec, |
| module_sp, |
| module_search_paths_ptr, |
| old_module_sp_ptr, |
| did_create_ptr, |
| always_create); |
| } |
| |
| PlatformSP |
| Platform::Create (const char *platform_name, Error &error) |
| { |
| PlatformCreateInstance create_callback = NULL; |
| lldb::PlatformSP platform_sp; |
| if (platform_name && platform_name[0]) |
| { |
| ConstString const_platform_name (platform_name); |
| create_callback = PluginManager::GetPlatformCreateCallbackForPluginName (const_platform_name); |
| if (create_callback) |
| platform_sp.reset(create_callback(true, NULL)); |
| else |
| error.SetErrorStringWithFormat ("unable to find a plug-in for the platform named \"%s\"", platform_name); |
| } |
| else |
| error.SetErrorString ("invalid platform name"); |
| return platform_sp; |
| } |
| |
| |
| PlatformSP |
| Platform::Create (const ArchSpec &arch, ArchSpec *platform_arch_ptr, Error &error) |
| { |
| lldb::PlatformSP platform_sp; |
| if (arch.IsValid()) |
| { |
| uint32_t idx; |
| PlatformCreateInstance create_callback; |
| // First try exact arch matches across all platform plug-ins |
| bool exact = true; |
| for (idx = 0; (create_callback = PluginManager::GetPlatformCreateCallbackAtIndex (idx)); ++idx) |
| { |
| if (create_callback) |
| { |
| platform_sp.reset(create_callback(false, &arch)); |
| if (platform_sp && platform_sp->IsCompatibleArchitecture(arch, exact, platform_arch_ptr)) |
| return platform_sp; |
| } |
| } |
| // Next try compatible arch matches across all platform plug-ins |
| exact = false; |
| for (idx = 0; (create_callback = PluginManager::GetPlatformCreateCallbackAtIndex (idx)); ++idx) |
| { |
| if (create_callback) |
| { |
| platform_sp.reset(create_callback(false, &arch)); |
| if (platform_sp && platform_sp->IsCompatibleArchitecture(arch, exact, platform_arch_ptr)) |
| return platform_sp; |
| } |
| } |
| } |
| else |
| error.SetErrorString ("invalid platform name"); |
| if (platform_arch_ptr) |
| platform_arch_ptr->Clear(); |
| platform_sp.reset(); |
| return platform_sp; |
| } |
| |
| uint32_t |
| Platform::GetNumConnectedRemotePlatforms () |
| { |
| Mutex::Locker locker (GetConnectedPlatformListMutex ()); |
| return GetConnectedPlatformList().size(); |
| } |
| |
| PlatformSP |
| Platform::GetConnectedRemotePlatformAtIndex (uint32_t idx) |
| { |
| PlatformSP platform_sp; |
| { |
| Mutex::Locker locker (GetConnectedPlatformListMutex ()); |
| if (idx < GetConnectedPlatformList().size()) |
| platform_sp = GetConnectedPlatformList ()[idx]; |
| } |
| return platform_sp; |
| } |
| |
| //------------------------------------------------------------------ |
| /// Default Constructor |
| //------------------------------------------------------------------ |
| Platform::Platform (bool is_host) : |
| m_is_host (is_host), |
| m_os_version_set_while_connected (false), |
| m_system_arch_set_while_connected (false), |
| m_sdk_sysroot (), |
| m_sdk_build (), |
| m_working_dir (), |
| m_remote_url (), |
| m_name (), |
| m_major_os_version (UINT32_MAX), |
| m_minor_os_version (UINT32_MAX), |
| m_update_os_version (UINT32_MAX), |
| m_system_arch(), |
| m_uid_map_mutex (Mutex::eMutexTypeNormal), |
| m_gid_map_mutex (Mutex::eMutexTypeNormal), |
| m_uid_map(), |
| m_gid_map(), |
| m_max_uid_name_len (0), |
| m_max_gid_name_len (0), |
| m_supports_rsync (false), |
| m_rsync_opts (), |
| m_rsync_prefix (), |
| m_supports_ssh (false), |
| m_ssh_opts (), |
| m_ignores_remote_hostname (false), |
| m_trap_handlers(), |
| m_calculated_trap_handlers (false), |
| m_trap_handler_mutex() |
| { |
| Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
| if (log) |
| log->Printf ("%p Platform::Platform()", static_cast<void*>(this)); |
| } |
| |
| //------------------------------------------------------------------ |
| /// Destructor. |
| /// |
| /// The destructor is virtual since this class is designed to be |
| /// inherited from by the plug-in instance. |
| //------------------------------------------------------------------ |
| Platform::~Platform() |
| { |
| Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
| if (log) |
| log->Printf ("%p Platform::~Platform()", static_cast<void*>(this)); |
| } |
| |
| void |
| Platform::GetStatus (Stream &strm) |
| { |
| uint32_t major = UINT32_MAX; |
| uint32_t minor = UINT32_MAX; |
| uint32_t update = UINT32_MAX; |
| std::string s; |
| strm.Printf (" Platform: %s\n", GetPluginName().GetCString()); |
| |
| ArchSpec arch (GetSystemArchitecture()); |
| if (arch.IsValid()) |
| { |
| if (!arch.GetTriple().str().empty()) |
| strm.Printf(" Triple: %s\n", arch.GetTriple().str().c_str()); |
| } |
| |
| if (GetOSVersion(major, minor, update)) |
| { |
| strm.Printf("OS Version: %u", major); |
| if (minor != UINT32_MAX) |
| strm.Printf(".%u", minor); |
| if (update != UINT32_MAX) |
| strm.Printf(".%u", update); |
| |
| if (GetOSBuildString (s)) |
| strm.Printf(" (%s)", s.c_str()); |
| |
| strm.EOL(); |
| } |
| |
| if (GetOSKernelDescription (s)) |
| strm.Printf(" Kernel: %s\n", s.c_str()); |
| |
| if (IsHost()) |
| { |
| strm.Printf(" Hostname: %s\n", GetHostname()); |
| } |
| else |
| { |
| const bool is_connected = IsConnected(); |
| if (is_connected) |
| strm.Printf(" Hostname: %s\n", GetHostname()); |
| strm.Printf(" Connected: %s\n", is_connected ? "yes" : "no"); |
| } |
| |
| if (GetWorkingDirectory()) |
| { |
| strm.Printf("WorkingDir: %s\n", GetWorkingDirectory().GetCString()); |
| } |
| if (!IsConnected()) |
| return; |
| |
| std::string specific_info(GetPlatformSpecificConnectionInformation()); |
| |
| if (specific_info.empty() == false) |
| strm.Printf("Platform-specific connection: %s\n", specific_info.c_str()); |
| } |
| |
| |
| bool |
| Platform::GetOSVersion (uint32_t &major, |
| uint32_t &minor, |
| uint32_t &update) |
| { |
| bool success = m_major_os_version != UINT32_MAX; |
| if (IsHost()) |
| { |
| if (!success) |
| { |
| // We have a local host platform |
| success = Host::GetOSVersion (m_major_os_version, |
| m_minor_os_version, |
| m_update_os_version); |
| m_os_version_set_while_connected = success; |
| } |
| } |
| else |
| { |
| // We have a remote platform. We can only fetch the remote |
| // OS version if we are connected, and we don't want to do it |
| // more than once. |
| |
| const bool is_connected = IsConnected(); |
| |
| bool fetch = false; |
| if (success) |
| { |
| // We have valid OS version info, check to make sure it wasn't |
| // manually set prior to connecting. If it was manually set prior |
| // to connecting, then lets fetch the actual OS version info |
| // if we are now connected. |
| if (is_connected && !m_os_version_set_while_connected) |
| fetch = true; |
| } |
| else |
| { |
| // We don't have valid OS version info, fetch it if we are connected |
| fetch = is_connected; |
| } |
| |
| if (fetch) |
| { |
| success = GetRemoteOSVersion (); |
| m_os_version_set_while_connected = success; |
| } |
| } |
| |
| if (success) |
| { |
| major = m_major_os_version; |
| minor = m_minor_os_version; |
| update = m_update_os_version; |
| } |
| return success; |
| } |
| |
| bool |
| Platform::GetOSBuildString (std::string &s) |
| { |
| if (IsHost()) |
| return Host::GetOSBuildString (s); |
| else |
| return GetRemoteOSBuildString (s); |
| } |
| |
| bool |
| Platform::GetOSKernelDescription (std::string &s) |
| { |
| if (IsHost()) |
| return Host::GetOSKernelDescription (s); |
| else |
| return GetRemoteOSKernelDescription (s); |
| } |
| |
| ConstString |
| Platform::GetWorkingDirectory () |
| { |
| if (IsHost()) |
| { |
| char cwd[PATH_MAX]; |
| if (getcwd(cwd, sizeof(cwd))) |
| return ConstString(cwd); |
| else |
| return ConstString(); |
| } |
| else |
| { |
| if (!m_working_dir) |
| m_working_dir = GetRemoteWorkingDirectory(); |
| return m_working_dir; |
| } |
| } |
| |
| |
| struct RecurseCopyBaton |
| { |
| const FileSpec& dst; |
| Platform *platform_ptr; |
| Error error; |
| }; |
| |
| |
| static FileSpec::EnumerateDirectoryResult |
| RecurseCopy_Callback (void *baton, |
| FileSpec::FileType file_type, |
| const FileSpec &src) |
| { |
| RecurseCopyBaton* rc_baton = (RecurseCopyBaton*)baton; |
| switch (file_type) |
| { |
| case FileSpec::eFileTypePipe: |
| case FileSpec::eFileTypeSocket: |
| // we have no way to copy pipes and sockets - ignore them and continue |
| return FileSpec::eEnumerateDirectoryResultNext; |
| break; |
| |
| case FileSpec::eFileTypeDirectory: |
| { |
| // make the new directory and get in there |
| FileSpec dst_dir = rc_baton->dst; |
| if (!dst_dir.GetFilename()) |
| dst_dir.GetFilename() = src.GetLastPathComponent(); |
| std::string dst_dir_path (dst_dir.GetPath()); |
| Error error = rc_baton->platform_ptr->MakeDirectory(dst_dir_path.c_str(), lldb::eFilePermissionsDirectoryDefault); |
| if (error.Fail()) |
| { |
| rc_baton->error.SetErrorStringWithFormat("unable to setup directory %s on remote end", dst_dir_path.c_str()); |
| return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out |
| } |
| |
| // now recurse |
| std::string src_dir_path (src.GetPath()); |
| |
| // Make a filespec that only fills in the directory of a FileSpec so |
| // when we enumerate we can quickly fill in the filename for dst copies |
| FileSpec recurse_dst; |
| recurse_dst.GetDirectory().SetCString(dst_dir.GetPath().c_str()); |
| RecurseCopyBaton rc_baton2 = { recurse_dst, rc_baton->platform_ptr, Error() }; |
| FileSpec::EnumerateDirectory(src_dir_path.c_str(), true, true, true, RecurseCopy_Callback, &rc_baton2); |
| if (rc_baton2.error.Fail()) |
| { |
| rc_baton->error.SetErrorString(rc_baton2.error.AsCString()); |
| return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out |
| } |
| return FileSpec::eEnumerateDirectoryResultNext; |
| } |
| break; |
| |
| case FileSpec::eFileTypeSymbolicLink: |
| { |
| // copy the file and keep going |
| FileSpec dst_file = rc_baton->dst; |
| if (!dst_file.GetFilename()) |
| dst_file.GetFilename() = src.GetFilename(); |
| |
| char buf[PATH_MAX]; |
| |
| rc_baton->error = Host::Readlink (src.GetPath().c_str(), buf, sizeof(buf)); |
| |
| if (rc_baton->error.Fail()) |
| return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out |
| |
| rc_baton->error = rc_baton->platform_ptr->CreateSymlink(dst_file.GetPath().c_str(), buf); |
| |
| if (rc_baton->error.Fail()) |
| return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out |
| |
| return FileSpec::eEnumerateDirectoryResultNext; |
| } |
| break; |
| case FileSpec::eFileTypeRegular: |
| { |
| // copy the file and keep going |
| FileSpec dst_file = rc_baton->dst; |
| if (!dst_file.GetFilename()) |
| dst_file.GetFilename() = src.GetFilename(); |
| Error err = rc_baton->platform_ptr->PutFile(src, dst_file); |
| if (err.Fail()) |
| { |
| rc_baton->error.SetErrorString(err.AsCString()); |
| return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out |
| } |
| return FileSpec::eEnumerateDirectoryResultNext; |
| } |
| break; |
| |
| case FileSpec::eFileTypeInvalid: |
| case FileSpec::eFileTypeOther: |
| case FileSpec::eFileTypeUnknown: |
| default: |
| rc_baton->error.SetErrorStringWithFormat("invalid file detected during copy: %s", src.GetPath().c_str()); |
| return FileSpec::eEnumerateDirectoryResultQuit; // got an error, bail out |
| break; |
| } |
| } |
| |
| Error |
| Platform::Install (const FileSpec& src, const FileSpec& dst) |
| { |
| Error error; |
| |
| Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); |
| if (log) |
| log->Printf ("Platform::Install (src='%s', dst='%s')", src.GetPath().c_str(), dst.GetPath().c_str()); |
| FileSpec fixed_dst(dst); |
| |
| if (!fixed_dst.GetFilename()) |
| fixed_dst.GetFilename() = src.GetFilename(); |
| |
| ConstString working_dir = GetWorkingDirectory(); |
| |
| if (dst) |
| { |
| if (dst.GetDirectory()) |
| { |
| const char first_dst_dir_char = dst.GetDirectory().GetCString()[0]; |
| if (first_dst_dir_char == '/' || first_dst_dir_char == '\\') |
| { |
| fixed_dst.GetDirectory() = dst.GetDirectory(); |
| } |
| // If the fixed destination file doesn't have a directory yet, |
| // then we must have a relative path. We will resolve this relative |
| // path against the platform's working directory |
| if (!fixed_dst.GetDirectory()) |
| { |
| FileSpec relative_spec; |
| std::string path; |
| if (working_dir) |
| { |
| relative_spec.SetFile(working_dir.GetCString(), false); |
| relative_spec.AppendPathComponent(dst.GetPath().c_str()); |
| fixed_dst.GetDirectory() = relative_spec.GetDirectory(); |
| } |
| else |
| { |
| error.SetErrorStringWithFormat("platform working directory must be valid for relative path '%s'", dst.GetPath().c_str()); |
| return error; |
| } |
| } |
| } |
| else |
| { |
| if (working_dir) |
| { |
| fixed_dst.GetDirectory() = working_dir; |
| } |
| else |
| { |
| error.SetErrorStringWithFormat("platform working directory must be valid for relative path '%s'", dst.GetPath().c_str()); |
| return error; |
| } |
| } |
| } |
| else |
| { |
| if (working_dir) |
| { |
| fixed_dst.GetDirectory() = working_dir; |
| } |
| else |
| { |
| error.SetErrorStringWithFormat("platform working directory must be valid when destination directory is empty"); |
| return error; |
| } |
| } |
| |
| if (log) |
| log->Printf ("Platform::Install (src='%s', dst='%s') fixed_dst='%s'", src.GetPath().c_str(), dst.GetPath().c_str(), fixed_dst.GetPath().c_str()); |
| |
| if (GetSupportsRSync()) |
| { |
| error = PutFile(src, dst); |
| } |
| else |
| { |
| switch (src.GetFileType()) |
| { |
| case FileSpec::eFileTypeDirectory: |
| { |
| if (GetFileExists (fixed_dst)) |
| Unlink (fixed_dst.GetPath().c_str()); |
| uint32_t permissions = src.GetPermissions(); |
| if (permissions == 0) |
| permissions = eFilePermissionsDirectoryDefault; |
| std::string dst_dir_path(fixed_dst.GetPath()); |
| error = MakeDirectory(dst_dir_path.c_str(), permissions); |
| if (error.Success()) |
| { |
| // Make a filespec that only fills in the directory of a FileSpec so |
| // when we enumerate we can quickly fill in the filename for dst copies |
| FileSpec recurse_dst; |
| recurse_dst.GetDirectory().SetCString(dst_dir_path.c_str()); |
| std::string src_dir_path (src.GetPath()); |
| RecurseCopyBaton baton = { recurse_dst, this, Error() }; |
| FileSpec::EnumerateDirectory(src_dir_path.c_str(), true, true, true, RecurseCopy_Callback, &baton); |
| return baton.error; |
| } |
| } |
| break; |
| |
| case FileSpec::eFileTypeRegular: |
| if (GetFileExists (fixed_dst)) |
| Unlink (fixed_dst.GetPath().c_str()); |
| error = PutFile(src, fixed_dst); |
| break; |
| |
| case FileSpec::eFileTypeSymbolicLink: |
| { |
| if (GetFileExists (fixed_dst)) |
| Unlink (fixed_dst.GetPath().c_str()); |
| char buf[PATH_MAX]; |
| error = Host::Readlink(src.GetPath().c_str(), buf, sizeof(buf)); |
| if (error.Success()) |
| error = CreateSymlink(dst.GetPath().c_str(), buf); |
| } |
| break; |
| case FileSpec::eFileTypePipe: |
| error.SetErrorString("platform install doesn't handle pipes"); |
| break; |
| case FileSpec::eFileTypeSocket: |
| error.SetErrorString("platform install doesn't handle sockets"); |
| break; |
| case FileSpec::eFileTypeInvalid: |
| case FileSpec::eFileTypeUnknown: |
| case FileSpec::eFileTypeOther: |
| error.SetErrorString("platform install doesn't handle non file or directory items"); |
| break; |
| } |
| } |
| return error; |
| } |
| |
| bool |
| Platform::SetWorkingDirectory (const ConstString &path) |
| { |
| if (IsHost()) |
| { |
| Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); |
| if (log) |
| log->Printf("Platform::SetWorkingDirectory('%s')", path.GetCString()); |
| #ifdef _WIN32 |
| // Not implemented on Windows |
| return false; |
| #else |
| if (path) |
| { |
| if (chdir(path.GetCString()) == 0) |
| return true; |
| } |
| return false; |
| #endif |
| } |
| else |
| { |
| m_working_dir.Clear(); |
| return SetRemoteWorkingDirectory(path); |
| } |
| } |
| |
| Error |
| Platform::MakeDirectory (const char *path, uint32_t permissions) |
| { |
| if (IsHost()) |
| return Host::MakeDirectory (path, permissions); |
| else |
| { |
| Error error; |
| error.SetErrorStringWithFormat("remote platform %s doesn't support %s", GetPluginName().GetCString(), __PRETTY_FUNCTION__); |
| return error; |
| } |
| } |
| |
| Error |
| Platform::GetFilePermissions (const char *path, uint32_t &file_permissions) |
| { |
| if (IsHost()) |
| return Host::GetFilePermissions(path, file_permissions); |
| else |
| { |
| Error error; |
| error.SetErrorStringWithFormat("remote platform %s doesn't support %s", GetPluginName().GetCString(), __PRETTY_FUNCTION__); |
| return error; |
| } |
| } |
| |
| Error |
| Platform::SetFilePermissions (const char *path, uint32_t file_permissions) |
| { |
| if (IsHost()) |
| return Host::SetFilePermissions(path, file_permissions); |
| else |
| { |
| Error error; |
| error.SetErrorStringWithFormat("remote platform %s doesn't support %s", GetPluginName().GetCString(), __PRETTY_FUNCTION__); |
| return error; |
| } |
| } |
| |
| ConstString |
| Platform::GetName () |
| { |
| return GetPluginName(); |
| } |
| |
| const char * |
| Platform::GetHostname () |
| { |
| if (IsHost()) |
| return "127.0.0.1"; |
| |
| if (m_name.empty()) |
| return NULL; |
| return m_name.c_str(); |
| } |
| |
| bool |
| Platform::SetRemoteWorkingDirectory(const ConstString &path) |
| { |
| Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); |
| if (log) |
| log->Printf("Platform::SetRemoteWorkingDirectory('%s')", path.GetCString()); |
| m_working_dir = path; |
| return true; |
| } |
| |
| const char * |
| Platform::GetUserName (uint32_t uid) |
| { |
| const char *user_name = GetCachedUserName(uid); |
| if (user_name) |
| return user_name; |
| if (IsHost()) |
| { |
| std::string name; |
| if (Host::GetUserName(uid, name)) |
| return SetCachedUserName (uid, name.c_str(), name.size()); |
| } |
| return NULL; |
| } |
| |
| const char * |
| Platform::GetGroupName (uint32_t gid) |
| { |
| const char *group_name = GetCachedGroupName(gid); |
| if (group_name) |
| return group_name; |
| if (IsHost()) |
| { |
| std::string name; |
| if (Host::GetGroupName(gid, name)) |
| return SetCachedGroupName (gid, name.c_str(), name.size()); |
| } |
| return NULL; |
| } |
| |
| bool |
| Platform::SetOSVersion (uint32_t major, |
| uint32_t minor, |
| uint32_t update) |
| { |
| if (IsHost()) |
| { |
| // We don't need anyone setting the OS version for the host platform, |
| // we should be able to figure it out by calling Host::GetOSVersion(...). |
| return false; |
| } |
| else |
| { |
| // We have a remote platform, allow setting the target OS version if |
| // we aren't connected, since if we are connected, we should be able to |
| // request the remote OS version from the connected platform. |
| if (IsConnected()) |
| return false; |
| else |
| { |
| // We aren't connected and we might want to set the OS version |
| // ahead of time before we connect so we can peruse files and |
| // use a local SDK or PDK cache of support files to disassemble |
| // or do other things. |
| m_major_os_version = major; |
| m_minor_os_version = minor; |
| m_update_os_version = update; |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| |
| Error |
| Platform::ResolveExecutable (const FileSpec &exe_file, |
| const ArchSpec &exe_arch, |
| lldb::ModuleSP &exe_module_sp, |
| const FileSpecList *module_search_paths_ptr) |
| { |
| Error error; |
| if (exe_file.Exists()) |
| { |
| ModuleSpec module_spec (exe_file, exe_arch); |
| if (module_spec.GetArchitecture().IsValid()) |
| { |
| error = ModuleList::GetSharedModule (module_spec, |
| exe_module_sp, |
| module_search_paths_ptr, |
| NULL, |
| NULL); |
| } |
| 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 |
| for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, module_spec.GetArchitecture()); ++idx) |
| { |
| error = ModuleList::GetSharedModule (module_spec, |
| exe_module_sp, |
| module_search_paths_ptr, |
| NULL, |
| NULL); |
| // Did we find an executable using one of the |
| if (error.Success() && exe_module_sp) |
| break; |
| } |
| } |
| } |
| else |
| { |
| error.SetErrorStringWithFormat ("'%s' does not exist", |
| exe_file.GetPath().c_str()); |
| } |
| return error; |
| } |
| |
| Error |
| Platform::ResolveSymbolFile (Target &target, |
| const ModuleSpec &sym_spec, |
| FileSpec &sym_file) |
| { |
| Error error; |
| if (sym_spec.GetSymbolFileSpec().Exists()) |
| sym_file = sym_spec.GetSymbolFileSpec(); |
| else |
| error.SetErrorString("unable to resolve symbol file"); |
| return error; |
| |
| } |
| |
| |
| |
| bool |
| Platform::ResolveRemotePath (const FileSpec &platform_path, |
| FileSpec &resolved_platform_path) |
| { |
| resolved_platform_path = platform_path; |
| return resolved_platform_path.ResolvePath(); |
| } |
| |
| |
| const ArchSpec & |
| Platform::GetSystemArchitecture() |
| { |
| if (IsHost()) |
| { |
| if (!m_system_arch.IsValid()) |
| { |
| // We have a local host platform |
| m_system_arch = Host::GetArchitecture(); |
| m_system_arch_set_while_connected = m_system_arch.IsValid(); |
| } |
| } |
| else |
| { |
| // We have a remote platform. We can only fetch the remote |
| // system architecture if we are connected, and we don't want to do it |
| // more than once. |
| |
| const bool is_connected = IsConnected(); |
| |
| bool fetch = false; |
| if (m_system_arch.IsValid()) |
| { |
| // We have valid OS version info, check to make sure it wasn't |
| // manually set prior to connecting. If it was manually set prior |
| // to connecting, then lets fetch the actual OS version info |
| // if we are now connected. |
| if (is_connected && !m_system_arch_set_while_connected) |
| fetch = true; |
| } |
| else |
| { |
| // We don't have valid OS version info, fetch it if we are connected |
| fetch = is_connected; |
| } |
| |
| if (fetch) |
| { |
| m_system_arch = GetRemoteSystemArchitecture (); |
| m_system_arch_set_while_connected = m_system_arch.IsValid(); |
| } |
| } |
| return m_system_arch; |
| } |
| |
| |
| Error |
| Platform::ConnectRemote (Args& args) |
| { |
| Error error; |
| if (IsHost()) |
| error.SetErrorStringWithFormat ("The currently selected platform (%s) is the host platform and is always connected.", GetPluginName().GetCString()); |
| else |
| error.SetErrorStringWithFormat ("Platform::ConnectRemote() is not supported by %s", GetPluginName().GetCString()); |
| return error; |
| } |
| |
| Error |
| Platform::DisconnectRemote () |
| { |
| Error error; |
| if (IsHost()) |
| error.SetErrorStringWithFormat ("The currently selected platform (%s) is the host platform and is always connected.", GetPluginName().GetCString()); |
| else |
| error.SetErrorStringWithFormat ("Platform::DisconnectRemote() is not supported by %s", GetPluginName().GetCString()); |
| return error; |
| } |
| |
| bool |
| Platform::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info) |
| { |
| // Take care of the host case so that each subclass can just |
| // call this function to get the host functionality. |
| if (IsHost()) |
| return Host::GetProcessInfo (pid, process_info); |
| return false; |
| } |
| |
| uint32_t |
| Platform::FindProcesses (const ProcessInstanceInfoMatch &match_info, |
| ProcessInstanceInfoList &process_infos) |
| { |
| // Take care of the host case so that each subclass can just |
| // call this function to get the host functionality. |
| uint32_t match_count = 0; |
| if (IsHost()) |
| match_count = Host::FindProcesses (match_info, process_infos); |
| return match_count; |
| } |
| |
| |
| Error |
| Platform::LaunchProcess (ProcessLaunchInfo &launch_info) |
| { |
| Error error; |
| // Take care of the host case so that each subclass can just |
| // call this function to get the host functionality. |
| if (IsHost()) |
| { |
| if (::getenv ("LLDB_LAUNCH_FLAG_LAUNCH_IN_TTY")) |
| launch_info.GetFlags().Set (eLaunchFlagLaunchInTTY); |
| |
| if (launch_info.GetFlags().Test (eLaunchFlagLaunchInShell)) |
| { |
| const bool is_localhost = true; |
| const bool will_debug = launch_info.GetFlags().Test(eLaunchFlagDebug); |
| const bool first_arg_is_full_shell_command = false; |
| uint32_t num_resumes = GetResumeCountForLaunchInfo (launch_info); |
| if (!launch_info.ConvertArgumentsForLaunchingInShell (error, |
| is_localhost, |
| will_debug, |
| first_arg_is_full_shell_command, |
| num_resumes)) |
| return error; |
| } |
| |
| error = Host::LaunchProcess (launch_info); |
| } |
| else |
| error.SetErrorString ("base lldb_private::Platform class can't launch remote processes"); |
| return error; |
| } |
| |
| lldb::ProcessSP |
| Platform::DebugProcess (ProcessLaunchInfo &launch_info, |
| Debugger &debugger, |
| Target *target, // Can be NULL, if NULL create a new target, else use existing one |
| Listener &listener, |
| Error &error) |
| { |
| ProcessSP process_sp; |
| // Make sure we stop at the entry point |
| launch_info.GetFlags ().Set (eLaunchFlagDebug); |
| // We always launch the process we are going to debug in a separate process |
| // group, since then we can handle ^C interrupts ourselves w/o having to worry |
| // about the target getting them as well. |
| launch_info.SetLaunchInSeparateProcessGroup(true); |
| |
| error = LaunchProcess (launch_info); |
| if (error.Success()) |
| { |
| if (launch_info.GetProcessID() != LLDB_INVALID_PROCESS_ID) |
| { |
| ProcessAttachInfo attach_info (launch_info); |
| process_sp = Attach (attach_info, debugger, target, listener, error); |
| if (process_sp) |
| { |
| launch_info.SetHijackListener(attach_info.GetHijackListener()); |
| |
| // Since we attached to the process, it will think it needs to detach |
| // if the process object just goes away without an explicit call to |
| // Process::Kill() or Process::Detach(), so let it know to kill the |
| // process if this happens. |
| process_sp->SetShouldDetach (false); |
| |
| // If we didn't have any file actions, the pseudo terminal might |
| // have been used where the slave side was given as the file to |
| // open for stdin/out/err after we have already opened the master |
| // so we can read/write stdin/out/err. |
| int pty_fd = launch_info.GetPTY().ReleaseMasterFileDescriptor(); |
| if (pty_fd != lldb_utility::PseudoTerminal::invalid_fd) |
| { |
| process_sp->SetSTDIOFileDescriptor(pty_fd); |
| } |
| } |
| } |
| } |
| return process_sp; |
| } |
| |
| |
| lldb::PlatformSP |
| Platform::GetPlatformForArchitecture (const ArchSpec &arch, ArchSpec *platform_arch_ptr) |
| { |
| lldb::PlatformSP platform_sp; |
| Error error; |
| if (arch.IsValid()) |
| platform_sp = Platform::Create (arch, platform_arch_ptr, error); |
| return platform_sp; |
| } |
| |
| |
| //------------------------------------------------------------------ |
| /// Lets a platform answer if it is compatible with a given |
| /// architecture and the target triple contained within. |
| //------------------------------------------------------------------ |
| bool |
| Platform::IsCompatibleArchitecture (const ArchSpec &arch, bool exact_arch_match, ArchSpec *compatible_arch_ptr) |
| { |
| // If the architecture is invalid, we must answer true... |
| if (arch.IsValid()) |
| { |
| ArchSpec platform_arch; |
| // Try for an exact architecture match first. |
| if (exact_arch_match) |
| { |
| for (uint32_t arch_idx=0; GetSupportedArchitectureAtIndex (arch_idx, platform_arch); ++arch_idx) |
| { |
| if (arch.IsExactMatch(platform_arch)) |
| { |
| if (compatible_arch_ptr) |
| *compatible_arch_ptr = platform_arch; |
| return true; |
| } |
| } |
| } |
| else |
| { |
| for (uint32_t arch_idx=0; GetSupportedArchitectureAtIndex (arch_idx, platform_arch); ++arch_idx) |
| { |
| if (arch.IsCompatibleMatch(platform_arch)) |
| { |
| if (compatible_arch_ptr) |
| *compatible_arch_ptr = platform_arch; |
| return true; |
| } |
| } |
| } |
| } |
| if (compatible_arch_ptr) |
| compatible_arch_ptr->Clear(); |
| return false; |
| } |
| |
| Error |
| Platform::PutFile (const FileSpec& source, |
| const FileSpec& destination, |
| uint32_t uid, |
| uint32_t gid) |
| { |
| Error error("unimplemented"); |
| return error; |
| } |
| |
| Error |
| Platform::GetFile (const FileSpec& source, |
| const FileSpec& destination) |
| { |
| Error error("unimplemented"); |
| return error; |
| } |
| |
| Error |
| Platform::CreateSymlink (const char *src, // The name of the link is in src |
| const char *dst)// The symlink points to dst |
| { |
| Error error("unimplemented"); |
| return error; |
| } |
| |
| bool |
| Platform::GetFileExists (const lldb_private::FileSpec& file_spec) |
| { |
| return false; |
| } |
| |
| Error |
| Platform::Unlink (const char *path) |
| { |
| Error error("unimplemented"); |
| return error; |
| } |
| |
| |
| |
| lldb_private::Error |
| Platform::RunShellCommand (const char *command, // Shouldn't be NULL |
| const char *working_dir, // Pass NULL to use the current working directory |
| int *status_ptr, // Pass NULL if you don't want the process exit status |
| int *signo_ptr, // Pass NULL if you don't want the signal that caused the process to exit |
| std::string *command_output, // Pass NULL if you don't want the command output |
| uint32_t timeout_sec) // Timeout in seconds to wait for shell program to finish |
| { |
| if (IsHost()) |
| return Host::RunShellCommand (command, working_dir, status_ptr, signo_ptr, command_output, timeout_sec); |
| else |
| return Error("unimplemented"); |
| } |
| |
| |
| bool |
| Platform::CalculateMD5 (const FileSpec& file_spec, |
| uint64_t &low, |
| uint64_t &high) |
| { |
| if (IsHost()) |
| return Host::CalculateMD5(file_spec, low, high); |
| else |
| return false; |
| } |
| |
| Error |
| Platform::LaunchNativeProcess ( |
| ProcessLaunchInfo &launch_info, |
| lldb_private::NativeProcessProtocol::NativeDelegate &native_delegate, |
| NativeProcessProtocolSP &process_sp) |
| { |
| // Platforms should override this implementation if they want to |
| // support lldb-gdbserver. |
| return Error("unimplemented"); |
| } |
| |
| Error |
| Platform::AttachNativeProcess (lldb::pid_t pid, |
| lldb_private::NativeProcessProtocol::NativeDelegate &native_delegate, |
| NativeProcessProtocolSP &process_sp) |
| { |
| // Platforms should override this implementation if they want to |
| // support lldb-gdbserver. |
| return Error("unimplemented"); |
| } |
| |
| void |
| Platform::SetLocalCacheDirectory (const char* local) |
| { |
| m_local_cache_directory.assign(local); |
| } |
| |
| const char* |
| Platform::GetLocalCacheDirectory () |
| { |
| return m_local_cache_directory.c_str(); |
| } |
| |
| static OptionDefinition |
| g_rsync_option_table[] = |
| { |
| { LLDB_OPT_SET_ALL, false, "rsync" , 'r', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone , "Enable rsync." }, |
| { LLDB_OPT_SET_ALL, false, "rsync-opts" , 'R', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeCommandName , "Platform-specific options required for rsync to work." }, |
| { LLDB_OPT_SET_ALL, false, "rsync-prefix" , 'P', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeCommandName , "Platform-specific rsync prefix put before the remote path." }, |
| { LLDB_OPT_SET_ALL, false, "ignore-remote-hostname" , 'i', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone , "Do not automatically fill in the remote hostname when composing the rsync command." }, |
| }; |
| |
| static OptionDefinition |
| g_ssh_option_table[] = |
| { |
| { LLDB_OPT_SET_ALL, false, "ssh" , 's', OptionParser::eNoArgument, NULL, NULL, 0, eArgTypeNone , "Enable SSH." }, |
| { LLDB_OPT_SET_ALL, false, "ssh-opts" , 'S', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypeCommandName , "Platform-specific options required for SSH to work." }, |
| }; |
| |
| static OptionDefinition |
| g_caching_option_table[] = |
| { |
| { LLDB_OPT_SET_ALL, false, "local-cache-dir" , 'c', OptionParser::eRequiredArgument, NULL, NULL, 0, eArgTypePath , "Path in which to store local copies of files." }, |
| }; |
| |
| OptionGroupPlatformRSync::OptionGroupPlatformRSync () |
| { |
| } |
| |
| OptionGroupPlatformRSync::~OptionGroupPlatformRSync () |
| { |
| } |
| |
| const lldb_private::OptionDefinition* |
| OptionGroupPlatformRSync::GetDefinitions () |
| { |
| return g_rsync_option_table; |
| } |
| |
| void |
| OptionGroupPlatformRSync::OptionParsingStarting (CommandInterpreter &interpreter) |
| { |
| m_rsync = false; |
| m_rsync_opts.clear(); |
| m_rsync_prefix.clear(); |
| m_ignores_remote_hostname = false; |
| } |
| |
| lldb_private::Error |
| OptionGroupPlatformRSync::SetOptionValue (CommandInterpreter &interpreter, |
| uint32_t option_idx, |
| const char *option_arg) |
| { |
| Error error; |
| char short_option = (char) GetDefinitions()[option_idx].short_option; |
| switch (short_option) |
| { |
| case 'r': |
| m_rsync = true; |
| break; |
| |
| case 'R': |
| m_rsync_opts.assign(option_arg); |
| break; |
| |
| case 'P': |
| m_rsync_prefix.assign(option_arg); |
| break; |
| |
| case 'i': |
| m_ignores_remote_hostname = true; |
| break; |
| |
| default: |
| error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option); |
| break; |
| } |
| |
| return error; |
| } |
| |
| uint32_t |
| OptionGroupPlatformRSync::GetNumDefinitions () |
| { |
| return llvm::array_lengthof(g_rsync_option_table); |
| } |
| |
| lldb::BreakpointSP |
| Platform::SetThreadCreationBreakpoint (lldb_private::Target &target) |
| { |
| return lldb::BreakpointSP(); |
| } |
| |
| OptionGroupPlatformSSH::OptionGroupPlatformSSH () |
| { |
| } |
| |
| OptionGroupPlatformSSH::~OptionGroupPlatformSSH () |
| { |
| } |
| |
| const lldb_private::OptionDefinition* |
| OptionGroupPlatformSSH::GetDefinitions () |
| { |
| return g_ssh_option_table; |
| } |
| |
| void |
| OptionGroupPlatformSSH::OptionParsingStarting (CommandInterpreter &interpreter) |
| { |
| m_ssh = false; |
| m_ssh_opts.clear(); |
| } |
| |
| lldb_private::Error |
| OptionGroupPlatformSSH::SetOptionValue (CommandInterpreter &interpreter, |
| uint32_t option_idx, |
| const char *option_arg) |
| { |
| Error error; |
| char short_option = (char) GetDefinitions()[option_idx].short_option; |
| switch (short_option) |
| { |
| case 's': |
| m_ssh = true; |
| break; |
| |
| case 'S': |
| m_ssh_opts.assign(option_arg); |
| break; |
| |
| default: |
| error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option); |
| break; |
| } |
| |
| return error; |
| } |
| |
| uint32_t |
| OptionGroupPlatformSSH::GetNumDefinitions () |
| { |
| return llvm::array_lengthof(g_ssh_option_table); |
| } |
| |
| OptionGroupPlatformCaching::OptionGroupPlatformCaching () |
| { |
| } |
| |
| OptionGroupPlatformCaching::~OptionGroupPlatformCaching () |
| { |
| } |
| |
| const lldb_private::OptionDefinition* |
| OptionGroupPlatformCaching::GetDefinitions () |
| { |
| return g_caching_option_table; |
| } |
| |
| void |
| OptionGroupPlatformCaching::OptionParsingStarting (CommandInterpreter &interpreter) |
| { |
| m_cache_dir.clear(); |
| } |
| |
| lldb_private::Error |
| OptionGroupPlatformCaching::SetOptionValue (CommandInterpreter &interpreter, |
| uint32_t option_idx, |
| const char *option_arg) |
| { |
| Error error; |
| char short_option = (char) GetDefinitions()[option_idx].short_option; |
| switch (short_option) |
| { |
| case 'c': |
| m_cache_dir.assign(option_arg); |
| break; |
| |
| default: |
| error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option); |
| break; |
| } |
| |
| return error; |
| } |
| |
| uint32_t |
| OptionGroupPlatformCaching::GetNumDefinitions () |
| { |
| return llvm::array_lengthof(g_caching_option_table); |
| } |
| |
| size_t |
| Platform::GetEnvironment (StringList &environment) |
| { |
| environment.Clear(); |
| return false; |
| } |
| |
| const std::vector<ConstString> & |
| Platform::GetTrapHandlerSymbolNames () |
| { |
| if (!m_calculated_trap_handlers) |
| { |
| Mutex::Locker locker (m_trap_handler_mutex); |
| if (!m_calculated_trap_handlers) |
| { |
| CalculateTrapHandlerSymbolNames(); |
| m_calculated_trap_handlers = true; |
| } |
| } |
| return m_trap_handlers; |
| } |
| |
