diff options
Diffstat (limited to 'lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp')
| -rw-r--r-- | lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp | 1618 |
1 files changed, 737 insertions, 881 deletions
diff --git a/lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp b/lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp index e64ed66be3c..1aa54c31a1e 100644 --- a/lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp +++ b/lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp @@ -41,200 +41,170 @@ using namespace lldb_private::platform_gdb_server; static bool g_initialized = false; -void -PlatformRemoteGDBServer::Initialize () -{ - Platform::Initialize (); - - if (g_initialized == false) - { - g_initialized = true; - PluginManager::RegisterPlugin (PlatformRemoteGDBServer::GetPluginNameStatic(), - PlatformRemoteGDBServer::GetDescriptionStatic(), - PlatformRemoteGDBServer::CreateInstance); - } +void PlatformRemoteGDBServer::Initialize() { + Platform::Initialize(); + + if (g_initialized == false) { + g_initialized = true; + PluginManager::RegisterPlugin( + PlatformRemoteGDBServer::GetPluginNameStatic(), + PlatformRemoteGDBServer::GetDescriptionStatic(), + PlatformRemoteGDBServer::CreateInstance); + } } -void -PlatformRemoteGDBServer::Terminate () -{ - if (g_initialized) - { - g_initialized = false; - PluginManager::UnregisterPlugin (PlatformRemoteGDBServer::CreateInstance); - } +void PlatformRemoteGDBServer::Terminate() { + if (g_initialized) { + g_initialized = false; + PluginManager::UnregisterPlugin(PlatformRemoteGDBServer::CreateInstance); + } - Platform::Terminate (); + Platform::Terminate(); } -PlatformSP -PlatformRemoteGDBServer::CreateInstance (bool force, const ArchSpec *arch) -{ - bool create = force; - if (!create) - { - create = !arch->TripleVendorWasSpecified() && !arch->TripleOSWasSpecified(); - } - if (create) - return PlatformSP(new PlatformRemoteGDBServer()); - return PlatformSP(); +PlatformSP PlatformRemoteGDBServer::CreateInstance(bool force, + const ArchSpec *arch) { + bool create = force; + if (!create) { + create = !arch->TripleVendorWasSpecified() && !arch->TripleOSWasSpecified(); + } + if (create) + return PlatformSP(new PlatformRemoteGDBServer()); + return PlatformSP(); } - -ConstString -PlatformRemoteGDBServer::GetPluginNameStatic() -{ - static ConstString g_name("remote-gdb-server"); - return g_name; +ConstString PlatformRemoteGDBServer::GetPluginNameStatic() { + static ConstString g_name("remote-gdb-server"); + return g_name; } -const char * -PlatformRemoteGDBServer::GetDescriptionStatic() -{ - return "A platform that uses the GDB remote protocol as the communication transport."; +const char *PlatformRemoteGDBServer::GetDescriptionStatic() { + return "A platform that uses the GDB remote protocol as the communication " + "transport."; } -const char * -PlatformRemoteGDBServer::GetDescription () -{ - if (m_platform_description.empty()) - { - if (IsConnected()) - { - // Send the get description packet - } +const char *PlatformRemoteGDBServer::GetDescription() { + if (m_platform_description.empty()) { + if (IsConnected()) { + // Send the get description packet } - - if (!m_platform_description.empty()) - return m_platform_description.c_str(); - return GetDescriptionStatic(); + } + + if (!m_platform_description.empty()) + return m_platform_description.c_str(); + return GetDescriptionStatic(); } -Error -PlatformRemoteGDBServer::ResolveExecutable (const ModuleSpec &module_spec, - lldb::ModuleSP &exe_module_sp, - const FileSpecList *module_search_paths_ptr) -{ - // copied from PlatformRemoteiOS - - Error error; - // Nothing special to do here, just use the actual file and architecture - - ModuleSpec resolved_module_spec(module_spec); - - // Resolve any executable within an apk on Android? - //Host::ResolveExecutableInBundle (resolved_module_spec.GetFileSpec()); - - if (resolved_module_spec.GetFileSpec().Exists() || - module_spec.GetUUID().IsValid()) - { - if (resolved_module_spec.GetArchitecture().IsValid() || resolved_module_spec.GetUUID().IsValid()) - { - error = ModuleList::GetSharedModule (resolved_module_spec, - exe_module_sp, - module_search_paths_ptr, - NULL, - NULL); - - if (exe_module_sp && exe_module_sp->GetObjectFile()) - return error; - exe_module_sp.reset(); - } - // No valid architecture was specified or the exact arch wasn't - // found so ask the platform for the architectures that we should be - // using (in the correct order) and see if we can find a match that way - StreamString arch_names; - for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, resolved_module_spec.GetArchitecture()); ++idx) - { - error = ModuleList::GetSharedModule (resolved_module_spec, - exe_module_sp, - module_search_paths_ptr, - NULL, - NULL); - // Did we find an executable using one of the - if (error.Success()) - { - if (exe_module_sp && exe_module_sp->GetObjectFile()) - break; - else - error.SetErrorToGenericError(); - } +Error PlatformRemoteGDBServer::ResolveExecutable( + const ModuleSpec &module_spec, lldb::ModuleSP &exe_module_sp, + const FileSpecList *module_search_paths_ptr) { + // copied from PlatformRemoteiOS - if (idx > 0) - arch_names.PutCString (", "); - arch_names.PutCString (resolved_module_spec.GetArchitecture().GetArchitectureName()); - } + Error error; + // Nothing special to do here, just use the actual file and architecture - if (error.Fail() || !exe_module_sp) - { - if (resolved_module_spec.GetFileSpec().Readable()) - { - error.SetErrorStringWithFormat ("'%s' doesn't contain any '%s' platform architectures: %s", - resolved_module_spec.GetFileSpec().GetPath().c_str(), - GetPluginName().GetCString(), - arch_names.GetString().c_str()); - } - else - { - error.SetErrorStringWithFormat("'%s' is not readable", resolved_module_spec.GetFileSpec().GetPath().c_str()); - } - } + ModuleSpec resolved_module_spec(module_spec); + + // Resolve any executable within an apk on Android? + // Host::ResolveExecutableInBundle (resolved_module_spec.GetFileSpec()); + + if (resolved_module_spec.GetFileSpec().Exists() || + module_spec.GetUUID().IsValid()) { + if (resolved_module_spec.GetArchitecture().IsValid() || + resolved_module_spec.GetUUID().IsValid()) { + error = ModuleList::GetSharedModule(resolved_module_spec, exe_module_sp, + module_search_paths_ptr, NULL, NULL); + + if (exe_module_sp && exe_module_sp->GetObjectFile()) + return error; + exe_module_sp.reset(); } - else - { - error.SetErrorStringWithFormat ("'%s' does not exist", - resolved_module_spec.GetFileSpec().GetPath().c_str()); + // No valid architecture was specified or the exact arch wasn't + // found so ask the platform for the architectures that we should be + // using (in the correct order) and see if we can find a match that way + StreamString arch_names; + for (uint32_t idx = 0; GetSupportedArchitectureAtIndex( + idx, resolved_module_spec.GetArchitecture()); + ++idx) { + error = ModuleList::GetSharedModule(resolved_module_spec, exe_module_sp, + module_search_paths_ptr, NULL, NULL); + // Did we find an executable using one of the + if (error.Success()) { + if (exe_module_sp && exe_module_sp->GetObjectFile()) + break; + else + error.SetErrorToGenericError(); + } + + if (idx > 0) + arch_names.PutCString(", "); + arch_names.PutCString( + resolved_module_spec.GetArchitecture().GetArchitectureName()); } - return error; -} + if (error.Fail() || !exe_module_sp) { + if (resolved_module_spec.GetFileSpec().Readable()) { + error.SetErrorStringWithFormat( + "'%s' doesn't contain any '%s' platform architectures: %s", + resolved_module_spec.GetFileSpec().GetPath().c_str(), + GetPluginName().GetCString(), arch_names.GetString().c_str()); + } else { + error.SetErrorStringWithFormat( + "'%s' is not readable", + resolved_module_spec.GetFileSpec().GetPath().c_str()); + } + } + } else { + error.SetErrorStringWithFormat( + "'%s' does not exist", + resolved_module_spec.GetFileSpec().GetPath().c_str()); + } -bool -PlatformRemoteGDBServer::GetModuleSpec (const FileSpec& module_file_spec, - const ArchSpec& arch, - ModuleSpec &module_spec) -{ - Log *log = GetLogIfAnyCategoriesSet (LIBLLDB_LOG_PLATFORM); + return error; +} - const auto module_path = module_file_spec.GetPath (false); +bool PlatformRemoteGDBServer::GetModuleSpec(const FileSpec &module_file_spec, + const ArchSpec &arch, + ModuleSpec &module_spec) { + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); - if (!m_gdb_client.GetModuleInfo (module_file_spec, arch, module_spec)) - { - if (log) - log->Printf ("PlatformRemoteGDBServer::%s - failed to get module info for %s:%s", - __FUNCTION__, module_path.c_str (), arch.GetTriple ().getTriple ().c_str ()); - return false; - } + const auto module_path = module_file_spec.GetPath(false); + if (!m_gdb_client.GetModuleInfo(module_file_spec, arch, module_spec)) { if (log) - { - StreamString stream; - module_spec.Dump (stream); - log->Printf ("PlatformRemoteGDBServer::%s - got module info for (%s:%s) : %s", - __FUNCTION__, module_path.c_str (), arch.GetTriple ().getTriple ().c_str (), stream.GetString ().c_str ()); - } + log->Printf( + "PlatformRemoteGDBServer::%s - failed to get module info for %s:%s", + __FUNCTION__, module_path.c_str(), + arch.GetTriple().getTriple().c_str()); + return false; + } - return true; + if (log) { + StreamString stream; + module_spec.Dump(stream); + log->Printf( + "PlatformRemoteGDBServer::%s - got module info for (%s:%s) : %s", + __FUNCTION__, module_path.c_str(), arch.GetTriple().getTriple().c_str(), + stream.GetString().c_str()); + } + + return true; } -Error -PlatformRemoteGDBServer::GetFileWithUUID (const FileSpec &platform_file, - const UUID *uuid_ptr, - FileSpec &local_file) -{ - // Default to the local case - local_file = platform_file; - return Error(); +Error PlatformRemoteGDBServer::GetFileWithUUID(const FileSpec &platform_file, + const UUID *uuid_ptr, + FileSpec &local_file) { + // Default to the local case + local_file = platform_file; + return Error(); } //------------------------------------------------------------------ /// Default Constructor //------------------------------------------------------------------ -PlatformRemoteGDBServer::PlatformRemoteGDBServer () : - Platform (false), // This is a remote platform - m_gdb_client () -{ -} +PlatformRemoteGDBServer::PlatformRemoteGDBServer() + : Platform(false), // This is a remote platform + m_gdb_client() {} //------------------------------------------------------------------ /// Destructor. @@ -242,793 +212,679 @@ PlatformRemoteGDBServer::PlatformRemoteGDBServer () : /// The destructor is virtual since this class is designed to be /// inherited from by the plug-in instance. //------------------------------------------------------------------ -PlatformRemoteGDBServer::~PlatformRemoteGDBServer() -{ -} - -bool -PlatformRemoteGDBServer::GetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch) -{ - ArchSpec remote_arch = m_gdb_client.GetSystemArchitecture(); - - if (idx == 0) - { - arch = remote_arch; - return arch.IsValid(); - } - else if (idx == 1 && remote_arch.IsValid() && remote_arch.GetTriple().isArch64Bit()) - { - arch.SetTriple(remote_arch.GetTriple().get32BitArchVariant()); - return arch.IsValid(); - } - return false; -} - -size_t -PlatformRemoteGDBServer::GetSoftwareBreakpointTrapOpcode (Target &target, BreakpointSite *bp_site) -{ - // This isn't needed if the z/Z packets are supported in the GDB remote - // server. But we might need a packet to detect this. - return 0; -} - -bool -PlatformRemoteGDBServer::GetRemoteOSVersion () -{ - uint32_t major, minor, update; - if (m_gdb_client.GetOSVersion (major, minor, update)) - { - m_major_os_version = major; - m_minor_os_version = minor; - m_update_os_version = update; - return true; - } - return false; +PlatformRemoteGDBServer::~PlatformRemoteGDBServer() {} + +bool PlatformRemoteGDBServer::GetSupportedArchitectureAtIndex(uint32_t idx, + ArchSpec &arch) { + ArchSpec remote_arch = m_gdb_client.GetSystemArchitecture(); + + if (idx == 0) { + arch = remote_arch; + return arch.IsValid(); + } else if (idx == 1 && remote_arch.IsValid() && + remote_arch.GetTriple().isArch64Bit()) { + arch.SetTriple(remote_arch.GetTriple().get32BitArchVariant()); + return arch.IsValid(); + } + return false; +} + +size_t PlatformRemoteGDBServer::GetSoftwareBreakpointTrapOpcode( + Target &target, BreakpointSite *bp_site) { + // This isn't needed if the z/Z packets are supported in the GDB remote + // server. But we might need a packet to detect this. + return 0; +} + +bool PlatformRemoteGDBServer::GetRemoteOSVersion() { + uint32_t major, minor, update; + if (m_gdb_client.GetOSVersion(major, minor, update)) { + m_major_os_version = major; + m_minor_os_version = minor; + m_update_os_version = update; + return true; + } + return false; } -bool -PlatformRemoteGDBServer::GetRemoteOSBuildString (std::string &s) -{ - return m_gdb_client.GetOSBuildString (s); +bool PlatformRemoteGDBServer::GetRemoteOSBuildString(std::string &s) { + return m_gdb_client.GetOSBuildString(s); } -bool -PlatformRemoteGDBServer::GetRemoteOSKernelDescription (std::string &s) -{ - return m_gdb_client.GetOSKernelDescription (s); +bool PlatformRemoteGDBServer::GetRemoteOSKernelDescription(std::string &s) { + return m_gdb_client.GetOSKernelDescription(s); } // Remote Platform subclasses need to override this function -ArchSpec -PlatformRemoteGDBServer::GetRemoteSystemArchitecture () -{ - return m_gdb_client.GetSystemArchitecture(); -} - -FileSpec -PlatformRemoteGDBServer::GetRemoteWorkingDirectory() -{ - if (IsConnected()) - { - Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); - FileSpec working_dir; - if (m_gdb_client.GetWorkingDir(working_dir) && log) - log->Printf("PlatformRemoteGDBServer::GetRemoteWorkingDirectory() -> '%s'", - working_dir.GetCString()); - return working_dir; - } - else - { - return Platform::GetRemoteWorkingDirectory(); - } -} - -bool -PlatformRemoteGDBServer::SetRemoteWorkingDirectory(const FileSpec &working_dir) -{ - if (IsConnected()) - { - // Clear the working directory it case it doesn't get set correctly. This will - // for use to re-read it - Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); - if (log) - log->Printf("PlatformRemoteGDBServer::SetRemoteWorkingDirectory('%s')", - working_dir.GetCString()); - return m_gdb_client.SetWorkingDir(working_dir) == 0; - } - else - return Platform::SetRemoteWorkingDirectory(working_dir); +ArchSpec PlatformRemoteGDBServer::GetRemoteSystemArchitecture() { + return m_gdb_client.GetSystemArchitecture(); } -bool -PlatformRemoteGDBServer::IsConnected () const -{ - return m_gdb_client.IsConnected(); -} - -Error -PlatformRemoteGDBServer::ConnectRemote (Args& args) -{ - Error error; - if (IsConnected()) - { - error.SetErrorStringWithFormat ("the platform is already connected to '%s', execute 'platform disconnect' to close the current connection", - GetHostname()); - } - else - { - if (args.GetArgumentCount() == 1) - { - m_gdb_client.SetConnection(new ConnectionFileDescriptor()); - // we're going to reuse the hostname when we connect to the debugserver - int port; - std::string path; - const char *url = args.GetArgumentAtIndex(0); - if (!url) - return Error("URL is null."); - if (!UriParser::Parse(url, m_platform_scheme, m_platform_hostname, port, path)) - return Error("Invalid URL: %s", url); - - const ConnectionStatus status = m_gdb_client.Connect(url, &error); - if (status == eConnectionStatusSuccess) - { - if (m_gdb_client.HandshakeWithServer(&error)) - { - m_gdb_client.GetHostInfo(); - // If a working directory was set prior to connecting, send it down now - if (m_working_dir) - m_gdb_client.SetWorkingDir(m_working_dir); - } - else - { - m_gdb_client.Disconnect(); - if (error.Success()) - error.SetErrorString("handshake failed"); - } - } - } - else - { - error.SetErrorString ("\"platform connect\" takes a single argument: <connect-url>"); +FileSpec PlatformRemoteGDBServer::GetRemoteWorkingDirectory() { + if (IsConnected()) { + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + FileSpec working_dir; + if (m_gdb_client.GetWorkingDir(working_dir) && log) + log->Printf( + "PlatformRemoteGDBServer::GetRemoteWorkingDirectory() -> '%s'", + working_dir.GetCString()); + return working_dir; + } else { + return Platform::GetRemoteWorkingDirectory(); + } +} + +bool PlatformRemoteGDBServer::SetRemoteWorkingDirectory( + const FileSpec &working_dir) { + if (IsConnected()) { + // Clear the working directory it case it doesn't get set correctly. This + // will + // for use to re-read it + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf("PlatformRemoteGDBServer::SetRemoteWorkingDirectory('%s')", + working_dir.GetCString()); + return m_gdb_client.SetWorkingDir(working_dir) == 0; + } else + return Platform::SetRemoteWorkingDirectory(working_dir); +} + +bool PlatformRemoteGDBServer::IsConnected() const { + return m_gdb_client.IsConnected(); +} + +Error PlatformRemoteGDBServer::ConnectRemote(Args &args) { + Error error; + if (IsConnected()) { + error.SetErrorStringWithFormat("the platform is already connected to '%s', " + "execute 'platform disconnect' to close the " + "current connection", + GetHostname()); + } else { + if (args.GetArgumentCount() == 1) { + m_gdb_client.SetConnection(new ConnectionFileDescriptor()); + // we're going to reuse the hostname when we connect to the debugserver + int port; + std::string path; + const char *url = args.GetArgumentAtIndex(0); + if (!url) + return Error("URL is null."); + if (!UriParser::Parse(url, m_platform_scheme, m_platform_hostname, port, + path)) + return Error("Invalid URL: %s", url); + + const ConnectionStatus status = m_gdb_client.Connect(url, &error); + if (status == eConnectionStatusSuccess) { + if (m_gdb_client.HandshakeWithServer(&error)) { + m_gdb_client.GetHostInfo(); + // If a working directory was set prior to connecting, send it down + // now + if (m_working_dir) + m_gdb_client.SetWorkingDir(m_working_dir); + } else { + m_gdb_client.Disconnect(); + if (error.Success()) + error.SetErrorString("handshake failed"); } + } + } else { + error.SetErrorString( + "\"platform connect\" takes a single argument: <connect-url>"); } - return error; + } + return error; } -Error -PlatformRemoteGDBServer::DisconnectRemote () -{ - Error error; - m_gdb_client.Disconnect(&error); - m_remote_signals_sp.reset(); - return error; +Error PlatformRemoteGDBServer::DisconnectRemote() { + Error error; + m_gdb_client.Disconnect(&error); + m_remote_signals_sp.reset(); + return error; } -const char * -PlatformRemoteGDBServer::GetHostname () -{ - m_gdb_client.GetHostname (m_name); - if (m_name.empty()) - return NULL; - return m_name.c_str(); -} - -const char * -PlatformRemoteGDBServer::GetUserName (uint32_t uid) -{ - // Try and get a cache user name first - const char *cached_user_name = Platform::GetUserName(uid); - if (cached_user_name) - return cached_user_name; - std::string name; - if (m_gdb_client.GetUserName(uid, name)) - return SetCachedUserName(uid, name.c_str(), name.size()); - - SetUserNameNotFound(uid); // Negative cache so we don't keep sending packets +const char *PlatformRemoteGDBServer::GetHostname() { + m_gdb_client.GetHostname(m_name); + if (m_name.empty()) return NULL; -} - -const char * -PlatformRemoteGDBServer::GetGroupName (uint32_t gid) -{ - const char *cached_group_name = Platform::GetGroupName(gid); - if (cached_group_name) - return cached_group_name; - std::string name; - if (m_gdb_client.GetGroupName(gid, name)) - return SetCachedGroupName(gid, name.c_str(), name.size()); - - SetGroupNameNotFound(gid); // Negative cache so we don't keep sending packets - return NULL; -} - -uint32_t -PlatformRemoteGDBServer::FindProcesses (const ProcessInstanceInfoMatch &match_info, - ProcessInstanceInfoList &process_infos) -{ - return m_gdb_client.FindProcesses (match_info, process_infos); -} - -bool -PlatformRemoteGDBServer::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info) -{ - return m_gdb_client.GetProcessInfo (pid, process_info); -} - - -Error -PlatformRemoteGDBServer::LaunchProcess (ProcessLaunchInfo &launch_info) -{ - Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_PLATFORM)); - Error error; - - if (log) - log->Printf ("PlatformRemoteGDBServer::%s() called", __FUNCTION__); - - auto num_file_actions = launch_info.GetNumFileActions (); - for (decltype(num_file_actions) i = 0; i < num_file_actions; ++i) - { - const auto file_action = launch_info.GetFileActionAtIndex (i); - if (file_action->GetAction () != FileAction::eFileActionOpen) - continue; - switch(file_action->GetFD()) - { - case STDIN_FILENO: - m_gdb_client.SetSTDIN(file_action->GetFileSpec()); - break; - case STDOUT_FILENO: - m_gdb_client.SetSTDOUT(file_action->GetFileSpec()); - break; - case STDERR_FILENO: - m_gdb_client.SetSTDERR(file_action->GetFileSpec()); - break; - } + return m_name.c_str(); +} + +const char *PlatformRemoteGDBServer::GetUserName(uint32_t uid) { + // Try and get a cache user name first + const char *cached_user_name = Platform::GetUserName(uid); + if (cached_user_name) + return cached_user_name; + std::string name; + if (m_gdb_client.GetUserName(uid, name)) + return SetCachedUserName(uid, name.c_str(), name.size()); + + SetUserNameNotFound(uid); // Negative cache so we don't keep sending packets + return NULL; +} + +const char *PlatformRemoteGDBServer::GetGroupName(uint32_t gid) { + const char *cached_group_name = Platform::GetGroupName(gid); + if (cached_group_name) + return cached_group_name; + std::string name; + if (m_gdb_client.GetGroupName(gid, name)) + return SetCachedGroupName(gid, name.c_str(), name.size()); + + SetGroupNameNotFound(gid); // Negative cache so we don't keep sending packets + return NULL; +} + +uint32_t PlatformRemoteGDBServer::FindProcesses( + const ProcessInstanceInfoMatch &match_info, + ProcessInstanceInfoList &process_infos) { + return m_gdb_client.FindProcesses(match_info, process_infos); +} + +bool PlatformRemoteGDBServer::GetProcessInfo( + lldb::pid_t pid, ProcessInstanceInfo &process_info) { + return m_gdb_client.GetProcessInfo(pid, process_info); +} + +Error PlatformRemoteGDBServer::LaunchProcess(ProcessLaunchInfo &launch_info) { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PLATFORM)); + Error error; + + if (log) + log->Printf("PlatformRemoteGDBServer::%s() called", __FUNCTION__); + + auto num_file_actions = launch_info.GetNumFileActions(); + for (decltype(num_file_actions) i = 0; i < num_file_actions; ++i) { + const auto file_action = launch_info.GetFileActionAtIndex(i); + if (file_action->GetAction() != FileAction::eFileActionOpen) + continue; + switch (file_action->GetFD()) { + case STDIN_FILENO: + m_gdb_client.SetSTDIN(file_action->GetFileSpec()); + break; + case STDOUT_FILENO: + m_gdb_client.SetSTDOUT(file_action->GetFileSpec()); + break; + case STDERR_FILENO: + m_gdb_client.SetSTDERR(file_action->GetFileSpec()); + break; } - - m_gdb_client.SetDisableASLR (launch_info.GetFlags().Test (eLaunchFlagDisableASLR)); - m_gdb_client.SetDetachOnError (launch_info.GetFlags().Test (eLaunchFlagDetachOnError)); - - FileSpec working_dir = launch_info.GetWorkingDirectory(); - if (working_dir) - { - m_gdb_client.SetWorkingDir(working_dir); - } - - // Send the environment and the program + arguments after we connect - const char **envp = launch_info.GetEnvironmentEntries().GetConstArgumentVector(); - - if (envp) - { - const char *env_entry; - for (int i=0; (env_entry = envp[i]); ++i) - { - if (m_gdb_client.SendEnvironmentPacket(env_entry) != 0) - break; - } + } + + m_gdb_client.SetDisableASLR( + launch_info.GetFlags().Test(eLaunchFlagDisableASLR)); + m_gdb_client.SetDetachOnError( + launch_info.GetFlags().Test(eLaunchFlagDetachOnError)); + + FileSpec working_dir = launch_info.GetWorkingDirectory(); + if (working_dir) { + m_gdb_client.SetWorkingDir(working_dir); + } + + // Send the environment and the program + arguments after we connect + const char **envp = + launch_info.GetEnvironmentEntries().GetConstArgumentVector(); + + if (envp) { + const char *env_entry; + for (int i = 0; (env_entry = envp[i]); ++i) { + if (m_gdb_client.SendEnvironmentPacket(env_entry) != 0) + break; } - - ArchSpec arch_spec = launch_info.GetArchitecture(); - const char *arch_triple = arch_spec.GetTriple().str().c_str(); - - m_gdb_client.SendLaunchArchPacket(arch_triple); - if (log) - log->Printf ("PlatformRemoteGDBServer::%s() set launch architecture triple to '%s'", __FUNCTION__, arch_triple ? arch_triple : "<NULL>"); - - int arg_packet_err; - { - // Scope for the scoped timeout object - process_gdb_remote::GDBRemoteCommunication::ScopedTimeout timeout(m_gdb_client, 5); - arg_packet_err = m_gdb_client.SendArgumentsPacket (launch_info); + } + + ArchSpec arch_spec = launch_info.GetArchitecture(); + const char *arch_triple = arch_spec.GetTriple().str().c_str(); + + m_gdb_client.SendLaunchArchPacket(arch_triple); + if (log) + log->Printf( + "PlatformRemoteGDBServer::%s() set launch architecture triple to '%s'", + __FUNCTION__, arch_triple ? arch_triple : "<NULL>"); + + int arg_packet_err; + { + // Scope for the scoped timeout object + process_gdb_remote::GDBRemoteCommunication::ScopedTimeout timeout( + m_gdb_client, 5); + arg_packet_err = m_gdb_client.SendArgumentsPacket(launch_info); + } + + if (arg_packet_err == 0) { + std::string error_str; + if (m_gdb_client.GetLaunchSuccess(error_str)) { + const auto pid = m_gdb_client.GetCurrentProcessID(false); + if (pid != LLDB_INVALID_PROCESS_ID) { + launch_info.SetProcessID(pid); + if (log) + log->Printf("PlatformRemoteGDBServer::%s() pid %" PRIu64 + " launched successfully", + __FUNCTION__, pid); + } else { + if (log) + log->Printf("PlatformRemoteGDBServer::%s() launch succeeded but we " + "didn't get a valid process id back!", + __FUNCTION__); + error.SetErrorString("failed to get PID"); + } + } else { + error.SetErrorString(error_str.c_str()); + if (log) + log->Printf("PlatformRemoteGDBServer::%s() launch failed: %s", + __FUNCTION__, error.AsCString()); } - - if (arg_packet_err == 0) - { - std::string error_str; - if (m_gdb_client.GetLaunchSuccess (error_str)) - { - const auto pid = m_gdb_client.GetCurrentProcessID (false); - if (pid != LLDB_INVALID_PROCESS_ID) - { - launch_info.SetProcessID (pid); - if (log) - log->Printf ("PlatformRemoteGDBServer::%s() pid %" PRIu64 " launched successfully", __FUNCTION__, pid); - } - else - { - if (log) - log->Printf ("PlatformRemoteGDBServer::%s() launch succeeded but we didn't get a valid process id back!", __FUNCTION__); - error.SetErrorString ("failed to get PID"); + } else { + error.SetErrorStringWithFormat("'A' packet returned an error: %i", + arg_packet_err); + } + return error; +} + +Error PlatformRemoteGDBServer::KillProcess(const lldb::pid_t pid) { + if (!KillSpawnedProcess(pid)) + return Error("failed to kill remote spawned process"); + return Error(); +} + +lldb::ProcessSP PlatformRemoteGDBServer::DebugProcess( + ProcessLaunchInfo &launch_info, Debugger &debugger, + Target *target, // Can be NULL, if NULL create a new target, else use + // existing one + Error &error) { + lldb::ProcessSP process_sp; + if (IsRemote()) { + if (IsConnected()) { + lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID; + std::string connect_url; + if (!LaunchGDBServer(debugserver_pid, connect_url)) { + error.SetErrorStringWithFormat("unable to launch a GDB server on '%s'", + GetHostname()); + } else { + if (target == NULL) { + TargetSP new_target_sp; + + error = debugger.GetTargetList().CreateTarget( + debugger, NULL, NULL, false, NULL, new_target_sp); + target = new_target_sp.get(); + } else + error.Clear(); + + if (target && error.Success()) { + debugger.GetTargetList().SetSelectedTarget(target); + + // The darwin always currently uses the GDB remote debugger plug-in + // so even when debugging locally we are debugging remotely! + process_sp = target->CreateProcess( + launch_info.GetListenerForProcess(debugger), "gdb-remote", NULL); + + if (process_sp) { + error = process_sp->ConnectRemote(nullptr, connect_url.c_str()); + // Retry the connect remote one time... + if (error.Fail()) + error = process_sp->ConnectRemote(nullptr, connect_url.c_str()); + if (error.Success()) + error = process_sp->Launch(launch_info); + else if (debugserver_pid != LLDB_INVALID_PROCESS_ID) { + printf("error: connect remote failed (%s)\n", error.AsCString()); + KillSpawnedProcess(debugserver_pid); } + } } - else - { - error.SetErrorString (error_str.c_str()); - if (log) - log->Printf ("PlatformRemoteGDBServer::%s() launch failed: %s", __FUNCTION__, error.AsCString ()); - } + } + } else { + error.SetErrorString("not connected to remote gdb server"); } - else - { - error.SetErrorStringWithFormat("'A' packet returned an error: %i", arg_packet_err); - } - return error; -} - -Error -PlatformRemoteGDBServer::KillProcess (const lldb::pid_t pid) -{ - if (!KillSpawnedProcess(pid)) - return Error("failed to kill remote spawned process"); - return Error(); -} + } + return process_sp; +} + +bool PlatformRemoteGDBServer::LaunchGDBServer(lldb::pid_t &pid, + std::string &connect_url) { + ArchSpec remote_arch = GetRemoteSystemArchitecture(); + llvm::Triple &remote_triple = remote_arch.GetTriple(); + + uint16_t port = 0; + std::string socket_name; + bool launch_result = false; + if (remote_triple.getVendor() == llvm::Triple::Apple && + remote_triple.getOS() == llvm::Triple::IOS) { + // When remote debugging to iOS, we use a USB mux that always talks + // to localhost, so we will need the remote debugserver to accept + // connections + // only from localhost, no matter what our current hostname is + launch_result = + m_gdb_client.LaunchGDBServer("127.0.0.1", pid, port, socket_name); + } else { + // All other hosts should use their actual hostname + launch_result = + m_gdb_client.LaunchGDBServer(nullptr, pid, port, socket_name); + } + + if (!launch_result) + return false; -lldb::ProcessSP -PlatformRemoteGDBServer::DebugProcess (ProcessLaunchInfo &launch_info, - Debugger &debugger, - Target *target, // Can be NULL, if NULL create a new target, else use existing one - Error &error) -{ - lldb::ProcessSP process_sp; - if (IsRemote()) - { - if (IsConnected()) - { - lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID; - std::string connect_url; - if (!LaunchGDBServer(debugserver_pid, connect_url)) - { - error.SetErrorStringWithFormat ("unable to launch a GDB server on '%s'", GetHostname ()); - } - else - { - if (target == NULL) - { - TargetSP new_target_sp; - - error = debugger.GetTargetList().CreateTarget (debugger, - NULL, - NULL, - false, - NULL, - new_target_sp); - target = new_target_sp.get(); - } - else - error.Clear(); - - if (target && error.Success()) - { - debugger.GetTargetList().SetSelectedTarget(target); - - // The darwin always currently uses the GDB remote debugger plug-in - // so even when debugging locally we are debugging remotely! - process_sp = target->CreateProcess (launch_info.GetListenerForProcess(debugger), "gdb-remote", NULL); - - if (process_sp) - { - error = process_sp->ConnectRemote (nullptr, connect_url.c_str()); - // Retry the connect remote one time... - if (error.Fail()) - error = process_sp->ConnectRemote (nullptr, connect_url.c_str()); - if (error.Success()) - error = process_sp->Launch(launch_info); - else if (debugserver_pid != LLDB_INVALID_PROCESS_ID) - { - printf ("error: connect remote failed (%s)\n", error.AsCString()); - KillSpawnedProcess(debugserver_pid); - } - } - } + connect_url = + MakeGdbServerUrl(m_platform_scheme, m_platform_hostname, port, + (socket_name.empty()) ? nullptr : socket_name.c_str()); + return true; +} + +bool PlatformRemoteGDBServer::KillSpawnedProcess(lldb::pid_t pid) { + return m_gdb_client.KillSpawnedProcess(pid); +} + +lldb::ProcessSP PlatformRemoteGDBServer::Attach( + ProcessAttachInfo &attach_info, Debugger &debugger, + Target *target, // Can be NULL, if NULL create a new target, else use + // existing one + Error &error) { + lldb::ProcessSP process_sp; + if (IsRemote()) { + if (IsConnected()) { + lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID; + std::string connect_url; + if (!LaunchGDBServer(debugserver_pid, connect_url)) { + error.SetErrorStringWithFormat("unable to launch a GDB server on '%s'", + GetHostname()); + } else { + if (target == NULL) { + TargetSP new_target_sp; + + error = debugger.GetTargetList().CreateTarget( + debugger, NULL, NULL, false, NULL, new_target_sp); + target = new_target_sp.get(); + } else + error.Clear(); + + if (target && error.Success()) { + debugger.GetTargetList().SetSelectedTarget(target); + + // The darwin always currently uses the GDB remote debugger plug-in + // so even when debugging locally we are debugging remotely! + process_sp = target->CreateProcess( + attach_info.GetListenerForProcess(debugger), "gdb-remote", NULL); + if (process_sp) { + error = process_sp->ConnectRemote(nullptr, connect_url.c_str()); + if (error.Success()) { + ListenerSP listener_sp = attach_info.GetHijackListener(); + if (listener_sp) + process_sp->HijackProcessEvents(listener_sp); + error = process_sp->Attach(attach_info); } - } - else - { - error.SetErrorString("not connected to remote gdb server"); - } - } - return process_sp; -} - -bool -PlatformRemoteGDBServer::LaunchGDBServer (lldb::pid_t &pid, std::string &connect_url) -{ - ArchSpec remote_arch = GetRemoteSystemArchitecture (); - llvm::Triple &remote_triple = remote_arch.GetTriple (); - - uint16_t port = 0; - std::string socket_name; - bool launch_result = false; - if (remote_triple.getVendor () == llvm::Triple::Apple && remote_triple.getOS () == llvm::Triple::IOS) - { - // When remote debugging to iOS, we use a USB mux that always talks - // to localhost, so we will need the remote debugserver to accept connections - // only from localhost, no matter what our current hostname is - launch_result = m_gdb_client.LaunchGDBServer ("127.0.0.1", pid, port, socket_name); - } - else - { - // All other hosts should use their actual hostname - launch_result = m_gdb_client.LaunchGDBServer (nullptr, pid, port, socket_name); - } - - if (!launch_result) - return false; - - connect_url = MakeGdbServerUrl(m_platform_scheme, - m_platform_hostname, - port, - (socket_name.empty()) ? nullptr : socket_name.c_str()); - return true; -} - -bool -PlatformRemoteGDBServer::KillSpawnedProcess (lldb::pid_t pid) -{ - return m_gdb_client.KillSpawnedProcess (pid); -} - -lldb::ProcessSP -PlatformRemoteGDBServer::Attach (ProcessAttachInfo &attach_info, - Debugger &debugger, - Target *target, // Can be NULL, if NULL create a new target, else use existing one - Error &error) -{ - lldb::ProcessSP process_sp; - if (IsRemote()) - { - if (IsConnected()) - { - lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID; - std::string connect_url; - if (!LaunchGDBServer(debugserver_pid, connect_url)) - { - error.SetErrorStringWithFormat ("unable to launch a GDB server on '%s'", GetHostname ()); + if (error.Fail() && debugserver_pid != LLDB_INVALID_PROCESS_ID) { + KillSpawnedProcess(debugserver_pid); } - else - { - if (target == NULL) - { - TargetSP new_target_sp; - - error = debugger.GetTargetList().CreateTarget (debugger, - NULL, - NULL, - false, - NULL, - new_target_sp); - target = new_target_sp.get(); - } - else - error.Clear(); - - if (target && error.Success()) - { - debugger.GetTargetList().SetSelectedTarget(target); - - // The darwin always currently uses the GDB remote debugger plug-in - // so even when debugging locally we are debugging remotely! - process_sp = target->CreateProcess (attach_info.GetListenerForProcess(debugger), "gdb-remote", NULL); - if (process_sp) - { - error = process_sp->ConnectRemote(nullptr, connect_url.c_str()); - if (error.Success()) - { - ListenerSP listener_sp = attach_info.GetHijackListener(); - if (listener_sp) - process_sp->HijackProcessEvents(listener_sp); - error = process_sp->Attach(attach_info); - } - - if (error.Fail() && debugserver_pid != LLDB_INVALID_PROCESS_ID) - { - KillSpawnedProcess(debugserver_pid); - } - } - } - } - } - else - { - error.SetErrorString("not connected to remote gdb server"); + } } + } + } else { + error.SetErrorString("not connected to remote gdb server"); } - return process_sp; + } + return process_sp; } -Error -PlatformRemoteGDBServer::MakeDirectory(const FileSpec &file_spec, uint32_t mode) -{ - Error error = m_gdb_client.MakeDirectory(file_spec, mode); - Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); - if (log) - log->Printf ("PlatformRemoteGDBServer::MakeDirectory(path='%s', mode=%o) error = %u (%s)", - file_spec.GetCString(), mode, error.GetError(), error.AsCString()); - return error; +Error PlatformRemoteGDBServer::MakeDirectory(const FileSpec &file_spec, + uint32_t mode) { + Error error = m_gdb_client.MakeDirectory(file_spec, mode); + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf("PlatformRemoteGDBServer::MakeDirectory(path='%s', mode=%o) " + "error = %u (%s)", + file_spec.GetCString(), mode, error.GetError(), + error.AsCString()); + return error; } - -Error -PlatformRemoteGDBServer::GetFilePermissions(const FileSpec &file_spec, - uint32_t &file_permissions) -{ - Error error = m_gdb_client.GetFilePermissions(file_spec, file_permissions); - Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); - if (log) - log->Printf ("PlatformRemoteGDBServer::GetFilePermissions(path='%s', file_permissions=%o) error = %u (%s)", - file_spec.GetCString(), file_permissions, error.GetError(), error.AsCString()); - return error; +Error PlatformRemoteGDBServer::GetFilePermissions(const FileSpec &file_spec, + uint32_t &file_permissions) { + Error error = m_gdb_client.GetFilePermissions(file_spec, file_permissions); + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf("PlatformRemoteGDBServer::GetFilePermissions(path='%s', " + "file_permissions=%o) error = %u (%s)", + file_spec.GetCString(), file_permissions, error.GetError(), + error.AsCString()); + return error; } -Error -PlatformRemoteGDBServer::SetFilePermissions(const FileSpec &file_spec, - uint32_t file_permissions) -{ - Error error = m_gdb_client.SetFilePermissions(file_spec, file_permissions); - Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); - if (log) - log->Printf ("PlatformRemoteGDBServer::SetFilePermissions(path='%s', file_permissions=%o) error = %u (%s)", - file_spec.GetCString(), file_permissions, error.GetError(), error.AsCString()); - return error; +Error PlatformRemoteGDBServer::SetFilePermissions(const FileSpec &file_spec, + uint32_t file_permissions) { + Error error = m_gdb_client.SetFilePermissions(file_spec, file_permissions); + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf("PlatformRemoteGDBServer::SetFilePermissions(path='%s', " + "file_permissions=%o) error = %u (%s)", + file_spec.GetCString(), file_permissions, error.GetError(), + error.AsCString()); + return error; } - -lldb::user_id_t -PlatformRemoteGDBServer::OpenFile (const FileSpec& file_spec, - uint32_t flags, - uint32_t mode, - Error &error) -{ - return m_gdb_client.OpenFile (file_spec, flags, mode, error); +lldb::user_id_t PlatformRemoteGDBServer::OpenFile(const FileSpec &file_spec, + uint32_t flags, uint32_t mode, + Error &error) { + return m_gdb_client.OpenFile(file_spec, flags, mode, error); } -bool -PlatformRemoteGDBServer::CloseFile (lldb::user_id_t fd, Error &error) -{ - return m_gdb_client.CloseFile (fd, error); +bool PlatformRemoteGDBServer::CloseFile(lldb::user_id_t fd, Error &error) { + return m_gdb_client.CloseFile(fd, error); } lldb::user_id_t -PlatformRemoteGDBServer::GetFileSize (const FileSpec& file_spec) -{ - return m_gdb_client.GetFileSize(file_spec); +PlatformRemoteGDBServer::GetFileSize(const FileSpec &file_spec) { + return m_gdb_client.GetFileSize(file_spec); } -uint64_t -PlatformRemoteGDBServer::ReadFile (lldb::user_id_t fd, - uint64_t offset, - void *dst, - uint64_t dst_len, - Error &error) -{ - return m_gdb_client.ReadFile (fd, offset, dst, dst_len, error); +uint64_t PlatformRemoteGDBServer::ReadFile(lldb::user_id_t fd, uint64_t offset, + void *dst, uint64_t dst_len, + Error &error) { + return m_gdb_client.ReadFile(fd, offset, dst, dst_len, error); } -uint64_t -PlatformRemoteGDBServer::WriteFile (lldb::user_id_t fd, - uint64_t offset, - const void* src, - uint64_t src_len, - Error &error) -{ - return m_gdb_client.WriteFile (fd, offset, src, src_len, error); +uint64_t PlatformRemoteGDBServer::WriteFile(lldb::user_id_t fd, uint64_t offset, + const void *src, uint64_t src_len, + Error &error) { + return m_gdb_client.WriteFile(fd, offset, src, src_len, error); } -Error -PlatformRemoteGDBServer::PutFile (const FileSpec& source, - const FileSpec& destination, - uint32_t uid, - uint32_t gid) -{ - return Platform::PutFile(source,destination,uid,gid); +Error PlatformRemoteGDBServer::PutFile(const FileSpec &source, + const FileSpec &destination, + uint32_t uid, uint32_t gid) { + return Platform::PutFile(source, destination, uid, gid); } -Error -PlatformRemoteGDBServer::CreateSymlink(const FileSpec &src, // The name of the link is in src - const FileSpec &dst) // The symlink points to dst +Error PlatformRemoteGDBServer::CreateSymlink( + const FileSpec &src, // The name of the link is in src + const FileSpec &dst) // The symlink points to dst { - Error error = m_gdb_client.CreateSymlink(src, dst); - Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); - if (log) - log->Printf ("PlatformRemoteGDBServer::CreateSymlink(src='%s', dst='%s') error = %u (%s)", - src.GetCString(), dst.GetCString(), error.GetError(), error.AsCString()); - return error; + Error error = m_gdb_client.CreateSymlink(src, dst); + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf("PlatformRemoteGDBServer::CreateSymlink(src='%s', dst='%s') " + "error = %u (%s)", + src.GetCString(), dst.GetCString(), error.GetError(), + error.AsCString()); + return error; } -Error -PlatformRemoteGDBServer::Unlink(const FileSpec &file_spec) -{ - Error error = m_gdb_client.Unlink(file_spec); - Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); - if (log) - log->Printf ("PlatformRemoteGDBServer::Unlink(path='%s') error = %u (%s)", +Error PlatformRemoteGDBServer::Unlink(const FileSpec &file_spec) { + Error error = m_gdb_client.Unlink(file_spec); + Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM); + if (log) + log->Printf("PlatformRemoteGDBServer::Unlink(path='%s') error = %u (%s)", file_spec.GetCString(), error.GetError(), error.AsCString()); - return error; + return error; } -bool -PlatformRemoteGDBServer::GetFileExists (const FileSpec& file_spec) -{ - return m_gdb_client.GetFileExists (file_spec); +bool PlatformRemoteGDBServer::GetFileExists(const FileSpec &file_spec) { + return m_gdb_client.GetFileExists(file_spec); } -Error -PlatformRemoteGDBServer::RunShellCommand(const char *command, // Shouldn't be NULL - const FileSpec &working_dir, // Pass empty FileSpec 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 +Error PlatformRemoteGDBServer::RunShellCommand( + const char *command, // Shouldn't be NULL + const FileSpec & + working_dir, // Pass empty FileSpec 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 { - return m_gdb_client.RunShellCommand(command, working_dir, status_ptr, signo_ptr, command_output, timeout_sec); + return m_gdb_client.RunShellCommand(command, working_dir, status_ptr, + signo_ptr, command_output, timeout_sec); } -void -PlatformRemoteGDBServer::CalculateTrapHandlerSymbolNames () -{ - m_trap_handlers.push_back (ConstString ("_sigtramp")); +void PlatformRemoteGDBServer::CalculateTrapHandlerSymbolNames() { + m_trap_handlers.push_back(ConstString("_sigtramp")); } -const UnixSignalsSP & -PlatformRemoteGDBServer::GetRemoteUnixSignals() -{ - if (!IsConnected()) - return Platform::GetRemoteUnixSignals(); - - if (m_remote_signals_sp) - return m_remote_signals_sp; - - // If packet not implemented or JSON failed to parse, - // we'll guess the signal set based on the remote architecture. - m_remote_signals_sp = UnixSignals::Create(GetRemoteSystemArchitecture()); - - const char packet[] = "jSignalsInfo"; - StringExtractorGDBRemote response; - auto result = m_gdb_client.SendPacketAndWaitForResponse( - packet, strlen(packet), response, false); - - if (result != decltype(result)::Success || - response.GetResponseType() != response.eResponse) - return m_remote_signals_sp; - - auto object_sp = StructuredData::ParseJSON(response.GetStringRef()); - if (!object_sp || !object_sp->IsValid()) - return m_remote_signals_sp; - - auto array_sp = object_sp->GetAsArray(); - if (!array_sp || !array_sp->IsValid()) - return m_remote_signals_sp; - - auto remote_signals_sp = std::make_shared<lldb_private::GDBRemoteSignals>(); - - bool done = array_sp->ForEach( - [&remote_signals_sp](StructuredData::Object *object) -> bool - { - if (!object || !object->IsValid()) - return false; - - auto dict = object->GetAsDictionary(); - if (!dict || !dict->IsValid()) - return false; - - // Signal number and signal name are required. - int signo; - if (!dict->GetValueForKeyAsInteger("signo", signo)) - return false; - - std::string name; - if (!dict->GetValueForKeyAsString("name", name)) - return false; - - // We can live without short_name, description, etc. - bool suppress{false}; - auto object_sp = dict->GetValueForKey("suppress"); - if (object_sp && object_sp->IsValid()) - suppress = object_sp->GetBooleanValue(); - - bool stop{false}; - object_sp = dict->GetValueForKey("stop"); - if (object_sp && object_sp->IsValid()) - stop = object_sp->GetBooleanValue(); - - bool notify{false}; - object_sp = dict->GetValueForKey("notify"); - if (object_sp && object_sp->IsValid()) - notify = object_sp->GetBooleanValue(); - - std::string description{""}; - object_sp = dict->GetValueForKey("description"); - if (object_sp && object_sp->IsValid()) - description = object_sp->GetStringValue(); - - remote_signals_sp->AddSignal(signo, - name.c_str(), - suppress, stop, notify, - description.c_str()); - return true; - }); - - if (done) - m_remote_signals_sp = std::move(remote_signals_sp); +const UnixSignalsSP &PlatformRemoteGDBServer::GetRemoteUnixSignals() { + if (!IsConnected()) + return Platform::GetRemoteUnixSignals(); + if (m_remote_signals_sp) return m_remote_signals_sp; -} -std::string -PlatformRemoteGDBServer::MakeGdbServerUrl(const std::string &platform_scheme, - const std::string &platform_hostname, - uint16_t port, - const char* socket_name) -{ - const char *override_scheme = getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_SCHEME"); - const char *override_hostname = getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_HOSTNAME"); - const char *port_offset_c_str = getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_PORT_OFFSET"); - int port_offset = port_offset_c_str ? ::atoi(port_offset_c_str) : 0; - - return MakeUrl(override_scheme ? override_scheme : platform_scheme.c_str(), - override_hostname ? override_hostname : platform_hostname.c_str(), - port + port_offset, - socket_name); -} + // If packet not implemented or JSON failed to parse, + // we'll guess the signal set based on the remote architecture. + m_remote_signals_sp = UnixSignals::Create(GetRemoteSystemArchitecture()); -std::string -PlatformRemoteGDBServer::MakeUrl(const char* scheme, - const char* hostname, - uint16_t port, - const char* path) -{ - StreamString result; - result.Printf("%s://%s", scheme, hostname); - if (port != 0) - result.Printf(":%u", port); - if (path) - result.Write(path, strlen(path)); - return result.GetString(); -} + const char packet[] = "jSignalsInfo"; + StringExtractorGDBRemote response; + auto result = m_gdb_client.SendPacketAndWaitForResponse( + packet, strlen(packet), response, false); -lldb::ProcessSP -PlatformRemoteGDBServer::ConnectProcess(const char* connect_url, - const char* plugin_name, - lldb_private::Debugger &debugger, - lldb_private::Target *target, - lldb_private::Error &error) -{ - if (!IsRemote() || !IsConnected()) - { - error.SetErrorString("Not connected to remote gdb server"); - return nullptr; - } - return Platform::ConnectProcess(connect_url, plugin_name, debugger, target, error); -} + if (result != decltype(result)::Success || + response.GetResponseType() != response.eResponse) + return m_remote_signals_sp; -size_t -PlatformRemoteGDBServer::ConnectToWaitingProcesses(Debugger& debugger, Error& error) -{ - std::vector<std::string> connection_urls; - GetPendingGdbServerList(connection_urls); - - for (size_t i = 0; i < connection_urls.size(); ++i) - { - ConnectProcess(connection_urls[i].c_str(), nullptr, debugger, nullptr, error); - if (error.Fail()) - return i; // We already connected to i process succsessfully - } - return connection_urls.size(); + auto object_sp = StructuredData::ParseJSON(response.GetStringRef()); + if (!object_sp || !object_sp->IsValid()) + return m_remote_signals_sp; -} + auto array_sp = object_sp->GetAsArray(); + if (!array_sp || !array_sp->IsValid()) + return m_remote_signals_sp; -size_t -PlatformRemoteGDBServer::GetPendingGdbServerList(std::vector<std::string>& connection_urls) -{ - std::vector<std::pair<uint16_t, std::string>> remote_servers; - m_gdb_client.QueryGDBServer(remote_servers); - for (const auto& gdbserver : remote_servers) - { - const char* socket_name_cstr = gdbserver.second.empty() ? nullptr : gdbserver.second.c_str(); - connection_urls.emplace_back(MakeGdbServerUrl(m_platform_scheme, - m_platform_hostname, - gdbserver.first, - socket_name_cstr)); - } - return connection_urls.size(); + auto remote_signals_sp = std::make_shared<lldb_private::GDBRemoteSignals>(); + + bool done = array_sp->ForEach( + [&remote_signals_sp](StructuredData::Object *object) -> bool { + if (!object || !object->IsValid()) + return false; + + auto dict = object->GetAsDictionary(); + if (!dict || !dict->IsValid()) + return false; + + // Signal number and signal name are required. + int signo; + if (!dict->GetValueForKeyAsInteger("signo", signo)) + return false; + + std::string name; + if (!dict->GetValueForKeyAsString("name", name)) + return false; + + // We can live without short_name, description, etc. + bool suppress{false}; + auto object_sp = dict->GetValueForKey("suppress"); + if (object_sp && object_sp->IsValid()) + suppress = object_sp->GetBooleanValue(); + + bool stop{false}; + object_sp = dict->GetValueForKey("stop"); + if (object_sp && object_sp->IsValid()) + stop = object_sp->GetBooleanValue(); + + bool notify{false}; + object_sp = dict->GetValueForKey("notify"); + if (object_sp && object_sp->IsValid()) + notify = object_sp->GetBooleanValue(); + + std::string description{""}; + object_sp = dict->GetValueForKey("description"); + if (object_sp && object_sp->IsValid()) + description = object_sp->GetStringValue(); + + remote_signals_sp->AddSignal(signo, name.c_str(), suppress, stop, + notify, description.c_str()); + return true; + }); + + if (done) + m_remote_signals_sp = std::move(remote_signals_sp); + + return m_remote_signals_sp; +} + +std::string PlatformRemoteGDBServer::MakeGdbServerUrl( + const std::string &platform_scheme, const std::string &platform_hostname, + uint16_t port, const char *socket_name) { + const char *override_scheme = + getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_SCHEME"); + const char *override_hostname = + getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_HOSTNAME"); + const char *port_offset_c_str = + getenv("LLDB_PLATFORM_REMOTE_GDB_SERVER_PORT_OFFSET"); + int port_offset = port_offset_c_str ? ::atoi(port_offset_c_str) : 0; + + return MakeUrl(override_scheme ? override_scheme : platform_scheme.c_str(), + override_hostname ? override_hostname + : platform_hostname.c_str(), + port + port_offset, socket_name); +} + +std::string PlatformRemoteGDBServer::MakeUrl(const char *scheme, + const char *hostname, + uint16_t port, const char *path) { + StreamString result; + result.Printf("%s://%s", scheme, hostname); + if (port != 0) + result.Printf(":%u", port); + if (path) + result.Write(path, strlen(path)); + return result.GetString(); +} + +lldb::ProcessSP PlatformRemoteGDBServer::ConnectProcess( + const char *connect_url, const char *plugin_name, + lldb_private::Debugger &debugger, lldb_private::Target *target, + lldb_private::Error &error) { + if (!IsRemote() || !IsConnected()) { + error.SetErrorString("Not connected to remote gdb server"); + return nullptr; + } + return Platform::ConnectProcess(connect_url, plugin_name, debugger, target, + error); +} + +size_t PlatformRemoteGDBServer::ConnectToWaitingProcesses(Debugger &debugger, + Error &error) { + std::vector<std::string> connection_urls; + GetPendingGdbServerList(connection_urls); + + for (size_t i = 0; i < connection_urls.size(); ++i) { + ConnectProcess(connection_urls[i].c_str(), nullptr, debugger, nullptr, + error); + if (error.Fail()) + return i; // We already connected to i process succsessfully + } + return connection_urls.size(); +} + +size_t PlatformRemoteGDBServer::GetPendingGdbServerList( + std::vector<std::string> &connection_urls) { + std::vector<std::pair<uint16_t, std::string>> remote_servers; + m_gdb_client.QueryGDBServer(remote_servers); + for (const auto &gdbserver : remote_servers) { + const char *socket_name_cstr = + gdbserver.second.empty() ? nullptr : gdbserver.second.c_str(); + connection_urls.emplace_back( + MakeGdbServerUrl(m_platform_scheme, m_platform_hostname, + gdbserver.first, socket_name_cstr)); + } + return connection_urls.size(); } |
