| //===-- PlatformRemoteGDBServer.cpp -----------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "PlatformRemoteGDBServer.h" |
| |
| // C Includes |
| #include <sys/sysctl.h> |
| |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Breakpoint/BreakpointLocation.h" |
| #include "lldb/Core/ConnectionFileDescriptor.h" |
| #include "lldb/Core/Error.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleList.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Core/StreamString.h" |
| #include "lldb/Host/FileSpec.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| static bool g_initialized = false; |
| |
| void |
| PlatformRemoteGDBServer::Initialize () |
| { |
| if (g_initialized == false) |
| { |
| g_initialized = true; |
| PluginManager::RegisterPlugin (PlatformRemoteGDBServer::GetShortPluginNameStatic(), |
| PlatformRemoteGDBServer::GetDescriptionStatic(), |
| PlatformRemoteGDBServer::CreateInstance); |
| } |
| } |
| |
| void |
| PlatformRemoteGDBServer::Terminate () |
| { |
| if (g_initialized) |
| { |
| g_initialized = false; |
| PluginManager::UnregisterPlugin (PlatformRemoteGDBServer::CreateInstance); |
| } |
| } |
| |
| Platform* |
| PlatformRemoteGDBServer::CreateInstance () |
| { |
| return new PlatformRemoteGDBServer (); |
| } |
| |
| const char * |
| PlatformRemoteGDBServer::GetShortPluginNameStatic() |
| { |
| return "remote-gdb-server"; |
| } |
| |
| 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 |
| } |
| } |
| |
| if (!m_platform_description.empty()) |
| return m_platform_description.c_str(); |
| return GetDescriptionStatic(); |
| } |
| |
| Error |
| PlatformRemoteGDBServer::ResolveExecutable (const FileSpec &exe_file, |
| const ArchSpec &exe_arch, |
| lldb::ModuleSP &exe_module_sp) |
| { |
| Error error; |
| error.SetErrorString ("PlatformRemoteGDBServer::ResolveExecutable() is unimplemented"); |
| return error; |
| } |
| |
| Error |
| PlatformRemoteGDBServer::GetFile (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 |
| { |
| } |
| |
| //------------------------------------------------------------------ |
| /// Destructor. |
| /// |
| /// 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) |
| { |
| 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::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(); |
| } |
| |
| 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) |
| { |
| const char *url = args.GetArgumentAtIndex(0); |
| m_gdb_client.SetConnection (new ConnectionFileDescriptor()); |
| const ConnectionStatus status = m_gdb_client.Connect(url, &error); |
| if (status == eConnectionStatusSuccess) |
| { |
| if (m_gdb_client.HandshakeWithServer(&error)) |
| { |
| m_gdb_client.QueryNoAckModeSupported(); |
| m_gdb_client.GetHostInfo(); |
| } |
| else |
| { |
| m_gdb_client.Disconnect(); |
| } |
| } |
| } |
| else |
| { |
| error.SetErrorString ("\"platform connect\" takes a single argument: <connect-url>"); |
| } |
| } |
| |
| return error; |
| } |
| |
| Error |
| PlatformRemoteGDBServer::DisconnectRemote () |
| { |
| Error error; |
| m_gdb_client.Disconnect(&error); |
| 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 |
| 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 ProcessInfoMatch &match_info, |
| ProcessInfoList &process_infos) |
| { |
| return m_gdb_client.FindProcesses (match_info, process_infos); |
| } |
| |
| bool |
| PlatformRemoteGDBServer::GetProcessInfo (lldb::pid_t pid, ProcessInfo &process_info) |
| { |
| return m_gdb_client.GetProcessInfo (pid, process_info); |
| } |
| |
| |
| |