示例#1
0
文件: Host.cpp 项目: fbsd/old_lldb
lldb::TargetSP
Host::GetDummyTarget (lldb_private::Debugger &debugger)
{
    static TargetSP dummy_target;
    
    if (!dummy_target)
    {
        Error err = debugger.GetTargetList().CreateTarget(debugger, 
                                                          FileSpec(), 
                                                          Host::GetTargetTriple().AsCString(), 
                                                          false, 
                                                          NULL, 
                                                          dummy_target);
    }
    
    return dummy_target;
}
示例#2
0
文件: Host.cpp 项目: chee-z/lldb
lldb::TargetSP
Host::GetDummyTarget (lldb_private::Debugger &debugger)
{
    static TargetSP g_dummy_target_sp;

    // FIXME: Maybe the dummy target should be per-Debugger
    if (!g_dummy_target_sp || !g_dummy_target_sp->IsValid())
    {
        ArchSpec arch(Target::GetDefaultArchitecture());
        if (!arch.IsValid())
            arch = HostInfo::GetArchitecture();
        Error err = debugger.GetTargetList().CreateTarget(debugger, 
                                                          NULL,
                                                          arch.GetTriple().getTriple().c_str(),
                                                          false, 
                                                          NULL, 
                                                          g_dummy_target_sp);
    }

    return g_dummy_target_sp;
}
lldb::ProcessSP
PlatformRemoteGDBServer::DebugProcess (lldb_private::ProcessLaunchInfo &launch_info,
                                       lldb_private::Debugger &debugger,
                                       lldb_private::Target *target,       // Can be NULL, if NULL create a new target, else use existing one
                                       lldb_private::Listener &listener,
                                       lldb_private::Error &error)
{
    lldb::ProcessSP process_sp;
    if (IsRemote())
    {
        if (IsConnected())
        {
            lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID;
            ArchSpec remote_arch = GetRemoteSystemArchitecture();
            llvm::Triple &remote_triple = remote_arch.GetTriple();
            uint16_t port = 0;
            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
                port = m_gdb_client.LaunchGDBserverAndGetPort(debugserver_pid, "127.0.0.1");
            }
            else
            {
                // All other hosts should use their actual hostname
                port = m_gdb_client.LaunchGDBserverAndGetPort(debugserver_pid, NULL);
            }
            
            if (port == 0)
            {
                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 (listener, "gdb-remote", NULL);
                    
                    if (process_sp)
                    {
                        char connect_url[256];
                        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;
                        const int connect_url_len = ::snprintf (connect_url,
                                                                sizeof(connect_url),
                                                                "connect://%s:%u",
                                                                override_hostname ? override_hostname : GetHostname (),
                                                                port + port_offset);
                        assert (connect_url_len < (int)sizeof(connect_url));
                        error = process_sp->ConnectRemote (NULL, connect_url);
                        if (error.Success())
                            error = process_sp->Launch(launch_info);
                        else if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
                            m_gdb_client.KillSpawnedProcess(debugserver_pid);
                    }
                }
            }
        }
        else
        {
            error.SetErrorString("not connected to remote gdb server");
        }
    }
    return process_sp;
    
}