diff options
Diffstat (limited to 'source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp')
| -rw-r--r-- | source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp | 1341 | 
1 files changed, 1341 insertions, 0 deletions
| diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp new file mode 100644 index 0000000000000..698854e5dfbd7 --- /dev/null +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp @@ -0,0 +1,1341 @@ +//===-- GDBRemoteCommunicationServerCommon.cpp ------------------*- C++ -*-===// +// +//                     The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "GDBRemoteCommunicationServerCommon.h" + +#include <errno.h> + +// C Includes +// C++ Includes +#include <cstring> +#include <chrono> + +// Other libraries and framework includes +#include "llvm/ADT/Triple.h" +#include "lldb/Core/Log.h" +#include "lldb/Core/ModuleSpec.h" +#include "lldb/Core/StreamGDBRemote.h" +#include "lldb/Core/StreamString.h" +#include "lldb/Host/Config.h" +#include "lldb/Host/Endian.h" +#include "lldb/Host/File.h" +#include "lldb/Host/FileSystem.h" +#include "lldb/Host/Host.h" +#include "lldb/Host/HostInfo.h" +#include "lldb/Host/StringConvert.h" +#include "lldb/Interpreter/Args.h" +#include "lldb/Symbol/ObjectFile.h" +#include "lldb/Target/FileAction.h" +#include "lldb/Target/Platform.h" +#include "lldb/Target/Process.h" + +// Project includes +#include "ProcessGDBRemoteLog.h" +#include "Utility/StringExtractorGDBRemote.h" + +#ifdef __ANDROID__ +#include "lldb/Host/android/HostInfoAndroid.h" +#endif + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::process_gdb_remote; + +#ifdef __ANDROID__ +    const static uint32_t g_default_packet_timeout_sec = 20; // seconds +#else +    const static uint32_t g_default_packet_timeout_sec = 0; // not specified +#endif + +//---------------------------------------------------------------------- +// GDBRemoteCommunicationServerCommon constructor +//---------------------------------------------------------------------- +GDBRemoteCommunicationServerCommon::GDBRemoteCommunicationServerCommon(const char *comm_name, const char *listener_name) : +    GDBRemoteCommunicationServer (comm_name, listener_name), +    m_spawned_pids (), +    m_spawned_pids_mutex (Mutex::eMutexTypeRecursive), +    m_process_launch_info (), +    m_process_launch_error (), +    m_proc_infos (), +    m_proc_infos_index (0), +    m_thread_suffix_supported (false), +    m_list_threads_in_stop_reply (false) +{ +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_A, +                                  &GDBRemoteCommunicationServerCommon::Handle_A); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QEnvironment, +                                  &GDBRemoteCommunicationServerCommon::Handle_QEnvironment); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QEnvironmentHexEncoded, +                                  &GDBRemoteCommunicationServerCommon::Handle_QEnvironmentHexEncoded); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qfProcessInfo, +                                  &GDBRemoteCommunicationServerCommon::Handle_qfProcessInfo); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qGroupName, +                                  &GDBRemoteCommunicationServerCommon::Handle_qGroupName); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qHostInfo, +                                  &GDBRemoteCommunicationServerCommon::Handle_qHostInfo); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qKillSpawnedProcess, +                                  &GDBRemoteCommunicationServerCommon::Handle_qKillSpawnedProcess); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QLaunchArch, +                                  &GDBRemoteCommunicationServerCommon::Handle_QLaunchArch); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qLaunchSuccess, +                                  &GDBRemoteCommunicationServerCommon::Handle_qLaunchSuccess); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QListThreadsInStopReply, +                                  &GDBRemoteCommunicationServerCommon::Handle_QListThreadsInStopReply); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qEcho, +                                  &GDBRemoteCommunicationServerCommon::Handle_qEcho); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qModuleInfo, +                                  &GDBRemoteCommunicationServerCommon::Handle_qModuleInfo); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qPlatform_chmod, +                                  &GDBRemoteCommunicationServerCommon::Handle_qPlatform_chmod); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qPlatform_mkdir, +                                  &GDBRemoteCommunicationServerCommon::Handle_qPlatform_mkdir); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qPlatform_shell, +                                  &GDBRemoteCommunicationServerCommon::Handle_qPlatform_shell); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qProcessInfoPID, +                                  &GDBRemoteCommunicationServerCommon::Handle_qProcessInfoPID); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetDetachOnError, +                                  &GDBRemoteCommunicationServerCommon::Handle_QSetDetachOnError); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetSTDERR, +                                  &GDBRemoteCommunicationServerCommon::Handle_QSetSTDERR); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetSTDIN, +                                  &GDBRemoteCommunicationServerCommon::Handle_QSetSTDIN); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QSetSTDOUT, +                                  &GDBRemoteCommunicationServerCommon::Handle_QSetSTDOUT); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qSpeedTest, +                                  &GDBRemoteCommunicationServerCommon::Handle_qSpeedTest); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qsProcessInfo, +                                  &GDBRemoteCommunicationServerCommon::Handle_qsProcessInfo); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QStartNoAckMode, +                                  &GDBRemoteCommunicationServerCommon::Handle_QStartNoAckMode); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qSupported, +                                  &GDBRemoteCommunicationServerCommon::Handle_qSupported); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_QThreadSuffixSupported, +                                  &GDBRemoteCommunicationServerCommon::Handle_QThreadSuffixSupported); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_qUserName, +                                  &GDBRemoteCommunicationServerCommon::Handle_qUserName); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_close, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_Close); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_exists, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_Exists); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_md5, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_MD5); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_mode, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_Mode); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_open, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_Open); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_pread, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_pRead); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_pwrite, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_size, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_Size); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_stat, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_Stat); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_symlink, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_symlink); +    RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_vFile_unlink, +                                  &GDBRemoteCommunicationServerCommon::Handle_vFile_unlink); +} + +//---------------------------------------------------------------------- +// Destructor +//---------------------------------------------------------------------- +GDBRemoteCommunicationServerCommon::~GDBRemoteCommunicationServerCommon() +{ +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qHostInfo (StringExtractorGDBRemote &packet) +{ +    StreamString response; + +    // $cputype:16777223;cpusubtype:3;ostype:Darwin;vendor:apple;endian:little;ptrsize:8;#00 + +    ArchSpec host_arch(HostInfo::GetArchitecture()); +    const llvm::Triple &host_triple = host_arch.GetTriple(); +    response.PutCString("triple:"); +    response.PutCStringAsRawHex8(host_triple.getTriple().c_str()); +    response.Printf (";ptrsize:%u;",host_arch.GetAddressByteSize()); + +    const char* distribution_id = host_arch.GetDistributionId ().AsCString (); +    if (distribution_id) +    { +        response.PutCString("distribution_id:"); +        response.PutCStringAsRawHex8(distribution_id); +        response.PutCString(";"); +    } + +    // Only send out MachO info when lldb-platform/llgs is running on a MachO host. +#if defined(__APPLE__) +    uint32_t cpu = host_arch.GetMachOCPUType(); +    uint32_t sub = host_arch.GetMachOCPUSubType(); +    if (cpu != LLDB_INVALID_CPUTYPE) +        response.Printf ("cputype:%u;", cpu); +    if (sub != LLDB_INVALID_CPUTYPE) +        response.Printf ("cpusubtype:%u;", sub); + +    if (cpu == ArchSpec::kCore_arm_any) +        response.Printf("watchpoint_exceptions_received:before;");   // On armv7 we use "synchronous" watchpoints which means the exception is delivered before the instruction executes. +    else +        response.Printf("watchpoint_exceptions_received:after;"); +#else +    if (host_arch.GetMachine() == llvm::Triple::mips64 || +        host_arch.GetMachine() == llvm::Triple::mips64el) +        response.Printf("watchpoint_exceptions_received:before;"); +    else +        response.Printf("watchpoint_exceptions_received:after;"); +#endif + +    switch (lldb::endian::InlHostByteOrder()) +    { +    case eByteOrderBig:     response.PutCString ("endian:big;"); break; +    case eByteOrderLittle:  response.PutCString ("endian:little;"); break; +    case eByteOrderPDP:     response.PutCString ("endian:pdp;"); break; +    default:                response.PutCString ("endian:unknown;"); break; +    } + +    uint32_t major = UINT32_MAX; +    uint32_t minor = UINT32_MAX; +    uint32_t update = UINT32_MAX; +    if (HostInfo::GetOSVersion(major, minor, update)) +    { +        if (major != UINT32_MAX) +        { +            response.Printf("os_version:%u", major); +            if (minor != UINT32_MAX) +            { +                response.Printf(".%u", minor); +                if (update != UINT32_MAX) +                    response.Printf(".%u", update); +            } +            response.PutChar(';'); +        } +    } + +    std::string s; +    if (HostInfo::GetOSBuildString(s)) +    { +        response.PutCString ("os_build:"); +        response.PutCStringAsRawHex8(s.c_str()); +        response.PutChar(';'); +    } +    if (HostInfo::GetOSKernelDescription(s)) +    { +        response.PutCString ("os_kernel:"); +        response.PutCStringAsRawHex8(s.c_str()); +        response.PutChar(';'); +    } + +#if defined(__APPLE__) + +#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__) +    // For iOS devices, we are connected through a USB Mux so we never pretend +    // to actually have a hostname as far as the remote lldb that is connecting +    // to this lldb-platform is concerned +    response.PutCString ("hostname:"); +    response.PutCStringAsRawHex8("127.0.0.1"); +    response.PutChar(';'); +#else   // #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__) +    if (HostInfo::GetHostname(s)) +    { +        response.PutCString ("hostname:"); +        response.PutCStringAsRawHex8(s.c_str()); +        response.PutChar(';'); +    } +#endif  // #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__) + +#else   // #if defined(__APPLE__) +    if (HostInfo::GetHostname(s)) +    { +        response.PutCString ("hostname:"); +        response.PutCStringAsRawHex8(s.c_str()); +        response.PutChar(';'); +    } +#endif  // #if defined(__APPLE__) + +    if (g_default_packet_timeout_sec > 0) +        response.Printf ("default_packet_timeout:%u;", g_default_packet_timeout_sec); + +    return SendPacketNoLock (response.GetData(), response.GetSize()); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qProcessInfoPID (StringExtractorGDBRemote &packet) +{ +    // Packet format: "qProcessInfoPID:%i" where %i is the pid +    packet.SetFilePos (::strlen ("qProcessInfoPID:")); +    lldb::pid_t pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID); +    if (pid != LLDB_INVALID_PROCESS_ID) +    { +        ProcessInstanceInfo proc_info; +        if (Host::GetProcessInfo (pid, proc_info)) +        { +            StreamString response; +            CreateProcessInfoResponse (proc_info, response); +            return SendPacketNoLock (response.GetData(), response.GetSize()); +        } +    } +    return SendErrorResponse (1); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qfProcessInfo (StringExtractorGDBRemote &packet) +{ +    m_proc_infos_index = 0; +    m_proc_infos.Clear(); + +    ProcessInstanceInfoMatch match_info; +    packet.SetFilePos(::strlen ("qfProcessInfo")); +    if (packet.GetChar() == ':') +    { + +        std::string key; +        std::string value; +        while (packet.GetNameColonValue(key, value)) +        { +            bool success = true; +            if (key.compare("name") == 0) +            { +                StringExtractor extractor; +                extractor.GetStringRef().swap(value); +                extractor.GetHexByteString (value); +                match_info.GetProcessInfo().GetExecutableFile().SetFile(value.c_str(), false); +            } +            else if (key.compare("name_match") == 0) +            { +                if (value.compare("equals") == 0) +                { +                    match_info.SetNameMatchType (eNameMatchEquals); +                } +                else if (value.compare("starts_with") == 0) +                { +                    match_info.SetNameMatchType (eNameMatchStartsWith); +                } +                else if (value.compare("ends_with") == 0) +                { +                    match_info.SetNameMatchType (eNameMatchEndsWith); +                } +                else if (value.compare("contains") == 0) +                { +                    match_info.SetNameMatchType (eNameMatchContains); +                } +                else if (value.compare("regex") == 0) +                { +                    match_info.SetNameMatchType (eNameMatchRegularExpression); +                } +                else +                { +                    success = false; +                } +            } +            else if (key.compare("pid") == 0) +            { +                match_info.GetProcessInfo().SetProcessID (StringConvert::ToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success)); +            } +            else if (key.compare("parent_pid") == 0) +            { +                match_info.GetProcessInfo().SetParentProcessID (StringConvert::ToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success)); +            } +            else if (key.compare("uid") == 0) +            { +                match_info.GetProcessInfo().SetUserID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success)); +            } +            else if (key.compare("gid") == 0) +            { +                match_info.GetProcessInfo().SetGroupID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success)); +            } +            else if (key.compare("euid") == 0) +            { +                match_info.GetProcessInfo().SetEffectiveUserID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success)); +            } +            else if (key.compare("egid") == 0) +            { +                match_info.GetProcessInfo().SetEffectiveGroupID (StringConvert::ToUInt32(value.c_str(), UINT32_MAX, 0, &success)); +            } +            else if (key.compare("all_users") == 0) +            { +                match_info.SetMatchAllUsers(Args::StringToBoolean(value.c_str(), false, &success)); +            } +            else if (key.compare("triple") == 0) +            { +                match_info.GetProcessInfo().GetArchitecture().SetTriple (value.c_str(), NULL); +            } +            else +            { +                success = false; +            } + +            if (!success) +                return SendErrorResponse (2); +        } +    } + +    if (Host::FindProcesses (match_info, m_proc_infos)) +    { +        // We found something, return the first item by calling the get +        // subsequent process info packet handler... +        return Handle_qsProcessInfo (packet); +    } +    return SendErrorResponse (3); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qsProcessInfo (StringExtractorGDBRemote &packet) +{ +    if (m_proc_infos_index < m_proc_infos.GetSize()) +    { +        StreamString response; +        CreateProcessInfoResponse (m_proc_infos.GetProcessInfoAtIndex(m_proc_infos_index), response); +        ++m_proc_infos_index; +        return SendPacketNoLock (response.GetData(), response.GetSize()); +    } +    return SendErrorResponse (4); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qUserName (StringExtractorGDBRemote &packet) +{ +#if !defined(LLDB_DISABLE_POSIX) +    Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); +    if (log) +        log->Printf("GDBRemoteCommunicationServerCommon::%s begin", __FUNCTION__); + +    // Packet format: "qUserName:%i" where %i is the uid +    packet.SetFilePos(::strlen ("qUserName:")); +    uint32_t uid = packet.GetU32 (UINT32_MAX); +    if (uid != UINT32_MAX) +    { +        std::string name; +        if (HostInfo::LookupUserName(uid, name)) +        { +            StreamString response; +            response.PutCStringAsRawHex8 (name.c_str()); +            return SendPacketNoLock (response.GetData(), response.GetSize()); +        } +    } +    if (log) +        log->Printf("GDBRemoteCommunicationServerCommon::%s end", __FUNCTION__); +#endif +    return SendErrorResponse (5); + +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qGroupName (StringExtractorGDBRemote &packet) +{ +#if !defined(LLDB_DISABLE_POSIX) +    // Packet format: "qGroupName:%i" where %i is the gid +    packet.SetFilePos(::strlen ("qGroupName:")); +    uint32_t gid = packet.GetU32 (UINT32_MAX); +    if (gid != UINT32_MAX) +    { +        std::string name; +        if (HostInfo::LookupGroupName(gid, name)) +        { +            StreamString response; +            response.PutCStringAsRawHex8 (name.c_str()); +            return SendPacketNoLock (response.GetData(), response.GetSize()); +        } +    } +#endif +    return SendErrorResponse (6); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qSpeedTest (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("qSpeedTest:")); + +    std::string key; +    std::string value; +    bool success = packet.GetNameColonValue(key, value); +    if (success && key.compare("response_size") == 0) +    { +        uint32_t response_size = StringConvert::ToUInt32(value.c_str(), 0, 0, &success); +        if (success) +        { +            if (response_size == 0) +                return SendOKResponse(); +            StreamString response; +            uint32_t bytes_left = response_size; +            response.PutCString("data:"); +            while (bytes_left > 0) +            { +                if (bytes_left >= 26) +                { +                    response.PutCString("ABCDEFGHIJKLMNOPQRSTUVWXYZ"); +                    bytes_left -= 26; +                } +                else +                { +                    response.Printf ("%*.*s;", bytes_left, bytes_left, "ABCDEFGHIJKLMNOPQRSTUVWXYZ"); +                    bytes_left = 0; +                } +            } +            return SendPacketNoLock (response.GetData(), response.GetSize()); +        } +    } +    return SendErrorResponse (7); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qKillSpawnedProcess (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("qKillSpawnedProcess:")); + +    lldb::pid_t pid = packet.GetU64(LLDB_INVALID_PROCESS_ID); + +    // verify that we know anything about this pid. +    // Scope for locker +    { +        Mutex::Locker locker (m_spawned_pids_mutex); +        if (m_spawned_pids.find(pid) == m_spawned_pids.end()) +        { +            // not a pid we know about +            return SendErrorResponse (10); +        } +    } + +    // go ahead and attempt to kill the spawned process +    if (KillSpawnedProcess (pid)) +        return SendOKResponse (); +    else +        return SendErrorResponse (11); +} + +bool +GDBRemoteCommunicationServerCommon::KillSpawnedProcess (lldb::pid_t pid) +{ +    // make sure we know about this process +    { +        Mutex::Locker locker (m_spawned_pids_mutex); +        if (m_spawned_pids.find(pid) == m_spawned_pids.end()) +            return false; +    } + +    // first try a SIGTERM (standard kill) +    Host::Kill (pid, SIGTERM); + +    // check if that worked +    for (size_t i=0; i<10; ++i) +    { +        { +            Mutex::Locker locker (m_spawned_pids_mutex); +            if (m_spawned_pids.find(pid) == m_spawned_pids.end()) +            { +                // it is now killed +                return true; +            } +        } +        usleep (10000); +    } + +    // check one more time after the final usleep +    { +        Mutex::Locker locker (m_spawned_pids_mutex); +        if (m_spawned_pids.find(pid) == m_spawned_pids.end()) +            return true; +    } + +    // the launched process still lives.  Now try killing it again, +    // this time with an unblockable signal. +    Host::Kill (pid, SIGKILL); + +    for (size_t i=0; i<10; ++i) +    { +        { +            Mutex::Locker locker (m_spawned_pids_mutex); +            if (m_spawned_pids.find(pid) == m_spawned_pids.end()) +            { +                // it is now killed +                return true; +            } +        } +        usleep (10000); +    } + +    // check one more time after the final usleep +    // Scope for locker +    { +        Mutex::Locker locker (m_spawned_pids_mutex); +        if (m_spawned_pids.find(pid) == m_spawned_pids.end()) +            return true; +    } + +    // no luck - the process still lives +    return false; +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_Open (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("vFile:open:")); +    std::string path; +    packet.GetHexByteStringTerminatedBy(path,','); +    if (!path.empty()) +    { +        if (packet.GetChar() == ',') +        { +            uint32_t flags = File::ConvertOpenOptionsForPOSIXOpen( +                packet.GetHexMaxU32(false, 0)); +            if (packet.GetChar() == ',') +            { +                mode_t mode = packet.GetHexMaxU32(false, 0600); +                Error error; +                const FileSpec path_spec{path, true}; +                int fd = ::open(path_spec.GetCString(), flags, mode); +                const int save_errno = fd == -1 ? errno : 0; +                StreamString response; +                response.PutChar('F'); +                response.Printf("%i", fd); +                if (save_errno) +                    response.Printf(",%i", save_errno); +                return SendPacketNoLock(response.GetData(), response.GetSize()); +            } +        } +    } +    return SendErrorResponse(18); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_Close (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("vFile:close:")); +    int fd = packet.GetS32(-1); +    Error error; +    int err = -1; +    int save_errno = 0; +    if (fd >= 0) +    { +        err = close(fd); +        save_errno = err == -1 ? errno : 0; +    } +    else +    { +        save_errno = EINVAL; +    } +    StreamString response; +    response.PutChar('F'); +    response.Printf("%i", err); +    if (save_errno) +        response.Printf(",%i", save_errno); +    return SendPacketNoLock(response.GetData(), response.GetSize()); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_pRead (StringExtractorGDBRemote &packet) +{ +#ifdef _WIN32 +    // Not implemented on Windows +    return SendUnimplementedResponse("GDBRemoteCommunicationServerCommon::Handle_vFile_pRead() unimplemented"); +#else +    StreamGDBRemote response; +    packet.SetFilePos(::strlen("vFile:pread:")); +    int fd = packet.GetS32(-1); +    if (packet.GetChar() == ',') +    { +        uint64_t count = packet.GetU64(UINT64_MAX); +        if (packet.GetChar() == ',') +        { +            uint64_t offset = packet.GetU64(UINT32_MAX); +            if (count == UINT64_MAX) +            { +                response.Printf("F-1:%i", EINVAL); +                return SendPacketNoLock(response.GetData(), response.GetSize()); +            } + +            std::string buffer(count, 0); +            const ssize_t bytes_read = ::pread (fd, &buffer[0], buffer.size(), offset); +            const int save_errno = bytes_read == -1 ? errno : 0; +            response.PutChar('F'); +            response.Printf("%zi", bytes_read); +            if (save_errno) +                response.Printf(",%i", save_errno); +            else +            { +                response.PutChar(';'); +                response.PutEscapedBytes(&buffer[0], bytes_read); +            } +            return SendPacketNoLock(response.GetData(), response.GetSize()); +        } +    } +    return SendErrorResponse(21); + +#endif +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite (StringExtractorGDBRemote &packet) +{ +#ifdef _WIN32 +    return SendUnimplementedResponse("GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite() unimplemented"); +#else +    packet.SetFilePos(::strlen("vFile:pwrite:")); + +    StreamGDBRemote response; +    response.PutChar('F'); + +    int fd = packet.GetU32(UINT32_MAX); +    if (packet.GetChar() == ',') +    { +        off_t offset = packet.GetU64(UINT32_MAX); +        if (packet.GetChar() == ',') +        { +            std::string buffer; +            if (packet.GetEscapedBinaryData(buffer)) +            { +                const ssize_t bytes_written = ::pwrite (fd, buffer.data(), buffer.size(), offset); +                const int save_errno = bytes_written == -1 ? errno : 0; +                response.Printf("%zi", bytes_written); +                if (save_errno) +                    response.Printf(",%i", save_errno); +            } +            else +            { +                response.Printf ("-1,%i", EINVAL); +            } +            return SendPacketNoLock(response.GetData(), response.GetSize()); +        } +    } +    return SendErrorResponse(27); +#endif +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_Size (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("vFile:size:")); +    std::string path; +    packet.GetHexByteString(path); +    if (!path.empty()) +    { +        lldb::user_id_t retcode = FileSystem::GetFileSize(FileSpec(path.c_str(), false)); +        StreamString response; +        response.PutChar('F'); +        response.PutHex64(retcode); +        if (retcode == UINT64_MAX) +        { +            response.PutChar(','); +            response.PutHex64(retcode); // TODO: replace with Host::GetSyswideErrorCode() +        } +        return SendPacketNoLock(response.GetData(), response.GetSize()); +    } +    return SendErrorResponse(22); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_Mode (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("vFile:mode:")); +    std::string path; +    packet.GetHexByteString(path); +    if (!path.empty()) +    { +        Error error; +        const uint32_t mode = File::GetPermissions(FileSpec{path, true}, error); +        StreamString response; +        response.Printf("F%u", mode); +        if (mode == 0 || error.Fail()) +            response.Printf(",%i", (int)error.GetError()); +        return SendPacketNoLock(response.GetData(), response.GetSize()); +    } +    return SendErrorResponse(23); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_Exists (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("vFile:exists:")); +    std::string path; +    packet.GetHexByteString(path); +    if (!path.empty()) +    { +        bool retcode = FileSystem::GetFileExists(FileSpec(path.c_str(), false)); +        StreamString response; +        response.PutChar('F'); +        response.PutChar(','); +        if (retcode) +            response.PutChar('1'); +        else +            response.PutChar('0'); +        return SendPacketNoLock(response.GetData(), response.GetSize()); +    } +    return SendErrorResponse(24); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_symlink (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("vFile:symlink:")); +    std::string dst, src; +    packet.GetHexByteStringTerminatedBy(dst, ','); +    packet.GetChar(); // Skip ',' char +    packet.GetHexByteString(src); +    Error error = FileSystem::Symlink(FileSpec{src, true}, FileSpec{dst, false}); +    StreamString response; +    response.Printf("F%u,%u", error.GetError(), error.GetError()); +    return SendPacketNoLock(response.GetData(), response.GetSize()); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_unlink (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("vFile:unlink:")); +    std::string path; +    packet.GetHexByteString(path); +    Error error = FileSystem::Unlink(FileSpec{path, true}); +    StreamString response; +    response.Printf("F%u,%u", error.GetError(), error.GetError()); +    return SendPacketNoLock(response.GetData(), response.GetSize()); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qPlatform_shell (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("qPlatform_shell:")); +    std::string path; +    std::string working_dir; +    packet.GetHexByteStringTerminatedBy(path,','); +    if (!path.empty()) +    { +        if (packet.GetChar() == ',') +        { +            // FIXME: add timeout to qPlatform_shell packet +            // uint32_t timeout = packet.GetHexMaxU32(false, 32); +            uint32_t timeout = 10; +            if (packet.GetChar() == ',') +                packet.GetHexByteString(working_dir); +            int status, signo; +            std::string output; +            Error err = Host::RunShellCommand(path.c_str(), +                                              FileSpec{working_dir, true}, +                                              &status, &signo, &output, timeout); +            StreamGDBRemote response; +            if (err.Fail()) +            { +                response.PutCString("F,"); +                response.PutHex32(UINT32_MAX); +            } +            else +            { +                response.PutCString("F,"); +                response.PutHex32(status); +                response.PutChar(','); +                response.PutHex32(signo); +                response.PutChar(','); +                response.PutEscapedBytes(output.c_str(), output.size()); +            } +            return SendPacketNoLock(response.GetData(), response.GetSize()); +        } +    } +    return SendErrorResponse(24); +} + + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_Stat (StringExtractorGDBRemote &packet) +{ +    return SendUnimplementedResponse("GDBRemoteCommunicationServerCommon::Handle_vFile_Stat() unimplemented"); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_vFile_MD5 (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("vFile:MD5:")); +    std::string path; +    packet.GetHexByteString(path); +    if (!path.empty()) +    { +        uint64_t a,b; +        StreamGDBRemote response; +        if (!FileSystem::CalculateMD5(FileSpec(path.c_str(), false), a, b)) +        { +            response.PutCString("F,"); +            response.PutCString("x"); +        } +        else +        { +            response.PutCString("F,"); +            response.PutHex64(a); +            response.PutHex64(b); +        } +        return SendPacketNoLock(response.GetData(), response.GetSize()); +    } +    return SendErrorResponse(25); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qPlatform_mkdir (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("qPlatform_mkdir:")); +    mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX); +    if (packet.GetChar() == ',') +    { +        std::string path; +        packet.GetHexByteString(path); +        Error error = FileSystem::MakeDirectory(FileSpec{path, false}, mode); + +        StreamGDBRemote response; +        response.Printf("F%u", error.GetError()); + +        return SendPacketNoLock(response.GetData(), response.GetSize()); +    } +    return SendErrorResponse(20); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qPlatform_chmod (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("qPlatform_chmod:")); + +    mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX); +    if (packet.GetChar() == ',') +    { +        std::string path; +        packet.GetHexByteString(path); +        Error error = FileSystem::SetFilePermissions(FileSpec{path, true}, mode); + +        StreamGDBRemote response; +        response.Printf("F%u", error.GetError()); + +        return SendPacketNoLock(response.GetData(), response.GetSize()); +    } +    return SendErrorResponse(19); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qSupported (StringExtractorGDBRemote &packet) +{ +    StreamGDBRemote response; + +    // Features common to lldb-platform and llgs. +    uint32_t max_packet_size = 128 * 1024;  // 128KBytes is a reasonable max packet size--debugger can always use less +    response.Printf ("PacketSize=%x", max_packet_size); + +    response.PutCString (";QStartNoAckMode+"); +    response.PutCString (";QThreadSuffixSupported+"); +    response.PutCString (";QListThreadsInStopReply+"); +    response.PutCString (";qEcho+"); +#if defined(__linux__) +    response.PutCString (";qXfer:auxv:read+"); +#endif + +    return SendPacketNoLock(response.GetData(), response.GetSize()); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QThreadSuffixSupported (StringExtractorGDBRemote &packet) +{ +    m_thread_suffix_supported = true; +    return SendOKResponse(); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QListThreadsInStopReply (StringExtractorGDBRemote &packet) +{ +    m_list_threads_in_stop_reply = true; +    return SendOKResponse(); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QSetDetachOnError (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("QSetDetachOnError:")); +    if (packet.GetU32(0)) +        m_process_launch_info.GetFlags().Set (eLaunchFlagDetachOnError); +    else +        m_process_launch_info.GetFlags().Clear (eLaunchFlagDetachOnError); +    return SendOKResponse (); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QStartNoAckMode (StringExtractorGDBRemote &packet) +{ +    // Send response first before changing m_send_acks to we ack this packet +    PacketResult packet_result = SendOKResponse (); +    m_send_acks = false; +    return packet_result; +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QSetSTDIN (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("QSetSTDIN:")); +    FileAction file_action; +    std::string path; +    packet.GetHexByteString(path); +    const bool read = false; +    const bool write = true; +    if (file_action.Open(STDIN_FILENO, FileSpec{path, false}, read, write)) +    { +        m_process_launch_info.AppendFileAction(file_action); +        return SendOKResponse (); +    } +    return SendErrorResponse (15); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QSetSTDOUT (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("QSetSTDOUT:")); +    FileAction file_action; +    std::string path; +    packet.GetHexByteString(path); +    const bool read = true; +    const bool write = false; +    if (file_action.Open(STDOUT_FILENO, FileSpec{path, false}, read, write)) +    { +        m_process_launch_info.AppendFileAction(file_action); +        return SendOKResponse (); +    } +    return SendErrorResponse (16); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QSetSTDERR (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("QSetSTDERR:")); +    FileAction file_action; +    std::string path; +    packet.GetHexByteString(path); +    const bool read = true; +    const bool write = false; +    if (file_action.Open(STDERR_FILENO, FileSpec{path, false}, read, write)) +    { +        m_process_launch_info.AppendFileAction(file_action); +        return SendOKResponse (); +    } +    return SendErrorResponse (17); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qLaunchSuccess (StringExtractorGDBRemote &packet) +{ +    if (m_process_launch_error.Success()) +        return SendOKResponse(); +    StreamString response; +    response.PutChar('E'); +    response.PutCString(m_process_launch_error.AsCString("<unknown error>")); +    return SendPacketNoLock (response.GetData(), response.GetSize()); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QEnvironment (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("QEnvironment:")); +    const uint32_t bytes_left = packet.GetBytesLeft(); +    if (bytes_left > 0) +    { +        m_process_launch_info.GetEnvironmentEntries ().AppendArgument (packet.Peek()); +        return SendOKResponse (); +    } +    return SendErrorResponse (12); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QEnvironmentHexEncoded (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen("QEnvironmentHexEncoded:")); +    const uint32_t bytes_left = packet.GetBytesLeft(); +    if (bytes_left > 0) +    { +        std::string str; +        packet.GetHexByteString(str); +        m_process_launch_info.GetEnvironmentEntries().AppendArgument(str.c_str()); +        return SendOKResponse(); +    } +    return SendErrorResponse(12); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_QLaunchArch (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("QLaunchArch:")); +    const uint32_t bytes_left = packet.GetBytesLeft(); +    if (bytes_left > 0) +    { +        const char* arch_triple = packet.Peek(); +        ArchSpec arch_spec(arch_triple,NULL); +        m_process_launch_info.SetArchitecture(arch_spec); +        return SendOKResponse(); +    } +    return SendErrorResponse(13); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_A (StringExtractorGDBRemote &packet) +{ +    // The 'A' packet is the most over designed packet ever here with +    // redundant argument indexes, redundant argument lengths and needed hex +    // encoded argument string values. Really all that is needed is a comma +    // separated hex encoded argument value list, but we will stay true to the +    // documented version of the 'A' packet here... + +    Log *log (GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); +    int actual_arg_index = 0; + +    packet.SetFilePos(1); // Skip the 'A' +    bool success = true; +    while (success && packet.GetBytesLeft() > 0) +    { +        // Decode the decimal argument string length. This length is the +        // number of hex nibbles in the argument string value. +        const uint32_t arg_len = packet.GetU32(UINT32_MAX); +        if (arg_len == UINT32_MAX) +            success = false; +        else +        { +            // Make sure the argument hex string length is followed by a comma +            if (packet.GetChar() != ',') +                success = false; +            else +            { +                // Decode the argument index. We ignore this really because +                // who would really send down the arguments in a random order??? +                const uint32_t arg_idx = packet.GetU32(UINT32_MAX); +                if (arg_idx == UINT32_MAX) +                    success = false; +                else +                { +                    // Make sure the argument index is followed by a comma +                    if (packet.GetChar() != ',') +                        success = false; +                    else +                    { +                        // Decode the argument string value from hex bytes +                        // back into a UTF8 string and make sure the length +                        // matches the one supplied in the packet +                        std::string arg; +                        if (packet.GetHexByteStringFixedLength(arg, arg_len) != (arg_len / 2)) +                            success = false; +                        else +                        { +                            // If there are any bytes left +                            if (packet.GetBytesLeft()) +                            { +                                if (packet.GetChar() != ',') +                                    success = false; +                            } + +                            if (success) +                            { +                                if (arg_idx == 0) +                                    m_process_launch_info.GetExecutableFile().SetFile(arg.c_str(), false); +                                m_process_launch_info.GetArguments().AppendArgument(arg.c_str()); +                                if (log) +                                    log->Printf ("LLGSPacketHandler::%s added arg %d: \"%s\"", __FUNCTION__, actual_arg_index, arg.c_str ()); +                                ++actual_arg_index; +                            } +                        } +                    } +                } +            } +        } +    } + +    if (success) +    { +        m_process_launch_error = LaunchProcess (); +        if (m_process_launch_info.GetProcessID() != LLDB_INVALID_PROCESS_ID) +        { +            return SendOKResponse (); +        } +        else +        { +            Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); +            if (log) +                log->Printf("LLGSPacketHandler::%s failed to launch exe: %s", +                        __FUNCTION__, +                        m_process_launch_error.AsCString()); + +        } +    } +    return SendErrorResponse (8); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qEcho (StringExtractorGDBRemote &packet) +{ +    // Just echo back the exact same packet for qEcho... +    return SendPacketNoLock(packet.GetStringRef().c_str(), packet.GetStringRef().size()); +} + +GDBRemoteCommunication::PacketResult +GDBRemoteCommunicationServerCommon::Handle_qModuleInfo (StringExtractorGDBRemote &packet) +{ +    packet.SetFilePos(::strlen ("qModuleInfo:")); + +    std::string module_path; +    packet.GetHexByteStringTerminatedBy(module_path, ';'); +    if (module_path.empty()) +        return SendErrorResponse (1); + +    if (packet.GetChar() != ';') +        return SendErrorResponse (2); + +    std::string triple; +    packet.GetHexByteString(triple); +    ArchSpec arch(triple.c_str()); + +    const FileSpec req_module_path_spec(module_path.c_str(), true); +    const FileSpec module_path_spec = FindModuleFile(req_module_path_spec.GetPath(), arch); +    const ModuleSpec module_spec(module_path_spec, arch); + +    ModuleSpecList module_specs; +    if (!ObjectFile::GetModuleSpecifications(module_path_spec, 0, 0, module_specs)) +        return SendErrorResponse (3); + +    ModuleSpec matched_module_spec; +    if (!module_specs.FindMatchingModuleSpec(module_spec, matched_module_spec)) +        return SendErrorResponse (4); + +    const auto file_offset = matched_module_spec.GetObjectOffset(); +    const auto file_size = matched_module_spec.GetObjectSize(); +    const auto uuid_str = matched_module_spec.GetUUID().GetAsString(""); + +    StreamGDBRemote response; + +    if (uuid_str.empty()) +    { +        std::string md5_hash; +        if (!FileSystem::CalculateMD5AsString(matched_module_spec.GetFileSpec(), file_offset, file_size, md5_hash)) +            return SendErrorResponse (5); +        response.PutCString ("md5:"); +        response.PutCStringAsRawHex8(md5_hash.c_str()); +    } +    else{ +        response.PutCString ("uuid:"); +        response.PutCStringAsRawHex8(uuid_str.c_str()); +    } +    response.PutChar(';'); + +    const auto &module_arch = matched_module_spec.GetArchitecture(); +    response.PutCString("triple:"); +    response.PutCStringAsRawHex8( module_arch.GetTriple().getTriple().c_str()); +    response.PutChar(';'); + +    response.PutCString("file_path:"); +    response.PutCStringAsRawHex8(module_path_spec.GetCString()); +    response.PutChar(';'); +    response.PutCString("file_offset:"); +    response.PutHex64(file_offset); +    response.PutChar(';'); +    response.PutCString("file_size:"); +    response.PutHex64(file_size); +    response.PutChar(';'); + +    return SendPacketNoLock(response.GetData(), response.GetSize()); +} + +void +GDBRemoteCommunicationServerCommon::CreateProcessInfoResponse (const ProcessInstanceInfo &proc_info, +                                                    StreamString &response) +{ +    response.Printf ("pid:%" PRIu64 ";ppid:%" PRIu64 ";uid:%i;gid:%i;euid:%i;egid:%i;", +                     proc_info.GetProcessID(), +                     proc_info.GetParentProcessID(), +                     proc_info.GetUserID(), +                     proc_info.GetGroupID(), +                     proc_info.GetEffectiveUserID(), +                     proc_info.GetEffectiveGroupID()); +    response.PutCString ("name:"); +    response.PutCStringAsRawHex8(proc_info.GetExecutableFile().GetCString()); +    response.PutChar(';'); +    const ArchSpec &proc_arch = proc_info.GetArchitecture(); +    if (proc_arch.IsValid()) +    { +        const llvm::Triple &proc_triple = proc_arch.GetTriple(); +        response.PutCString("triple:"); +        response.PutCStringAsRawHex8(proc_triple.getTriple().c_str()); +        response.PutChar(';'); +    } +} + +void +GDBRemoteCommunicationServerCommon::CreateProcessInfoResponse_DebugServerStyle ( +    const ProcessInstanceInfo &proc_info, StreamString &response) +{ +    response.Printf ("pid:%" PRIx64 ";parent-pid:%" PRIx64 ";real-uid:%x;real-gid:%x;effective-uid:%x;effective-gid:%x;", +                     proc_info.GetProcessID(), +                     proc_info.GetParentProcessID(), +                     proc_info.GetUserID(), +                     proc_info.GetGroupID(), +                     proc_info.GetEffectiveUserID(), +                     proc_info.GetEffectiveGroupID()); + +    const ArchSpec &proc_arch = proc_info.GetArchitecture(); +    if (proc_arch.IsValid()) +    { +        const llvm::Triple &proc_triple = proc_arch.GetTriple(); +#if defined(__APPLE__) +        // We'll send cputype/cpusubtype. +        const uint32_t cpu_type = proc_arch.GetMachOCPUType(); +        if (cpu_type != 0) +            response.Printf ("cputype:%" PRIx32 ";", cpu_type); + +        const uint32_t cpu_subtype = proc_arch.GetMachOCPUSubType(); +        if (cpu_subtype != 0) +            response.Printf ("cpusubtype:%" PRIx32 ";", cpu_subtype); + +        const std::string vendor = proc_triple.getVendorName (); +        if (!vendor.empty ()) +            response.Printf ("vendor:%s;", vendor.c_str ()); +#else +        // We'll send the triple. +        response.PutCString("triple:"); +        response.PutCStringAsRawHex8(proc_triple.getTriple().c_str()); +        response.PutChar(';'); +#endif +        std::string ostype = proc_triple.getOSName (); +        // Adjust so ostype reports ios for Apple/ARM and Apple/ARM64. +        if (proc_triple.getVendor () == llvm::Triple::Apple) +        { +            switch (proc_triple.getArch ()) +            { +                case llvm::Triple::arm: +                case llvm::Triple::aarch64: +                    ostype = "ios"; +                    break; +                default: +                    // No change. +                    break; +            } +        } +        response.Printf ("ostype:%s;", ostype.c_str ()); + + +        switch (proc_arch.GetByteOrder ()) +        { +            case lldb::eByteOrderLittle: response.PutCString ("endian:little;"); break; +            case lldb::eByteOrderBig:    response.PutCString ("endian:big;");    break; +            case lldb::eByteOrderPDP:    response.PutCString ("endian:pdp;");    break; +            default: +                // Nothing. +                break; +        } + +        if (proc_triple.isArch64Bit ()) +            response.PutCString ("ptrsize:8;"); +        else if (proc_triple.isArch32Bit ()) +            response.PutCString ("ptrsize:4;"); +        else if (proc_triple.isArch16Bit ()) +            response.PutCString ("ptrsize:2;"); +    } +} + +FileSpec +GDBRemoteCommunicationServerCommon::FindModuleFile(const std::string& module_path, +                                                   const ArchSpec& arch) +{ +#ifdef __ANDROID__ +    return HostInfoAndroid::ResolveLibraryPath(module_path, arch); +#else +    return FileSpec(module_path.c_str(), true); +#endif +} | 
