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);
ModuleSpec matched_module_spec = GetModuleInfo(module_path, triple);
if (!matched_module_spec.GetFileSpec())
return SendErrorResponse(3);
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(matched_module_spec.GetFileSpec().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.GetString());
}
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.GetString());
}
}
return SendErrorResponse(27);
#endif
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerPlatform::Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet)
{
#ifdef _WIN32
return SendErrorResponse(9);
#else
// Spawn a local debugserver as a platform so we can then attach or launch
// a process...
Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
if (log)
log->Printf ("GDBRemoteCommunicationServerPlatform::%s() called", __FUNCTION__);
ConnectionFileDescriptor file_conn;
std::string hostname;
packet.SetFilePos(::strlen ("qLaunchGDBServer;"));
std::string name;
std::string value;
uint16_t port = UINT16_MAX;
while (packet.GetNameColonValue(name, value))
{
if (name.compare ("host") == 0)
hostname.swap(value);
else if (name.compare ("port") == 0)
port = StringConvert::ToUInt32(value.c_str(), 0, 0);
}
lldb::pid_t debugserver_pid = LLDB_INVALID_PROCESS_ID;
std::string socket_name;
Error error = LaunchGDBServer(Args(), hostname, debugserver_pid, port, socket_name);
if (error.Fail())
{
if (log)
log->Printf("GDBRemoteCommunicationServerPlatform::%s() debugserver launch failed: %s", __FUNCTION__, error.AsCString ());
return SendErrorResponse(9);
}
if (log)
log->Printf ("GDBRemoteCommunicationServerPlatform::%s() debugserver launched successfully as pid %" PRIu64, __FUNCTION__, debugserver_pid);
StreamGDBRemote response;
response.Printf("pid:%" PRIu64 ";port:%u;", debugserver_pid, port + m_port_offset);
if (!socket_name.empty())
{
response.PutCString("socket_name:");
response.PutCStringAsRawHex8(socket_name.c_str());
response.PutChar(';');
}
PacketResult packet_result = SendPacketNoLock(response.GetData(), response.GetSize());
if (packet_result != PacketResult::Success)
{
if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
::kill (debugserver_pid, SIGINT);
}
return packet_result;
#endif
}
GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServer::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(),
working_dir.empty() ? NULL : working_dir.c_str(),
&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
GDBRemoteCommunicationServer::Handle_vFile_pRead (StringExtractorGDBRemote &packet)
{
#ifdef _WIN32
// Not implemented on Windows
return SendUnimplementedResponse("GDBRemoteCommunicationServer::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
}
