コード例 #1
0
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
}
コード例 #2
0
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.GetString());
}