C++ DataExtractor::GetData方法代码示例

size_t
ObjectContainerBSDArchive::Archive::ParseObjects (DataExtractor &data)
{
    std::string str;
    uint32_t offset = 0;
    str.assign((const char *)data.GetData(&offset, SARMAG), SARMAG);
    if (str == ARMAG)
    {
        Object obj;
        do
        {
            offset = obj.Extract (data, offset);
            if (offset == LLDB_INVALID_INDEX32)
                break;
            uint32_t obj_idx = m_objects.size();
            m_objects.push_back(obj);
            // Insert all of the C strings out of order for now...
            m_object_name_to_index_map.Append (obj.ar_name.GetCString(), obj_idx);
            offset += obj.ar_file_size;
            obj.Clear();
        } while (data.ValidOffset(offset));

        // Now sort all of the object name pointers
        m_object_name_to_index_map.Sort ();
    }
    return m_objects.size();
}

Error
AdbClient::Stat (const FileSpec &remote_file, uint32_t &mode, uint32_t &size, uint32_t &mtime)
{
    auto error = StartSync ();
    if (error.Fail ())
        return error;

    const std::string remote_file_path (remote_file.GetPath (false));
    error = SendSyncRequest (kSTAT, remote_file_path.length (), remote_file_path.c_str ());
    if (error.Fail ())
        return Error ("Failed to send request: %s", error.AsCString ());

    static const size_t stat_len = strlen (kSTAT);
    static const size_t response_len = stat_len + (sizeof (uint32_t) * 3);

    std::vector<char> buffer (response_len);
    error = ReadAllBytes (&buffer[0], buffer.size ());
    if (error.Fail ())
        return Error ("Failed to read response: %s", error.AsCString ());

    DataExtractor extractor (&buffer[0], buffer.size (), eByteOrderLittle, sizeof (void*));
    offset_t offset = 0;

    const void* command = extractor.GetData (&offset, stat_len);
    if (!command)
        return Error ("Failed to get response command");
    const char* command_str = static_cast<const char*> (command);
    if (strncmp (command_str, kSTAT, stat_len))
        return Error ("Got invalid stat command: %s", command_str);

    mode = extractor.GetU32 (&offset);
    size = extractor.GetU32 (&offset);
    mtime = extractor.GetU32 (&offset);
    return Error ();
}

lldb::offset_t
ObjectContainerBSDArchive::Object::Extract (const DataExtractor& data, lldb::offset_t offset)
{
    size_t ar_name_len = 0;
    std::string str;
    char *err;
    str.assign ((const char *)data.GetData(&offset, 16),    16);
    if (str.find("#1/") == 0)
    {
        // If the name is longer than 16 bytes, or contains an embedded space
        // then it will use this format where the length of the name is
        // here and the name characters are after this header.
        ar_name_len = strtoul(str.c_str() + 3, &err, 10);
    }
    else
    {
        // Strip off any spaces (if the object file name contains spaces it
        // will use the extended format above).
        str.erase (str.find(' '));
        ar_name.SetCString(str.c_str());
    }

    str.assign ((const char *)data.GetData(&offset, 12),    12);
    ar_date = strtoul(str.c_str(), &err, 10);

    str.assign ((const char *)data.GetData(&offset, 6), 6);
    ar_uid  = strtoul(str.c_str(), &err, 10);

    str.assign ((const char *)data.GetData(&offset, 6), 6);
    ar_gid  = strtoul(str.c_str(), &err, 10);

    str.assign ((const char *)data.GetData(&offset, 8), 8);
    ar_mode = strtoul(str.c_str(), &err, 8);

    str.assign ((const char *)data.GetData(&offset, 10),    10);
    ar_size = strtoul(str.c_str(), &err, 10);

    str.assign ((const char *)data.GetData(&offset, 2), 2);
    if (str == ARFMAG)
    {
        if (ar_name_len > 0)
        {
            str.assign ((const char *)data.GetData(&offset, ar_name_len), ar_name_len);
            ar_name.SetCString (str.c_str());
        }
        ar_file_offset = offset;
        ar_file_size = ar_size - ar_name_len;
        return offset;
    }
    return LLDB_INVALID_OFFSET;
}

static bool
SkinnyMachOFileContainsArchAndUUID
(
    const FileSpec &file_spec,
    const ArchSpec *arch,
    const lldb_private::UUID *uuid,   // the UUID we are looking for
    off_t file_offset,
    DataExtractor& data,
    uint32_t data_offset,
    const uint32_t magic
)
{
    assert(magic == HeaderMagic32 || magic == HeaderMagic32Swapped || magic == HeaderMagic64 || magic == HeaderMagic64Swapped);
    if (magic == HeaderMagic32 || magic == HeaderMagic64)
        data.SetByteOrder (lldb::endian::InlHostByteOrder());
    else if (lldb::endian::InlHostByteOrder() == eByteOrderBig)
        data.SetByteOrder (eByteOrderLittle);
    else
        data.SetByteOrder (eByteOrderBig);

    uint32_t i;
    const uint32_t cputype      = data.GetU32(&data_offset);    // cpu specifier
    const uint32_t cpusubtype   = data.GetU32(&data_offset);    // machine specifier
    data_offset+=4; // Skip mach file type
    const uint32_t ncmds        = data.GetU32(&data_offset);    // number of load commands
    const uint32_t sizeofcmds   = data.GetU32(&data_offset);    // the size of all the load commands
    data_offset+=4; // Skip flags

    // Check the architecture if we have a valid arch pointer
    if (arch)
    {
        ArchSpec file_arch(eArchTypeMachO, cputype, cpusubtype);

        if (file_arch != *arch)
            return false;
    }

    // The file exists, and if a valid arch pointer was passed in we know
    // if already matches, so we can return if we aren't looking for a specific
    // UUID
    if (uuid == NULL)
        return true;

    if (magic == HeaderMagic64Swapped || magic == HeaderMagic64)
        data_offset += 4;   // Skip reserved field for in mach_header_64

    // Make sure we have enough data for all the load commands
    if (magic == HeaderMagic64Swapped || magic == HeaderMagic64)
    {
        if (data.GetByteSize() < sizeof(struct mach_header_64) + sizeofcmds)
        {
            DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset, sizeof(struct mach_header_64) + sizeofcmds));
            data.SetData (data_buffer_sp);
        }
    }
    else
    {
        if (data.GetByteSize() < sizeof(struct mach_header) + sizeofcmds)
        {
            DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset, sizeof(struct mach_header) + sizeofcmds));
            data.SetData (data_buffer_sp);
        }
    }

    for (i=0; i<ncmds; i++)
    {
        const uint32_t cmd_offset = data_offset;    // Save this data_offset in case parsing of the segment goes awry!
        uint32_t cmd        = data.GetU32(&data_offset);
        uint32_t cmd_size   = data.GetU32(&data_offset);
        if (cmd == LoadCommandUUID)
        {
            lldb_private::UUID file_uuid (data.GetData(&data_offset, 16), 16);
            if (file_uuid == *uuid)
                return true;

            // Emit some warning messages since the UUIDs do not match!
            char path_buf[PATH_MAX];
            path_buf[0] = '\0';
            const char *path = file_spec.GetPath(path_buf, PATH_MAX) ? path_buf
                                                                     : file_spec.GetFilename().AsCString();
            Host::SystemLog (Host::eSystemLogWarning, 
                             "warning: UUID mismatch detected between binary and:\n\t'%s'\n", 
                             path);
            return false;
        }
        data_offset = cmd_offset + cmd_size;
    }
    return false;
}

//.........这里部分代码省略.........
                   reply_port, exc_port, packet.GetCStr(&offset));
        } break;

        case KDP_DISCONNECT:
        case KDP_HOSTREBOOT:
        case KDP_HOSTINFO:
        case KDP_VERSION:
        case KDP_REGIONS:
        case KDP_KERNELVERSION:
        case KDP_MAXBYTES:
        case KDP_IMAGEPATH:
        case KDP_SUSPEND:
          // No args, just the header in the request...
          s.PutCString(" ()");
          break;

        case KDP_RESUMECPUS: {
          const uint32_t cpu_mask = packet.GetU32(&offset);
          s.Printf(" (cpu_mask = 0x%8.8x)", cpu_mask);
        } break;

        case KDP_READMEM: {
          const uint32_t addr = packet.GetU32(&offset);
          const uint32_t size = packet.GetU32(&offset);
          s.Printf(" (addr = 0x%8.8x, size = %u)", addr, size);
          m_last_read_memory_addr = addr;
        } break;

        case KDP_WRITEMEM: {
          const uint32_t addr = packet.GetU32(&offset);
          const uint32_t size = packet.GetU32(&offset);
          s.Printf(" (addr = 0x%8.8x, size = %u, bytes = \n", addr, size);
          if (size > 0)
            DumpHexBytes(&s, packet.GetData(&offset, size), size, 32, addr);
        } break;

        case KDP_READMEM64: {
          const uint64_t addr = packet.GetU64(&offset);
          const uint32_t size = packet.GetU32(&offset);
          s.Printf(" (addr = 0x%16.16" PRIx64 ", size = %u)", addr, size);
          m_last_read_memory_addr = addr;
        } break;

        case KDP_READPHYSMEM64: {
          const uint64_t addr = packet.GetU64(&offset);
          const uint32_t size = packet.GetU32(&offset);
          const uint32_t lcpu = packet.GetU16(&offset);
          s.Printf(" (addr = 0x%16.16llx, size = %u, lcpu = %u)", addr, size,
                   lcpu);
          m_last_read_memory_addr = addr;
        } break;

        case KDP_WRITEMEM64: {
          const uint64_t addr = packet.GetU64(&offset);
          const uint32_t size = packet.GetU32(&offset);
          s.Printf(" (addr = 0x%16.16" PRIx64 ", size = %u, bytes = \n", addr,
                   size);
          if (size > 0)
            DumpHexBytes(&s, packet.GetData(&offset, size), size, 32, addr);
        } break;

        case KDP_WRITEPHYSMEM64: {
          const uint64_t addr = packet.GetU64(&offset);
          const uint32_t size = packet.GetU32(&offset);
          const uint32_t lcpu = packet.GetU16(&offset);
          s.Printf(" (addr = 0x%16.16llx, size = %u, lcpu = %u, bytes = \n",

lldb::offset_t
ObjectContainerBSDArchive::Object::Extract (const DataExtractor& data, lldb::offset_t offset)
{
    size_t ar_name_len = 0;
    std::string str;
    char *err;
    
    
    // File header
    //
    // The common format is as follows.
    //
    //  Offset  Length	Name            Format
    //  0       16      File name       ASCII right padded with spaces (no spaces allowed in file name)
    //  16      12      File mod        Decimal as cstring right padded with spaces
    //  28      6       Owner ID        Decimal as cstring right padded with spaces
    //  34      6       Group ID        Decimal as cstring right padded with spaces
    //  40      8       File mode       Octal   as cstring right padded with spaces
    //  48      10      File byte size  Decimal as cstring right padded with spaces
    //  58      2       File magic      0x60 0x0A

    // Make sure there is enough data for the file header and bail if not
    if (!data.ValidOffsetForDataOfSize(offset, 60))
        return LLDB_INVALID_OFFSET;

    str.assign ((const char *)data.GetData(&offset, 16),    16);
    if (str.find("#1/") == 0)
    {
        // If the name is longer than 16 bytes, or contains an embedded space
        // then it will use this format where the length of the name is
        // here and the name characters are after this header.
        ar_name_len = strtoul(str.c_str() + 3, &err, 10);
    }
    else
    {
        // Strip off any trailing spaces.
        const size_t last_pos = str.find_last_not_of(' ');
        if (last_pos != std::string::npos)
        {
            if (last_pos + 1 < 16)
                str.erase (last_pos + 1);
        }
        ar_name.SetCString(str.c_str());
    }

    str.assign ((const char *)data.GetData(&offset, 12),    12);
    ar_date = strtoul(str.c_str(), &err, 10);

    str.assign ((const char *)data.GetData(&offset, 6), 6);
    ar_uid  = strtoul(str.c_str(), &err, 10);

    str.assign ((const char *)data.GetData(&offset, 6), 6);
    ar_gid  = strtoul(str.c_str(), &err, 10);

    str.assign ((const char *)data.GetData(&offset, 8), 8);
    ar_mode = strtoul(str.c_str(), &err, 8);

    str.assign ((const char *)data.GetData(&offset, 10),    10);
    ar_size = strtoul(str.c_str(), &err, 10);

    str.assign ((const char *)data.GetData(&offset, 2), 2);
    if (str == ARFMAG)
    {
        if (ar_name_len > 0)
        {
            const void *ar_name_ptr = data.GetData(&offset, ar_name_len);
            // Make sure there was enough data for the string value and bail if not
            if (ar_name_ptr == NULL)
                return LLDB_INVALID_OFFSET;
            str.assign ((const char *)ar_name_ptr, ar_name_len);
            ar_name.SetCString (str.c_str());
        }
        ar_file_offset = offset;
        ar_file_size = ar_size - ar_name_len;
        return offset;
    }
    return LLDB_INVALID_OFFSET;
}

static bool
SkinnyMachOFileContainsArchAndUUID
(
    const FileSpec &file_spec,
    const ArchSpec *arch,
    const lldb_private::UUID *uuid,   // the UUID we are looking for
    off_t file_offset,
    DataExtractor& data,
    lldb::offset_t data_offset,
    const uint32_t magic
)
{
    assert(magic == HeaderMagic32 || magic == HeaderMagic32Swapped || magic == HeaderMagic64 || magic == HeaderMagic64Swapped);
    if (magic == HeaderMagic32 || magic == HeaderMagic64)
        data.SetByteOrder (lldb::endian::InlHostByteOrder());
    else if (lldb::endian::InlHostByteOrder() == eByteOrderBig)
        data.SetByteOrder (eByteOrderLittle);
    else
        data.SetByteOrder (eByteOrderBig);

    uint32_t i;
    const uint32_t cputype      = data.GetU32(&data_offset);    // cpu specifier
    const uint32_t cpusubtype   = data.GetU32(&data_offset);    // machine specifier
    data_offset+=4; // Skip mach file type
    const uint32_t ncmds        = data.GetU32(&data_offset);    // number of load commands
    const uint32_t sizeofcmds   = data.GetU32(&data_offset);    // the size of all the load commands
    data_offset+=4; // Skip flags

    // Check the architecture if we have a valid arch pointer
    if (arch)
    {
        ArchSpec file_arch(eArchTypeMachO, cputype, cpusubtype);

        if (!file_arch.IsCompatibleMatch(*arch))
            return false;
    }

    // The file exists, and if a valid arch pointer was passed in we know
    // if already matches, so we can return if we aren't looking for a specific
    // UUID
    if (uuid == NULL)
        return true;

    if (magic == HeaderMagic64Swapped || magic == HeaderMagic64)
        data_offset += 4;   // Skip reserved field for in mach_header_64

    // Make sure we have enough data for all the load commands
    if (magic == HeaderMagic64Swapped || magic == HeaderMagic64)
    {
        if (data.GetByteSize() < sizeof(struct mach_header_64) + sizeofcmds)
        {
            DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset, sizeof(struct mach_header_64) + sizeofcmds));
            data.SetData (data_buffer_sp);
        }
    }
    else
    {
        if (data.GetByteSize() < sizeof(struct mach_header) + sizeofcmds)
        {
            DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset, sizeof(struct mach_header) + sizeofcmds));
            data.SetData (data_buffer_sp);
        }
    }

    for (i=0; i<ncmds; i++)
    {
        const lldb::offset_t cmd_offset = data_offset;    // Save this data_offset in case parsing of the segment goes awry!
        uint32_t cmd        = data.GetU32(&data_offset);
        uint32_t cmd_size   = data.GetU32(&data_offset);
        if (cmd == LoadCommandUUID)
        {
            lldb_private::UUID file_uuid (data.GetData(&data_offset, 16), 16);
            if (file_uuid == *uuid)
                return true;
            return false;
        }
        data_offset = cmd_offset + cmd_size;
    }
    return false;
}

// Parse the load commands for an image
uint32_t DynamicLoaderMacOSXDYLD::ParseLoadCommands(const DataExtractor &data,
                                                    ImageInfo &dylib_info,
                                                    FileSpec *lc_id_dylinker) {
  lldb::offset_t offset = 0;
  uint32_t cmd_idx;
  Segment segment;
  dylib_info.Clear(true);

  for (cmd_idx = 0; cmd_idx < dylib_info.header.ncmds; cmd_idx++) {
    // Clear out any load command specific data from DYLIB_INFO since we are
    // about to read it.

    if (data.ValidOffsetForDataOfSize(offset,
                                      sizeof(llvm::MachO::load_command))) {
      llvm::MachO::load_command load_cmd;
      lldb::offset_t load_cmd_offset = offset;
      load_cmd.cmd = data.GetU32(&offset);
      load_cmd.cmdsize = data.GetU32(&offset);
      switch (load_cmd.cmd) {
      case llvm::MachO::LC_SEGMENT: {
        segment.name.SetTrimmedCStringWithLength(
            (const char *)data.GetData(&offset, 16), 16);
        // We are putting 4 uint32_t values 4 uint64_t values so we have to use
        // multiple 32 bit gets below.
        segment.vmaddr = data.GetU32(&offset);
        segment.vmsize = data.GetU32(&offset);
        segment.fileoff = data.GetU32(&offset);
        segment.filesize = data.GetU32(&offset);
        // Extract maxprot, initprot, nsects and flags all at once
        data.GetU32(&offset, &segment.maxprot, 4);
        dylib_info.segments.push_back(segment);
      } break;

      case llvm::MachO::LC_SEGMENT_64: {
        segment.name.SetTrimmedCStringWithLength(
            (const char *)data.GetData(&offset, 16), 16);
        // Extract vmaddr, vmsize, fileoff, and filesize all at once
        data.GetU64(&offset, &segment.vmaddr, 4);
        // Extract maxprot, initprot, nsects and flags all at once
        data.GetU32(&offset, &segment.maxprot, 4);
        dylib_info.segments.push_back(segment);
      } break;

      case llvm::MachO::LC_ID_DYLINKER:
        if (lc_id_dylinker) {
          const lldb::offset_t name_offset =
              load_cmd_offset + data.GetU32(&offset);
          const char *path = data.PeekCStr(name_offset);
          lc_id_dylinker->SetFile(path, FileSpec::Style::native);
          FileSystem::Instance().Resolve(*lc_id_dylinker);
        }
        break;

      case llvm::MachO::LC_UUID:
        dylib_info.uuid = UUID::fromOptionalData(data.GetData(&offset, 16), 16);
        break;

      default:
        break;
      }
      // Set offset to be the beginning of the next load command.
      offset = load_cmd_offset + load_cmd.cmdsize;
    }
  }

  // All sections listed in the dyld image info structure will all either be
  // fixed up already, or they will all be off by a single slide amount that is
  // determined by finding the first segment that is at file offset zero which
  // also has bytes (a file size that is greater than zero) in the object file.

  // Determine the slide amount (if any)
  const size_t num_sections = dylib_info.segments.size();
  for (size_t i = 0; i < num_sections; ++i) {
    // Iterate through the object file sections to find the first section that
    // starts of file offset zero and that has bytes in the file...
    if ((dylib_info.segments[i].fileoff == 0 &&
         dylib_info.segments[i].filesize > 0) ||
        (dylib_info.segments[i].name == "__TEXT")) {
      dylib_info.slide = dylib_info.address - dylib_info.segments[i].vmaddr;
      // We have found the slide amount, so we can exit this for loop.
      break;
    }
  }
  return cmd_idx;
}

//.........这里部分代码省略.........
        s->Printf("%lg + %lgi", d64_1, d64_2);
        break;
      } else if (sizeof(long double) * 2 == item_byte_size) {
        long double ld64_1 = DE.GetLongDouble(&offset);
        long double ld64_2 = DE.GetLongDouble(&offset);
        s->Printf("%Lg + %Lgi", ld64_1, ld64_2);
        break;
      } else {
        s->Printf("error: unsupported byte size (%" PRIu64
                  ") for complex float format",
                  (uint64_t)item_byte_size);
        return offset;
      }
      break;

    default:
    case eFormatDefault:
    case eFormatHex:
    case eFormatHexUppercase: {
      bool wantsuppercase = (item_format == eFormatHexUppercase);
      switch (item_byte_size) {
      case 1:
      case 2:
      case 4:
      case 8:
        s->Printf(wantsuppercase ? "0x%*.*" PRIX64 : "0x%*.*" PRIx64,
                  (int)(2 * item_byte_size), (int)(2 * item_byte_size),
                  DE.GetMaxU64Bitfield(&offset, item_byte_size, item_bit_size,
                                       item_bit_offset));
        break;
      default: {
        assert(item_bit_size == 0 && item_bit_offset == 0);
        const uint8_t *bytes =
            (const uint8_t *)DE.GetData(&offset, item_byte_size);
        if (bytes) {
          s->PutCString("0x");
          uint32_t idx;
          if (DE.GetByteOrder() == eByteOrderBig) {
            for (idx = 0; idx < item_byte_size; ++idx)
              s->Printf(wantsuppercase ? "%2.2X" : "%2.2x", bytes[idx]);
          } else {
            for (idx = 0; idx < item_byte_size; ++idx)
              s->Printf(wantsuppercase ? "%2.2X" : "%2.2x",
                        bytes[item_byte_size - 1 - idx]);
          }
        }
      } break;
      }
    } break;

    case eFormatFloat: {
      TargetSP target_sp;
      bool used_apfloat = false;
      if (exe_scope)
        target_sp = exe_scope->CalculateTarget();
      if (target_sp) {
        ClangASTContext *clang_ast = target_sp->GetScratchClangASTContext();
        if (clang_ast) {
          clang::ASTContext *ast = clang_ast->getASTContext();
          if (ast) {
            llvm::SmallVector<char, 256> sv;
            // Show full precision when printing float values
            const unsigned format_precision = 0;
            const unsigned format_max_padding = 100;
            size_t item_bit_size = item_byte_size * 8;

uint32_t
DynamicLoaderDarwinKernel::ReadKextSummaries (const Address &kext_summary_addr,
                                              uint32_t image_infos_count, 
                                              OSKextLoadedKextSummary::collection &image_infos)
{
    const ByteOrder endian = m_kernel.GetByteOrder();
    const uint32_t addr_size = m_kernel.GetAddressByteSize();

    image_infos.resize(image_infos_count);
    const size_t count = image_infos.size() * m_kext_summary_header.entry_size;
    DataBufferHeap data(count, 0);
    Error error;
    
    Stream *s = &m_process->GetTarget().GetDebugger().GetOutputStream();

    if (s)
        s->Printf ("Reading %u kext summaries...\n", image_infos_count);
    const bool prefer_file_cache = false;
    const size_t bytes_read = m_process->GetTarget().ReadMemory (kext_summary_addr, 
                                                                 prefer_file_cache,
                                                                 data.GetBytes(), 
                                                                 data.GetByteSize(),
                                                                 error);
    if (bytes_read == count)
    {
        
        DataExtractor extractor (data.GetBytes(), data.GetByteSize(), endian, addr_size);
        uint32_t i=0;
        for (uint32_t kext_summary_offset = 0;
             i < image_infos.size() && extractor.ValidOffsetForDataOfSize(kext_summary_offset, m_kext_summary_header.entry_size); 
             ++i, kext_summary_offset += m_kext_summary_header.entry_size)
        {
            uint32_t offset = kext_summary_offset;
            const void *name_data = extractor.GetData(&offset, KERNEL_MODULE_MAX_NAME);
            if (name_data == NULL)
                break;
            memcpy (image_infos[i].name, name_data, KERNEL_MODULE_MAX_NAME);
            image_infos[i].uuid.SetBytes(extractor.GetData (&offset, 16));
            image_infos[i].address          = extractor.GetU64(&offset);
            if (!image_infos[i].so_address.SetLoadAddress (image_infos[i].address, &m_process->GetTarget()))
                m_process->GetTarget().GetImages().ResolveFileAddress (image_infos[i].address, image_infos[i].so_address);
            image_infos[i].size             = extractor.GetU64(&offset);
            image_infos[i].version          = extractor.GetU64(&offset);
            image_infos[i].load_tag         = extractor.GetU32(&offset);
            image_infos[i].flags            = extractor.GetU32(&offset);
            if ((offset - kext_summary_offset) < m_kext_summary_header.entry_size)
            {
                image_infos[i].reference_list = extractor.GetU64(&offset);
            }
            else
            {
                image_infos[i].reference_list = 0;
            }
//            printf ("[%3u] %*.*s: address=0x%16.16llx, size=0x%16.16llx, version=0x%16.16llx, load_tag=0x%8.8x, flags=0x%8.8x\n", 
//                    i,
//                    KERNEL_MODULE_MAX_NAME, KERNEL_MODULE_MAX_NAME,  (char *)name_data, 
//                    image_infos[i].address, 
//                    image_infos[i].size,
//                    image_infos[i].version,
//                    image_infos[i].load_tag,
//                    image_infos[i].flags);
        }
        if (i < image_infos.size())
            image_infos.resize(i);
    }
    else
    {
        image_infos.clear();
    }
    return image_infos.size();
}