示例#1
0
size_t
ObjectFile::GetModuleSpecifications (const lldb_private::FileSpec& file,
                                     lldb::DataBufferSP& data_sp,
                                     lldb::offset_t data_offset,
                                     lldb::offset_t file_offset,
                                     lldb::offset_t length,
                                     lldb_private::ModuleSpecList &specs)
{
    const size_t initial_count = specs.GetSize();
    ObjectFileGetModuleSpecifications callback;
    uint32_t i;
    // Try the ObjectFile plug-ins
    for (i = 0; (callback = PluginManager::GetObjectFileGetModuleSpecificationsCallbackAtIndex(i)) != NULL; ++i)
    {
        if (callback (file, data_sp, data_offset, file_offset, length, specs) > 0)
            return specs.GetSize() - initial_count;
    }

    // Try the ObjectContainer plug-ins
    for (i = 0; (callback = PluginManager::GetObjectContainerGetModuleSpecificationsCallbackAtIndex(i)) != NULL; ++i)
    {
        if (callback (file, data_sp, data_offset, file_offset, length, specs) > 0)
            return specs.GetSize() - initial_count;
    }
    return 0;
}
示例#2
0
size_t
ObjectFilePECOFF::GetModuleSpecifications (const lldb_private::FileSpec& file,
                                           lldb::DataBufferSP& data_sp,
                                           lldb::offset_t data_offset,
                                           lldb::offset_t file_offset,
                                           lldb::offset_t length,
                                           lldb_private::ModuleSpecList &specs)
{
    const size_t initial_count = specs.GetSize();

    if (ObjectFilePECOFF::MagicBytesMatch(data_sp))
    {
        DataExtractor data;
        data.SetData(data_sp, data_offset, length);
        data.SetByteOrder(eByteOrderLittle);

        dos_header_t dos_header;
        coff_header_t coff_header;

        if (ParseDOSHeader(data, dos_header))
        {
            lldb::offset_t offset = dos_header.e_lfanew;
            uint32_t pe_signature = data.GetU32(&offset);
            if (pe_signature != IMAGE_NT_SIGNATURE)
                return false;
            if (ParseCOFFHeader(data, &offset, coff_header))
            {
                ArchSpec spec;
                if (coff_header.machine == MachineAmd64)
                {
                    spec.SetTriple("x86_64-pc-windows");
                    specs.Append(ModuleSpec(file, spec));
                }
                else if (coff_header.machine == MachineX86)
                {
                    spec.SetTriple("i386-pc-windows");
                    specs.Append(ModuleSpec(file, spec));
                    spec.SetTriple("i686-pc-windows");
                    specs.Append(ModuleSpec(file, spec));
                }
            }
        }
    }

    return specs.GetSize() - initial_count;
}
size_t ObjectContainerUniversalMachO::GetModuleSpecifications(
    const lldb_private::FileSpec &file, lldb::DataBufferSP &data_sp,
    lldb::offset_t data_offset, lldb::offset_t file_offset,
    lldb::offset_t file_size, lldb_private::ModuleSpecList &specs) {
  const size_t initial_count = specs.GetSize();

  DataExtractor data;
  data.SetData(data_sp, data_offset, data_sp->GetByteSize());

  if (ObjectContainerUniversalMachO::MagicBytesMatch(data)) {
    llvm::MachO::fat_header header;
    std::vector<llvm::MachO::fat_arch> fat_archs;
    if (ParseHeader(data, header, fat_archs)) {
      for (const llvm::MachO::fat_arch &fat_arch : fat_archs) {
        const lldb::offset_t slice_file_offset = fat_arch.offset + file_offset;
        if (fat_arch.offset < file_size && file_size > slice_file_offset) {
          ObjectFile::GetModuleSpecifications(
              file, slice_file_offset, file_size - slice_file_offset, specs);
        }
      }
    }
  }
  return specs.GetSize() - initial_count;
}