void DynamicLoaderMacOSXDYLD::UpdateImageInfosHeaderAndLoadCommands(
ImageInfo::collection &image_infos, uint32_t infos_count,
bool update_executable) {
uint32_t exe_idx = UINT32_MAX;
// Read any UUID values that we can get
for (uint32_t i = 0; i < infos_count; i++) {
if (!image_infos[i].UUIDValid()) {
DataExtractor data; // Load command data
if (!ReadMachHeader(image_infos[i].address, &image_infos[i].header,
&data))
continue;
ParseLoadCommands(data, image_infos[i], NULL);
if (image_infos[i].header.filetype == llvm::MachO::MH_EXECUTE)
exe_idx = i;
}
}
Target &target = m_process->GetTarget();
if (exe_idx < image_infos.size()) {
const bool can_create = true;
ModuleSP exe_module_sp(
FindTargetModuleForImageInfo(image_infos[exe_idx], can_create, NULL));
if (exe_module_sp) {
UpdateImageLoadAddress(exe_module_sp.get(), image_infos[exe_idx]);
if (exe_module_sp.get() != target.GetExecutableModulePointer()) {
// Don't load dependent images since we are in dyld where we will know
// and find out about all images that are loaded. Also when setting the
// executable module, it will clear the targets module list, and if we
// have an in memory dyld module, it will get removed from the list
// so we will need to add it back after setting the executable module,
// so we first try and see if we already have a weak pointer to the
// dyld module, make it into a shared pointer, then add the executable,
// then re-add it back to make sure it is always in the list.
ModuleSP dyld_module_sp(GetDYLDModule());
const bool get_dependent_images = false;
m_process->GetTarget().SetExecutableModule(exe_module_sp,
get_dependent_images);
if (dyld_module_sp) {
if (target.GetImages().AppendIfNeeded(dyld_module_sp)) {
std::lock_guard<std::recursive_mutex> baseclass_guard(GetMutex());
// Also add it to the section list.
UpdateImageLoadAddress(dyld_module_sp.get(), m_dyld);
}
}
}
}
}
}
bool
DynamicLoaderMacOSXDYLD::ReadImageInfos (lldb::addr_t image_infos_addr,
uint32_t image_infos_count,
ImageInfo::collection &image_infos)
{
std::lock_guard<std::recursive_mutex> baseclass_guard(GetMutex());
const ByteOrder endian = GetByteOrderFromMagic (m_dyld.header.magic);
const uint32_t addr_size = m_dyld.GetAddressByteSize();
image_infos.resize(image_infos_count);
const size_t count = image_infos.size() * 3 * addr_size;
DataBufferHeap info_data(count, 0);
Error error;
const size_t bytes_read = m_process->ReadMemory (image_infos_addr,
info_data.GetBytes(),
info_data.GetByteSize(),
error);
if (bytes_read == count)
{
lldb::offset_t info_data_offset = 0;
DataExtractor info_data_ref(info_data.GetBytes(), info_data.GetByteSize(), endian, addr_size);
for (size_t i = 0; i < image_infos.size() && info_data_ref.ValidOffset(info_data_offset); i++)
{
image_infos[i].address = info_data_ref.GetPointer(&info_data_offset);
lldb::addr_t path_addr = info_data_ref.GetPointer(&info_data_offset);
image_infos[i].mod_date = info_data_ref.GetPointer(&info_data_offset);
char raw_path[PATH_MAX];
m_process->ReadCStringFromMemory (path_addr, raw_path, sizeof(raw_path), error);
// don't resolve the path
if (error.Success())
{
const bool resolve_path = false;
image_infos[i].file_spec.SetFile(raw_path, resolve_path);
}
}
return true;
}
else
{
return false;
}
}