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;
}
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;
}
