class Thread(Struct, partials={'S'}):
flavor: Enum(ThreadFlavor, UInt(32))
size: Processed(UInt(32), lambda x: x * 4, lambda x: x // 4) @ S.limit
state: Sized(Switch(fallback=Data(), options=THREAD_TYPES), exact=True) @ S
def on_parse_flavor(self, spec, context):
spec.state.type.selector = (context.user.cpu_type, self.flavor)
class Section(Struct, generics={'AddrSize'}):
name: Str(length=16, exact=True)
segment_name: Str(length=16, exact=True)
vm_offset: UInt(AddrSize)
vm_size: UInt(AddrSize)
file_offset: UInt(32)
alignment: UInt(32)
reloc_offset: UInt(32)
reloc_count: UInt(32)
flags: UInt(32)
_reserved: Data(12)
class LoadCommand(Struct, partials={'T', 'S'}):
type: Enum(LoadCommandType, Bits(31)) @ T.selector
vital: Bool(Bits(1))
size: Processed(UInt(32), lambda x: x - 8, lambda x: x + 8) @ S.limit
data: Sized(Switch(fallback=Data(), options=LOAD_COMMANDS) @ T,
exact=True) @ S
ChainedFixups = 52
FileSetEntry = 53
LOAD_COMMANDS = {}
def lc(i):
def inner(v):
LOAD_COMMANDS[i] = v
return v
return inner
lc(LoadCommandType.UUID)(Processed(Data(16), lambda x: uuid.UUID(bytes=x),
lambda x: x.bytes))
class Version(Struct):
patch: UInt(8)
minor: UInt(8)
major: UInt(16)
class BuildTool(enum.Enum):
Clang = 1
Swift = 2
LD = 3