def parse_typedef(txt):
off = dwarfutils.extract_offset(txt)
name = dwarfutils.extract_name(txt)
if "__builtin_va_list" in name:
name = name.upper()
type_off, type_name = dwarfutils.extract_type(txt)
extract_and_parse_die(type_off)
DIEs[off] = DIETypedef(name=name, ttype=(type_off, type_name))
def parse_enumeration_type(txt):
off = dwarfutils.extract_offset(txt)
try:
name = dwarfutils.extract_name(txt)
except AttributeError:
name = None
DIEs[off] = DIEEnumeration(name=name, members=list())
parse_enumeration(off)
def parse_union_type(txt):
off = dwarfutils.extract_offset(txt)
try:
name = dwarfutils.extract_name(txt)
except AttributeError:
name = None
byte_size = dwarfutils.extract_byte_size(txt)
DIEs[off] = DIEUnion(name=name, byte_size=byte_size, members=list())
parse_union(off)
def parse_structure_type(txt):
off = dwarfutils.extract_offset(txt)
try:
name = dwarfutils.extract_name(txt)
except AttributeError:
name = None
try:
byte_size = dwarfutils.extract_byte_size(txt)
except AttributeError:
assert "AT_declaration" in txt
byte_size = -1
DIEs[off] = DIEStructure(name=name, byte_size=byte_size, members=list())
parse_struct(off)
def parse_enumeration(parent_off):
txts = dwarfutils.extract_dies_by_offset(args.dwarffile.name,
parent_off,
children=True)
assert dwarfutils.extract_tag(txts[0]) == "TAG_enumeration_type"
for txt in txts[1:]:
if "TAG_enumerator" in txt:
off = dwarfutils.extract_offset(txt)
DIEs[off] = DIEEnumerator(
name=dwarfutils.extract_name(txt),
const_value=dwarfutils.extract_const_value(txt))
DIEs[parent_off].members.append(off)
elif "NULL" in txt:
return
else:
raise NotImplementedError
else:
assert "AT_declaration" in txts[0]
def parse_member_type(txt):
off = dwarfutils.extract_offset(txt)
try:
name = dwarfutils.extract_name(txt)
except AttributeError:
name = None
type_off, type_name = dwarfutils.extract_type(txt)
extract_and_parse_die(type_off)
try:
location = dwarfutils.extract_location(txt)
except AttributeError:
try:
location = dwarfutils.extract_bit_location(txt)
except AttributeError:
location = -1
try:
bit_size = dwarfutils.extract_bit_size(txt)
except AttributeError:
bit_size = -1
DIEs[off] = DIEMember(name=name,
ttype=(type_off, type_name),
location=location,
bit_size=bit_size)
def parse_compile_unit_type(txt):
off = dwarfutils.extract_offset(txt)
DIEs[off] = DIECompileUnit(name=dwarfutils.extract_name(txt))
def parse_base_type(txt):
off = dwarfutils.extract_offset(txt)
DIEs[off] = DIEBase(name=dwarfutils.extract_name(txt),
byte_size=dwarfutils.extract_byte_size(txt))
def parse_variable_type(txt):
off = dwarfutils.extract_offset(txt)
name = dwarfutils.extract_name(txt)
type_off, type_name = dwarfutils.extract_type(txt)
extract_and_parse_die(type_off)
DIEs[off] = DIEVariable(name=name, ttype=(type_off, type_name))