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_const_type(txt):
off = dwarfutils.extract_offset(txt)
try:
type_off, type_name = dwarfutils.extract_type(txt)
except AttributeError:
type_off, type_name = None, None
else:
extract_and_parse_die(type_off)
DIEs[off] = DIEConst(ttype=(type_off, type_name))
def parse_subroutine_type(txt):
off = dwarfutils.extract_offset(txt)
try:
type_off, type_name = dwarfutils.extract_type(txt)
except AttributeError:
type_off, type_name = None, "void"
else:
extract_and_parse_die(type_off)
DIEs[off] = DIESubroutine(ttype=(type_off, type_name), members=list())
parse_subroutine(off)
def parse_subroutine(parent_off):
txts = dwarfutils.extract_dies_by_offset(args.dwarffile.name,
parent_off,
children=True)
assert dwarfutils.extract_tag(txts[0]) == "TAG_subroutine_type"
for txt in txts[1:]:
if "TAG_formal_parameter" in txt:
off = dwarfutils.extract_offset(txt)
type_off, type_name = dwarfutils.extract_type(txt)
extract_and_parse_die(type_off)
DIEs[off] = DIEFormalParameter(ttype=(type_off, type_name))
DIEs[parent_off].members.append(off)
elif "TAG_unspecified_parameters" in txt:
pass
elif "NULL" in txt:
return
else:
raise NotImplementedError
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_array_type(txt):
off = dwarfutils.extract_offset(txt)
type_off, type_name = dwarfutils.extract_type(txt)
extract_and_parse_die(type_off)
DIEs[off] = DIEArray(ttype=(type_off, type_name),
size=_extract_array_count(off))
def parse_volatile_type(txt):
off = dwarfutils.extract_offset(txt)
type_off, type_name = dwarfutils.extract_type(txt)
extract_and_parse_die(type_off)
DIEs[off] = DIEVolatile(ttype=(type_off, type_name))
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))
