def analyze_cu(self, cu: CompileUnit):
# CompileUnit情報を取得
self._cu_info = utilDwarf.cu_info()
# CompileUnit=fileなので(?)、ファイル名、パスを取得
top_die = cu.get_top_DIE()
# コンパイル時ディレクトリ情報を取得
if "DW_AT_comp_dir" in top_die.attributes.keys():
self._cu_info.compile_dir = top_die.attributes[
"DW_AT_comp_dir"].value.decode(self._encoding)
else:
self._cu_info.compile_dir = "."
# ファイル名取得
if "DW_AT_name" in top_die.attributes.keys():
self._cu_info.filename = top_die.attributes[
"DW_AT_name"].value.decode(self._encoding)
else:
self._cu_info.filename = ""
# ファイル情報
if self._debug_warning:
print("CU file: " + self._cu_info.compile_dir + "\\" +
self._cu_info.filename)
# CompileUnitヘッダ解析
self._cu_info.address_size = cu.header['address_size']
self._cu_info.debug_abbrev_offset = cu.header['debug_abbrev_offset']
self._cu_info.unit_length = cu.header['unit_length']
# debug comment
# print(" address_size : " + str(self._curr_cu_info.address_size))
# print(" debug_abbrev_offset: " + str(self._curr_cu_info.debug_abbrev_offset))
# print(" unit_length : " + str(self._curr_cu_info.unit_length))
# file_entryは 0:存在しない になるので、Noneを入れておく
self._cu_info.file_list.append(None)
# include_directory は 0:カレントディレクトリ？ になるので、
# DW_AT_comp_dirを入れておく
self._cu_info.include_dir_list.append(self._cu_info.compile_dir)
# .debug_line解析
line_program = self._dwarf_info.line_program_for_CU(cu)
if line_program is not None:
self._debug_line = line_program
self.analyze_line(line_program)
# DIE解析
die: DIE
for die in cu.iter_DIEs():
self.analyze_die(die)
def get_cu_base_address(self, cu: CompileUnit) -> Optional[int]:
base = self._base_addresses.get(cu, None)
if base == None:
base = self._base_addresses.setdefault(cu, self.get_start_address(cu.get_top_DIE()))
return base
def unit_get_producer(self, handler: CompileUnit):
result = self.get_attribute(handler.get_top_DIE(), 'DW_AT_producer')
if result is None:
result = super().unit_get_producer(handler)
return result
def unit_get_comp_dir(self, handler: CompileUnit):
return self.get_attribute(handler.get_top_DIE(), 'DW_AT_comp_dir')
def unit_get_functions(self, handler: CompileUnit):
return self.filter_children(handler.get_top_DIE(), 'DW_TAG_subprogram')
def unit_get_variables(self, handler: CompileUnit):
return self.filter_children(handler.get_top_DIE(), 'DW_TAG_variable')
def unit_get_language(self, handler: CompileUnit):
return self.get_attribute(handler.get_top_DIE(), 'DW_AT_language')
def unit_get_filename(self, handler: CompileUnit):
return self.get_attribute(handler.get_top_DIE(), 'DW_AT_name')