adding some useful attributes & method to DIE
diff --git a/elftools/dwarf/die.py b/elftools/dwarf/die.py
index f4fc2cb..fba5ed2 100644
--- a/elftools/dwarf/die.py
+++ b/elftools/dwarf/die.py
@@ -60,8 +60,18 @@
self.dwarfinfo = self.cu.dwarfinfo # get DWARFInfo context
self.stream = stream
self.offset = offset
+
self.attributes = OrderedDict()
- self._parse_DIE()
+ self.tag = None
+ self.has_children = None
+ self.size = 0
+
+ self._parse_DIE()
+
+ def is_null(self):
+ """ Is this a null entry?
+ """
+ return self.tag is None
def _parse_DIE(self):
""" Parses the DIE info from the section, based on the abbreviation
@@ -76,14 +86,22 @@
#
abbrev_code = struct_parse(
structs.Dwarf_uleb128(''), self.stream, self.offset)
+
+ # This may be a null entry
+ if abbrev_code == 0:
+ self.size = self.stream.tell() - self.offset
+ return
+
with preserve_stream_pos(self.stream):
abbrev_decl = self.cu.get_abbrev_table().get_abbrev(abbrev_code)
+ self.tag = abbrev_decl['tag']
self.has_children = abbrev_decl.has_children()
# Guided by the attributes listed in the abbreviation declaration, parse
# values from the stream.
#
for name, form in abbrev_decl.iter_attr_specs():
+ print '**', self.stream.tell()
raw_value = struct_parse(structs.Dwarf_dw_form[form], self.stream)
value = self._translate_attr_value(form, raw_value)
self.attributes[name] = AttributeValue(form, value, raw_value)
diff --git a/z.py b/z.py
index b41b70c..ea7c762 100644
--- a/z.py
+++ b/z.py
@@ -26,7 +26,8 @@
print 'CU header', cu.header
topdie = cu.get_top_DIE()
-print topdie.size, topdie.attributes
+print topdie.size, topdie.tag
+print topdie.attributes
#~ print dwarfinfo.structs.Dwarf_abbrev_entry.parse('\x13\x01\x01\x03\x50\x04\x00\x00')
