def get_extdef_symbols(self, machos) -> list:
'''
get external reference symbol indices
'''
temp_list = []
temp_s = SymbolTable.SymbolTable(machos)
for (nlist, name) in temp_s.extdefsyms:
temp_list.append({"Symbol":name.decode("utf-8", errors="ignore"),
"Description":""})
return temp_list
def get_local_symbols(self,machos) -> list:
'''
get local symbols
'''
_list = []
s = SymbolTable.SymbolTable(machos)
for (nlist, name) in s.localsyms:
_list.append({ "Symbol":name.decode("utf-8",errors="ignore"),
"Description":""})
return _list
def get_undef_symbols(self, machos) -> list:
'''
get undefined symbols
'''
temp_list = []
temp_s = SymbolTable.SymbolTable(machos)
for (nlist, name) in temp_s.undefsyms:
temp_list.append({"Symbol":name.decode("utf-8", errors="ignore"),
"Description":""})
return temp_list
def _load_symbol_table(self):
stable = MachOLoaderSymbolTable.SymbolTable(self._header.parent)
# Parse out stable.extdefsyms
for esym in stable.extdefsyms:
sym = esym[0]
sym_str = esym[1] # No need to decode, apparently :-)
s = SymbolTableSymbol(self, sym_str, sym.n_type, sym.n_sect, sym.n_desc, sym.n_value - self.linked_base)
self.symbols.add(s)
# Parse out stable.undefsyms
for usym in stable.undefsyms:
sym = usym[0]
sym_str = usym[1]
s = SymbolTableSymbol(self, sym_str, sym.n_type, sym.n_sect, sym.n_desc, sym.n_value - self.linked_base)
self.symbols.add(s)
for lsym in stable.localsyms:
sym = lsym[0]
sym_str = lsym[1]
s = SymbolTableSymbol(self, sym_str, sym.n_type, sym.n_sect, sym.n_desc, sym.n_value - self.linked_base)
self.symbols.add(s)
# load commands
for c in a.headers[0].commands:
print(c[0])
if c[0].cmd == 25:
print(c[1])
for section in c[2]:
print(section.segname.strip(b'\0'), section.sectname.strip(b'\0'),
hex(section.addr), hex(section.size), "@", hex(c[1].fileoff))
#print(dir(section))
if c[1].filesize > 0:
hexdump(section.section_data)
# this parser is wrong (fixed with 64-bit one)
from macholib import SymbolTable
sym = SymbolTable.SymbolTable(a)
syms = {}
for l in sym.nlists:
print(l)
if l[0].n_value != 0:
syms[l[1]] = l[0].n_value
for k, v in syms.items():
print(k, hex(v))
from termcolor import colored
def compare(x, y):
ss = []