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erpt: support older erpt binaries

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This commit is contained in:
Michael Scire 2020-09-23 17:36:46 -07:00
parent feba788bc6
commit 5ac9e45d86
1 changed files with 10 additions and 3 deletions
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9
utilities/erpt.py
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@ -273,8 +273,9 @@ def get_full(nxo):
s.resolved = LOAD_BASE + s.value s.resolved = LOAD_BASE + s.value
if s.name: if s.name:
if s.type == STT_FUNC: if s.type == STT_FUNC:
print(hex(s.resolved), s.name) #print(hex(s.resolved), s.name)
#idaapi.add_entry(s.resolved, s.resolved, s.name, 0) #idaapi.add_entry(s.resolved, s.resolved, s.name, 0)
pass
else: else:
#idaapi.force_name(s.resolved, s.name) #idaapi.force_name(s.resolved, s.name)
pass pass
@ -354,11 +355,17 @@ def find_categories(full, num_fields):
def find_types(full, num_fields): def find_types(full, num_fields):
KNOWN = range(10) + [4, 4, 2, 4] KNOWN = range(10) + [4, 4, 2, 4]
KNOWN_OLD = range(10) + [4, 4, 0, 4]
try:
ind = full.index(''.join(pk('<I', i) for i in KNOWN)) ind = full.index(''.join(pk('<I', i) for i in KNOWN))
except ValueError:
ind = full.index(''.join(pk('<I', i) for i in KNOWN_OLD))
return list(up('<'+'I'*num_fields, full[ind:ind+4*num_fields])) return list(up('<'+'I'*num_fields, full[ind:ind+4*num_fields]))
def find_flags(full, num_fields): def find_flags(full, num_fields):
KNOWN = '\x00' + ('\x01'*6) + '\x00\x01\x01\x00' KNOWN = '\x00' + ('\x01'*6) + '\x00\x01\x01\x00'
if num_fields < 443 + len(KNOWN):
return [0] * num_fields
ind = full.index(KNOWN) - 443 ind = full.index(KNOWN) - 443
return list(up('<'+'B'*num_fields, full[ind:ind+num_fields])) return list(up('<'+'B'*num_fields, full[ind:ind+num_fields]))