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fix file mapping error #31

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fix file mapping error #31

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11 changes: 8 additions & 3 deletions plugins/patching/util/ida.py
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Original file line number Diff line number Diff line change
Expand Up @@ -94,9 +94,14 @@ def apply_patches(filepath):
def visitor(ea, file_offset, original_value, patched_value):

# the patched byte does not have a know file address
if file_offset == ida_idaapi.BADADDR:
print("%08X: has no file mapping (original: %02X patched: %02X)...skipping...\n" % (ea, original_value, patched_value))
return 0
if file_offset == -1:
fpos = ea - ida_nalt.get_imagebase()
if fpos > 0:
print(f"Manually calculated file_offset: {hex(fpos)}")
file_offset=fpos
else:
print("%08X: has no file mapping (original: %02X patched: %02X)...skipping...\n" % (ea, original_value, patched_value))
return 0

# seek to the patch location
f.seek(file_offset)
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