Is it supoosed to be up-to-date and 64-bit compatible?
I'm asking because for instance, this line looks suspicious:
(*((unsigned long *)addr) == MH_MAGIC ||
What looks suspicious about it?
The ability to run this code as a 64-bit executable.
The magic cookie is a 32-bit value. AFAIK, if you build a 64-bit
executable and use unsigned long, it's a 64-bit value.
With a PowerPC, I'm not sure you can guarantee that the higher 4
bytes will be equal to 0x00000000 as the magic cookie can be the
first 4 bytes of a file (non fat). With an Intel Mac, the issue would
be different, since it would assume that the 4 bytes after the magic
cookie in the binary should be 0x00000000 instead of the cpu_type.
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