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joannechiou
Beginner
129 Views

x86_64 machine executes x86 binary

dear all,

i am executing 32-bit x86 binary on x86_64 machine,
does it need to do some action like switch mode between x86 and x86_64 ??
if so, how does it perform??

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2 Replies
AndreyKarpov
Black Belt
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TimP
Black Belt
129 Views

Both Windows and linux support running 32-bit applications under 64-bit OS, with the CPU mode bit reset. This appears to introduce additional opportunities for exploits.
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