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assemblyx86system-callsinterrupt

What does "int 0x80" mean in assembly code?

Can someone explain what the following assembly code does?

 int 0x80
Solution

  • It passes control to interrupt vector 0x80

    See http://en.wikipedia.org/wiki/Interrupt_vector

    On Linux, have a look at this: it was used to handle system_call. Of course on another OS this could mean something totally different.