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Thread: BP on value?

  1. #1
    Anonymous
    Guest

    BP on value?

    can you set a breakpoint that activates when a register points to a specified value, like eax="abc" ?
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  2. #2

    BP on value?

    psyCK0: forgot to login ?

    nope, it is not possible because OD must check the registers on every instruction -> slow.
    you can use conditional breakpoint on a specific API to break when [EAX]=="abc"

  3. #3
    Cvx
    Guest

    BP on value?

    This may sound stupid, but what exactly would be the difference between register and memory breakpoints, speedwise?
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  4. #4
    Anonymous
    Guest

    BP on value?

    Memory breakpoints can be done in hardware (ollydbg does not interfere until breakpoint is reached). Register breakpoints must be done in software at the end of every instruction execution.
    I promise that I have read the FAQ and tried to use the Search to answer my question.

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