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Indirect jump

A jump via an indirect address, i.e. the jump instruction contains the address of a memory location that contains the address of the next instruction to execute.
The location containing the address to jump to is sometimes called a vector.
Indirect jumps make normal code hard to understand because the jump target is a run-time property of the program that depends on the execution history. They are useful for, e.g. allowing user code to replace operating system code or setting up event handlers.


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  • Indirectly

    [in-duh-rekt, -dahy-] /ˌɪn dəˈrɛkt, -daɪ-/ adjective 1. not in a direct course or path; deviating from a straight line; roundabout: an indirect course in sailing. 2. coming or resulting otherwise than directly or immediately, as effects or consequences: an indirect advantage. 3. not direct in action or procedure: His methods are indirect but not dishonest. […]

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