FUNCTION::REGISTERS_(3stap)

💖 function::registers_valid — Context Functions manual (FUNCTION::REGISTERS_(3stap)) 💖

okay bestie, this is a 3stap page from the Context Functions manual, and it's giving “can I touch registers or not?” energy. Let's go. ✨

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✨ NAME ✨

function::registers_valid — Determines validity of register and u_register in current context

✨ SYNOPSIS ✨

registers_valid:long()

✨ ARGUMENTS ✨

• None — bestie, there are literally no arguments. Not a single one. The function takes nothing. 🎀

✨ DESCRIPTION ✨

So here's the tea ☕: this function returns 1 if register and u_register can be used in the current context, or 0 otherwise. For example, registers_valid returns 0 when called from a begin or end probe. So if you're in one of those, expect a big fat 0. 💅

✨ SEE ALSO ✨

• tapset::context(3stap)

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💅 mwah! This was the SystemTap Tapset Reference, version Ver, dated September 2026, page FUNCTION::REGISTERS_(3stap), signing off 🫶