FUNCTION::USYMLINE(3stap) Context Functions FUNCTION::USYMLINE(3stap)

# [NAME](#NAME)

function::usymline - Return the line number of an address.

# [SYNOPSIS](#SYNOPSIS)

```


    usymline:string(addr:long)
```

# [ARGUMENTS](#ARGUMENTS)

*addr*

The address to translate.

# [DESCRIPTION](#DESCRIPTION)

Returns the (approximate) line number of the given address, if known. If the line number cannot be found, the hex string representation of the address will be returned.

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::context-symbols*(3stap)](/man/enterprise-packages/systemtap/tapset::context-symbols.3stap) [*tapset::ucontext-symbols*(3stap)](/man/enterprise-packages/systemtap/tapset::ucontext-symbols.3stap)

September 2026 SystemTap Tapset Reference Ver

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Document: function::usymline(3stap) from systemtap 5.6-r0 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git