[llvm-dev] Skipping a function/line in the debug information?

David Blaikie via llvm-dev
Mon, 24 Feb 2020 21:23:40 -0000

I don't know of any DWARF functionality or extensions that are currently
used to communicate "uninteresting" functions not to step into.

If there's a specific example where you've seen this behavior work as
you'd
like in another language/frontend/etc - if you provide that example I/we
might be able to explain why it works that way & how you could reproduce
that behavior.

On Mon, Feb 24, 2020 at 12:54 PM Levo DeLellis via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> I'm not sure where to look or if it's possible, if someone could
point me
> in the right direction that would be great
>
> There's a few internal functions in my language like WriteLine. When I
use
> lldb to 'thread step-in' (or vscode) the debugger will enter the
function.
> Is it possible to let lldb know it should skip the function? I tried using
> clang to find some clues but puts and other function all allow me to step
> in and gets a missing source error.
> Is there any llvm-ir code I can look at to show me how to skip a function?
> Or a language that generates the appropriate ir?
>
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