Re: Loading debug symbols for load-foreign-library

On Thu, Sep 12, 2024 at 02:15:48AM +0400, Artyom Bologov wrote:
> Hi y'all,
> 
> I'm working on a Guile-based tool (https://github.com/aartaka/mgamma)
> reliant on (system foreign-library) FFI. So I'm doing multiple
> load-foreign-library for the libraries used. But when I need to debug
> the code at the intersection of Guile and these libraries in GDB, I
> can't get debug symbols.
> 
> I'm on Guix, which complicates things a bit. I've followed the
> instructions for GDB setup from
> https://guix.gnu.org/manual/en/html_node/Separate-Debug-Info.html It
> makes C programs I compile debuggable with all the symbols present. But
> it doesn't propagate to Guile somewhy, even though I'm loading the same
> libraries C programs are linked against.
> 
> The only thing that differs between C and Guile seems to be dlopen/dlsym
> used in Guile instead of linking libraries into the binary C compiler
> does. Might this be the reason? How do I fix that and get my debug
> symbols, if anyhow?

AFAIK, gdb "just" has to find the .so in question (provided that this
has debug symbols, of course).

Cheers
-- 
t

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