Re: [PATCH v2 02/19] gendwarfksyms: Add symbol list handling

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On Wed, Aug 28, 2024 at 02:35:29PM +0200, Petr Pavlu wrote:
> On 8/15/24 19:39, Sami Tolvanen wrote:
> > diff --git a/scripts/gendwarfksyms/dwarf.c b/scripts/gendwarfksyms/dwarf.c
> > index 65a29d0bd8f4..71cfab0553da 100644
> > --- a/scripts/gendwarfksyms/dwarf.c
> > +++ b/scripts/gendwarfksyms/dwarf.c
> > @@ -5,6 +5,48 @@
> > [...]
> > +
> > +static bool is_export_symbol(struct state *state, Dwarf_Die *die)
> > +{
> > +	Dwarf_Die *source = die;
> > +	Dwarf_Die origin;
> > +
> > +	state->sym = NULL;
> > +
> > +	/* If the DIE has an abstract origin, use it for type information. */
> > +	if (get_ref_die_attr(die, DW_AT_abstract_origin, &origin))
> > +		source = &origin;
> > +
> > +	state->sym = symbol_get(get_name(die));
> > +
> > +	/* Look up using the origin name if there are no matches. */
> > +	if (!state->sym && source != die)
> > +		state->sym = symbol_get(get_name(source));
> > +
> > +	state->die = *source;
> > +	return !!state->sym;
> > +}
> 
> Sorry, I don't want to comment much on function names.. but I realized
> the name of is_export_symbol() isn't really great. The "is_" prefix
> strongly indicates that it is only a query function, yet it changes the
> state. It makes its caller process_exported_symbols() hard to understand
> on the first read.

I see your point. How would you make this more obvious? get_ doesn't
seem entirely accurate either. match_ perhaps?

Sami




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