On Sat, Apr 8, 2023 at 5:13 AM Nick Desaulniers <ndesaulniers@xxxxxxxxxx> wrote:
>
> On Wed, Mar 8, 2023 at 3:53 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> >
> > Drop the symbols generated by scripts/kallsyms itself automatically
> > instead of maintaining the symbol list manually.
> >
> > Pass the kallsyms object from the previous kallsyms step (if it exists)
> > as the third parameter of scripts/mksysmap, which will weed out the
> > generated symbols from the input to the next kallsyms step.
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > ---
> >
> > scripts/kallsyms.c | 17 -----------------
> > scripts/link-vmlinux.sh | 6 +++---
> > scripts/mksysmap | 11 ++++++++++-
> > 3 files changed, 13 insertions(+), 21 deletions(-)
> >
> > diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
> > index 8148e880f78e..e572fda6fe42 100644
> > --- a/scripts/kallsyms.c
> > +++ b/scripts/kallsyms.c
> > @@ -104,23 +104,6 @@ static bool is_ignored_symbol(const char *name, char type)
> > {
> > /* Symbol names that exactly match to the following are ignored.*/
> > static const char * const ignored_symbols[] = {
> > - /*
> > - * Symbols which vary between passes. Passes 1 and 2 must have
> > - * identical symbol lists. The kallsyms_* symbols below are
> > - * only added after pass 1, they would be included in pass 2
> > - * when --all-symbols is specified so exclude them to get a
> > - * stable symbol list.
> > - */
> > - "kallsyms_addresses",
> > - "kallsyms_offsets",
> > - "kallsyms_relative_base",
> > - "kallsyms_num_syms",
> > - "kallsyms_names",
> > - "kallsyms_markers",
> > - "kallsyms_token_table",
> > - "kallsyms_token_index",
> > - "kallsyms_seqs_of_names",
> > - /* Exclude linker generated symbols which vary between passes */
>
> ^ Do we want to retain this comment for the below two symbols?
Correct.
I will keep the comment, but it will be removed
in the next commit, 5/8 because all the ignored patterns
will go away anyway.
Thanks.
>
> > "_SDA_BASE_", /* ppc */
> > "_SDA2_BASE_", /* ppc */
> > NULL
--
Best Regards
Masahiro Yamada
