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bug#46256: [feature/native-comp] AOT eln files ignored if run from build
From: |
Andrea Corallo |
Subject: |
bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree |
Date: |
Tue, 09 Mar 2021 17:04:58 +0000 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Andrea Corallo <akrl@sdf.org>
>> Cc: pipcet@gmail.com, 46256@debbugs.gnu.org, andrewjmoreton@gmail.com
>> Date: Tue, 09 Mar 2021 15:38:54 +0000
>>
>> > I've now built the latest branch. It still crashes, in the same
>> > place, although with different Lisp files. I'm looking into this,
>> > will post the details.
>>
>> Thinking about, you might have stale eln files reachable in the
>> `comp-eln-load-path' generated with the bug fixed by 380ba045c4.
>
> Maybe. What I see is that we load a CU in Fnative_elisp_load followed
> by load_comp_unit, for the first time, and create a Lisp CU object for
> it:
>
> Lisp_Object comp_u_lisp_obj;
> XSETNATIVE_COMP_UNIT (comp_u_lisp_obj, comp_u);
>
> Then we store it in the shared library:
>
> if (comp_u->loaded_once)
> ...
> else
> *saved_cu = comp_u_lisp_obj;
>
> But then we clobber the value of comp_u_lisp_obj here:
>
> data_ephemeral_vec =
> load_static_obj (comp_u, TEXT_DATA_RELOC_EPHEMERAL_SYM);
>
> EMACS_INT d_vec_len = XFIXNUM (Flength (data_ephemeral_vec));
> for (EMACS_INT i = 0; i < d_vec_len; i++)
> data_eph_relocs[i] = AREF (data_ephemeral_vec, i); <<<<<<<<<<<
>
> Is this likely to be due to that problem?
Interesting, how can we clobber the value of 'comp_u_lisp_obj' that is
stack allocated while writing into 'data_eph_relocs[i]' that is static
allocated in an eln?
If we clobber 'comp_u_lisp_obj' this is certanly a problem as we have to
pass it to 'top_level_run' later on.
Thanks
Andrea
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, (continued)
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Pip Cet, 2021/03/08
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Andrea Corallo, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Pip Cet, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Andrea Corallo, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/08
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Andrea Corallo, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Andrea Corallo, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree,
Andrea Corallo <=
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Andrea Corallo, 2021/03/09
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/08
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Pip Cet, 2021/03/08
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/08
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/03
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/03
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Andrea Corallo, 2021/03/03
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Eli Zaretskii, 2021/03/03
- bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree, Andrea Corallo, 2021/03/03