Re: [Tinycc-devel] Segfault when using '-static'

[Herman ten Brugge]

Yes.
The relocations that are missing are TLS relocations.
On other targets functions are missing that are in libgcc.a
which is only present in local gcc directory. These functions
must be implemented in libtcc to let -static work.

    Herman

On 5/26/22 17:13, Christian Jullien wrote:
> Just curious,
>
> When you say "All failed..."
> Is it the consequence of
>
> Rpi32
> tcc: error: Unknown relocation type for got: 107
>
> Rpi64
> tcc: error: Unknown relocation type for got: 313
>
> On macOS, issue is different (and logic AFAIK)
> tcc: error: library 'c' not found
> tcc: error: undefined symbol '_free'
> tcc: error: undefined symbol '_longjmp'
> tcc: error: undefined symbol '_malloc'
> tcc: error: undefined symbol '_printf'
> tcc: error: undefined symbol '_setjmp'
>
> ?
>
>
> -----Original Message-----
> From: Tinycc-devel [mailto:tinycc-devel-bounces+eligis=orange.fr@nongnu.org] On 
> Behalf Of Herman ten Brugge via Tinycc-devel
> Sent: Thursday, May 26, 2022 16:04
> To: tinycc-devel@nongnu.org
> Cc: Herman ten Brugge
> Subject: Re: [Tinycc-devel] Segfault when using '-static'
>
> I fixed the core dump problem but still cannot use -static on any platform.
> The problem is that TLS support is needed that is not implemented.
>
> I tried x86-64, i386, rasperry pi 32 and 64, riscv64 and macos, freebsd,
> netbsd.
>
> All failed for me because of missing TLS support.
>
> I only got this working on openbsd 7.1 (only tried x86_64).
>
>       Herman
>
>
> On 5/26/22 07:21, Arthur Williams wrote:
> > So noticed that I can no longer build static packages with tcc.
> >
> > ```
> > $ cat test.c
> > int main(){return 0;}
> > $./tcc -static test.c
> > Segmentation fault
> > ```
> >
> > I ran through git-bisect and concluded the regression was introduced in
> > 4c82b003420fabbb95e077866784badc1a49189b: Update for elflint problems.
> >
> > Simply reverting the commit allows the above example to not error. Any
> > objection to just reverting the offending commit.
> >
> > - Arthur
>
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