Re: Segfault in libfontconfig

To: NetBSD/hpcsh <port-hpcsh%netbsd.org@localhost>, NetBSD/dreamcast <port-dreamcast%netbsd.org@localhost>
Subject: Re: Segfault in libfontconfig
From: "Valeriy E. Ushakov" <uwe%ptc.spbu.ru@localhost>
Date: Tue, 14 Sep 2004 22:37:10 +0400

On Tue, Sep 14, 2004 at 22:21:40 +0400, Valeriy E. Ushakov wrote:

> fontconfig library uses functions that return structures.  SuperH ABI
> uses r2 to pass the pointer to the memory for the returned structure.
> But dynamic linker happily blows r2 away (it's a scratch register
> otherwise) while doing the dynamic symbol resolution.

I wonder if _rtld_bind_start (libexec/ld.elf_so/arch/sh3/rtld_start.S)
should save/restore r2 instead of r3.

Marcus?

SY, Uwe
-- 
uwe%ptc.spbu.ru@localhost                         |       Zu Grunde kommen
http://www.ptc.spbu.ru/~uwe/            |       Ist zu Grunde gehen

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References:
- Segfault in libfontconfig
  - From: Matt Dainty
- Re: Segfault in libfontconfig
  - From: Valeriy E. Ushakov

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