From: Ralf Baechle <ralf@oss.sgi.com>
To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Cc: Florian Lohoff <flo@rfc822.org>, Pete Popov <ppopov@mvista.com>,
linux-mips@oss.sgi.com
Subject: Re: Illegal instruction - a workaround or fix ?
Date: Mon, 30 Apr 2001 17:24:19 -0300 [thread overview]
Message-ID: <20010430172419.B30998@bacchus.dhis.org> (raw)
In-Reply-To: <Pine.GSO.3.96.1010430113243.889B-100000@delta.ds2.pg.gda.pl>; from macro@ds2.pg.gda.pl on Mon, Apr 30, 2001 at 11:34:32AM +0200
On Mon, Apr 30, 2001 at 11:34:32AM +0200, Maciej W. Rozycki wrote:
> > A different solution would be to take the usual exit in sysmips via
> > the return at the end (for which the compiler generated a correct
> > epilogue) and modify the return address - This is an very ugly hack
> > and you cant tell where the compiler stores the ra on the stack.
>
> It could be doable with __builtin_frame_address(). Haven't investigated
> it further, though.
MIPS ABI doesn't define that ra gets stored at a constant offset in
the stackframe, so that won't work.
Ralf
next prev parent reply other threads:[~2001-04-30 20:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-11 18:16 Illegal instruction - a workaround or fix ? Florian Lohoff
2001-03-12 11:21 ` Ralf Baechle
2001-03-12 13:41 ` Florian Lohoff
2001-04-20 19:05 ` Pete Popov
2001-04-20 19:18 ` Ralf Baechle
2001-04-20 19:19 ` Pete Popov
2001-04-20 19:48 ` Florian Lohoff
2001-04-20 19:58 ` Florian Lohoff
2001-04-30 9:34 ` Maciej W. Rozycki
2001-04-30 20:24 ` Ralf Baechle [this message]
2001-05-02 13:21 ` Maciej W. Rozycki
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