From: Richard Henderson <rth@redhat.com>
To: Jim Blandy <jimb@redhat.com>
Cc: Andrew Cagney <ac131313@redhat.com>,
Mark Kettenis <kettenis@chello.nl>,
mludvig@suse.cz, gdb@sources.redhat.com,
Alexandre Oliva <aoliva@redhat.com>
Subject: Re: dwarf-frame.c question
Date: Tue, 03 Jun 2003 17:38:00 -0000 [thread overview]
Message-ID: <20030603173600.GI19452@redhat.com> (raw)
In-Reply-To: <20030603155646.GA19391@redhat.com>
On Tue, Jun 03, 2003 at 08:56:46AM -0700, Richard Henderson wrote:
> Does this have any other adverse side effects though?
Actually, I can think of one -- this would break the existing
jiggery-pokery that happens during exception handling.
The __cxa_throw routine is known to be noreturn. If we changed
the return address at which it unwound, this would render all
existing EH information invalid, since the throw may not be
"inside" the region that is expecting calls that can throw.
Sorry.
r~
next prev parent reply other threads:[~2003-06-03 17:38 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-27 15:19 Michal Ludvig
2003-05-29 15:44 ` Mark Kettenis
2003-05-29 19:54 ` Andrew Cagney
2003-05-29 22:22 ` Mark Kettenis
2003-05-29 22:43 ` Michal Ludvig
2003-05-29 23:13 ` Andrew Cagney
2003-05-30 1:34 ` Daniel Jacobowitz
2003-05-30 20:21 ` Jim Blandy
2003-05-30 20:32 ` Andrew Cagney
2003-06-03 0:04 ` Jim Blandy
2003-06-03 5:47 ` Richard Henderson
2003-06-03 6:32 ` Jim Blandy
2003-06-03 15:58 ` Richard Henderson
2003-06-03 17:38 ` Richard Henderson [this message]
2003-06-03 20:12 ` Alexandre Oliva
2003-05-30 20:44 ` Alexandre Oliva
2003-05-30 20:21 ` Jim Blandy
2003-06-01 5:59 Richard Henderson
2003-06-01 10:00 ` Mark Kettenis
2003-06-02 20:34 ` Richard Henderson
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