[lkml]   [2003]   [Jan]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] Set TIF_IRET in more places
On Tue, Jan 07, 2003 at 06:33:48PM -0800, Linus Torvalds wrote:
> On Tue, 7 Jan 2003, Richard Henderson wrote:
> > > We're open to better ideas ...
> >
> > Something like having dwarf2 unwind information for the
> > vsyscall page on the page as well?
> What would the unwind info look like? The current BK kernel will put the
> signal return into the vsyscall page, so gdb could pick up the info from
> there. But I have no idea what the unwind info looks like, or how to tell
> gdb about it.

Right now you can't, since GDB won't use the unwind info anyway; but
Richard is probably talking about MD_FALLBACK_FRAME_STATE_FOR, which is
used for exception handling unwinding instead of debugging unwinding.

Someday soon I hope to have GDB properly using this info, too.

Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:32    [W:0.058 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site