From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: davem@davemloft.net
Cc: gdb-patches@sourceware.org, roland@redhat.com
Subject: Re: [PATCH]: Fix syscall restart handling on sparc*-linux
Date: Sun, 11 May 2008 22:11:00 -0000 [thread overview]
Message-ID: <200805112033.m4BKXYXQ010781@brahms.sibelius.xs4all.nl> (raw)
In-Reply-To: <20080511.131850.175173142.davem@davemloft.net> (message from David Miller on Sun, 11 May 2008 13:18:50 -0700 (PDT))
> Date: Sun, 11 May 2008 13:18:50 -0700 (PDT)
> From: David Miller <davem@davemloft.net>
>
> I've just added a change to the Linux kernel so that gdb can cancel
> system call restarting just like powerpc and x86 do under Linux.
>
> I've done this by adding a piece of software state, a single bit, into
> the processor state register provided to the debugger, that was
> otherwise totally unused before.
Clever!
> The write_pc target method simply clears the bit, which does nothing
> on previous kernels, but cancels syscall restart on newer kernels.
>
> This fixes 40 or so testsuite failures.
>
> Ok to commit?
I wouldn't mind a #define for these bits. Otherwise, it looks fine to me.
> 2008-05-11 David S. Miller <davem@davemloft.net>
>
> * sparc-linux-tdep.c (sparc_linux_write_pc): New.
> (sparc32_linux_init_abi): Register it.
> * sparc64-linux-tdep.c (sparc64_linux_write_pc): New.
> (sparc64_linux_init_abi): Register it.
next prev parent reply other threads:[~2008-05-11 20:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-11 22:03 David Miller
2008-05-11 22:11 ` Mark Kettenis [this message]
2008-05-11 22:44 ` David Miller
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