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Date: Tue, 29 Apr 2008 15:35:53 -0700 (PDT)
Message-Id: <20080429.153553.197741534.davem@davemloft.net>
To: jason.wessel@windriver.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: kgdb with sw single-step...
From: David Miller <davem@davemloft.net>
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From: Jason Wessel <jason.wessel@windriver.com>
Date: Tue, 29 Apr 2008 10:01:38 -0500

> I don't think you have to actually change gdb, because for sparc64 gdb
> is set to "set_gdbarch_software_single_step (gdbarch, NULL);" This
> means it is always going to ask the stub to perform the single
> stepping.

You're reading the wrong code.

The generic sparc stuff in sparc-tdep.c sets it to
sparc_software_single_step.

Only the Solaris specific sparc target code in sparc-sol2-tdep.c
overrides this setting to NULL.