[PATCH 1/2] [hw-breakpoint] Use generic hw-breakpoint interfaces for new PPC ptrace flags

[David Gibson]

On Thu, Dec 08, 2011 at 04:49:48PM +0530, K.Prasad wrote:
> PPC_PTRACE_GETHWDBGINFO, PPC_PTRACE_SETHWDEBUG and PPC_PTRACE_DELHWDEBUG are
> PowerPC specific ptrace flags that use the watchpoint register. While they are
> targeted primarily towards BookE users, user-space applications such as GDB
> have started using them for BookS too. This patch enables the use of generic
> hardware breakpoint interfaces for these new flags.
> 
> Apart from the usual benefits of using generic hw-breakpoint interfaces, these
> changes allow debuggers (such as GDB) to use a common set of ptrace flags for
> their watchpoint needs and allow more precise breakpoint specification (length
> of the variable can be specified).
> 
> Signed-off-by: K.Prasad <prasad at linux.vnet.ibm.com>

Ok, I think it's finally ready to go.

Acked-by: David Gibson <david at gibson.dropbear.id.au>

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