[PATCH v4] arm64: support single-step and breakpoint handler hooks

[Catalin Marinas]

On Wed, Dec 04, 2013 at 05:50:20AM +0000, Sandeepa Prabhu wrote:
> AArch64 Single Steping and Breakpoint debug exceptions will be
> used by multiple debug framworks like kprobes & kgdb.
> 
> This patch implements the hooks for those frameworks to register
> their own handlers for handling breakpoint and single step events.
> 
> Reworked the debug exception handler in entry.S: do_dbg to route
> software breakpoint (BRK64) exception to do_debug_exception()
> 
> Signed-off-by: Sandeepa Prabhu <sandeepa.prabhu at linaro.org>
> Signed-off-by: Deepak Saxena <dsaxena at linaro.org>
> Acked-by: Will Deacon <will.deacon at arm.com>

Thanks. Applied.

-- 
Catalin