From: Sandeepa Prabhu <sandeepa.prabhu@linaro.org>
Date: Wed, 4 Dec 2013 05:50:20 +0000 (+0000)
Subject: arm64: support single-step and breakpoint handler hooks
X-Git-Tag: v3.14-rc1~153^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee6214cec7818867f368c35843ea1f3dffcbb57c;p=pandora-kernel.git

arm64: support single-step and breakpoint handler hooks

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@linaro.org>
Signed-off-by: Deepak Saxena <dsaxena@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---

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