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Re: [Qemu-arm] [Qemu-devel] [PATCH 01/23] target-arm: Log AArch64 except

From: Peter Maydell
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH 01/23] target-arm: Log AArch64 exception returns
Date: Tue, 27 Dec 2016 15:13:28 +0000

On 20 December 2016 at 15:31, Andrew Jones <address@hidden> wrote:
> Should we output both the destination PC (ELR) and the source PC (where
> the eret was)? Otherwise if there are many erets to the same entry point,
> then the logs won't fully enlighten us.

We don't really conveniently have the source PC, because it isn't
written out to env->pc at the point when this helper function
is called (the calling code in translate-a64.c doesn't call
gen_a64_set_pc(), because it knows the helper doesn't need to
care about the PC value).

-- PMM

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