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Will Deacon authored
If we fail to deliver a signal due to taking an unhandled fault on the stackframe, we can call arm64_notify_segfault to deliver a SEGV can deal with printing any unhandled signal messages for us, rather than roll our own printing code. A side-effect of this change is that we now deliver the frame address in si_addr along with an si_code of SEGV_{ACC,MAP}ERR, rather than an si_addr of 0 and an si_code of SI_KERNEL as before. Signed-off-by: Will Deacon <will.deacon@arm.com>
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