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H A Dinternals.hdiff 9b12b6b44250c23cd29161ca7007559e22beaf94 Fri Sep 17 20:23:07 CDT 2021 Richard Henderson <richard.henderson@linaro.org> target/arm: Implement arm_cpu_record_sigsegv

Because of the complexity of setting ESR, continue to use
arm_deliver_fault. This means we cannot remove the code
within cpu_loop that decodes EXCP_DATA_ABORT and
EXCP_PREFETCH_ABORT.

But using the new hook means that we don't have to do the
page_get_flags check manually, and we'll be able to restrict
the tlb_fill hook to sysemu later.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
H A Dcpu.cdiff 9b12b6b44250c23cd29161ca7007559e22beaf94 Fri Sep 17 20:23:07 CDT 2021 Richard Henderson <richard.henderson@linaro.org> target/arm: Implement arm_cpu_record_sigsegv

Because of the complexity of setting ESR, continue to use
arm_deliver_fault. This means we cannot remove the code
within cpu_loop that decodes EXCP_DATA_ABORT and
EXCP_PREFETCH_ABORT.

But using the new hook means that we don't have to do the
page_get_flags check manually, and we'll be able to restrict
the tlb_fill hook to sysemu later.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>