Re: Serious compatibility breakage in -current.

On Nov 29, 2007 3:28 AM, Kostik Belousov <kostikbel@xxxxxxxxx> wrote:
Please, try the patch below and report whether it is enough to fix cmucl
and any other regressions.

With this patch applied old and new binaries are delivered a SIGBUS
instead of SIGSEGV and the si_code is always BUS_ADRERR. This is
halfway between the behavior old binaries expect and the new behavior.
When an access violation occurs, old binaries expect a SIGBUS and an
si_code of BUS_PAGE_FAULT. Presumably, we want new binaries to
receive a SIGSEGV when an access violation occurs. This patch does
not consider whether we are running under an old or new binary. Is
that really okay?
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