Re: z8k simulator broken

[Andrew Cagney <ac131313 at redhat dot com>]

> For the curious (why would you be curious?  I don't know.  I don't even
> know why I started doing this!) I don't know if this simulator was ever
> able to run GDB tests or simple newlib binaries but my guess is not
> recently.
>
> A z8002 binary (gdb.base/break) has a .text section of size 0xeb24 or
> so.  The heap is 0x5000, the stack is 0x1000, and AFAICT a z8002 has
> only 0x10000 memory.
>
> A z8001 has much more memory available but only in 64k segments, and
> .text is:
>   0 .text         00019a94  00000000  00000000  00000120  2**1
>                   CONTENTS, ALLOC, LOAD, CODE
>
> i.e. much more than the one segment it can use.
>
>
> I was trying to multi-arch the z8k on a lark, but it's not enough of a
> lark to try to get around _that_.  Let it die.
Hmm, I'll file this one away :-)

More evidence supporting the hard-nosed requirement that someone doing a 
multi-arch must ensure that the before/after code actually works.  GDB 
isn't in the business of trying to preserve dead code.

Andrew