[Info-vax] Hard links on VMS ODS5 disks

[Simon Clubley]

On 2023-07-23, John Reagan <xyzzy1959 at gmail.com> wrote:
> On Saturday, July 22, 2023 at 8:52:28?PM UTC-4, Stephen Hoffman wrote:
>> On 2023-07-22 20:57:03 +0000, John Reagan said: 
>> > 
>> > Simple? Try to deal with condition codes. Try to deal with routines 
>> > that jump between each other. Try to make the stack "look like a VAX" 
>> > on platforms that say otherwise. :)
>> Kinda wonder what radare2 would do with that stress test, err, with 
>> that xMacro32 executable. 
>> 
>> Semi-related is XTRAN, and which has been discussed before: 
>> http://www.xtran-llc.com/vxmcee.html 

Bloody hell Stephen, that auto-translated C code is even more ugly than
the Macro-32 version!!! :-)

>> http://www.xtran-llc.com/xtran.html#reengrg 
>
> The real ugly Macro-32 sources include LAD driver and the shadow driver.
> When we did the Itanium compiler, I had the compilers print out some
> internal counters into the .LIS file.  We were dealing with routines that
> enter in one places with one set of arguments and then jumped to another
> routine and returned from another routine's epilogue.  There are issues dealing
> with NaTs and such.  From what I can tell, EVERY .CALL_ENTRY and .JSB_ENTRY
> in the shadow driver can exist from EVERY possible RET.  Of course, in real life
> I'm sure the data doesn't do that, but Macro had to worry about it.  I'm not sure
> I could prepare myself for the XTRAN version of the shadow driver.

Errr, YUCK!!! :-)

You could always rewrite the shadow driver in C... :-)

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.