[Info-vax] VAX Macro to C conversion

[VAXman- at SendSpamHere.ORG]

In article <qh2ru6$6hv$1 at dont-email.me>, Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>On 2019-07-21, VAXman-  @SendSpamHere.ORG <VAXman- at SendSpamHere.ORG> wrote:
>> In article <qh1l3i$7t1$1 at dont-email.me>, Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>>>
>>>Also, will the Basic RTL work in _any_ of the inner modes ?
>>
>> Why?  Does the C RTL? ;)
>>
>
>$ search sys$examples:lrdriver.c memcpy
>       memcpy (sys_datap, qio_bufp, qio_buflen);
>$
>
>(And yes, I know it's a special kernel mode CRTL, not the usual
>user mode one. :-))

;)



>However, C is unique among the higher level languages in that it
>doesn't actually really _need_ a standard RTL for the actual language
>features (as opposed to library functions) in order to create
>functioning code.
>
>Even Ada code, which is designed for OS work, either needs a minimal
>RTL in kernel mode or to be compiled without support for the language
>features which use that RTL. [*]
>
>Basic also needs a runtime to function and unless there's any way to
>turn it off, that runtime needs to be able to function in the inner
>modes if you want to write OS internals code.
>
>[*] In GCC Ada, that's done by turning on the Zero Footprint Profile runtime:
>
>https://docs.adacore.com/gnathie_ug-docs/html/gnathie_ug/gnathie_ug/the_predefined_profiles.html#the-zero-footprint-profile
>
>(In case there are any Ada people here thinking of trying this, be aware
>that's in the Adacore version of GNAT Pro with all the associated licencing
>issues. If you want to use the FSF version of GCC, the last information
>I had was that you had to supply your own ZFP profile.)

So, all the other languages need the same sort of special RTL support
that was afforded to C. ;)

-- 
VAXman- A Bored Certified VMS Kernel Mode Hacker    VAXman(at)TMESIS(dot)ORG

I speak to machines with the voice of humanity.