[Info-vax] How much of VMS is still in MACRO-32?

[Arne Vajhøj]

On 6/2/2021 10:03 AM, Jan-Erik Söderholm wrote:
> Den 2021-06-02 kl. 15:08, skrev Arne Vajhøj:
>> On 6/1/2021 9:34 PM, Craig A. Berry wrote:
>>> On 6/1/21 12:33 PM, Stephen Hoffman wrote:
>>>> On 2021-06-01 15:27:34 +0000, Marc Van Dyck said:
>>>>> Don't you do that with Source Code Analyzer, for languages that 
>>>>> support it ?
>>>
>>>> I use DECset SCA and PCA only  rarely, as few sites have licenses for
>>>> that. Which means using symbol tables and maps, and the debugger,
>>>> and  preferably refactoring where permitted.
>>>
>>> And as far as I remember PCA doesn't work on shareable images, which
>>> means on any kind of application with a semi-modern architecture, you
>>> either do without
>>
>> Would it ignore the time spent in the shareable image or would it just
>> count it as being spent in the calling code?
> 
> Hm... Aren't the code in sharable images mapped into local process space
> and run just as if it had been in a locally loaded image? Does it make
> any differnce from the outside? I mean, if you don't start looking at
> actual physical addresses where the code is loaded into memory.

It was Craig that stated that it somehow acted differently.

I don't know why it would.

Maybe PCA does not distinguish between application shareable images
and VMS shareable images and it don't want to measure VMS shareable
images.

Maybe there is a different reason.

I have not used PCA since VAX.

Arne