Re: The joy of FORTRAN

On 26/09/2024 13:43, Lawrence D'Oliveiro wrote:

On Thu, 26 Sep 2024 11:49:37 +0100, Pancho wrote:
 

On 9/26/24 11:10, Lawrence D'Oliveiro wrote:

>
On Thu, 26 Sep 2024 08:42:32 +0100, Pancho wrote:
>

... a bitch to work out how to call Vax C from Vax Pascal, or vice
versa.

>
Why would it be that hard? VAX C passed everything by value, while
Pascal let you specify descriptors, references, immediate value ... all
the options.

>
There ware decisions to be made, like what order do you push variables
onto the stack, when do you push the return address, how to interpret a
Pascal String in C.

 All these things were standardized in the VAX/VMS ABI, right from the
beginning.

IIRC, VAX C did not completely follow the standard calling conventions, which created some issues in mixed-language applications.