I forgot to mention, to pass by value with CALL, you need [a] register[s].
e.g.:
void foo(int i, int j , &int k)
{
k = i + j;
}
* ASM
L R2,xyz
LHI R3,1
CALL FOO,((R2),(R3),BAR)
...
XYZ DS F
BAR DS F
Depending on # of registers available vs. # of value parms, CALL may become
infeasible.
sas
On Sun, Mar 26, 2023 at 6:36 PM Tony Thigpen <[email protected]> wrote:
> No. You will need to create a proper C-style parm list, load it's
> address into R1, and branch to the C routine address without using the
> CALL macro.
>
> Tony Thigpen
>
> Frank Swarbrick wrote on 3/26/23 17:35:
> > Can the MVS CALL macro be used to call a C function with "value"
> parameters (rather than reference parameters)?
> >
> >
> > ----------------------------------------------------------------------
> > For IBM-MAIN subscribe / signoff / archive access instructions,
> > send email to [email protected] with the message: INFO IBM-MAIN
>
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to [email protected] with the message: INFO IBM-MAIN
>
----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN
