On Tue, 21 Oct 2014 07:30:32 -0500, Tom Marchant wrote:
>
>If you have an assembler called program, you don't need to issue SAM31 before 
>returning as long as you were called with one of BASSM, BASR or BALR. In all 
>of 
>these cases the return register (R14) contains sufficient information so that 
>BSM will return correctly.
> 
How does the content of R14 distinguish between the cases:

o Caller in AMODE 24

o Caller in AMODE 64; Return Address < 16MiB?

And, even, between:

o Caller in AMODE 31

o Caller in AMODE 64; 6GiB <= Return Address < 8GiB?

-- gil

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN

Reply via email to