On 3/30/2012 12:13 PM, Tony Harminc wrote:
On 30 March 2012 13:55, Steve Comstock<st...@trainersfriend.com> wrote:
[...]
I would definitely look at CEEPIPI; however, this involves non-LE Assembler
invoking a routine to set up one or more LE environments then running either
a main or a subroutine under those environments. It's not clear if that kind
of structure works for what you are trying to do.
Is it not generally the case that LE assembler can make itself non-LE
for purposes of calling something, just by not passing the appropriate
value in R12?
Tony H.
Whoa! That's news to me!!
I don't think so.
R12 points to the Common Anchor Area; being LE-conforming
means, among other things, that an ESTAE (and usually an
ESPIE) is established; a heap and a stack have been acquired,
and other infrastructure put into place.
That being said, LE Assembler can call non-LE programs (usually
Assembler themselves) with no problem (well, there are a few
sticky situations), with no need to change R12 contents.
--
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-Steve Comstock
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