Chris Craddock wrote:
Well if they already -have- a save area of their own, then they
presumably have already done a STORAGE OBTAIN (or whatever technique
floats their boats) and they can probably spare a few extra bytes for
parameter lists and return areas for IEANTRT. Those would be the
sensible ones.
and I understand why, but I need not be so polite.
The use of STORAGE OBTAIN to acquire heap storage for a DSA is no longer
really acceptable. DSA's are classical examples of LIFO storage and they
should be obtained by a push operation on a stack, one's own or one supplied
and managed by an IBM [sub]system.
A single DSA so obtained can, as Chris of course pointed out, be sized to
provide both a register-save area and any other LIFO storage that may be
required.
John Gilmore
Ashland, MA 01721-1817
USA
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