Documentation for XPLINK and XPLINK64 is in the LE Vendor Interfaces manual.
-- Tom Marchant On Wed, 16 Jun 2021 21:56:41 +0000, Richard Way <richard....@microfocus.com> wrote: >I'm rather confused about the requirements for converting an existing AMODE 31 >"ordinary" assembler program to one that can participate in an XPLINK lp64 >environment, and I'm hoping one or more of you can help me to clarify this. > >I found documentation here --> >http://www.redbooks.ibm.com/redbooks/pdfs/sg245991.pdf, in section 4.2.1 >starting on page 24 that tells me what the register conventions are in XPLINK >as well as the restriction that my module cannot call other modules (which is >fine, it doesn't.) That section also explains the required prolog and epilog >macros. Some of the information is confusing to me though - for example, in >one section it says all XPLINK assembler code must be "leaf" modules that >don't call other modules, then it talks about the DSASIZE parameter on the >prolog macro being used to "buy" a stack frame, and then adds that "XPLINK >leaf (Xleaf) routines may not "buy" a stack frame!" (emphasis mine.) This >seems contradictory, so I must not be understanding it. >
