Input Register Information

Before calling the Register_For_Allocates service, the caller must ensure that the following GPRs contain the specified information:
Register
Contents
1
Address of the parameter list
13
Address of a standard 18-word save area
14
Return address
15
Entry point address of the service being called.
Before calling the Register_For_Allocates service, the caller must ensure that the following access registers (ARs) contain the specified information:
Register
Contents
1
0
13 - 15
0