Preparing the SAFSAMPX Sample Exit › Exit Specifications

Exit Specifications

The exit will not be called authorized. If you plan on using any privileged instructions, place the exit into an APF authorized library. The exit is called in 31-bit AMODE.

• Registers on Entry

  R0 - Entry code (decimal)
  

   00 - SAF entity is for an initialization call
  

   04 - SAF entity is for a command validation call
  

   08 - SAF entity is for a job name validation call
  

   12 - SAF entity is for a resource validation call
  

   16 - Termination call (No SAF entity passed)
  

  R1 - Security parameter area address, 
       mapped by DSECT SECC#### in macro ZSECC
  

  R2/12 - Work registers
  

  R13 - Save area
  

  R14 - Return address
  

  R15 - Entry address
  

• Registers on Exit

  R0 - N/A
  

  R1 - N/A
  

  R2/12 - Contents on entry
  

  R13 - Save area
  

  R14 - Return address
  

  R15 - Return code
  

   00 - Use SAF to decide
  

   04 - Bypass SAF, allow request
  

   08 - Bypass SAF, fail request