gtpi1m10System Installation Support Reference

Debugger Trace Table Entry Activation

User exit routine UCCDBTA is called when the TPF Assembler Debugger for VisualAge Client is about to activate a trace-by-program or trace-by-terminal entry. This user exit permits you to perform additional customization or initialization before the trace session starts. UCCDBTA is called if the DBTA exit point is active. Exit point DBTA is located in CSECT CCENBK.

General Conditions at Entry

The registers at entry to UCCDBTA are:

R9
Pointer to page 1 of the ECB.

R11-R15
See User Exit Routines - Common Entry Conditions.

System Conditions at Entry

System state
Supervisor

System mask
Inherited from the application

Protect key
0

Address Space
SVM or EVM.

Programming Considerations at Entry

  1. Access the debugger trace process block (IPROC) that is pointed to by the addresses in CE2PROC to determine which trace table is being used. The address of the trace table entry is in one of the following:
  2. See User Exit Routines - Common Programming Considerations for considerations.

Programming Considerations on Return

See User Exit Routines - Common Return Conditions.

General Conditions on Return

See User Exit Routines - Common Return Conditions.