ESC entry for the TPESC macro

Entry:
ESC
VIT option:
ESC
Event:
TPESC macro
VIT processing module:
ISTRACOT
Control is returned to:
ISTESC01
This trace record identifies the address of the next routine to get control in a destination vector table (DVT). The PAB address identifies the process. Using the request parameter header (RPH) address, you can correlate this trace record to the DSP entry to determine when the process was dispatched.
REQTEXT
Byte (hex)
Contents
00–03
Record ID: C"ESC"
04
ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
05
0
06–07
PAB offset
08–0B
Dispatch address from DVT
0C–0F
PAB address
10–13
Address of the issuer of the TPESC macro
14–17
RPH work element
18–1B
One of the following items:
  • Module name abbreviation (bytes 4, 5, 7, and 8 of the name of the next module to get control)
  • PAB DVT address (high-order bit of X'18' = 0)
1C–1F
Request parameter header (RPH) address