Call.§Q DKKFEX -- Which writes a full screen from
the dump. DKKFED -- Which displays areas of the
dump. DKKLOC -- Wqich locates data strings. DKKSCR Which performs the scroll
function. DKKREG -- Which displays the registers. DMMVKB Which displays the VMBLOK summary. DMMMOD -- Which finds the modules and
resolves the addresses. DMMTRC -- Which displays the trace table
entries= CMS via the DUMPSCAN command. DMMDSC700I DMMDSC701R DMMDSC7191 DMMDSC720I DMMDSC721I DMMDSC722I DMKDSC723I DMMEDM -- EDITS AND PRINTS A CP DUMP DKMEDM R1:
R13:
R14:
R15:
Address of option list SVC save area address
Return address
Entry point address
If an error is encountered reading the CP du.p file (register 15 is nonzero), refer
to the CMS RDBUF code meanings. RDBUF Via SVC to read in the dump file. ERASE Via SVC to delete the CP du.p
file fro. the P-disk. CLOSIO Via SiC to close out the
printer. PRINTR -- Via SVC to print a line on the
printer. -- Via SVC to write a message to the console. IMMIN1 -- To create a problem report. eMS via the VMFDUMP command. IMMEDM100S IMMEDM2COS tMMEDM400S IMMEDM850I tMMEDM852I tMMEDM853I IMMEDM860I IMMEDM861E IMMEDM863E IMMEDM864I DMMFED -- DISPLAYS 'NNN' EYTES FROM AtDRESS 'BEXLOC' IMMFED -- Which formats the dump data. IMMFEDLN -- Which writes a line to the
terminal. CO!!Qition§ Register 2 points to the parameter list
with input truncated to 8-byte words.
R15: Return code
o Good
4 Error in DM!GET accompanied by
message DMMFEX702I or DMMFEX7031 8 Unrecoverable error tMMGET -- Which reads in an area of the dump. tMMDse, DMMFEX, DMMGET, DMMBEX, DMMOIE, tMMtOe, DMMMOD, DMMREG IMMFEt702I ItH'FED7031 Chapter 2. IPCS--The Interactive Proble. Control Syste. 39

DMMFEX -- DISPLAYS X'130' BYTES OF THE DUMP DMMFEX Register 2
containing
words. points to the parameter list
input truncated to 8-byte
R15: Return code
o Good
4 Bad return from DMMGET or
message DMMFEX7041 is issued. DMMDIR -- Which formats and displays the
data. DMMDSC, DMMLOC DMMFEX7041 DMMGET -- FETCHES PORTIONS OF THE DUMP INTO STORAGE DMMGET Register 2 contains the required dump address.
Register 2 contains the requested area's
in storage address.
R15: Return code
o Good
4 Warning message DMMGET7081 is
issued
R2 1'00' Page within dump not
dumFed 40 IBM VM/370 Service Routines Program Logic
R2 X'FF' Page outside range of dump 8 Read error and message DMKGET100S is issued Calle,g tMMINT -- Which translates the dump. tMMFE£, DMMFEX, DMMIOEi DMMLOC, DMMMOt, tMMREG, DMMSCR, DMMTRC, D!MVMB DMMGET100S DMMGE'I7081 DMMGRC -- READS DUMP RECCRD CeNTAINING DATA
A'! A GIVEN ADDRESS AND DATA BACK TC CALLER tMMGRC '1he shared constant area contains an
address at GRCPARM which is the requested
data address. Under normal conditions, register 1
points to the data read from the dumF_ Upon error return, control is passed tc tMMPRM to prompt the user fer information l::efore quitting. tMMPRM encountered tMMGRC) • Which handles errors
(control not returned tMMINI, DMMIDM, DMMCPA, tMMGRC1COS tMMGRC8C9S if
to