SSAVE Hexadecimal Field Displacement Name o
2
4
8 10 18 1C 20 20 24
28 2C 30 34
38 3C 40 44
48 4C 50 54
58 5C 60 60 68 70 78 80 84
88 8C 90 94
95 9C AO A4
A8 AC OVIND DS TYPFLAG DS TPFERT EQU TPFNS EQU TPFROl EQU TPFUSR EQU TPFACB EQU TPFSV3 EQU TPFSVO EQU CODE DS CALLER DS CAL LEE DS OLDPSlf DS NRftRET DS ERRET DS EGPRS DS EGPRO DS EGPRl DS EGPR2 DS EGPR3 DS EGPR4 DS EGPR5 DS EGPR6 DS EGPR7 DS EGPR8 DS EGPR9 DS EGPR10 DS EGPR11 DS EGPR12 DS EGPR13 DS EGPR14 DS EGPR15 DS EFPRS DS EFPRO DS EFPR2 DS EFPR4 DS EFPR6 DS CHKlfRD1 DC SSAVENIT DS VEPRV DS USAVEPTR DS OSTEftP DS KEYP KEYS DC DS 1.211.2!!ng Subroutine XGPRO----ns IGPR1 DS IGPR15 DS ICOUNT DS CHKlfRD2 DC SSAVESZ EQU I BLl in TYPFLAG --1'80'--- 1'40' 1'20' 1'10' I'OS' 1'02' 1'01' H A D
D
A
A OF F F F F F F F F F F F F F F F F OD D
D
D
D C'ABCD' A A A F Field Description, Contents, A*l Override indicator: 0, 1, 2, and 3
A*2 SVC-type flag byte
Error return desired No save area allocated
Return callee's RO-R1 to User SVC call OS iSAM SVC request SVC 203 OS simulation SiC SVC 203 code value
Address of SVC caller
caller Name of routine being called SVC old PSlf of caller
Address for normal return
Address for error return
General-purpose registers at entry to SVC RO R1
R2
R3
R4
RS
R6
R7 RS R9 R10 R11
R12
R13
R14
R1S
Floating-point registers at entry FPRO FPR2 FPR4 FPR6 Check word one
Address of next SSAVE area
Address of previous SSAVE area
Address of corresponding user save area -see USAVE DSECT Temporary work area fer OS simulation routines Maximu. numter of keys in stack 1'00' A*3 Number of keys in stack
Key stack (KEYMAI) I F F F F C'EFGH' Extra copy of EGPRO Extra copy of EGPR1 Extra copy of EGPR1S Extra copy of SVCOUNT Check word two (*-SSAVE+7)/8 Size of syste. save area in deublewords (1'1S') 232 IBM VM/370 Data Areas and Control Elock Logic

SUESECT SUBSECT defines the fields in the SUBSET work area which is used by SUBSET cemmand processing and abend recovery.
The SUBSECT block is pointed to by the ASUESECT field in NUCCN. ,
o RftSGBUF 28 C!!STIft 40 STARS 50 ASUBRET 58 STAESAV SPIESAV 60 SWTCHSAV ASUBFST 68 ASUBSTAT 70 78 TIftBUF 90 Hexadecimal Field
Displacement Name Field Description, Contents, o
28
28 30 34
38 3C 40 40 48 50 54
54
58 5C 60 64
68 70 78 DS CMSTIM DS DC DS DS DS DS DS STARS DC DC DC DS ASUBRET DS STAESAV DS SPIESAV DS SiTCHSAV DS ASUBFST DS ASUBSTAT DS ERRNUM DS TIMBUF DS 10F OF F
F
A
F OF CL8'*' CL8'*' CL2'*' OF F
F
F
F
F
F
D
4D
Buffer area for formatting time message PLIS7 to obtain time fro. Virtual machine time used
Total processor time used Address of time buffer length (filled in by PLISi for ACTLKP (used by SUESET) Subset address for storage areas
Return address to caller STAE save area
SPIE save area Work area fer error return code Work area for to stcre date and time
Section 2. CMS rata Areas and Contrcl Blecks 233