Technical data

/CONDITION_VALUE qualifier, SDA–51
Connection manager, displaying SDA information,
SDA–85
/CONNECTION qualifier, SDA–167
Connections
displaying SDA information about, SDA–142,
SDA–167
Connections, displaying SDA information about,
SDA–90
Context
SDA CPU, SDA–14
SDA process, SDA–12
Control blocks, formatting, SDA–58
Control region, SDA–18
base register, SDA–18
examining, SDA–54
length register, SDA–18
page table, displaying, SDA–150
Control region operator (H), SDA–16
COPY command, SDA–5, SDA–6, SDA–46
CPU context
changing, SDA–94
SDA current, SDA–71
using the SET PROCESS command,
SDA–77
using the SHOW CPU command, SDA–94
using the SHOW CRASH command,
SDA–98
using the SHOW PROCESS command,
SDA–149
displaying, SDA–94
CPU identification number, SDA–94
CPULOA.EXE file, global symbols, SDA–63
Crash dumps
See System failures
file headers, SDA–112
incomplete, SDA–9
privileges required, SDA–35
requirements, SDA–8
short, SDA–9
/CRASH_DUMP qualifier, SDA–9
CRBs (channel request blocks), SDA–104
CRB symbol, SDA–17
CREATE command, SDA–4
CSBs (cluster system blocks), SDA–85, SDA–90
/CSID qualifier, SDA–85
CSIDs (cluster system identification numbers),
SDA–85, SDA–162
Current location symbol (.), SDA–17
D
Data structures
formatting, SDA–58
stepping through a linked list, SDA–67
DCLDEF.STB file, SDA–63
DCL interpreter, global symbols, SDA–63
DDBs (device data blocks), SDA–104
DDB symbol, SDA–17
DDTs (driver dispatch tables), SDA–104
DDT symbol, SDA–17
Decimal value of an expression, SDA–51
DECnet data structures, global symbols, SDA–63
DEFINE command, SDA–47
Device driver routines, address, SDA–104
Device drivers
base address of driver prologue table (DPT),
SDA–18
locating, SDA–18
locating a failing instruction, SDA–27
/DEVICE qualifier, SDA–142
Devices, displaying SDA information, SDA–103
Division operator (/), SDA–17
DPT base address, SDA–27
DPTs (driver prologue tables), SDA–104
DRIVER symbol
See nnDRIVER symbol
DUMPBUG system parameter, SDA–4, SDA–32
Dump files
analyzing, SDA–35
copying the contents, SDA–46
DUMPSTYLE system parameter, SDA–6
DUMP subset, SDA–6
E
/ECHO qualifier, DEFINE command, SDA–48
ERRORLOG.EXE file, SDA–63
ERRORLOGBUFFERS system parameter, SDA–4
Error logging
global symbols, SDA–63
routines, SDA–63
ESP symbol, SDA–18
EVALUATE/PSL command, SDA–26
EVALUATE command, SDA–51
Event flag routines, global symbols, SDA–63
EVENT_FLAGS_AND_ASTS.EXE file, global
symbols, SDA–63
EXAMINE/INSTRUCTION command, SDA–26
EXAMINE command, SDA–20, SDA–28, SDA–53
EXCEPTION.EXE file, global symbols, SDA–63
Exception-handling routines, global symbols,
SDA–63
Exceptions
fatal, SDA–20
identifying causes of, SDA–25
Execute procedure (@) command, SDA–44
Executive images
contents, SDA–63, SDA–110
global symbols, SDA–62
Index–2