z/VM: CP Commands and Utilities Reference - z/VM - IBM

uppercase and lowercase letters A through Z, and a number of special
characters. In all other cases, a period (.) is dumped.
If you enter multiple operands on a single command line for a storage or
register dump, and do not specify the format that you want the DUMP
command processor to use, the last format type that you explicitly
entered on the command line defines the type of dump you receive. That
is, whenever you explicitly enter a dump type, you implicitly define the
default for subsequent operands of the current dump function. If you do
not enter any dump format type on the command line, the system
defaults are used.
For example, dump 10 20 T40 80 G12 5 L60-100 dumps the following,
respectively:
v Hexadecimal location 10 without EBCDIC translation
v Hexadecimal location 20 without EBCDIC translation
v Hexadecimal location 40 with EBCDIC translation
v Hexadecimal location 80 with EBCDIC translation
v The contents of general register 5
v The contents of general register 12
v Hexadecimal locations 60 through 100 without EBCDIC translation
The DUMP command suppresses identical lines and imbeds a response
whenever a 64K boundary is crossed.
9. The DUMP storage command supports indirect addressing. Indirect addressing
tells the command to use the contents of an address you specified instead of
the address itself. This can help reduce the number of commands you issue
and the tedious tracking of address pointers. You specify indirect addressing
with an & (for 64-bit) or a % (for 31-bit).
The following is an example of double indirection using the % for 31–bit
addressing. First, the storage is shown using the usual DUMP without indirect
addressing. Following that is the same storage displayed using indirect
addressing with only one DUMP command (and without having to know that the
information you want is at address 3F1AB40). The information displayed is a
LNGBK control block for the system default language using a pointer from the
CP nucleus SYSCM area.
DU 3EF1030
R03EF1030 0000524C
DU 524C
R0000524C 03F1AB40
DU T3F1AB40.80
R03F1AB40 00000000 00000000 00000000 00000000 06 *................*
R03F1AB50 to 03F1AB5F suppressed line(s) same as above ....
R03F1AB60 00390000 00000000 C1D4C5D5 C7000000 *........AMENG...*
R03F1AB70 00000000 03F1A878 00000000 0041E000 *.....1y.........*
R03F1AB80 C8C3D7D4 C5E24040 00000000 00000000 *HCPMES ........*
R03F1AB90 00000000 00000000 00000000 00000000 *................*
R03F1ABA0 to 03F1ABAF suppressed line(s) same as above ....
R03F1ABB0 4CD3D5C7 4C4C4C4C 80000070 00D5D3E3 *