Word – HP Integrity NonStop H-Series User Manual

Page 78

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Glossary

TNSVU User’s Guide528143-003

Glossary -30

user library

user library. (1) An object code file that the operating system links to a program file at run

time. A program can have only one user library. See also TNS user library,

TNS/R

native user library

, and

TNS/E native user library

. (2) A library loadfile associated with

a program so that it emulates the user library feature of the operating system on TNS
systems. For position-independent code programs on TNS/R and TNS/E systems, the
user library is a dynamic-link library. It is treated as if it were the first library in the
program's libList; thus it is searched first for symbols required by the program.
However, a user library does not appear in the program's libList; instead, its name is
recorded internally in the program's loadfile. A program can be associated with at most
one user library; the association can be specified using the linker at link time or in a
later change command, or at run time using the process creation interfaces. (The /LIB
…/ option to the RUN command in TACL uses these interfaces.)

user name. A string that uniquely identifies a user within the user database for a node.

word. An instruction-set-defined unit of memory that corresponds to the width of registers

and to the most common and efficient size of memory operations. A TNS word is
2 bytes (16 bits) wide, beginning on any 2-byte boundary in memory. A MIPS RISC
word is 4 bytes (32 bits) wide, beginning on any 4-byte boundary in memory. An Intel®
Itanium®

word is also 4 bytes (32 bits) wide, beginning on any 4-byte boundary in

memory.

work files. Temporary files created during system generation that serve as storage areas.

Work files are useful for debugging purposes after system generation. You can choose
to make specified work files permanent.

XLLink. An Accelerator-related tool invoked by SYSGENR only for TNS/R systems. XLLink

binds together separately accelerated modules of TNS library code to make system
libraries. XLLink preserves and fixes up the existing Accelerator-generated MIPS RISC
code, avoiding the additional time needed for a complete acceleration from TNS
instructions. XLLink is not supported for program files, user libraries, or shared run-
time libraries, and it is not supported on TNS/E systems.

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