Open System Services Porting Guide (G06.24+, H06.03+)

Table Of Contents
Glossary
Open System Services Porting Guide520573-006
Glossary-13
terminal
terminal. A type of character special file that conforms to the interface description in
Clause 7 of ISO/IEC IS 9945-1: 1990.
TNS C compiler. The C compiler that generates TNS object files. TNS object files can be
processed by the Accelerator or Object Code Accelerator to produce accelerated
object files. Compare with TNS/R native C compiler and TNS/E native C compiler.
TNS instructions. Stack-oriented, 16-bit machine instructions that are directly executed on
TNS systems by hardware and microcode. TNS instructions can be emulated on
TNS/E and TNS/R systems by using millicode, an interpreter, and either translation or
acceleration. Contrast with RISC instructions and Intel® Itanium® instructions.
TNS process. A process whose main program object file is a TNS object file, compiled
using a TNS compiler. A TNS process executes in interpreted or accelerated mode
while within itself, when calling a user library, or when calling into TNS system libraries.
A TNS process temporarily executes in native mode when calling into native-compiled
parts of the system library. Object files within a TNS process might be accelerated or
not, with automatic switching between accelerated and interpreted modes on calls and
returns between those parts. Contrast with TNS/R native process and TNS/E native
process.
TNS/E native C compiler. The C compiler that generates TNS/E object files. Contrast with
TNS C compiler and TNS/R native C compiler.
TNS/E native mode. The primary execution environment on a TNS/E system, in which
native-compiled Intel® Itanium® object code executes, following TNS/E native-mode
compiler conventions for data locations, addressing, stack frames, registers, and call
linkage.
TNS/E native object code. The Intel® Itaniu instructions that result from processing
program source code with a TNS/E native compiler. TNS/E native object code
executes only on TNS/E systems, not on TNS or TNS/R systems.
TNS/E native object file. An object file created by a TNS/E native compiler that contains
Itanium instructions and other information needed to construct the code spaces and
the initial data for a TNS/E native process.
TNS/E native process. A process initiated by executing a TNS/E native object file. Contrast
with TNS process and TNS/R native process.
TNS/E native signal. A signal model available to TNS/E native processes in the Guardian
and OSS environments. TNS/E native signals are used for error exception handling.
TNS/E native user library. A user library available to TNS/E native processes in the
Guardian and OSS environments. A TNS/E native user library is implemented as a
TNS/E native dynamic-link library (DLL).
TNS/R native C compiler. The C compiler that generates TNS/R object files. Compare with
TNS C compiler and TNS/E native C compiler.