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GLOSSARY
Tracing
The ability of the processor to detect execution of certain instruction
types, such as branch, call and return. When tracing is enabled, the
processor generates a fault whenever it detects a trace event. A trace fault
handler can then be designed to call a debug monitor to provide
information on the trace event and its location in the instruction stream.
User Mode
One of two execution modes – user and supervisor – that the processor can
be in. When the processor is in user mode, it uses the local stack and is not
allowed to use the
instruction that is designed to be used only in supervisor mode.
Vector Number
The number of an entry in the interrupt table where an interrupt vector is
stored. The vector number also indicates the priority of the interrupt.
Vector
See Interrupt Vector.
Glossary-8
modpc
instruction or any other implementation-defined
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