TERMIUM Plus®

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ILLEGAL INSTRUCTION [1 record]

Record 1 2004-06-18

English

Subject field(s)
  • Computer Programs and Programming
  • IT Security
DEF

An instruction that has an invalid operation code. It is sometimes deliberately inserted in an instruction stream when debugging in order to have a program halt at a particular point.

French

Domaine(s)
  • Programmes et programmation (Informatique)
  • Sécurité des TI
CONT

Instruction piège [...]. Exceptions : lors de l'exécution de certaines instructions, des conditions anormales déclenchent des exceptions qui se traitent de manière analogue aux interruptions à travers un vecteur d'exceptions. Cela est le cas de dépassement de capacité arithmétique, division par 0, instruction illégale (de code d'instruction non défini pour le microprocesseur), adressage illégal (adressage à une partie de mémoire non existante ou protégée).

Spanish

Campo(s) temático(s)
  • Programas y programación (Informática)
  • Seguridad de IT
DEF

Todo código de instrucción que no pertenece al repertorio de instrucciones de una computadora (ordenador).

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