GCSB

Guarded Control Stack Barrier. This instruction generates a GCSB effect.

If FEAT_GCS is not implemented, this instruction executes as a NOP.

System
(FEAT_GCS)

313029282726252423222120191817161514131211109876543210
11010101000000110010001001111111
CRmop2

GCSB DSYNC

if !IsFeatureImplemented(FEAT_GCS) then EndOfInstruction(); // Instruction executes as NOP

Operation

GCSSynchronizationBarrier();


Internal version only: aarchmrs v2024-03_relA, pseudocode v2024-03_rel, sve v2024-03_rel ; Build timestamp: 2024-03-26T09:45

Copyright © 2010-2024 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.