GCSPUSHX

Guarded Control Stack Push exception return record decrements the current Guarded control stack pointer register by the size of a Guarded control stack exception return record and stores an exception return record to the Guarded control stack.

This is an alias of SYS. This means:

System
(FEAT_GCS)

313029282726252423222120191817161514131211109876543210
110101010000100001110111100Rt
Lop1CRnCRmop2

GCSPUSHX {<Xt>}

is equivalent to

SYS #0, C7, C7, #4{, <Xt>}

and is always the preferred disassembly.

Assembler Symbols

<Xt>

Is the 64-bit name of the optional general-purpose source register, defaulting to '11111', encoded in the "Rt" field.

Operation

The description of SYS gives the operational pseudocode for this instruction.


Internal version only: aarchmrs v2023-12_rel, pseudocode v2023-12_rel, sve v2023-12_rel ; Build timestamp: 2023-12-15T16:46

Copyright © 2010-2023 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.