pacdb

Pointer Authentication Code (Data B)

PACDB <Xd>, <Xn|SP>

Signs a data pointer using Key B.

Details

The Pointer Authentication Code instruction signs a data pointer using Key B.

Pseudocode Operation

// Signs a data pointer using Key B

Example

PACDB x0, x1

Encoding

Binary Layout
11011010110
Xm
000011
11111
Xd
 
Format Data Processing
Opcode 0xDAC303E0
Extension PAC (Security)

Operands

  • Xd
    Ptr
  • Xn
    Modifier