pacdb

Pointer Authentication Code for Data Address (Key B)

PACDB <Xd>, <Xn>

Signs a data address using Key B.

Details

The Pointer Authentication Code for Data Address instruction signs a data address using Key B.

Pseudocode Operation

Xd ← Xn + SRC2
// Flags affected: N, Z, C, V

Example

PACDB x0, x1

Encoding

Binary Layout
11011010
110
Xn
000011
11111
Xd
 
Format Data Processing
Opcode 0xDAC10C00
Extension PAC (Security)

Operands

  • Xd
    Destination 64-bit integer register
  • Xn
    Modifier