#### F.4.1 ARM Features

The ‘`org.gnu.gdb.arm.core`’ feature is required for ARM targets. It should contain registers ‘`r0`’ through ‘`r13`’, ‘`sp`’, ‘`lr`’, ‘`pc`’, and ‘`cpsr`’.

The ‘`org.gnu.gdb.arm.fpa`’ feature is optional. If present, it should contain registers ‘`f0`’ through ‘`f7`’ and ‘`fps`’.

The ‘`org.gnu.gdb.xscale.iwmmxt`’ feature is optional. If present, it should contain at least registers ‘`wR0`’ through ‘`wR15`’ and ‘`wCGR0`’ through ‘`wCGR3`’. The ‘`wCID`’, ‘`wCon`’, ‘`wCSSF`’, and ‘`wCASF`’ registers are optional.