#### 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.