Debugging with GDB: AArch64 Features

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#### G.5.1 AArch64 Features

The ‘`org.gnu.gdb.aarch64.core`’ feature is required for AArch64 targets. It should contain registers ‘`x0`’ through ‘`x30`’, ‘`sp`’, ‘`pc`’, and ‘`cpsr`’.

The ‘`org.gnu.gdb.aarch64.fpu`’ feature is optional. If present, it should contain registers ‘`v0`’ through ‘`v31`’, ‘`fpsr`’, and ‘`fpcr`’.

The ‘`org.gnu.gdb.aarch64.sve`’ feature is optional. If present, it should contain registers ‘`z0`’ through ‘`z31`’, ‘`p0`’ through ‘`p15`’, ‘`ffr`’ and ‘`vg`’.