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F.4.4 M68K Features

`org.gnu.gdb.m68k.core'
`org.gnu.gdb.coldfire.core'
`org.gnu.gdb.fido.core'
One of those features must be always present. The feature that is present determines which flavor of m86k is used. The feature that is present should contain registers `d0' through `d7', `a0' through `a5', `fp', `sp', `ps' and `pc'.
`org.gnu.gdb.coldfire.fp'
This feature is optional. If present, it should contain registers `fp0' through `fp7', `fpcontrol', `fpstatus' and `fpiaddr'.

F.4.5 PowerPC Features

The `org.gnu.gdb.power.core' feature is required for PowerPC targets. It should contain registers `r0' through `r31', `pc', `msr', `cr', `lr', `ctr', and `xer'. They may be 32-bit or 64-bit depending on the target.

The `org.gnu.gdb.power.fpu' feature is optional. It should contain registers `f0' through `f31' and `fpscr'.

The `org.gnu.gdb.power.altivec' feature is optional. It should contain registers `vr0' through `vr31', `vscr', and `vrsave'.

The `org.gnu.gdb.power.spe' feature is optional. It should contain registers `ev0h' through `ev31h', `acc', and `spefscr'. SPE targets should provide 32-bit registers in `org.gnu.gdb.power.core' and provide the upper halves in `ev0h' through `ev31h'. gdb will combine these to present registers `ev0' through `ev31' to the user.