* i386-tdep.h (i386_collect_gregset): New prototype.

* i386-tdep.h (i386_collect_gregset): New prototype.
* i386-nto-tdep.c (i386_nto_target): Move variable.  Add comment.
(i386nto_gregset_reg_offset): Rename frame regmap.
(nto_reg_offset): Tweak comment.  Use ARRAY_SIZE.
(i386nto_supply_gregset): Implement using register set support.
(i386nto_supply_regset): Remove redundant comment.
(i386nto_init_abi): Initialize TDEP->gregset_reg_offset,
TDEP->gregset_num_regs and TDEP->sizeof_gregset.
* nto-tdep.c (fetch_core_registers): Remove function.
(regset_core_fns): Remove structure.
(_initialize_nto_tdep): Don't call deprecated_add_core_fns.