* dwarf2-frame.c (dwarf2_frame_prev_register): Use gdb_byte.
* i386-linux-nat.c (fetch_register, store_register, supply_gregset)
(fill_gregset): Likewise.
* i386-tdep.c (i386_frame_prev_register)
(i386_sigtramp_frame_prev_register): Likewise.
* linux-nat.c (linux_nat_xfer_memory, linux_nat_make_corefile_notes):
Likewise.
* linux-thread-db.c (thread_db_xfer_memory): Likewise.
* remote.c (remote_insert_hw_breakpoint, remote_remove_hw_breakpoint):
Likewise.
* target.c (debug_to_insert_hw_breakpoint)
(debug_to_remove_hw_breakpoint, update_current_target): Likewise.