This is required to supply some typedefs used in files included via param.h.
core file (core.c), permanently remove the register_addr() stub (elfread.c), move a misplaced #endif (procfs.c), and add fetch_core_registers func for core file support (procfs.c).
/proc (process file system) support, Amiga UNIX target and host defines, SVR4 target and host defines, and m68k hosts defines.