* sysdeps/mach/include/mach-shortcuts-hidden.h: New file.
* mach/shortcut.awk: Make syscall stubs include
<mach-shortcuts-hidden.h> and add hidden definition.
* sysdeps/mach/include/mach.h: Include <mach-shortcuts-hidden.h>.
_S_catch_exception_raise_state_identity,
_hurdsig_fault_catch_exception_raise_state,
_hurdsig_fault_catch_exception_raise_state_identity.
* mach/shortcut.awk: Don't apply the /^}$/ rule when $proto == "".
* sysdeps/mach/getsysstats.c (__get_avphys_pages) [HOST_VM_INFO]: Use
__host_info with HOST_VM_INFO flavor instead of __vm_statistics.
* sysdeps/mach/hurd/getpriority.c [TASK_SCHED_TIMESHARE_INFO]: Find
`base_priority' in PIP->timeshare_base_info instead of PIP->taskinfo.
* sysdeps/mach/hurd/dl-sysdep.c [FMH]: Define for i386 only.
(fmh, unfmh): Define these functions only #if FMH. Otherwise define
them as no-op macros.
[FMH] (ELF_MACHINE_USER_ADDRESS_MASK): Redefine it to zero.
(__mmap): Uncomment uses of ELF_MACHINE_USER_ADDRESS_MASK.
* sysdeps/powerpc/dl-machine.h
(ELF_MACHINE_USER_ADDRESS_MASK): New macro.