PC-BSD/trueos a3ece95lib/libc/sys procctl.2, sys/compat/freebsd32 freebsd32_misc.c

MFC r351773:
Add procctl(PROC_STACKGAP_CTL).

PR:     239894
DeltaFile
+62-1lib/libc/sys/procctl.2
+60-0sys/kern/kern_procctl.c
+6-2sys/vm/vm_map.c
+7-0sys/sys/procctl.h
+3-1sys/kern/kern_fork.c
+3-0sys/compat/freebsd32/freebsd32_misc.c
+2-0sys/kern/kern_exec.c
+2-0sys/sys/proc.h
+145-48 files

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