svn commit: r341673 - in stable/12/sys: kern sys

[Konstantin Belousov]

Author: kib
Date: Fri Dec  7 00:50:02 2018
New Revision: 341673
URL: https://svnweb.freebsd.org/changeset/base/341673

Log:
  MFC r340860:
  Provide storage for the process feature control flags in struct proc.

Modified:
  stable/12/sys/kern/kern_exec.c
  stable/12/sys/kern/kern_fork.c
  stable/12/sys/sys/proc.h
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/kern/kern_exec.c
==============================================================================
--- stable/12/sys/kern/kern_exec.c	Fri Dec  7 00:47:05 2018	(r341672)
+++ stable/12/sys/kern/kern_exec.c	Fri Dec  7 00:50:02 2018	(r341673)
@@ -488,6 +488,7 @@ interpret:
 		goto exec_fail_dealloc;
 
 	imgp->proc->p_osrel = 0;
+	imgp->proc->p_fctl0 = 0;
 
 	/*
 	 * Implement image setuid/setgid.

Modified: stable/12/sys/kern/kern_fork.c
==============================================================================
--- stable/12/sys/kern/kern_fork.c	Fri Dec  7 00:47:05 2018	(r341672)
+++ stable/12/sys/kern/kern_fork.c	Fri Dec  7 00:50:02 2018	(r341673)
@@ -415,6 +415,7 @@ do_fork(struct thread *td, struct fork_req *fr, struct
 
 	bcopy(&p1->p_startcopy, &p2->p_startcopy,
 	    __rangeof(struct proc, p_startcopy, p_endcopy));
+	p2->p_fctl0 = p1->p_fctl0;
 	pargs_hold(p2->p_args);
 
 	PROC_UNLOCK(p1);

Modified: stable/12/sys/sys/proc.h
==============================================================================
--- stable/12/sys/sys/proc.h	Fri Dec  7 00:47:05 2018	(r341672)
+++ stable/12/sys/sys/proc.h	Fri Dec  7 00:50:02 2018	(r341673)
@@ -681,6 +681,7 @@ struct proc {
 	 */
 	LIST_ENTRY(proc) p_orphan;	/* (e) List of orphan processes. */
 	LIST_HEAD(, proc) p_orphans;	/* (e) Pointer to list of orphans. */
+	uint32_t	p_fctl0;	/* (x) ABI feature control, ELF note */
 };
 
 #define	p_session	p_pgrp->pg_session