svn commit: r343693 - stable/12/sys/sys

[Konstantin Belousov]

Author: kib
Date: Sun Feb  3 00:41:14 2019
New Revision: 343693
URL: https://svnweb.freebsd.org/changeset/base/343693

Log:
  MFC r343607:
  Reserve a bit in the FreeBSD feature control note for marking the
  image as not compatible with ASLR.

Modified:
  stable/12/sys/sys/elf_common.h
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/sys/elf_common.h
==============================================================================
--- stable/12/sys/sys/elf_common.h	Sun Feb  3 00:39:35 2019	(r343692)
+++ stable/12/sys/sys/elf_common.h	Sun Feb  3 00:41:14 2019	(r343693)
@@ -761,6 +761,9 @@ typedef struct {
 #define	NT_FREEBSD_ARCH_TAG	3
 #define	NT_FREEBSD_FEATURE_CTL	4
 
+/* NT_FREEBSD_FEATURE_CTL desc[0] bits */
+#define	NT_FREEBSD_FCTL_ASLR_DISABLE	0x00000001
+
 /* Values for n_type.  Used in core files. */
 #define	NT_PRSTATUS	1	/* Process status. */
 #define	NT_FPREGSET	2	/* Floating point registers. */