D23982.id69247.diff
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	Index: share/man/man5/elf.5
	===================================================================
	--- share/man/man5/elf.5
	+++ share/man/man5/elf.5
	@@ -1276,6 +1276,46 @@
	This member specifies a constant addend used to compute the value to be
	stored into the relocatable field.
	.El
	+.Ss Note Section
	+ELF Note sections consist of entries with the following format.
	+.Bl -column -offset indent "Sy Field" "Sy Size" "Sy Description"
	+.It Sy Field Ta Sy Size Ta Sy Description
	+.It namesz Ta 32 bits Ta Size of "name"
	+.It descsz Ta 32 bits Ta Size of "desc"
	+.It type Ta 32 bits Ta OS-dependent note type
	+.It name Ta namesz Ta Null-terminated originator name
	+.It desc Ta descsz Ta OS-dependent note data
	+.El
	+.Pp
	+The name and desc fields are padded to ensure 4-byte alignemnt.
	+.Pp
	+.Fx defines the following ELF note types
	+(with corresponding interpretation of desc):
	+.Pp
	+.Dv NT_FREEBSD_ABI_TAG
	+(OS ABI version)
	+Value: 1
	+32-bit integer containing expected ABI version (i.e.,
	+.Dv __FreeBSD_version )
	+.Pp
	+.Dv NT_FREEBSD_NOINIT_TAG
	+Value: 2
	+Indicates that crt does not call init.
	+desc is ignored.
	+.Pp
	+.Dv NT_FREEBSD_ARCH_TAG
	+Value: 3
	+.Pp
	+.Dv NT_FREEBSD_FEATURE_CTL
	+(Mitigation / feature enable bits)
	+Value: 4
	+Contains a bitmask of features to enable:
	+.Bl -column -offset indent "Sy Bit" "Sy Description"
	+.It 0x01 Ta Disable ASLR
	+.It 0x02 Ta Disable implicit PROT_MAX
	+.It 0x04 Ta Disable stack gap
	+.It 0x08 Ta Binary makes W+X mappings
	+.El
	.Sh SEE ALSO
	.Xr as 1 ,
	.Xr gdb 1 ,