1 files changed, 27 insertions, 1 deletions

diff --git a/lib/libsysdecode/sysdecode.3 b/lib/libsysdecode/sysdecode.3
index 52faf5373dc9..994d278fe001 100644
--- a/lib/libsysdecode/sysdecode.3
+++ b/lib/libsysdecode/sysdecode.3
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd December 10, 2015
+.Dd January 24, 2016
 .Dt SYSDECODE 3
 .Os
 .Sh NAME
@@ -38,8 +38,34 @@ The
 .Nm
 library includes several functions that provide descriptive names of
 values associated with system calls.
+.Ss Supported ABIs
+Some functions in this library provide ABI-specific descriptions.
+The supported ABIs are named by the
+.Vt enum sysdecode_abi
+enumeration.
+.Pp
+.Bl -tag -width "Li UNKNOWN_ABI" -compact
+.It Li FREEBSD
+Native FreeBSD binaries.
+Supported on all platforms.
+.It Li FREEBSD32
+32-bit FreeBSD binaries.
+Supported on amd64 and powerpc64.
+.It Li LINUX
+Linux binaries of the same platform.
+Supported on amd64 and i386.
+.It Li LINUX32
+32-bit Linux binaries.
+Supported on amd64.
+.It Li CLOUDABI64
+64-bit CloudABI binaries.
+Supported on aarch64 and amd64.
+.It Li UNKNOWN_ABI
+A placeholder for use when the ABI is not known.
+.El
 .Sh SEE ALSO
 .Xr sysdecode_ioctlname 3 ,
+.Xr sysdecode_syscallnames 3 ,
 .Xr sysdecode_utrace 3
 .Sh HISTORY
 The