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-rw-r--r--share/man/man4/ksyms.430
1 files changed, 1 insertions, 29 deletions
diff --git a/share/man/man4/ksyms.4 b/share/man/man4/ksyms.4
index fe10d206306d..4c70daec1e2f 100644
--- a/share/man/man4/ksyms.4
+++ b/share/man/man4/ksyms.4
@@ -27,7 +27,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd April 5, 2009
+.Dd August 2, 2017
.Dt KSYMS 4
.Os
.Sh NAME
@@ -69,24 +69,6 @@ driver does not block the loading or unloading of modules into the kernel
while the
.Pa /dev/ksyms
file is open but may contain stale data.
-.Sh IOCTLS
-The
-.Xr ioctl 2
-command codes below are defined in
-.Aq Pa sys/ksyms.h .
-.Pp
-The (third) argument to the
-.Xr ioctl 2
-should be a pointer to the type indicated.
-.Bl -tag -width indent -offset indent
-.It Dv KIOCGSIZE (size_t)
-Returns the total size of the current symbol table.
-This can be used when allocating a buffer to make a copy of
-the kernel symbol table.
-.It Dv KIOCGADDR (void *)
-Returns the address of the kernel symbol table mapped in
-the process memory.
-.El
.Sh FILES
.Bl -tag -width /dev/ksymsX
.It Pa /dev/ksyms
@@ -112,7 +94,6 @@ This may occur if the kernel was in the process of loading or
unloading a module.
.El
.Sh SEE ALSO
-.Xr ioctl 2 ,
.Xr nlist 3 ,
.Xr elf 5 ,
.Xr kldload 8
@@ -152,12 +133,3 @@ file once at a time.
The process must close the
.Pa /dev/ksyms
before it is allowed to open it again.
-.Pp
-The
-.Nm
-driver uses the calling process' memory address space to store the snapshot.
-.Xr ioctl 2
-can be used to get the memory address where the symbol table is stored to
-save kernel memory.
-.Xr mmap 2
-may also be used but it will map it to another address.