diff options
Diffstat (limited to 'share/man/man4/ksyms.4')
| -rw-r--r-- | share/man/man4/ksyms.4 | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/share/man/man4/ksyms.4 b/share/man/man4/ksyms.4 index fe10d20..4c70dae 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. |
