diff options
Diffstat (limited to 'tapset/context.stp')
| -rw-r--r-- | tapset/context.stp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tapset/context.stp b/tapset/context.stp index 36d68c8d..6fad3740 100644 --- a/tapset/context.stp +++ b/tapset/context.stp @@ -233,12 +233,14 @@ function stack_unused:long () %{ /* pure */ %} /** - * sfunction uaddr - User space address of current running task. + * sfunction uaddr - User space address of current running task. EXPERIMENTAL. * * Description: Returns the address in userspace that the current * task was at when the probe occured. When the current running task * isn't a user space thread, or the address cannot be found, zero - * is returned. + * is returned. Can be used to see where the current task is combined + * with usymname() or symdata(). Often the task will be in the VDSO + * where it entered the kernel. FIXME - need VDSO tracking support #10080. */ function uaddr:long () %{ /* pure */ int64_t addr = 0; |