DTrace unable to dump typedef'ed argument

[ambrosehuang ambrose]

same problem on 8.2-stable

2011/8/10 Shrikanth Kamath <shrikanth07 at gmail.com>

> I found this on a FreeBSD 8.1 box...
>
> %dtrace -l -f rtalloc_fib -v
>
> ...
> Argument Types
>              args[0]: struct route *
>              args[1]: (unknown)
>
> The function defined in sys/net/route.c: void rtalloc_fib(struct route
> *ro, u_int fibnum)
> u_int is typedef unsigned int
>
> I checked the ctfdump for /boot/kernel/kernel and found u_int is a
> resolved type.
>
> [14077] FUNC (rtalloc_fib) returns: 29 args: (1335, 5)
>
> Checking the CTF table "5" is found to be a resolved typedef.
>
> <4> INTEGER unsigned int encoding=0x0 offset=0 bits=32
> <5> TYPEDEF u_int refers to 4
>
> But since it shows unknown with dtrace -l -f o/p, one cannot directly
> use args[1].
>
> Is this a known problem, any fix or workaround?
>
>
> --
> Shrikanth R K
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