Bug#837697: systemtap: Arguments of user probes are always (incorrectly) zero

[Frank Ch. Eigler]

Hi -

> $ cat >test.c <<\EOF
> [...]
> int f(int a1, int a2)
> {
>     TEST_F(a1, a2);
> [...]
> }
> 
> int main(int argc, char *argv[])
> {
>     f(1, 1);
>     f(2, 2);
>     return 0;
> }
> EOF
> [...]
> $ gcc -o test -O0 -g test.c events.o
> $ sudo stap test.stp -c './test'
> [...]
> 0 0
> 0 0

It would be interesting to see the "stap -p3" output for that test
script, and/or the "readelf -n ./test", so we could tell what kind of
operands the compiler generated for those two arguments.

- FChE