diff options
Diffstat (limited to 'testsuite/systemtap.base/cast.stp')
| -rw-r--r-- | testsuite/systemtap.base/cast.stp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/testsuite/systemtap.base/cast.stp b/testsuite/systemtap.base/cast.stp index bec0cc9b..e2505000 100644 --- a/testsuite/systemtap.base/cast.stp +++ b/testsuite/systemtap.base/cast.stp @@ -10,6 +10,13 @@ probe begin else printf("PID %d != %d\n", pid, cast_pid) + // Compare PIDs using a generated kernel module + cast_pid = @cast(curr, "task_struct", "kernel<linux/sched.h>")->tgid + if (pid == cast_pid) + println("PID2 OK") + else + printf("PID2 %d != %d\n", pid, cast_pid) + // Compare execnames name = execname() cast_name = kernel_string(@cast(curr, "task_struct")->comm) @@ -18,5 +25,23 @@ probe begin else printf("execname \"%s\" != \"%s\"\n", name, cast_name) + // Compare sa_data using a generated user module + data = 42 + cast_data = @cast(get_sockaddr(data), "sockaddr", "<sys/socket.h>")->sa_data[0] + if (data == cast_data) + println("sa_data OK") + else + printf("sa_data %d != %d\n", data, cast_data) + exit() } + +%{ +#include <linux/socket.h> +%} + +function get_sockaddr:long(data:long) %{ + static struct sockaddr sa = {0}; + sa.sa_data[0] = THIS->data; + THIS->__retvalue = (long)&sa; +%} |