diff options
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c index f8b136827fcc..6420b61fbbc8 100644 --- a/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c +++ b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c @@ -75,6 +75,13 @@ int bpf_testcb(struct bpf_sock_ops *skops) : [skops] "r"(skops) :); + asm volatile ( + "r9 = %[skops];\n" + "r8 = *(u32 *)(r9 +164);\n" + "*(u32 *)(r9 +164) = r8;\n" + :: [skops] "r"(skops) + : "r9", "r8"); + op = (int) skops->op; update_event_map(op); |