Implement event notifiers for uprobes

[lttng-modules.git] / src / lttng-abi.c

diff --git a/src/lttng-abi.c b/src/lttng-abi.c
index 1407d41bd218de7685fceaa677770f189fb3e437..f9e4422d24ee41b2fde52121e5c7af618e5c710d 100644 (file)
--- a/src/lttng-abi.c
+++ b/src/lttng-abi.c
@@ -1752,6 +1752,18 @@ long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned lo
                        WARN_ON_ONCE(1);
                        return -ENOSYS;
                }
+       case LTTNG_KERNEL_ADD_CALLSITE:
+               switch (*evtype) {
+               case LTTNG_TYPE_EVENT:
+                       event_notifier = file->private_data;
+                       return lttng_event_notifier_add_callsite(event_notifier,
+                               (struct lttng_kernel_event_callsite __user *) arg);
+               case LTTNG_TYPE_ENABLER:
+                       return -EINVAL;
+               default:
+                       WARN_ON_ONCE(1);
+                       return -ENOSYS;
+               }
        default:
                return -ENOIOCTLCMD;
        }
@@ -1807,13 +1819,13 @@ int lttng_abi_create_event_notifier(struct file *event_notifier_group_file,
 
        switch (event_notifier_param->event.instrumentation) {
        case LTTNG_KERNEL_TRACEPOINT:
+       case LTTNG_KERNEL_UPROBE:
                break;
        case LTTNG_KERNEL_KPROBE:
                event_notifier_param->event.u.kprobe.symbol_name[LTTNG_KERNEL_SYM_NAME_LEN - 1] = '\0';
                break;
        case LTTNG_KERNEL_KRETPROBE:
-               /* Placing a trigger on kretprobe is not supported. */
-       case LTTNG_KERNEL_UPROBE:
+               /* Placing an event notifier on kretprobe is not supported. */
        case LTTNG_KERNEL_FUNCTION:
        case LTTNG_KERNEL_NOOP:
        case LTTNG_KERNEL_SYSCALL: