Add kretprobe support

[lttng-modules.git] / ltt-debugfs-abi.h

diff --git a/ltt-debugfs-abi.h b/ltt-debugfs-abi.h
index e5ddcfa0965ded2110b8c2bfa12aa04c6c763272..3b8e72ea9c8544b0d55165a7311ed25e7ddbb834 100644 (file)
--- a/ltt-debugfs-abi.h
+++ b/ltt-debugfs-abi.h
@@ -19,6 +19,7 @@ enum lttng_kernel_instrumentation {
        LTTNG_KERNEL_TRACEPOINT = 0,
        LTTNG_KERNEL_KPROBE     = 1,
        LTTNG_KERNEL_FUNCTION   = 2,
+       LTTNG_KERNEL_KRETPROBE  = 3,
 };
 
 /*
@@ -42,6 +43,13 @@ struct lttng_kernel_channel {
        enum lttng_kernel_output output;        /* splice, mmap */
 };
 
+struct lttng_kernel_kretprobe {
+       uint64_t addr;
+
+       uint64_t offset;
+       char symbol_name[LTTNG_SYM_NAME_LEN];
+};
+
 /*
  * Either addr is used, or symbol_name and offset.
  */
@@ -61,6 +69,7 @@ struct lttng_kernel_event {
        enum lttng_kernel_instrumentation instrumentation;
        /* Per instrumentation type configuration */
        union {
+               struct lttng_kernel_kretprobe kretprobe;
                struct lttng_kernel_kprobe kprobe;
                struct lttng_kernel_function_tracer ftrace;
        } u;