Implement shadow stack for dynamic len

[lttng-modules.git] / lttng-events.h

diff --git a/lttng-events.h b/lttng-events.h
index fe7628473c2afa7a7c55590379624160ebbbc0a9..56f5d3ac2a0670ac2ed4edfbc731e2aa6a8f5a59 100644 (file)
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -447,6 +447,14 @@ struct lttng_metadata_stream {
        uint64_t version;               /* Current version of the metadata cache */
 };
 
+#define LTTNG_DYNAMIC_LEN_STACK_SIZE   128
+
+struct lttng_dynamic_len_stack {
+       size_t stack[LTTNG_DYNAMIC_LEN_STACK_SIZE];
+       size_t offset;
+};
+
+DECLARE_PER_CPU(struct lttng_dynamic_len_stack, lttng_dynamic_len_stack);
 
 /*
  * struct lttng_pid_tracker declared in header due to deferencing of *v
@@ -628,6 +636,8 @@ int lttng_enabler_attach_bytecode(struct lttng_enabler *enabler,
 void lttng_enabler_event_link_bytecode(struct lttng_event *event,
                struct lttng_enabler *enabler);
 
+int lttng_probes_init(void);
+
 extern struct lttng_ctx *lttng_static_ctx;
 
 int lttng_context_init(void);