1 files changed, 52 insertions, 0 deletions

diff --git a/src/lj_trace.h b/src/lj_trace.h
new file mode 100644
index 00000000..9d8eb790
--- /dev/null
+++ b/src/lj_trace.h
@@ -0,0 +1,52 @@
+/*
+** Trace management.
+** Copyright (C) 2005-2009 Mike Pall. See Copyright Notice in luajit.h
+*/
+
+#ifndef _LJ_TRACE_H
+#define _LJ_TRACE_H
+
+#if LJ_HASJIT
+
+#include "lj_obj.h"
+#include "lj_jit.h"
+#include "lj_dispatch.h"
+
+/* Trace errors. */
+typedef enum {
+#define TREDEF(name, msg)       LJ_TRERR_##name,
+#include "lj_traceerr.h"
+  LJ_TRERR__MAX
+} TraceError;
+
+LJ_FUNC_NORET void lj_trace_err(jit_State *J, TraceError e);
+LJ_FUNC_NORET void lj_trace_err_info(jit_State *J, TraceError e);
+
+/* Trace management. */
+LJ_FUNC void lj_trace_freeproto(global_State *g, GCproto *pt);
+LJ_FUNC void lj_trace_reenableproto(GCproto *pt);
+LJ_FUNC void lj_trace_flushproto(global_State *g, GCproto *pt);
+LJ_FUNC void lj_trace_flush(jit_State *J, TraceNo traceno);
+LJ_FUNC int lj_trace_flushall(lua_State *L);
+LJ_FUNC void lj_trace_freestate(global_State *g);
+
+/* Event handling. */
+LJ_FUNC void lj_trace_ins(jit_State *J);
+LJ_FUNCA void lj_trace_hot(jit_State *J, const BCIns *pc);
+LJ_FUNCA void *lj_trace_exit(jit_State *J, void *exptr);
+
+/* Signal asynchronous abort of trace or end of trace. */
+#define lj_trace_abort(g)       (G2J(g)->state &= ~LJ_TRACE_ACTIVE)
+#define lj_trace_end(J)         (J->state = LJ_TRACE_END)
+
+#else
+
+#define lj_trace_flushall(L)    (UNUSED(L), 0)
+#define lj_trace_freestate(g)   UNUSED(g)
+#define lj_trace_freeproto(g, pt)  (UNUSED(g), UNUSED(pt), (void)0)
+#define lj_trace_abort(g)       UNUSED(g)
+#define lj_trace_end(J)         UNUSED(J)
+
+#endif
+
+#endif