From 55b16959717084884fd4a0cbae6d19e3786c20c7 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Tue, 8 Dec 2009 19:46:35 +0100
Subject: RELEASE LuaJIT-2.0.0-beta1

---
 src/lj_vmevent.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/lj_vmevent.h

(limited to 'src/lj_vmevent.h')

diff --git a/src/lj_vmevent.h b/src/lj_vmevent.h
new file mode 100644
index 00000000..9eaa52e1
--- /dev/null
+++ b/src/lj_vmevent.h
@@ -0,0 +1,49 @@
+/*
+** VM event handling.
+** Copyright (C) 2005-2009 Mike Pall. See Copyright Notice in luajit.h
+*/
+
+#ifndef _LJ_VMEVENT_H
+#define _LJ_VMEVENT_H
+
+#include "lj_obj.h"
+
+/* Registry key for VM event handler table. */
+#define LJ_VMEVENTS_REGKEY	"_VMEVENTS"
+#define LJ_VMEVENTS_HSIZE	4
+
+#define VMEVENT_MASK(ev)	((uint8_t)1 << ((int)(ev) & 7))
+#define VMEVENT_HASH(ev)	((int)(ev) & ~7)
+#define VMEVENT_HASHIDX(h)	((int)(h) << 3)
+#define VMEVENT_NOCACHE		255
+
+#define VMEVENT_DEF(name, hash) \
+  LJ_VMEVENT_##name##_, \
+  LJ_VMEVENT_##name = ((LJ_VMEVENT_##name##_) & 7)|((hash) << 3)
+
+/* VM event IDs. */
+typedef enum {
+  VMEVENT_DEF(BC,	0x0000140b),
+  VMEVENT_DEF(TRACE,	0x10ea574d),
+  VMEVENT_DEF(RECORD,	0x5698231c),
+  VMEVENT_DEF(TEXIT,	0x12d984a7),
+  LJ_VMEVENT__MAX
+} VMEvent;
+
+#ifdef LUAJIT_DISABLE_VMEVENT
+#define lj_vmevent_send(L, ev, args)	UNUSED(L)
+#else
+#define lj_vmevent_send(L, ev, args) \
+  if (G(L)->vmevmask & VMEVENT_MASK(LJ_VMEVENT_##ev)) { \
+    ptrdiff_t argbase = lj_vmevent_prepare(L, LJ_VMEVENT_##ev); \
+    if (argbase) { \
+      args \
+      lj_vmevent_call(L, argbase); \
+    } \
+  }
+
+LJ_FUNC ptrdiff_t lj_vmevent_prepare(lua_State *L, VMEvent ev);
+LJ_FUNC void lj_vmevent_call(lua_State *L, ptrdiff_t argbase);
+#endif
+
+#endif
-- 
cgit v1.2.3-55-g6feb