--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/luajit/src/lj_record.h	Fri Jan 23 22:38:59 2026 -0800
@@ -0,0 +1,47 @@
+/*
+** Trace recorder (bytecode -> SSA IR).
+** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
+*/
+
+#ifndef _LJ_RECORD_H
+#define _LJ_RECORD_H
+
+#include "lj_obj.h"
+#include "lj_jit.h"
+
+#if LJ_HASJIT
+/* Context for recording an indexed load/store. */
+typedef struct RecordIndex {
+  TValue tabv;		/* Runtime value of table (or indexed object). */
+  TValue keyv;		/* Runtime value of key. */
+  TValue valv;		/* Runtime value of stored value. */
+  TValue mobjv;		/* Runtime value of metamethod object. */
+  GCtab *mtv;		/* Runtime value of metatable object. */
+  cTValue *oldv;	/* Runtime value of previously stored value. */
+  TRef tab;		/* Table (or indexed object) reference. */
+  TRef key;		/* Key reference. */
+  TRef val;		/* Value reference for a store or 0 for a load. */
+  TRef mt;		/* Metatable reference. */
+  TRef mobj;		/* Metamethod object reference. */
+  int idxchain;		/* Index indirections left or 0 for raw lookup. */
+} RecordIndex;
+
+LJ_FUNC int lj_record_objcmp(jit_State *J, TRef a, TRef b,
+			     cTValue *av, cTValue *bv);
+LJ_FUNC void lj_record_stop(jit_State *J, TraceLink linktype, TraceNo lnk);
+LJ_FUNC TRef lj_record_constify(jit_State *J, cTValue *o);
+LJ_FUNC TRef lj_record_vload(jit_State *J, TRef ref, MSize idx, IRType t);
+
+LJ_FUNC void lj_record_call(jit_State *J, BCReg func, ptrdiff_t nargs);
+LJ_FUNC void lj_record_tailcall(jit_State *J, BCReg func, ptrdiff_t nargs);
+LJ_FUNC void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults);
+
+LJ_FUNC int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm);
+LJ_FUNC TRef lj_record_idx(jit_State *J, RecordIndex *ix);
+LJ_FUNC int lj_record_next(jit_State *J, RecordIndex *ix);
+
+LJ_FUNC void lj_record_ins(jit_State *J);
+LJ_FUNC void lj_record_setup(jit_State *J);
+#endif
+
+#endif