1/*
2** Trace recorder (bytecode -> SSA IR).
3** Copyright (C) 2005-2014 Mike Pall. See Copyright Notice in luajit.h
4*/
5
6#ifndef _LJ_RECORD_H
7#define _LJ_RECORD_H
8
9#include "lj_obj.h"
10#include "lj_jit.h"
11
12#if LJ_HASJIT
13/* Context for recording an indexed load/store. */
14typedef struct RecordIndex {
15 TValue tabv; /* Runtime value of table (or indexed object). */
16 TValue keyv; /* Runtime value of key. */
17 TValue valv; /* Runtime value of stored value. */
18 TValue mobjv; /* Runtime value of metamethod object. */
19 GCtab *mtv; /* Runtime value of metatable object. */
20 cTValue *oldv; /* Runtime value of previously stored value. */
21 TRef tab; /* Table (or indexed object) reference. */
22 TRef key; /* Key reference. */
23 TRef val; /* Value reference for a store or 0 for a load. */
24 TRef mt; /* Metatable reference. */
25 TRef mobj; /* Metamethod object reference. */
26 int idxchain; /* Index indirections left or 0 for raw lookup. */
27} RecordIndex;
28
29LJ_FUNC int lj_record_objcmp(jit_State *J, TRef a, TRef b,
30 cTValue *av, cTValue *bv);
31LJ_FUNC TRef lj_record_constify(jit_State *J, cTValue *o);
32
33LJ_FUNC void lj_record_call(jit_State *J, BCReg func, ptrdiff_t nargs);
34LJ_FUNC void lj_record_tailcall(jit_State *J, BCReg func, ptrdiff_t nargs);
35LJ_FUNC void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults);
36
37LJ_FUNC int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm);
38LJ_FUNC TRef lj_record_idx(jit_State *J, RecordIndex *ix);
39
40LJ_FUNC void lj_record_ins(jit_State *J);
41LJ_FUNC void lj_record_setup(jit_State *J);
42#endif
43
44#endif
45