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/*
** Trace recorder (bytecode -> SSA IR).
** Copyright (C) 2005-2022 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
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