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annotate third_party/luajit/src/lj_record.h @ 197:0106cb67d958

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author MrJuneJune <me@mrjunejune.com>
date Sat, 14 Feb 2026 16:08:47 -0800
parents 94705b5986b3
children
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178
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1 /*
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2 ** Trace recorder (bytecode -> SSA IR).
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
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4 */
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5
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6 #ifndef _LJ_RECORD_H
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7 #define _LJ_RECORD_H
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8
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9 #include "lj_obj.h"
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10 #include "lj_jit.h"
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11
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12 #if LJ_HASJIT
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13 /* Context for recording an indexed load/store. */
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14 typedef struct RecordIndex {
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15 TValue tabv; /* Runtime value of table (or indexed object). */
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16 TValue keyv; /* Runtime value of key. */
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17 TValue valv; /* Runtime value of stored value. */
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18 TValue mobjv; /* Runtime value of metamethod object. */
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19 GCtab *mtv; /* Runtime value of metatable object. */
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20 cTValue *oldv; /* Runtime value of previously stored value. */
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21 TRef tab; /* Table (or indexed object) reference. */
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22 TRef key; /* Key reference. */
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23 TRef val; /* Value reference for a store or 0 for a load. */
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24 TRef mt; /* Metatable reference. */
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25 TRef mobj; /* Metamethod object reference. */
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26 int idxchain; /* Index indirections left or 0 for raw lookup. */
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27 } RecordIndex;
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28
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29 LJ_FUNC int lj_record_objcmp(jit_State *J, TRef a, TRef b,
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30 cTValue *av, cTValue *bv);
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31 LJ_FUNC void lj_record_stop(jit_State *J, TraceLink linktype, TraceNo lnk);
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32 LJ_FUNC TRef lj_record_constify(jit_State *J, cTValue *o);
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33 LJ_FUNC TRef lj_record_vload(jit_State *J, TRef ref, MSize idx, IRType t);
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34
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35 LJ_FUNC void lj_record_call(jit_State *J, BCReg func, ptrdiff_t nargs);
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36 LJ_FUNC void lj_record_tailcall(jit_State *J, BCReg func, ptrdiff_t nargs);
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37 LJ_FUNC void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults);
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38
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39 LJ_FUNC int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm);
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40 LJ_FUNC TRef lj_record_idx(jit_State *J, RecordIndex *ix);
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41 LJ_FUNC int lj_record_next(jit_State *J, RecordIndex *ix);
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42
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43 LJ_FUNC void lj_record_ins(jit_State *J);
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44 LJ_FUNC void lj_record_setup(jit_State *J);
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45 #endif
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46
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47 #endif