2014-04-28 04:45:14 +02:00
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/*
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** Trace recorder (bytecode -> SSA IR).
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2018-05-12 08:58:15 +02:00
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** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
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2014-04-28 04:45:14 +02:00
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*/
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#ifndef _LJ_RECORD_H
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#define _LJ_RECORD_H
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#include "lj_obj.h"
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#include "lj_jit.h"
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#if LJ_HASJIT
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/* Context for recording an indexed load/store. */
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typedef struct RecordIndex {
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TValue tabv; /* Runtime value of table (or indexed object). */
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TValue keyv; /* Runtime value of key. */
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TValue valv; /* Runtime value of stored value. */
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TValue mobjv; /* Runtime value of metamethod object. */
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GCtab *mtv; /* Runtime value of metatable object. */
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cTValue *oldv; /* Runtime value of previously stored value. */
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TRef tab; /* Table (or indexed object) reference. */
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TRef key; /* Key reference. */
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TRef val; /* Value reference for a store or 0 for a load. */
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TRef mt; /* Metatable reference. */
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TRef mobj; /* Metamethod object reference. */
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int idxchain; /* Index indirections left or 0 for raw lookup. */
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} RecordIndex;
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LJ_FUNC int lj_record_objcmp(jit_State *J, TRef a, TRef b,
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cTValue *av, cTValue *bv);
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LJ_FUNC TRef lj_record_constify(jit_State *J, cTValue *o);
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LJ_FUNC void lj_record_call(jit_State *J, BCReg func, ptrdiff_t nargs);
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LJ_FUNC void lj_record_tailcall(jit_State *J, BCReg func, ptrdiff_t nargs);
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LJ_FUNC void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults);
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LJ_FUNC int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm);
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LJ_FUNC TRef lj_record_idx(jit_State *J, RecordIndex *ix);
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LJ_FUNC void lj_record_ins(jit_State *J);
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LJ_FUNC void lj_record_setup(jit_State *J);
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#endif
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#endif
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