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src/lj_record.h - luajit-2.0-src

Data types defined

Macros defined

Source code

  1. /*
  2. ** Trace recorder (bytecode -> SSA IR).
  3. ** Copyright (C) 2005-2015 Mike Pall. See Copyright Notice in luajit.h
  4. */

  6. #ifndef _LJ_RECORD_H
  7. ‌#define _LJ_RECORD_H

  9. #include "lj_obj.h"
  10. #include "lj_jit.h"

  12. #if LJ_HASJIT
  13. /* Context for recording an indexed load/store. */
  14. ‌typedef 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;

  29. LJ_FUNC int lj_record_objcmp(jit_State *J, TRef a, TRef b,
  30.                              cTValue *av, cTValue *bv);
  31. LJ_FUNC void lj_record_stop(jit_State *J, TraceLink linktype, TraceNo lnk);
  32. LJ_FUNC TRef lj_record_constify(jit_State *J, cTValue *o);

  34. LJ_FUNC void lj_record_call(jit_State *J, BCReg func, ptrdiff_t nargs);
  35. LJ_FUNC void lj_record_tailcall(jit_State *J, BCReg func, ptrdiff_t nargs);
  36. LJ_FUNC void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults);

  38. LJ_FUNC int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm);
  39. LJ_FUNC TRef lj_record_idx(jit_State *J, RecordIndex *ix);

  41. LJ_FUNC void lj_record_ins(jit_State *J);
  42. LJ_FUNC void lj_record_setup(jit_State *J);
  43. #endif

  45. #endif

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