lj_record.h (1813B)
1 /* 2 ** Trace recorder (bytecode -> SSA IR). 3 ** Copyright (C) 2005-2016 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. */ 14 typedef struct RecordIndex { 15 TValue otabv; /* Original runtime value of table (or indexed object). */ 16 TValue tabv; /* Runtime value of table (or indexed object). */ 17 TValue keyv; /* Runtime value of key. */ 18 TValue valv; /* Runtime value of stored value. */ 19 TValue mobjv; /* Runtime value of metamethod object. */ 20 GCtab *mtv; /* Runtime value of metatable object. */ 21 cTValue *oldv; /* Runtime value of previously stored value. */ 22 TRef otab; /* Original table (or indexed object) reference. */ 23 TRef tab; /* Table (or indexed object) reference. */ 24 TRef key; /* Key reference. */ 25 TRef val; /* Value reference for a store or 0 for a load. */ 26 TRef mt; /* Metatable reference. */ 27 TRef mobj; /* Metamethod object reference. */ 28 int idxchain; /* Index indirections left or 0 for raw lookup. */ 29 } RecordIndex; 30 31 LJ_FUNC int lj_record_objcmp(jit_State *J, TRef a, TRef b, 32 cTValue *av, cTValue *bv); 33 LJ_FUNC void lj_record_stop(jit_State *J, TraceLink linktype, TraceNo lnk); 34 LJ_FUNC TRef lj_record_constify(jit_State *J, cTValue *o); 35 36 LJ_FUNC void lj_record_call(jit_State *J, BCReg func, ptrdiff_t nargs); 37 LJ_FUNC void lj_record_tailcall(jit_State *J, BCReg func, ptrdiff_t nargs); 38 LJ_FUNC void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults); 39 40 LJ_FUNC int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm); 41 LJ_FUNC TRef lj_record_idx(jit_State *J, RecordIndex *ix); 42 43 LJ_FUNC void lj_record_ins(jit_State *J); 44 LJ_FUNC void lj_record_setup(jit_State *J); 45 #endif 46 47 #endif