src/lj_snap.h

   1 /*
   2 ** Snapshot handling.
   3 ** Copyright (C) 2005-2012 Mike Pall. See Copyright Notice in luajit.h
   4 */
   5
   6 #ifndef _LJ_SNAP_H
   7 #define _LJ_SNAP_H
   8
   9 #include "lj_obj.h"
  10 #include "lj_jit.h"
  11
  12 #if LJ_HASJIT
  13 LJ_FUNC void lj_snap_add(jit_State *J);
  14 LJ_FUNC void lj_snap_purge(jit_State *J);
  15 LJ_FUNC void lj_snap_shrink(jit_State *J);
  16 LJ_FUNC void lj_snap_regspmap(uint16_t *rsmap, GCtrace *T, SnapNo snapno,
  17                               int hi);
  18 LJ_FUNC const BCIns *lj_snap_restore(jit_State *J, void *exptr);
  19 LJ_FUNC void lj_snap_grow_buf_(jit_State *J, MSize need);
  20 LJ_FUNC void lj_snap_grow_map_(jit_State *J, MSize need);
  21
  22 static LJ_AINLINE void lj_snap_grow_buf(jit_State *J, MSize need)
  23 {
  24   if (LJ_UNLIKELY(need > J->sizesnap)) lj_snap_grow_buf_(J, need);
  25 }
  26
  27 static LJ_AINLINE void lj_snap_grow_map(jit_State *J, MSize need)
  28 {
  29   if (LJ_UNLIKELY(need > J->sizesnapmap)) lj_snap_grow_map_(J, need);
  30 }
  31
  32 #endif
  33
  34 #endif