text: /*
  ** Snapshot handling.
  ** Copyright (C) 2005-2022 Mike Pall. See Copyright Notice in luajit.h
  */
  
  #ifndef _LJ_SNAP_H
  #define _LJ_SNAP_H
  
  #include "lj_obj.h"
  #include "lj_jit.h"
  
  #if LJ_HASJIT
  LJ_FUNC void lj_snap_add(jit_State *J);
  LJ_FUNC void lj_snap_purge(jit_State *J);
  LJ_FUNC void lj_snap_shrink(jit_State *J);
  LJ_FUNC IRIns *lj_snap_regspmap(jit_State *J, GCtrace *T, SnapNo snapno,
  				IRIns *ir);
  LJ_FUNC void lj_snap_replay(jit_State *J, GCtrace *T);
  LJ_FUNC const BCIns *lj_snap_restore(jit_State *J, void *exptr);
  LJ_FUNC void lj_snap_grow_buf_(jit_State *J, MSize need);
  LJ_FUNC void lj_snap_grow_map_(jit_State *J, MSize need);
  
  static LJ_AINLINE void lj_snap_grow_buf(jit_State *J, MSize need)
  {
    if (LJ_UNLIKELY(need > J->sizesnap)) lj_snap_grow_buf_(J, need);
  }
  
  static LJ_AINLINE void lj_snap_grow_map(jit_State *J, MSize need)
  {
    if (LJ_UNLIKELY(need > J->sizesnapmap)) lj_snap_grow_map_(J, need);
  }
  
  #endif
  
  #endif
  