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67ca399a30
Typically reduces storage overhead for snapshot maps by 60%. The extensible format is a prerequisite for the next redesign steps: Eliminate IR_FRAME and implement return-to-lower-frame.
33 lines
818 B
C
33 lines
818 B
C
/*
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** Snapshot handling.
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** Copyright (C) 2005-2010 Mike Pall. See Copyright Notice in luajit.h
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*/
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#ifndef _LJ_SNAP_H
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#define _LJ_SNAP_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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LJ_FUNC void lj_snap_add(jit_State *J);
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LJ_FUNC void lj_snap_shrink(jit_State *J);
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LJ_FUNC void lj_snap_regspmap(uint16_t *rsmap, Trace *T, SnapNo snapno);
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LJ_FUNC void lj_snap_restore(jit_State *J, void *exptr);
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LJ_FUNC void lj_snap_grow_buf_(jit_State *J, MSize need);
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LJ_FUNC void lj_snap_grow_map_(jit_State *J, MSize need);
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static LJ_AINLINE void lj_snap_grow_buf(jit_State *J, MSize need)
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{
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if (LJ_UNLIKELY(need > J->sizesnap)) lj_snap_grow_buf_(J, need);
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}
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static LJ_AINLINE void lj_snap_grow_map(jit_State *J, MSize need)
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{
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if (LJ_UNLIKELY(need > J->sizesnapmap)) lj_snap_grow_map_(J, need);
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}
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#endif
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#endif
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