mirror of https://github.com/axmolengine/axmol.git
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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** Bytecode dump definitions.
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** Copyright (C) 2005-2013 Mike Pall. See Copyright Notice in luajit.h
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*/
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#ifndef _LJ_BCDUMP_H
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#define _LJ_BCDUMP_H
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#include "lj_obj.h"
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#include "lj_lex.h"
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/* -- Bytecode dump format ------------------------------------------------ */
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/*
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** dump = header proto+ 0U
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** header = ESC 'L' 'J' versionB flagsU [namelenU nameB*]
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** proto = lengthU pdata
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** pdata = phead bcinsW* uvdataH* kgc* knum* [debugB*]
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** phead = flagsB numparamsB framesizeB numuvB numkgcU numknU numbcU
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** [debuglenU [firstlineU numlineU]]
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** kgc = kgctypeU { ktab | (loU hiU) | (rloU rhiU iloU ihiU) | strB* }
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** knum = intU0 | (loU1 hiU)
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** ktab = narrayU nhashU karray* khash*
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** karray = ktabk
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** khash = ktabk ktabk
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** ktabk = ktabtypeU { intU | (loU hiU) | strB* }
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**
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** B = 8 bit, H = 16 bit, W = 32 bit, U = ULEB128 of W, U0/U1 = ULEB128 of W+1
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*/
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/* Bytecode dump header. */
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#define BCDUMP_HEAD1 0x1b
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#define BCDUMP_HEAD2 0x4c
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#define BCDUMP_HEAD3 0x4a
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/* If you perform *any* kind of private modifications to the bytecode itself
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** or to the dump format, you *must* set BCDUMP_VERSION to 0x80 or higher.
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*/
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#define BCDUMP_VERSION 1
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/* Compatibility flags. */
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#define BCDUMP_F_BE 0x01
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#define BCDUMP_F_STRIP 0x02
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#define BCDUMP_F_FFI 0x04
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#define BCDUMP_F_KNOWN (BCDUMP_F_FFI*2-1)
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/* Type codes for the GC constants of a prototype. Plus length for strings. */
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enum {
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BCDUMP_KGC_CHILD, BCDUMP_KGC_TAB, BCDUMP_KGC_I64, BCDUMP_KGC_U64,
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BCDUMP_KGC_COMPLEX, BCDUMP_KGC_STR
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};
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/* Type codes for the keys/values of a constant table. */
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enum {
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BCDUMP_KTAB_NIL, BCDUMP_KTAB_FALSE, BCDUMP_KTAB_TRUE,
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BCDUMP_KTAB_INT, BCDUMP_KTAB_NUM, BCDUMP_KTAB_STR
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};
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/* -- Bytecode reader/writer ---------------------------------------------- */
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LJ_FUNC int lj_bcwrite(lua_State *L, GCproto *pt, lua_Writer writer,
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void *data, int strip);
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LJ_FUNC GCproto *lj_bcread(LexState *ls);
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#endif
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