ljx

FORK: LuaJIT with native 5.2 and 5.3 support
git clone https://git.neptards.moe/neptards/ljx.git
Log | Files | Refs | README

buildvm.h (2592B)

      1 /*
      2 ** LuaJIT VM builder.
      3 ** Copyright (C) 2005-2016 Mike Pall. See Copyright Notice in luajit.h
      4 */
      5 
      6 #ifndef _BUILDVM_H
      7 #define _BUILDVM_H
      8 
      9 #include <sys/types.h>
     10 #include <stdio.h>
     11 #include <stdlib.h>
     12 #include <string.h>
     13 #include <errno.h>
     14 
     15 #include "lj_def.h"
     16 #include "lj_arch.h"
     17 
     18 /* Hardcoded limits. Increase as needed. */
     19 #define BUILD_MAX_RELOC		200	/* Max. number of relocations. */
     20 #define BUILD_MAX_FOLD		4096	/* Max. number of fold rules. */
     21 
     22 /* Prefix for scanned library definitions. */
     23 #define LIBDEF_PREFIX		"LJLIB_"
     24 
     25 /* Prefix for scanned fold definitions. */
     26 #define FOLDDEF_PREFIX		"LJFOLD"
     27 
     28 /* Prefixes for generated labels. */
     29 #define LABEL_PREFIX		"lj_"
     30 #define LABEL_PREFIX_BC		LABEL_PREFIX "BC_"
     31 #define LABEL_PREFIX_FF		LABEL_PREFIX "ff_"
     32 #define LABEL_PREFIX_CF		LABEL_PREFIX "cf_"
     33 #define LABEL_PREFIX_FFH	LABEL_PREFIX "ffh_"
     34 #define LABEL_PREFIX_LIBCF	LABEL_PREFIX "lib_cf_"
     35 #define LABEL_PREFIX_LIBINIT	LABEL_PREFIX "lib_init_"
     36 
     37 /* Forward declaration. */
     38 struct dasm_State;
     39 
     40 /* Build modes. */
     41 #define BUILDDEF(_) \
     42   _(elfasm) _(coffasm) _(machasm) _(peobj) _(raw) \
     43   _(bcdef) _(ffdef) _(libdef) _(recdef) _(vmdef) \
     44   _(folddef)
     45 
     46 typedef enum {
     47 #define BUILDENUM(name)		BUILD_##name,
     48 BUILDDEF(BUILDENUM)
     49 #undef BUILDENUM
     50   BUILD__MAX
     51 } BuildMode;
     52 
     53 /* Code relocation. */
     54 typedef struct BuildReloc {
     55   int32_t ofs;
     56   int sym;
     57   int type;
     58 } BuildReloc;
     59 
     60 typedef struct BuildSym {
     61   const char *name;
     62   int32_t ofs;
     63 } BuildSym;
     64 
     65 /* Build context structure. */
     66 typedef struct BuildCtx {
     67   /* DynASM state pointer. Should be first member. */
     68   struct dasm_State *D;
     69   /* Parsed command line. */
     70   BuildMode mode;
     71   FILE *fp;
     72   const char *outname;
     73   char **args;
     74   /* Code and symbols generated by DynASM. */
     75   uint8_t *code;
     76   size_t codesz;
     77   int npc, nglob, nsym, nreloc, nrelocsym;
     78   void **glob;
     79   BuildSym *sym;
     80   const char **relocsym;
     81   int32_t *bc_ofs;
     82   const char *beginsym;
     83   /* Strings generated by DynASM. */
     84   const char *const *globnames;
     85   const char *const *extnames;
     86   const char *dasm_ident;
     87   const char *dasm_arch;
     88   /* Relocations. */
     89   BuildReloc reloc[BUILD_MAX_RELOC];
     90 } BuildCtx;
     91 
     92 extern void owrite(BuildCtx *ctx, const void *ptr, size_t sz);
     93 extern void emit_asm(BuildCtx *ctx);
     94 extern void emit_peobj(BuildCtx *ctx);
     95 extern void emit_lib(BuildCtx *ctx);
     96 extern void emit_fold(BuildCtx *ctx);
     97 
     98 extern const char *const bc_names[];
     99 extern const char *const ir_names[];
    100 extern const char *const irt_names[];
    101 extern const char *const irfpm_names[];
    102 extern const char *const irfield_names[];
    103 extern const char *const ircall_names[];
    104 
    105 #endif