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src/libtcc.h  view on Meta::CPAN

   - memory address    : copy code to memory passed by the caller
   returns -1 if error. */
#define TCC_RELOCATE_AUTO (void*)1

/* return symbol value or NULL if not found */
LIBTCCAPI void *tcc_get_symbol(TCCState *s, const char *name);


/* The next bit of code is guarded by an ifdef, but for this fork of
 * tcc, it should always be enabled. */
/* #ifdef CONFIG_TCC_EXSYMTAB */
/**********************************************/
/* ---- Extended symbol table management ---- */
/**********************************************/

typedef struct TokenSym* TokenSym_p;
typedef struct extended_symtab* extended_symtab_p;

/*** For building a symbol table ***/
/* Set flag in compiler state to save an extended symbol table */
LIBTCCAPI void tcc_save_extended_symtab(TCCState * s);
/* Retrieve an extended symbol table after compilation or relocation */
LIBTCCAPI extended_symtab_p tcc_get_extended_symbol_table(TCCState * s);
/* Free an extended symbol table */
LIBTCCAPI void tcc_delete_extended_symbol_table (extended_symtab_p symtab);
/* Get a TokenSym from an extended symbol table */
LIBTCCAPI TokenSym_p tcc_get_extended_tokensym(extended_symtab_p symtab, const char * name);
/* Get a Symbol (i.e. function pointer) from an extended symbol table */
LIBTCCAPI void * tcc_get_extended_symbol(extended_symtab_p symtab, const char * name);
/* Set a Symbol pointer, i.e. handle linking by hand without needing a TCCState */
LIBTCCAPI int tcc_set_extended_symbol(extended_symtab_p symtab, const char * name, const void * pointer);

/*** For using a symbol table in a dependent compilation unit ***/
/* Adds details for TokenSyms whose token ids are added to *all* compilation
 * contexts, tokens like "push" and "str". NOTE: This function acts on
 * the currently compiling table of identifiers by modifying table_ident
 * directly. Only use this after you have initialized a compiler state!!!! */
LIBTCCAPI void tcc_prep_tokensym_list(extended_symtab_p symtab);
/* Callback function signature for lookup-by-name:
 * TokenSym_p my_callback(char * name, int len, void * data, extended_symtab_p* containing_symtab) */
typedef TokenSym_p (*extended_symtab_lookup_by_name_callback)(char * name,
       int len, void * data, extended_symtab_p* containing_symtab);
/* Callback function signature for sym-is-used:
 * void my_callback(char * name, int len, void * data) */
typedef void (*extended_symtab_sym_used_callback)(char * sym_name, int len, void * data);
/* Callback function signature for compilation unit preparation:
 * void my_callback(TokenSym_p* local_ts_list, void * data) */
typedef void (*extended_symtab_prep_callback)(void * data);
/* Set the lookup/sym-used callback functions */
LIBTCCAPI void tcc_set_extended_symtab_callbacks (
       TCCState * compiler_state,
       extended_symtab_lookup_by_name_callback new_name_callback,
       extended_symtab_sym_used_callback new_sym_used_callback,
       extended_symtab_prep_callback new_prep_callback,
       void * data
);

/*** For symbol table caching ***/
LIBTCCAPI extended_symtab_p tcc_deserialize_extended_symtab(const char * input_filename);
LIBTCCAPI int tcc_serialize_extended_symtab(extended_symtab_p symtab, const char * output_filename);
LIBTCCAPI void tcc_dump_identifier_names(extended_symtab_p symtab, char * outfile);

/* Testing functions, not really for general use */
LIBTCCAPI int tcc_extended_symtab_test(extended_symtab_p, int to_test, const char * name);
LIBTCCAPI char* tcc_get_next_extended_symbol_name(extended_symtab_p symtab, int * poffset);

#ifndef SYM_EXTENDED
       #define SYM_EXTENDED   0x40000000 /* extended symbol space */
#endif
/* #endif CONFIG_TCC_EXSYMTAB */

#ifdef __cplusplus
}
#endif

#endif