Yasm Assembler mainline development tree (ffmpeg 依赖)
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/* $IdPath$
* Object format module interface header file
*
* Copyright (C) 2001 Peter Johnson
*
* This file is part of YASM.
*
* YASM is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* YASM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef YASM_OBJFMT_H
#define YASM_OBJFMT_H
/* Interface to the object format module(s) */
struct objfmt {
/* one-line description of the format */
const char *name;
/* keyword used to select format on the command line */
const char *keyword;
/* default output file extension (without the '.') */
const char *extension;
/* default (starting) section name */
const char *default_section_name;
/* default (starting) BITS setting */
const unsigned char default_mode_bits;
/* NULL-terminated list of debugging formats that are valid to use with
* this object format.
*/
/* debugfmt **debugfmts;*/
/* Default debugging format (set even if there's only one available to
* use)
*/
/* debugfmt *default_df;*/
/* Initializes object output. Must be called before any other object
* format functions.
*/
void (*initialize) (/*@dependent@*/ FILE *f);
/* Finishes object output, and cleans up anything created by initialize. */
void (*finalize) (void);
/* Switch object file sections. The first val of the valparams should
* be the section name. Returns NULL if something's wrong, otherwise
* returns the new section.
*/
/*@dependent@*/ /*@null@*/ section *
(*sections_switch)(sectionhead *headp, valparamhead *valparams,
/*@null@*/ valparamhead *objext_valparams);
void (*section_data_delete)(/*@only@*/ void *data);
void (*section_data_print)(FILE *f, /*@null@*/ void *data);
/*@null@*/ void *(*extern_data_new)(const char *name, /*@null@*/
valparamhead *objext_valparams);
/*@null@*/ void *(*global_data_new)(const char *name, /*@null@*/
valparamhead *objext_valparams);
/*@null@*/ void *(*common_data_new)(const char *name,
/*@only@*/ expr *size, /*@null@*/
valparamhead *objext_valparams);
/* It's only valid to pass these two functions *one* SymVisibility (eg, vis
* is an enum not a bitmask).
*/
void (*declare_data_delete)(SymVisibility vis, /*@only@*/ void *data);
void (*declare_data_print)(FILE *f, SymVisibility vis,
/*@null@*/ void *data);
/* Object format-specific directive support. Returns 1 if directive was
* not recognized. Returns 0 if directive was recognized, even if it
* wasn't valid.
*/
int (*directive)(const char *name, valparamhead *valparams,
/*@null@*/ valparamhead *objext_valparams);
};
/* Generic functions for all object formats - implemented in src/objfmt.c */
/* Finds an object format based on its keyword. Returns NULL if no match was
* found.
*/
/*@null@*/ objfmt *find_objfmt(const char *keyword);
/* Lists all available object formats. Calls printfunc with the name and
* keyword of each available format.
*/
void list_objfmts(void (*printfunc) (const char *name, const char *keyword));
#endif