/*

 *  ALSA lib - dynamic symbol versions

 *  Copyright (c) 2002 by Jaroslav Kysela <perex@perex.cz>

 *

 *

 *   This library is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU Lesser General Public License as

 *   published by the Free Software Foundation; either version 2.1 of

 *   the License, or (at your option) any later version.

 *

 *   This program 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 Lesser General Public License for more details.

 *

 *   You should have received a copy of the GNU Lesser General Public

 *   License along with this library; if not, write to the Free Software

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

#ifndef __ALSA_SYMBOLS_H

#define __ALSA_SYMBOLS_H

#if defined(PIC) && defined(VERSIONED_SYMBOLS) /* might be also configurable */

#define USE_VERSIONED_SYMBOLS

#endif

#define INTERNAL_CONCAT2_2(Pre, Post) Pre##Post

#define INTERNAL(Name) INTERNAL_CONCAT2_2(__, Name)

#define symbol_version(real, name, version) \

	__asm__ (".symver " ASM_NAME(#real) "," ASM_NAME(#name) "@" #version)

#define default_symbol_version(real, name, version) \

	__asm__ (".symver " ASM_NAME(#real) "," ASM_NAME(#name) "@@" #version)

#define EXPORT_SYMBOL __attribute__((visibility("default"),externally_visible))

#ifdef USE_VERSIONED_SYMBOLS

#define use_symbol_version(real, name, version) \

		symbol_version(real, name, version)

#define use_default_symbol_version(real, name, version) \

		default_symbol_version(real, name, version)

#else

#define use_symbol_version(real, name, version) /* nothing */

#if defined(__alpha__) || defined(__mips__)

#define use_default_symbol_version(real, name, version) \

        __asm__ (".weak " ASM_NAME(#name)); \

        __asm__ (ASM_NAME(#name) " = " ASM_NAME(#real))

#else

#define use_default_symbol_version(real, name, version) \

	__asm__ (".weak " ASM_NAME(#name)); \

	__asm__ (".set " ASM_NAME(#name) "," ASM_NAME(#real))

#endif

#endif

#endif /* __ALSA_SYMBOLS_H */