/* * ALSA lib - dynamic symbol versions * Copyright (c) 2002 by Jaroslav Kysela * * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 " #real "," #name "@" #version) #define default_symbol_version(real, name, version) \ __asm__ (".symver " #real "," #name "@@" #version) #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 */ #define use_default_symbol_version(real, name, version) \ __asm__ (".weak " #name); \ __asm__ (".set " #name "," #real) #endif #endif /* __ALSA_SYMBOLS_H */