Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream

1 files changed, 66 insertions, 0 deletions

diff --git a/lib/libsalsa/alsa-symbols.h b/lib/libsalsa/alsa-symbols.h
new file mode 100644
index 0000000..692846c
--- /dev/null
+++ b/lib/libsalsa/alsa-symbols.h
@@ -0,0 +1,66 @@
+/*
+ *  ALSA lib - dynamic symbol versions
+ *  Copyright (c) 2002 by Jaroslav Kysela <perex@suse.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., 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)
+
+#ifdef __powerpc64__
+# define symbol_version(real, name, version) 			\
+	__asm__ (".symver " #real "," #name "@" #version);	\
+	__asm__ (".symver ." #real ",." #name "@" #version)
+# define default_symbol_version(real, name, version) 		\
+	__asm__ (".symver " #real "," #name "@@" #version);	\
+	__asm__ (".symver ." #real ",." #name "@@" #version)
+#else
+# define symbol_version(real, name, version) \
+	__asm__ (".symver " #real "," #name "@" #version)
+# define default_symbol_version(real, name, version) \
+	__asm__ (".symver " #real "," #name "@@" #version)
+#endif
+
+#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 */
+#ifdef __powerpc64__
+#define use_default_symbol_version(real, name, version) \
+	__asm__ (".weak " #name); 			\
+	__asm__ (".weak ." #name); 			\
+	__asm__ (".set " #name "," #real);		\
+	__asm__ (".set ." #name ",." #real)
+#else
+#define use_default_symbol_version(real, name, version) \
+	__asm__ (".weak " #name); \
+	__asm__ (".set " #name "," #real)
+#endif
+#endif
+
+#endif /* __ALSA_SYMBOLS_H */