gallium/util: move endian detect into a separate file

This just ports the simpler endian detection bits, addrlib
sharing wants this outside gallium.

Acked-by: Marek Olšák <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>

2 files changed, 71 insertions, 1 deletions

diff --git a/src/util/Makefile.sources b/src/util/Makefile.sources
index 6def4f7c561..59506150863 100644
--- a/src/util/Makefile.sources
+++ b/src/util/Makefile.sources
@@ -30,7 +30,8 @@ MESA_UTIL_FILES :=	\
 	strtod.c \
 	strtod.h \
 	texcompress_rgtc_tmp.h \
-	u_atomic.h
+	u_atomic.h \
+	u_endian.h
 
 MESA_UTIL_GENERATED_FILES = \
 	format_srgb.c
diff --git a/src/util/u_endian.h b/src/util/u_endian.h
new file mode 100644
index 00000000000..aae3e5a958f
--- /dev/null
+++ b/src/util/u_endian.h
@@ -0,0 +1,69 @@
+/**************************************************************************
+ * 
+ * Copyright 2007-2008 VMware, Inc.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+#ifndef U_ENDIAN_H
+#define U_ENDIAN_H
+
+#ifdef __GLIBC__
+#include <endian.h>
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# define PIPE_ARCH_LITTLE_ENDIAN
+#elif __BYTE_ORDER == __BIG_ENDIAN
+# define PIPE_ARCH_BIG_ENDIAN
+#endif
+
+#elif defined(__APPLE__)
+#include <machine/endian.h>
+
+#if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
+# define PIPE_ARCH_LITTLE_ENDIAN
+#elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
+# define PIPE_ARCH_BIG_ENDIAN
+#endif
+
+#elif defined(__sun)
+#include <sys/isa_defs.h>
+
+#if defined(_LITTLE_ENDIAN)
+# define PIPE_ARCH_LITTLE_ENDIAN
+#elif defined(_BIG_ENDIAN)
+# define PIPE_ARCH_BIG_ENDIAN
+#endif
+
+#elif defined(__OpenBSD__) || defined(__NetBSD__)
+#include <sys/types.h>
+#include <machine/endian.h>
+
+#if _BYTE_ORDER == _LITTLE_ENDIAN
+# define PIPE_ARCH_LITTLE_ENDIAN
+#elif _BYTE_ORDER == _BIG_ENDIAN
+# define PIPE_ARCH_BIG_ENDIAN
+#endif
+
+#endif
+
+#endif