Imported Upstream version 0.8.13upstream

1 files changed, 81 insertions, 0 deletions

diff --git a/lib/swap64.c b/lib/swap64.c
new file mode 100644
index 0000000..397bd5b
--- /dev/null
+++ b/lib/swap64.c
@@ -0,0 +1,81 @@
+/*
+swap64.c - 64-bit byte swapping functions.
+Copyright (C) 1995 - 2001 Michael Riepe
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library 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
+*/
+
+#include <private.h>
+#include <byteswap.h>
+
+#if __LIBELF64
+
+#ifndef lint
+static const char rcsid[] = "@(#) $Id: swap64.c,v 1.6 2008/05/23 08:15:35 michael Exp $";
+#endif /* lint */
+
+__libelf_u64_t
+_elf_load_u64L(const unsigned char *from) {
+    return ((__libelf_u64_t)__load_u32L(from + 4) << 32)
+	 | (__libelf_u64_t)__load_u32L(from);
+}
+
+__libelf_u64_t
+_elf_load_u64M(const unsigned char *from) {
+    return ((__libelf_u64_t)__load_u32M(from) << 32)
+	 | (__libelf_u64_t)__load_u32M(from + 4);
+}
+
+__libelf_i64_t
+_elf_load_i64L(const unsigned char *from) {
+    return ((__libelf_i64_t)__load_i32L(from + 4) << 32)
+	 | (__libelf_u64_t)__load_u32L(from);
+}
+
+__libelf_i64_t
+_elf_load_i64M(const unsigned char *from) {
+    return ((__libelf_i64_t)__load_i32M(from) << 32)
+	 | (__libelf_u64_t)__load_u32M(from + 4);
+}
+
+void
+_elf_store_u64L(unsigned char *to, __libelf_u64_t v) {
+    __store_u32L(to, (__libelf_u32_t)v);
+    v >>= 32;
+    __store_u32L(to + 4, (__libelf_u32_t)v);
+}
+
+void
+_elf_store_u64M(unsigned char *to, __libelf_u64_t v) {
+    __store_u32M(to + 4, (__libelf_u32_t)v);
+    v >>= 32;
+    __store_u32M(to, (__libelf_u32_t)v);
+}
+
+void
+_elf_store_i64L(unsigned char *to, __libelf_u64_t v) {
+    __store_u32L(to, (__libelf_u32_t)v);
+    v >>= 32;
+    __store_i32L(to + 4, (__libelf_u32_t)v);
+}
+
+void
+_elf_store_i64M(unsigned char *to, __libelf_u64_t v) {
+    __store_u32M(to + 4, (__libelf_u32_t)v);
+    v >>= 32;
+    __store_i32M(to, (__libelf_u32_t)v);
+}
+
+#endif /* __LIBELF64 */