Patch from Miles Bader to allow Large File support on the v850.

3 files changed, 70 insertions, 3 deletions

diff --git a/libc/sysdeps/linux/v850/Makefile b/libc/sysdeps/linux/v850/Makefile
index 5d367ad39..ff95337e0 100644
--- a/libc/sysdeps/linux/v850/Makefile
+++ b/libc/sysdeps/linux/v850/Makefile
@@ -1,7 +1,7 @@
 # Makefile for uClibc
 #
-# Copyright (C) 2001  NEC Corporation
-# Copyright (C) 2001  Miles Bader <miles@gnu.org>
+# Copyright (C) 2001,2002  NEC Corporation
+# Copyright (C) 2001,2002  Miles Bader <miles@gnu.org>
 # Copyright (C) 2000  Lineo, inc.
 #
 # This program is free software; you can redistribute it and/or modify it under
@@ -36,7 +36,7 @@ CRT0_OBJ = $(patsubst %.S,%.o, $(CRT0))
 SSRC = setjmp.S longjmp.S vfork.S
 SOBJS = $(patsubst %.S,%.o, $(SSRC))
 
-CSRC = _mmap.c
+CSRC = _mmap.c truncate64.c ftruncate64.c
 COBJS = $(patsubst %.c,%.o, $(CSRC))
 
 OBJS = $(SOBJS) $(COBJS)
diff --git a/libc/sysdeps/linux/v850/ftruncate64.c b/libc/sysdeps/linux/v850/ftruncate64.c
new file mode 100644
index 000000000..929332751
--- /dev/null
+++ b/libc/sysdeps/linux/v850/ftruncate64.c
@@ -0,0 +1,33 @@
+/*
+ * libc/sysdeps/linux/v850/ftruncate64.c -- `ftruncate64' syscall for linux/v850
+ *
+ *  Copyright (C) 2002  NEC Corporation
+ *  Copyright (C) 2002  Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License.  See the file COPYING.LIB in the main
+ * directory of this archive for more details.
+ * 
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#include <features.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/syscall.h>
+
+#ifdef __UCLIBC_HAVE_LFS__
+
+/* A version of ftruncate64 that passes in the 64-bit length argument as two
+   32-bit arguments, as required by system call interface on the v850.  */
+#define __NR__ftruncate64 __NR_ftruncate64
+extern inline _syscall3 (int, _ftruncate64,
+			 int, fd, unsigned long, len_lo, long, len_hi);
+
+/* The exported ftruncate64.  */
+int ftruncate64 (int fd, __off64_t length)
+{
+  return _ftruncate64 (fd, (unsigned long)length, (long)(length >> 32));
+}
+
+#endif /* __UCLIBC_HAVE_LFS__ */
diff --git a/libc/sysdeps/linux/v850/truncate64.c b/libc/sysdeps/linux/v850/truncate64.c
new file mode 100644
index 000000000..fd8a8a0ba
--- /dev/null
+++ b/libc/sysdeps/linux/v850/truncate64.c
@@ -0,0 +1,34 @@
+/*
+ * libc/sysdeps/linux/v850/truncate64.c -- `truncate64' syscall for linux/v850
+ *
+ *  Copyright (C) 2002  NEC Corporation
+ *  Copyright (C) 2002  Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License.  See the file COPYING.LIB in the main
+ * directory of this archive for more details.
+ * 
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#include <features.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/syscall.h>
+
+#ifdef __UCLIBC_HAVE_LFS__
+
+/* A version of truncate64 that passes in the 64-bit length argument as two
+   32-bit arguments, as required by system call interface on the v850.  */
+#define __NR__truncate64 __NR_truncate64
+extern inline _syscall3 (int, _truncate64,
+			 const char *, file,
+			 unsigned long, len_lo, long, len_hi);
+
+/* The exported truncate64.  */
+int truncate64 (const char *file, __off64_t length)
+{
+  return _truncate64 (file, (unsigned long)length, (long)(length >> 32));
+}
+
+#endif /* __UCLIBC_HAVE_LFS__ */