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authorUlrich Drepper <drepper@redhat.com>2003-01-07 00:42:43 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-07 00:42:43 +0000
commit52f3d213311e34285c4809f043a5cf3a5876b897 (patch)
treeb785902a0af0ab92aabf9e3f155ca1728a607fac /sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c
parenta841816e175f7f7faeb5a019578b6b536ea336b6 (diff)
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Update.
2003-01-06  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* sysdeps/powerpc/powerpc32/sysdep.h (PSEUDO_RET): Add branch hint.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S: Add cancellation
	support.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: Remove
	ftruncate64, truncate64, pread64 and pwrite64 entries.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
	(INLINE_SYSCALL): Add __builtin_expect.
	(LOADARGS_n): Add argument size safety checks.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c: New file.

2003-01-06  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/generic/sysdep-cancel.h (LIBC_CANCEL_HANDLED): Define.
	* sysdeps/generic/creat.c: Include sysdep-cancel.h.
	(LIBC_CANCEL_HANDLED): Add.

	* sysdeps/unix/sysv/linux/alpha/sysdep.h
	(inline_syscall_r0_constraint): Rename to...
	(inline_syscall_r0_out_constraint): ... this.  Add =.
	(inline_syscall[0-6]): Use inline_syscall_r0_out_constraint.
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c
new file mode 100644
index 0000000000..e79d74cb75
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c
@@ -0,0 +1,78 @@
+/* Copyright (C) 1997,1998,1999,2000,2001,2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C 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.
+
+   The GNU C 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include "kernel-features.h"
+
+#ifdef __NR_ftruncate64
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+/* The variable is shared between all wrappers around *truncate64 calls.  */
+extern int have_no_truncate64;
+#endif
+
+
+/* Truncate the file FD refers to to LENGTH bytes.  */
+int
+__ftruncate64 (fd, length)
+     int fd;
+     off64_t length;
+{
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+  if (! have_no_truncate64)
+#endif
+    {
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+      int saved_errno = errno;
+#endif
+      /* On PPC32 64bit values are aligned in odd/even register pairs.  */
+      int result = INLINE_SYSCALL (ftruncate64, 4, fd, 0,
+				   (long) (length >> 32),
+				   (long) length);
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+      if (result != -1 || errno != ENOSYS)
+#endif
+	return result;
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+      __set_errno (saved_errno);
+      have_no_truncate64 = 1;
+#endif
+    }
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+  if ((off_t) length != length)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+  return __ftruncate (fd, (off_t) length);
+#endif
+}
+weak_alias (__ftruncate64, ftruncate64)
+
+#else
+/* Use the generic implementation.  */
+# include <sysdeps/generic/ftruncate64.c>
+#endif