Add support for openat system call - this must be extended for the rest of these...

SVN-Revision: 13200

diff --git a/toolchain/uClibc/patches/160-add_openat_and_friends.patch b/toolchain/uClibc/patches/160-add_openat_and_friends.patch
new file mode 100644 (file)
index 0000000..74dff7b
--- /dev/null
+++ b/toolchain/uClibc/patches/160-add_openat_and_friends.patch
@@ -0,0 +1,68 @@
+Index: uClibc-0.9.29/libc/sysdeps/linux/common/openat.c
+===================================================================
+--- /dev/null  1970-01-01 00:00:00.000000000 +0000
++++ uClibc-0.9.29/libc/sysdeps/linux/common/openat.c   2008-10-27 12:59:25.000000000 +0100
+@@ -0,0 +1,41 @@
++/* vi: set sw=4 ts=4: */
++/*
++ * openat() for uClibc
++ *
++ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
++ *
++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
++ */
++
++#include <sys/syscall.h>
++#include <stdlib.h>
++#include <stdarg.h>
++#include <fcntl.h>
++#include <string.h>
++#include <sys/param.h>
++
++extern __typeof(openat) __libc_openat;
++
++#define __NR___syscall_openat __NR_openat
++static inline _syscall4(int, __syscall_openat, int, fd, const char *, file,
++              int, flags, __kernel_mode_t, mode);
++
++libc_hidden_proto(__libc_openat)
++int __libc_openat(int fd, const char *file, int oflag, ...)
++{
++      mode_t mode = 0;
++
++      if (oflag & O_CREAT) {
++              va_list arg;
++              va_start (arg, oflag);
++              mode = va_arg (arg, mode_t);
++              va_end (arg);
++      }
++
++      return __syscall_openat(fd, file, oflag, mode);
++}
++libc_hidden_def(__libc_openat)
++
++libc_hidden_proto(openat)
++weak_alias(__libc_openat,openat)
++libc_hidden_weak(openat)
+Index: uClibc-0.9.29/include/fcntl.h
+===================================================================
+--- uClibc-0.9.29.orig/include/fcntl.h 2008-10-27 12:52:04.000000000 +0100
++++ uClibc-0.9.29/include/fcntl.h      2008-10-27 13:08:11.000000000 +0100
+@@ -56,7 +56,7 @@
+ # define SEEK_END     2       /* Seek from end of file.  */
+ #endif        /* XPG */
+ 
+-#if 0 /*def __USE_GNU*/
++#ifdef __USE_GNU
+ # define AT_FDCWD             -100    /* Special value used to indicate
+                                          openat should use the current
+                                          working directory. */
+@@ -103,7 +103,7 @@
+ extern int open64 (__const char *__file, int __oflag, ...) __nonnull ((1));
+ #endif
+ 
+-#if 0 /*def __USE_GNU*/
++#ifdef __USE_GNU
+ /* Similar to OPEN but a relative path name is interpreted relative to
+    the directory for which FD is a descriptor.
+