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On Thu, May 25, Ulrich Drepper wrote: > Thorsten Kukuk <kukuk@suse.de> writes: > > > But with the current situation, I think we need to duplicate this > > files for every big endian architecture and change the syscall. > > Yes, and this is no real problem. Just locate them and provide an > alternative file. Assume we cannot change the kernel (which is most > probably the correct assumption). Ok, here is a patch for sparc32. It seems PowerPC doesn't support LFS in the moment, but they have to make the same changes if they support it. Have we more big-endian, 32bit architectures ? The other syscalls looks ok. The patch is for glibc 2.1 and 2.2. Thorsten -- Thorsten Kukuk http://www.suse.de/~kukuk/ kukuk@suse.de SuSE GmbH Schanzaeckerstr. 10 90443 Nuernberg Linux is like a Vorlon. It is incredibly powerful, gives terse, cryptic answers and has a lot of things going on in the background.
2000-05-26 Thorsten Kukuk <kukuk@suse.de> * sysdeps/unix/sysv/linux/sparc/sparc32/ftruncate64.c: New, change syscall arguments for big-endian. * sysdeps/unix/sysv/linux/sparc/sparc32/truncate64.c: Likewise. --- sysdeps/unix/sysv/linux/sparc/sparc32/ftruncate64.c +++ sysdeps/unix/sysv/linux/sparc/sparc32/ftruncate64.c 2000/05/26 07:44:11 @@ -0,0 +1,67 @@ +/* Copyright (C) 1997, 1998, 1999, 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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> + +#ifdef __NR_ftruncate64 +#ifndef __ASSUME_TRUNCATE64_SYSCALL +/* The variable is shared between all wrappers around *truncate64 calls. */ +extern int __have_no_truncate64; +#endif + +extern int __syscall_ftruncate64 (int fd, int high_length, int low_length); + + +/* Truncate the file FD refers to to LENGTH bytes. */ +int +ftruncate64 (fd, length) + int fd; + off64_t length; +{ + if (! __have_no_truncate64) + { + unsigned int low = length & 0xffffffff; + unsigned int high = length >> 32; + int saved_errno = errno; + + int result = INLINE_SYSCALL (ftruncate64, 3, fd, high, low); + + if (result != -1 || errno != ENOSYS) + return result; + + __set_errno (saved_errno); + __have_no_truncate64 = 1; + } + + if ((off_t) length != length) + { + __set_errno (EINVAL); + return -1; + } + return __ftruncate (fd, (off_t) length); +} + +#else +/* Use the generic implementation. */ +# include <sysdeps/generic/ftruncate64.c> +#endif --- sysdeps/unix/sysv/linux/sparc/sparc32/truncate64.c +++ sysdeps/unix/sysv/linux/sparc/sparc32/truncate64.c 2000/05/26 07:44:11 @@ -0,0 +1,65 @@ +/* Copyright (C) 1997, 1998, 1999, 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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> + +#ifdef __NR_truncate64 +/* The variable is shared between all wrappers around *truncate64 calls. */ +int __have_no_truncate64; + +extern int __syscall_truncate64 (int fd, int high_length, int low_length); + + +/* Truncate the file FD refers to to LENGTH bytes. */ +int +truncate64 (path, length) + const char *path; + off64_t length; +{ + if (! __have_no_truncate64) + { + unsigned int low = length & 0xffffffff; + unsigned int high = length >> 32; + int saved_errno = errno; + + int result = INLINE_SYSCALL (truncate64, 3, path, high, low); + + if (result != -1 || errno != ENOSYS) + return result; + + __set_errno (saved_errno); + __have_no_truncate64 = 1; + } + + if ((off_t) length != length) + { + __set_errno (EINVAL); + return -1; + } + return truncate (path, (off_t) length); +} + +#else +/* Use the generic implementation. */ +# include <sysdeps/generic/truncate64.c> +#endif
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