diff options
Diffstat (limited to 'libc/sysdeps/linux')
| -rw-r--r-- | libc/sysdeps/linux/i386/posix_fadvise64.S | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/posix_fadvise64.S b/libc/sysdeps/linux/i386/posix_fadvise64.S new file mode 100644 index 000000000..27cf7dd68 --- /dev/null +++ b/libc/sysdeps/linux/i386/posix_fadvise64.S @@ -0,0 +1,68 @@ +/* Copyright (C) 1995-2000,2002,2003,2004,2005,2006 + 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. */ + +#define _ERRNO_H 1 +#include <features.h> +#include <bits/errno.h> +#include <sys/syscall.h> + +.text +.global posix_fadvise64 +.type posix_fadvise64,%function +posix_fadvise64: +#ifdef __NR_posix_fadvise64_64 + + /* Save regs */ + pushl %ebp + pushl %ebx + pushl %esi + pushl %edi + + movl $__NR_posix_fadvise64_64, %eax /* Syscall number in %eax. */ + + movl 24(%esp), %ebx + movl 28(%esp), %ecx + movl 32(%esp), %edx + movl 36(%esp), %esi + movl 40(%esp), %edi + movl 44(%esp), %ebp + + /* Do the system call trap. */ + int $0x80 + + /* Restore regs */ + popl %edi + popl %esi + popl %ebx + popl %ebp + + /* If 0 > %eax > -4096 there was an error. */ + cmpl $-4096, %eax + ja __syscall_error +#else + movl $-ENOSYS, %eax + jmp __syscall_error +#endif + /* Successful; return the syscall's value. */ + ret + +.size posix_fadvise64,.-posix_fadvise64 + +libc_hidden_def(posix_fadvise64) + |