2.5-18.1

sysdeps/unix/sysv/linux/i386/sync_file_range.S

@@ -0,0 +1,72 @@
+/* Selective file content synch'ing.
+   Copyright (C) 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.  */
+
+#include <sysdep.h>
+#define _ERRNO_H        1
+#include <bits/errno.h>
+
+
+	.text
+ENTRY (sync_file_range)
+#ifdef __NR_sync_file_range
+	pushl	%ebx
+	cfi_adjust_cfa_offset (4)
+	pushl	%esi
+	cfi_adjust_cfa_offset (4)
+	pushl	%edi
+	cfi_adjust_cfa_offset (4)
+	pushl	%ebp
+	cfi_adjust_cfa_offset (4)
+
+	movl	20(%esp), %ebx
+	cfi_rel_offset (ebx, 12)
+	movl	24(%esp), %ecx
+	movl	28(%esp), %edx
+	movl	32(%esp), %esi
+	cfi_rel_offset (esi, 8)
+	movl	36(%esp), %edi
+	cfi_rel_offset (edi, 4)
+	movl	40(%esp), %ebp
+	cfi_rel_offset (ebp, 0)
+
+	movl	$SYS_ify(sync_file_range), %eax
+	ENTER_KERNEL
+
+	popl	%ebp
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (ebp)
+	popl	%edi
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (edi)
+	popl	%esi
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (esi)
+	popl	%ebx
+	cfi_adjust_cfa_offset (-4)
+	cfi_restore (ebx)
+
+	cmpl	$-4095, %eax
+	jae	SYSCALL_ERROR_LABEL
+L(pseudo_end):
+	ret
+#else
+	movl	$-ENOSYS, %eax
+	jmp	SYSCALL_ERROR_LABEL
+#endif
+PSEUDO_END (sync_file_range)