Update of /cvsroot/linux-vax/kernel-2.4/arch/vax/lib
In directory usw-pr-cvs1:/tmp/cvs-serv30022
Modified Files:
Makefile
Added Files:
negdi.c string_user.c
Log Message:
Add temporary implementation of GCC __negdi2 primitive. Add skeletons
for copy to/from user and str*_user functions
--- NEW FILE ---
/*
* $Id: negdi.c,v 1.1 2001/02/05 00:08:02 kenn Exp $
*
* Copyright (C) 2001, Kenn Humborg
*
* This is a temporary implementation of GCCs negdi2 primitive.
* Once we get native support in the compiler, this will be
* removed from here
*
*/
long long __negdi2(long long x)
{
__asm__ volatile (
" xorl2 $-1, 4(%0) \n" /* complement high longword */
" mnegl (%0), (%0) \n" /* negate low longword */
" bneq 1f \n" /* no overflow */
" incl 4(%0) \n" /* inc high longword */
"1: "
: : "r"(&x) : "r0");
return x;
}
--- NEW FILE ---
/*
* $Id: string_user.c,v 1.1 2001/02/05 00:08:02 kenn Exp $
*
* Copyright (C) 2001, Kenn Humborg
*
* These functions are used to do string operations on user memory
*/
#include <linux/string.h>
#include <linux/kernel.h> /* for panic() */
int __copy_tofrom_user(void *to, const void *from, unsigned long size)
{
panic("__copy_tofrom_user: not implemented");
}
unsigned long __clear_user(void *addr, unsigned long size)
{
panic("__clear_user: not implemented");
}
int __strncpy_from_user(char *dst, const char *src, long count)
{
panic("__strncpy_from_user: not implemented");
}
extern long __strlen_user(const char *s)
{
panic("__strlen_user: not implemented");
}
extern long __strnlen_user(const char *s, long n)
{
panic("__strnlen_user: not implemented");
}
Index: Makefile
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/arch/vax/lib/Makefile,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- Makefile 2001/01/29 01:00:20 1.3
+++ Makefile 2001/02/05 00:08:02 1.4
@@ -10,7 +10,7 @@
all: libio.a
L_TARGET := libio.a
-obj-y := string.o console.o
+obj-y := string.o string_user.o console.o negdi.o
include $(TOPDIR)/Rules.make
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