Update of /cvsroot/linux-vax/kernel-2.4/arch/vax/lib
In directory usw-pr-cvs1:/tmp/cvs-serv28187
Modified Files:
string_user.c Makefile
Added Files:
strncpy_user.S
Log Message:
implemented strncpy_from_user... first of many ... copy/to/from should
be next ... then strnlen
the strncpy bit seems correct .. the fixup/exception table stuff not sure
about
--- NEW FILE ---
/*
* $ID$
*
* Copyright (C) 2001, Dave Airlie
*
* VAX Assembly implementation of strncpy_from_user
*/
#include <asm/errno.h>
#include <linux/linkage.h>
/* int __strncpy_from_user(char *dst, const char *src, long count)
* Returns number of bytes copied
*/
.text
ENTRY(__strncpy_from_user)
.word 0x3e
movl 4(ap), r2 /* r2 now has dst */
movl 8(ap), r3 /* r3 now has src */
movl 12(ap), r0 /* r0 has count */
movl r0, r1 /* keep count in r1 */
beql 2f
1: movb (r3)+, r4
movb r4, (r2)+
cmpb $0, r4
beql 2f
sobgtr r1, 1b
2: subl2 r1, r0
ret
.section .fixup, "ax"
3: movl r0, -EFAULT
ret
.previous
.section __ex_table, "a"
.align 4
.long 1b, 3b
.previous
Index: string_user.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/arch/vax/lib/string_user.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- string_user.c 2001/02/05 00:08:02 1.1
+++ string_user.c 2001/03/11 14:00:58 1.2
@@ -22,12 +22,6 @@
}
-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");
Index: Makefile
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/arch/vax/lib/Makefile,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -r1.8 -r1.9
--- Makefile 2001/03/03 13:01:55 1.8
+++ Makefile 2001/03/11 14:00:58 1.9
@@ -12,7 +12,7 @@
all: libio.a
L_TARGET := libio.a
-obj-y := string.o string_user.o console.o negdi.o checksum.o lshrdi3.o
+obj-y := string.o string_user.o console.o negdi.o checksum.o lshrdi3.o strncpy_user.o
include $(TOPDIR)/Rules.make
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