[uClibc-cvs] uClibc/libc/sysdeps/linux/sh syscall.c, NONE, 1.1 Makefile, 1.29, 1.30

[Manuel Novoa III]

Update of /var/cvs/uClibc/libc/sysdeps/linux/sh
In directory winder:/tmp/cvs-serv27856

Modified Files:
	Makefile 
Added Files:
	syscall.c 
Log Message:
Add a syscall() implementation using a hacked version of the syscall6 macro.  
Untested, but syscall() is needed by busybox for pivot_root at least.


--- NEW FILE: syscall.c ---


#include <features.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/syscall.h>

long syscall(long sysnum,
			 long arg1, long arg2, long arg3,
			 long arg4, long arg5, long arg6)
{
register long __sc3 __asm__ ("r3") = sysnum;
register long __sc4 __asm__ ("r4") = (long) arg1;
register long __sc5 __asm__ ("r5") = (long) arg2;
register long __sc6 __asm__ ("r6") = (long) arg3;
register long __sc7 __asm__ ("r7") = (long) arg4;
register long __sc0 __asm__ ("r0") = (long) arg5;
register long __sc1 __asm__ ("r1") = (long) arg6;
__asm__ __volatile__ ("trapa	#0x15" \
	: "=z" (__sc0) \
	: "0" (__sc0), "r" (__sc4), "r" (__sc5), "r" (__sc6), "r" (__sc7), \
	  "r" (__sc3), "r" (__sc1) \
	: "memory" );
__syscall_return(long,__sc0);
}

Index: Makefile
===================================================================
RCS file: /var/cvs/uClibc/libc/sysdeps/linux/sh/Makefile,v
retrieving revision 1.29
retrieving revision 1.30
diff -u -d -r1.29 -r1.30
--- Makefile	22 Nov 2003 21:22:18 -0000	1.29
+++ Makefile	2 Dec 2003 19:06:31 -0000	1.30
@@ -31,7 +31,7 @@
 SSRC=setjmp.S __longjmp.S vfork.S clone.S
 SOBJS=$(patsubst %.S,%.o, $(SSRC))
 
-CSRC=_mmap.c longjmp.c pipe.c __init_brk.c brk.c sbrk.c
+CSRC=_mmap.c longjmp.c pipe.c __init_brk.c brk.c sbrk.c syscall.c
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 
 OBJS=$(SOBJS) $(MOBJ) $(COBJS)