Add a macro "CALL()" to call a function correctly in the pic and non pic

case. Write ERROR() in terms of call.

lib/libc/arch/sparc/SYS.h

@@ -37,7 +37,7 @@
  *	@(#)SYS.h	8.1 (Berkeley) 6/4/93
  *
  *	from: Header: SYS.h,v 1.2 92/07/03 18:57:00 torek Exp
- *	$NetBSD: SYS.h,v 1.10 2000/06/26 06:31:37 kleink Exp $
+ *	$NetBSD: SYS.h,v 1.11 2001/07/23 01:40:33 christos Exp $
  */
 
 #include <machine/asm.h>
@@ -63,13 +63,14 @@
  * change it to be position independent later, if need be.
  */
 #ifdef PIC
-#define	ERROR() \
+#define CALL(name) \
 	PIC_PROLOGUE(%g1,%g2); \
-	ld [%g1+CERROR],%g2; jmp %g2; nop
+	ld [%g1+name],%g2; jmp %g2; nop
 #else
-#define	ERROR() \
-	sethi %hi(CERROR),%g1; or %lo(CERROR),%g1,%g1; jmp %g1; nop
+#define	CALL(name) \
+	sethi %hi(name),%g1; or %lo(name),%g1,%g1; jmp %g1; nop
 #endif
+#define	ERROR() CALL(CERROR)
 
 /*
  * SYSCALL is used when further action must be taken before returning.