Alexandre Oliva writes:

I added this function after I posted the last version of the FR-V
patch.  Add syscall.c.

libc/sysdeps/linux/frv/Makefile

@@ -33,7 +33,7 @@ SSRC+=mcount.S
 endif
 SOBJS=$(patsubst %.S,%.o, $(SSRC))
 
-CSRC=mmap.c sysdep.c brk.c sbrk.c __init_brk.c dl-iterate-phdr.c
+CSRC=mmap.c sysdep.c syscall.c brk.c sbrk.c __init_brk.c dl-iterate-phdr.c
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 
 OBJS=$(SOBJS) $(COBJS)

libc/sysdeps/linux/frv/syscall.c

@@ -0,0 +1,41 @@
+/* syscall for frv/uClibc
+ *
+ * Copyright (C) 2004 by Alexandre Oliva <aoliva@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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 Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#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 unsigned long __scnum __asm__ ("gr7") = (sysnum);
+  register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) (arg1);
+  register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) (arg2);
+  register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) (arg3);
+  register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) (arg4);
+  register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) (arg5);
+  register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) (arg6);
+  __asm__ __volatile__ ("tra	gr0,gr0"
+			: "+r" (__sc0)
+			: "r" (__scnum), "r" (__sc1), "r" (__sc2),
+			"r" (__sc3), "r" (__sc4), "r" (__sc5));
+  __syscall_return(long,__sc0);
+}