$Id: update-patches 24 2008-08-31 14:56:13Z wbx $
--- strace-4.5.18.orig/signal.c	2008-08-20 03:59:40.000000000 +0200
+++ strace-4.5.18/signal.c	2009-01-02 21:24:05.502094888 +0100
@@ -1485,9 +1485,38 @@ struct tcb *tcp;
 	}
 	return 0;
 #else
+#if defined(CRISV10) || defined(CRISV32)
+	struct sigcontext sc;
+	
+	if (entering(tcp)) {
+	   long regs[PT_MAX+1];
+
+	   tcp->u_arg[0] = 0;
+
+	   if (ptrace(PTRACE_GETREGS, tcp->pid, NULL, (long)regs) < 0) {
+			perror("sigreturn: PTRACE_GETREGS");
+			return 0;
+	   }
+	   if (umove(tcp, regs[PT_USP], &sc) < 0)
+			return 0;
+	   tcp->u_arg[0] = 1;
+	   tcp->u_arg[1] = sc.oldmask;
+   } else {
+	   sigset_t sigm;
+
+	   long_to_sigset(tcp->u_arg[1], &sigm);
+	   tcp->u_rval = tcp->u_error = 0;
+	   if (tcp->u_arg[0] == 0)
+			return 0;
+	   tcp->auxstr = sprintsigmask("mask now ", &sigm, 0);
+	   return RVAL_NONE | RVAL_STR;
+   }
+   return 0;
+#else
 #warning No sys_sigreturn() for this architecture
 #warning         (no problem, just a reminder :-)
 	return 0;
+#endif /* !CRISV10/!CRISV32 */
 #endif /* MIPS */
 #endif /* LINUX_MIPSN32 || LINUX_MIPSN64 */
 #endif /* SPARC || SPARC64 */