libgcj_bc.c (__data_start, [...]): Add dummy usage.

2009-09-16  Andrew Haley  <aph@redhat.com>

	* libgcj_bc.c (__data_start, data_start, _end): Add dummy usage.

From-SVN: r151742

libjava/ChangeLog

+2009-09-16  Andrew Haley  <aph@redhat.com>
+
+	* libgcj_bc.c (__data_start, data_start, _end): Add dummy usage.
+
 2009-09-11  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* Makefile.am (libgij_la_LINK, libjvm_la_LINK): New.

libjava/libgcj_bc.c

@@ -112,3 +112,14 @@ DECLARE_PRIM_TYPE(char)
 DECLARE_PRIM_TYPE(float)
 DECLARE_PRIM_TYPE(double)
 DECLARE_PRIM_TYPE(void)
+
+
+/* Force executable to export __data_start et al.  */
+
+#pragma weak __data_start
+extern int __data_start[];
+#pragma weak data_start
+extern int data_start[];
+#pragma weak _end
+extern int _end[];
+static void *dummy[] __attribute__((used)) = {__data_start, data_start, _end};