Add init_array's to test-app linker script

Author: dgarske

test-app/PPC.ld

@@ -25,7 +25,27 @@ SECTIONS
         KEEP(*(.data*))
         . = ALIGN(4);
         KEEP(*(.ramcode))
+
+        /* preinit data */
+        . = ALIGN(4);
+        PROVIDE_HIDDEN (__preinit_array_start = .);
+        KEEP(*(.preinit_array))
+        PROVIDE_HIDDEN (__preinit_array_end = .);
+
+        /* init data */
         . = ALIGN(4);
+        PROVIDE_HIDDEN (__init_array_start = .);
+        KEEP(*(SORT(.init_array.*)))
+        KEEP(*(.init_array))
+        PROVIDE_HIDDEN (__init_array_end = .);
+
+        /* finit data */
+        . = ALIGN(4);
+        PROVIDE_HIDDEN (__fini_array_start = .);
+        KEEP(*(SORT(.fini_array.*)))
+        KEEP(*(.fini_array))
+        PROVIDE_HIDDEN (__fini_array_end = .);
+
         _end_data = .;
     }