pa.h (DO_GLOBAL_DTORS_BODY): Define.

	* config/pa/pa.h (DO_GLOBAL_DTORS_BODY): Define.  Include a
	reference to __gcc_plt_call so __gcc_plt_call always appears in
	executables which reference __main.

From-SVN: r8702

gcc/config/pa/pa.h

@@ -2107,3 +2107,13 @@ extern struct rtx_def *hppa_save_pic_table_rtx;
   {"call_operand_address", {LABEL_REF, SYMBOL_REF, CONST_INT,		\
 			    CONST, HIGH}},
 #endif
+
+#define DO_GLOBAL_DTORS_BODY \
+do { \
+  extern void __gcc_plt_call (); \
+  volatile int reference = &__gcc_plt_call; \
+  func_ptr *p; \
+  for (p = __DTOR_LIST__ + 1; *p; ) \
+    (*p++) (); \
+} while (0)
+