pa.h (SELECT_SECTION): Define.

* pa/pa.h (SELECT_SECTION): Define.  Never place a something
        into the read-only data section if it requires a reloc.

From-SVN: r11847

gcc/config/pa/pa.h

@@ -1557,6 +1557,26 @@ while (0)
 			     1 + (SYMBOL_NAME)[1] == '@'\
 			     : (SYMBOL_NAME)[0] == '@'))
 
+/* On hpux10, the linker will give an error if we have a reference
+   in the read-only data section to a symbol defined in a shared
+   library.  Therefore, expressions that might require a reloc can
+   not be placed in the read-only data section.  */
+#define SELECT_SECTION(EXP,RELOC) \
+  if (TREE_CODE (EXP) == VAR_DECL \
+      && TREE_READONLY (EXP) \
+      && !TREE_THIS_VOLATILE (EXP) \
+      && DECL_INITIAL (EXP) \
+      && (DECL_INITIAL (EXP) == error_mark_node \
+          || TREE_CONSTANT (DECL_INITIAL (EXP))) \
+      && !reloc) \
+    readonly_data_section (); \
+  else if (TREE_CODE_CLASS (TREE_CODE (EXP)) == 'c' \
+	   && !(TREE_CODE (EXP) == STRING_CST && flag_writable_strings) \
+	   && !reloc) \
+    readonly_data_section (); \
+  else \
+    data_section ();
+   
 /* Arghh.  This is used for stuff in the constant pool; this may include
    function addresses on the PA, which during PIC code generation must
    reside in the data space.  Unfortunately, there's no way to determine