-extern void dwarf2out_begin_block PARAMS ((unsigned));
-extern void dwarf2out_end_block PARAMS ((unsigned));
-extern int dwarf2out_ignore_block PARAMS ((tree));
-extern void dwarf2out_decl PARAMS ((tree));
-extern void dwarf2out_line PARAMS ((const char *, unsigned));
-extern void dwarf2out_frame_init PARAMS ((void));
-extern void dwarf2out_frame_debug PARAMS ((rtx));
-extern void dwarf2out_frame_finish PARAMS ((void));
+extern void dwarf2out_decl (tree);
+extern void dwarf2out_frame_debug (rtx, bool);
+extern void dwarf2out_begin_epilogue (rtx);
+extern void dwarf2out_frame_debug_restore_state (void);