+ void (* label) (rtx);
+
+ /* Called after the start and before the end of writing a PCH file.
+ The parameter is 0 if after the start, 1 if before the end. */
+ void (* handle_pch) (unsigned int);
+
+ /* Called from final_scan_insn for any NOTE_INSN_VAR_LOCATION note. */
+ void (* var_location) (rtx);
+
+ /* Called from final_scan_insn if there is a switch between hot and cold
+ text sections. */
+ void (* switch_text_section) (void);
+
+ /* Records a direct call to the function DECL, noting the point of call
+ and the debug info for the function. Called from final_scan_insn
+ when ICF debugging is enabled. */
+ void (* direct_call) (tree decl);
+
+ /* Records the OBJ_TYPE_REF_TOKEN for a virtual call through ADDR, which
+ for C++ is the vtable slot index, noting the INSN_UID for the call
+ instruction. Called from calls.c:emit_call_1 when ICF debugging is
+ enabled. It's necessary to do this during lowering because the
+ call instruction and the OBJ_TYPE_REF become separated after that
+ point. */
+ void (* virtual_call_token) (tree addr, int insn_uid);
+
+ /* Copies the OBJ_TYPE_REF_TOKEN for a virtual call from OLD_INSN to
+ NEW_INSN. Called from emit-rtl.c:try_split when a CALL_INSN is
+ split, so that the vtable slot index remains associated with the
+ new CALL_INSN. */
+ void (* copy_call_info) (rtx old_insn, rtx new_insn);
+
+ /* Records a virtual call given INSN_UID, which is the UID of the call
+ instruction. The UID is then mapped to the vtable slot index noted
+ during the lowering phase. Called from final_scan_insn when ICF
+ debugging is enabled. */
+ void (* virtual_call) (int insn_uid);
+
+ /* Called from grokdeclarator. Replaces the anonymous name with the
+ type name. */
+ void (* set_name) (tree, tree);
+
+ /* This is 1 if the debug writer wants to see start and end commands for the
+ main source files, and 0 otherwise. */
+ int start_end_main_source_file;