-void
-dwarf2_compile_cfa_to_ax (struct agent_expr *expr, struct axs_value *loc,
- struct gdbarch *gdbarch,
- CORE_ADDR pc,
- struct dwarf2_per_cu_data *data)
+/* See dwarf2-frame.h. */
+
+int
+dwarf2_fetch_cfa_info (struct gdbarch *gdbarch, CORE_ADDR pc,
+ struct dwarf2_per_cu_data *data,
+ int *regnum_out, LONGEST *offset_out,
+ CORE_ADDR *text_offset_out,
+ const gdb_byte **cfa_start_out,
+ const gdb_byte **cfa_end_out)