};
struct call_site_stuff;
-extern struct call_site_chain *call_site_find_chain (struct gdbarch *gdbarch,
- CORE_ADDR caller_pc,
- CORE_ADDR callee_pc);
+extern gdb::unique_xmalloc_ptr<call_site_chain> call_site_find_chain
+ (struct gdbarch *gdbarch, CORE_ADDR caller_pc, CORE_ADDR callee_pc);
/* A helper function to convert a DWARF register to an arch register.
ARCH is the architecture.