extern int default_has_shared_address_space (struct gdbarch *);
extern int default_fast_tracepoint_valid_at (struct gdbarch *gdbarch,
- CORE_ADDR addr, char **msg);
+ CORE_ADDR addr, std::string *msg);
extern const gdb_byte *default_breakpoint_from_pc (struct gdbarch *gdbarch,
CORE_ADDR *pcptr,