int hppa_extract_17 (unsigned int);
int hppa_extract_21 (unsigned);
int hppa_extract_14 (unsigned);
-int hppa_low_sign_extend (unsigned int, unsigned int);
-int hppa_sign_extend (unsigned int, unsigned int);
CORE_ADDR hppa_symbol_address(const char *sym);
extern struct value *