targets that don't yet implement their own breakpoint_from_pc(). */
extern gdbarch_breakpoint_from_pc_ftype legacy_breakpoint_from_pc;
+/* Implementation of extract return value that grubs around in the
+ register cache. */
+extern gdbarch_extract_return_value_ftype legacy_extract_return_value;
+
+/* Implementation of store return value that grubs the register cache. */
+extern gdbarch_store_return_value_ftype legacy_store_return_value;
+
/* Frameless functions not identifable. */
extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not;
extern gdbarch_return_value_on_stack_ftype generic_return_value_on_stack_not;
/* Map onto old REGISTER_NAMES. */
-extern char *legacy_register_name (int i);
+extern const char *legacy_register_name (int i);
/* Accessor for old global function pointer for disassembly. */
extern int legacy_print_insn (bfd_vma vma, disassemble_info *info);
extern int (*target_architecture_hook) (const struct bfd_arch_info *);
-
-/* Default raw->sim register re-numbering - does nothing. */
-
-extern int default_register_sim_regno (int reg_nr);
-
/* Identity function on a CORE_ADDR. Just returns its parameter. */
extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name);
-extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
+extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
-extern void default_print_float_info (void);
+extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
/* Assume that the world is sane, a registers raw and virtual size
both match its type. */
extern int generic_register_size (int regnum);
+/* Assume that the world is sane, the registers are all adjacent. */
+extern int generic_register_byte (int regnum);
+
/* Prop up old targets that use various IN_SIGTRAMP() macros. */
extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name);
extern void legacy_register_to_value (int regnum, struct type *type, char *from, char *to);
extern void legacy_value_to_register (struct type *type, int regnum, char *from, char *to);
+/* For compatibility with older architectures, returns
+ (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid
+ name. */
+
+extern int legacy_register_sim_regno (int regnum);
+
/* Initialize a ``struct info''. Can't use memset(0) since some
default values are not zero. */
extern void gdbarch_info_init (struct gdbarch_info *info);