/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright 1998-2000, Free Software Foundation, Inc.
+
+ Copyright 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of GDB.
/* Fallback for register convertible. */
extern gdbarch_register_convertible_ftype generic_register_convertible_not;
+extern CORE_ADDR generic_cannot_extract_struct_value_address (char *dummy);
+
/* Helper function for targets that don't know how my arguments are
being passed */
extern gdbarch_frame_num_args_ftype frame_num_args_unknown;
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);
/* Backward compatible call_dummy_words. */
extern LONGEST legacy_call_dummy_words[];
/* Typical remote_translate_xfer_address */
extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address;
+/* Generic implementation of prologue_frameless_p. Just calls
+ SKIP_PROLOG and checks the return value to see if it actually
+ changed. */
+extern gdbarch_prologue_frameless_p_ftype generic_prologue_frameless_p;
+
+/* The only possible cases for inner_than. */
+extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
+extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
+
+/* Floating point values. */
+extern const struct floatformat *default_float_format (struct gdbarch *gdbarch);
+extern const struct floatformat *default_double_format (struct gdbarch *gdbarch);
+
+/* Helper function for targets that don't know how my arguments are
+ being passed */
+extern int frame_num_args_unknown (struct frame_info *fi);
+
+
+/* The following DEPRECATED interfaces are for pre- multi-arch legacy
+ targets. */
+
+/* DEPRECATED pre- multi-arch interface. Explicitly set the dynamic
+ target-system-dependent parameters based on bfd_architecture and
+ machine. This function is deprecated, use
+ set_gdbarch_from_arch_machine(). */
+
+extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long);
+
+/* DEPRECATED pre- multi-arch interface. Notify the target dependent
+ backend of a change to the selected architecture. A zero return
+ status indicates that the target did not like the change. */
+
+extern int (*target_architecture_hook) (const struct bfd_arch_info *);
+
+/* Identity function on a CORE_ADDR. Just returns its parameter. */
+
+extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
+
+/* No-op conversion of reg to regnum. */
+
+extern int no_op_reg_to_regnum (int reg);
+
+/* Default frame_args_address and frame_locals_address. */
+
+extern CORE_ADDR default_frame_address (struct frame_info *);
+
+/* Default prepare_to_procced. */
+
+extern int default_prepare_to_proceed (int select_it);
+
+extern int generic_prepare_to_proceed (int select_it);
+
+/* Versions of init_frame_pc(). Do nothing; do the default. */
+
+void init_frame_pc_noop (int fromleaf, struct frame_info *prev);
+
+void init_frame_pc_default (int fromleaf, struct frame_info *prev);
+
+/* Do nothing version of elf_make_msymbol_special. */
+
+void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym);
+
+/* Do nothing version of coff_make_msymbol_special. */
+
+void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym);
+
+/* Version of cannot_fetch_register() / cannot_store_register() that
+ always fails. */
+
+int cannot_register_not (int regnum);
+
+/* Legacy version of target_virtual_frame_pointer(). Assumes that
+ there is an FP_REGNUM and that it is the same, cooked or raw. */
+
+extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
+
+extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc);
+
+extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name);
+
+extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
+
+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);
+
+/* The orginal register_convert*() functions were overloaded. They
+ were used to both: convert between virtual and raw register formats
+ (something that is discouraged); and to convert a register to the
+ type of a corresponding variable. These legacy functions preserve
+ that overloaded behavour in existing targets. */
+extern int legacy_convert_register_p (int regnum);
+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);
+
#endif
projects / deliverable / binutils-gdb.git / blobdiff