157 lines
5.6 KiB
C
157 lines
5.6 KiB
C
/* Dynamic architecture support for GDB, the GNU debugger.
|
|
|
|
Copyright 1998, 1999, 2000, 2002, 2003, 2004 Free Software
|
|
Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#ifndef GDBARCH_UTILS_H
|
|
#define GDBARCH_UTILS_H
|
|
|
|
struct gdbarch;
|
|
struct frame_info;
|
|
struct minimal_symbol;
|
|
struct type;
|
|
struct gdbarch_info;
|
|
|
|
/* gdbarch trace variable */
|
|
extern int gdbarch_debug;
|
|
|
|
/* An implementation of return_value that props up architectures still
|
|
using USE_STRUCT_RETURN, EXTRACT_RETURN_VALUE and
|
|
STORE_RETURN_VALUE. See also the hacks in "stack.c". */
|
|
enum return_value_convention legacy_return_value (struct gdbarch *gdbarch,
|
|
struct type *valtype,
|
|
struct regcache *regcache,
|
|
void *readbuf,
|
|
const void *writebuf);
|
|
|
|
/* 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;
|
|
|
|
/* To return any structure or union type by value, store it at the
|
|
address passed as an invisible first argument to the function. */
|
|
extern gdbarch_deprecated_use_struct_convention_ftype always_use_struct_convention;
|
|
|
|
/* Typical remote_translate_xfer_address */
|
|
extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address;
|
|
|
|
/* 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);
|
|
|
|
/* Identity functions on a CORE_ADDR. Just return the "addr". */
|
|
|
|
extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
|
|
extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity;
|
|
|
|
/* No-op conversion of reg to regnum. */
|
|
|
|
extern int no_op_reg_to_regnum (int reg);
|
|
|
|
/* 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 DEPRECATED_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 CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch,
|
|
CORE_ADDR pc);
|
|
|
|
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 sigtramp macros. */
|
|
extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name);
|
|
|
|
/* By default, registers are not convertible. */
|
|
extern int generic_convert_register_p (int regnum, struct type *type);
|
|
|
|
extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch,
|
|
struct type *type);
|
|
|
|
extern int generic_instruction_nullified (struct gdbarch *gdbarch,
|
|
struct regcache *regcache);
|
|
|
|
/* 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);
|
|
|
|
/* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte
|
|
order was explicitly selected. */
|
|
extern enum bfd_endian selected_byte_order (void);
|
|
|
|
/* Return the selected architecture's name, or NULL if no architecture
|
|
was explicitly selected. */
|
|
extern const char *selected_architecture_name (void);
|
|
|
|
/* Initialize a ``struct info''. Can't use memset(0) since some
|
|
default values are not zero. "fill" takes all available
|
|
information and fills in any unspecified fields. */
|
|
|
|
extern void gdbarch_info_init (struct gdbarch_info *info);
|
|
extern void gdbarch_info_fill (struct gdbarch *gdbarch,
|
|
struct gdbarch_info *info);
|
|
|
|
/* Similar to init, but this time fill in the blanks. Information is
|
|
obtained from the specified architecture, global "set ..." options,
|
|
and explicitly initialized INFO fields. */
|
|
extern void gdbarch_info_fill (struct gdbarch *gdbarch,
|
|
struct gdbarch_info *info);
|
|
|
|
/* Return the architecture for ABFD. If no suitable architecture
|
|
could be find, return NULL. */
|
|
|
|
extern struct gdbarch *gdbarch_from_bfd (bfd *abfd);
|
|
|
|
#endif
|