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[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [gdb/] [arch-utils.h] - Rev 25

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/* Dynamic architecture support for GDB, the GNU debugger.
 
   Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008
   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 3 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, see <http://www.gnu.org/licenses/>.  */
 
#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;
 
/* 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);
 
/* 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 (struct gdbarch *gdbarch, 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 (struct gdbarch *gdbarch, int regnum);
 
/* Legacy version of target_virtual_frame_pointer().  Assumes that
   there is an gdbarch_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 (struct frame_info *frame,
					       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);
 
/* By default, registers are not convertible.  */
extern int generic_convert_register_p (struct gdbarch *gdbarch, 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);
 
int default_remote_register_number (struct gdbarch *gdbarch,
				    int regno);
 
/* 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 (struct gdbarch *gdbarch, 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);
 
/* Similar to init, but this time fill in the blanks.  Information is
   obtained from the global "set ..." options and explicitly
   initialized INFO fields.  */
extern void gdbarch_info_fill (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
 

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