old-cross-binutils/gdb/gdbarch.h
Andrew Cagney f7e85b1bc1 CARP:
Consolidate the semi-dynamic target system dependant GDB parameters
moving them all into a new file.
1998-12-14 02:37:16 +00:00

109 lines
3.5 KiB
C

/* Architecture commands for GDB, the GNU debugger.
Copyright 1998, 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_H
#define GDBARCH_H
/* The target-system-dependant byte order is dynmaic */
/* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
is selectable at runtime. The user can use the `set endian'
command to change it. TARGET_BYTE_ORDER_AUTO is nonzero when
target_byte_order should be auto-detected (from the program image
say). */
#ifndef TARGET_BYTE_ORDER_SELECTABLE_P
/* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE
when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */
#ifdef TARGET_BYTE_ORDER_SELECTABLE
#define TARGET_BYTE_ORDER_SELECTABLE_P 1
#else
#define TARGET_BYTE_ORDER_SELECTABLE_P 0
#endif
#endif
extern int target_byte_order;
#ifdef TARGET_BYTE_ORDER_SELECTABLE
/* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE
and expect defs.h to re-define TARGET_BYTE_ORDER. */
#undef TARGET_BYTE_ORDER
#endif
#ifndef TARGET_BYTE_ORDER
#define TARGET_BYTE_ORDER (target_byte_order + 0)
#endif
extern int target_byte_order_auto;
#ifndef TARGET_BYTE_ORDER_AUTO
#define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
#endif
/* The target-system-dependant BFD architecture is dynamic */
extern int target_architecture_auto;
#define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
extern const bfd_arch_info_type *target_architecture;
#define TARGET_ARCHITECTURE (target_architecture + 0)
/* Notify the target dependant 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) PARAMS ((const bfd_arch_info_type *));
/* The target-system-dependant disassembler is semi-dynamic */
#include "dis-asm.h" /* Get defs for disassemble_info */
extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
int len, disassemble_info *info));
extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
disassemble_info *info));
extern void dis_asm_print_address PARAMS ((bfd_vma addr,
disassemble_info *info));
extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*));
extern disassemble_info tm_print_insn_info;
#ifndef TARGET_PRINT_INSN
#define TARGET_PRINT_INSN(vma, info) (*tm_print_insn) (vma, info)
#endif
#ifndef TARGET_PRINT_INSN_INFO
#define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
#endif
/* Set the dynamic target-system-dependant parameters (architecture,
byte-order, ...) using information found in the BFD */
extern void set_gdbarch_from_file PARAMS ((bfd *));
/* Explicitly set the dynamic target-system-dependant parameters based
on bfd_architecture and machine. */
extern void set_architecture_from_arch_mach PARAMS ((enum bfd_architecture, unsigned long));
#endif