[deliverable/binutils-gdb.git] / gdb / gdbarch.h

/* Architecture commands for GDB, the GNU debugger.
   Copyright 1998-1999, 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 dynamic */

/* 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;
#ifndef TARGET_ARCHITECTURE_AUTO
#define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
#endif

extern const struct bfd_arch_info *target_architecture;
#ifndef TARGET_ARCHITECTURE
#define TARGET_ARCHITECTURE (target_architecture + 0)
#endif

/* 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 struct bfd_arch_info *)); 


/* 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


/* Explicit test for D10V architecture.
   USE of these macro's is *STRONGLY* discouraged. */

#define GDB_TARGET_IS_D10V (TARGET_ARCHITECTURE->arch == bfd_arch_d10v)
#ifndef D10V_MAKE_DADDR
#define D10V_MAKE_DADDR(X) (abort (), 0)
#endif
#ifndef D10V_MAKE_IADDR
#define D10V_MAKE_IADDR(X) (abort (), 0)
#endif


/* Fallback definition of FRAMELESS_FUNCTION_INVOCATION */
#ifndef FRAMELESS_FUNCTION_INVOCATION
#define FRAMELESS_FUNCTION_INVOCATION(FI) (0)
#endif


/* Fallback definition of REGISTER_CONVERTIBLE etc */
#ifndef REGISTER_CONVERTIBLE
#define REGISTER_CONVERTIBLE(x) (0)
#endif
#ifndef REGISTER_CONVERT_TO_VIRTUAL
#define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a)
#endif
#ifndef REGISTER_CONVERT_TO_RAW
#define REGISTER_CONVERT_TO_RAW(x, y, z, a)
#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));


/* gdbarch trace variable */
extern int gdbarch_debug;

#endif
Commit	Line	Data
c906108c	1	/* Architecture commands for GDB, the GNU debugger.
b83266a0	2	Copyright 1998-1999, Free Software Foundation, Inc.
c906108c SS	3
	4	This file is part of GDB.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	19
	20	#ifndef GDBARCH_H
	21	#define GDBARCH_H
	22
c906108c SS	23	/* The target-system-dependant byte order is dynamic */
	24
	25	/* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
b83266a0	26	is selectable at runtime. The user can use the ``set endian''
c906108c SS	27	command to change it. TARGET_BYTE_ORDER_AUTO is nonzero when
	28	target_byte_order should be auto-detected (from the program image
	29	say). */
	30
	31	#ifndef TARGET_BYTE_ORDER_SELECTABLE_P
	32	/* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE
	33	when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */
	34	#ifdef TARGET_BYTE_ORDER_SELECTABLE
	35	#define TARGET_BYTE_ORDER_SELECTABLE_P 1
	36	#else
	37	#define TARGET_BYTE_ORDER_SELECTABLE_P 0
	38	#endif
	39	#endif
	40
	41	extern int target_byte_order;
	42	#ifdef TARGET_BYTE_ORDER_SELECTABLE
	43	/* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE
	44	and expect defs.h to re-define TARGET_BYTE_ORDER. */
	45	#undef TARGET_BYTE_ORDER
	46	#endif
	47	#ifndef TARGET_BYTE_ORDER
	48	#define TARGET_BYTE_ORDER (target_byte_order + 0)
	49	#endif
	50
	51	extern int target_byte_order_auto;
	52	#ifndef TARGET_BYTE_ORDER_AUTO
	53	#define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
	54	#endif
	55
	56
	57
	58	/* The target-system-dependant BFD architecture is dynamic */
	59
	60	extern int target_architecture_auto;
	61	#ifndef TARGET_ARCHITECTURE_AUTO
	62	#define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
	63	#endif
	64
	65	extern const struct bfd_arch_info *target_architecture;
	66	#ifndef TARGET_ARCHITECTURE
	67	#define TARGET_ARCHITECTURE (target_architecture + 0)
	68	#endif
	69
	70	/* Notify the target dependant backend of a change to the selected
	71	architecture. A zero return status indicates that the target did
	72	not like the change. */
	73
	74	extern int (target_architecture_hook) PARAMS ((const struct bfd_arch_info ));
	75
	76
	77
	78	/* The target-system-dependant disassembler is semi-dynamic */
	79
	80	#include "dis-asm.h" /* Get defs for disassemble_info */
	81
	82	extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
	83	int len, disassemble_info *info));
	84
	85	extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
	86	disassemble_info *info));
	87
	88	extern void dis_asm_print_address PARAMS ((bfd_vma addr,
	89	disassemble_info *info));
	90
91	extern int (tm_print_insn) PARAMS ((bfd_vma, disassemble_info));
92	extern disassemble_info tm_print_insn_info;
93	#ifndef TARGET_PRINT_INSN
94	#define TARGET_PRINT_INSN(vma, info) (*tm_print_insn) (vma, info)
95	#endif
96	#ifndef TARGET_PRINT_INSN_INFO
97	#define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
98	#endif
99
100
101
7a292a7a SS	102	/* Explicit test for D10V architecture.
	103	USE of these macro's is STRONGLY discouraged. */
	104
	105	#define GDB_TARGET_IS_D10V (TARGET_ARCHITECTURE->arch == bfd_arch_d10v)
	106	#ifndef D10V_MAKE_DADDR
	107	#define D10V_MAKE_DADDR(X) (abort (), 0)
	108	#endif
	109	#ifndef D10V_MAKE_IADDR
	110	#define D10V_MAKE_IADDR(X) (abort (), 0)
	111	#endif
	112
	113
392a587b JM	114	/* Fallback definition of FRAMELESS_FUNCTION_INVOCATION */
	115	#ifndef FRAMELESS_FUNCTION_INVOCATION
	116	#define FRAMELESS_FUNCTION_INVOCATION(FI) (0)
	117	#endif
	118
7a292a7a	119
392a587b JM	120	/* Fallback definition of REGISTER_CONVERTIBLE etc */
	121	#ifndef REGISTER_CONVERTIBLE
	122	#define REGISTER_CONVERTIBLE(x) (0)
	123	#endif
	124	#ifndef REGISTER_CONVERT_TO_VIRTUAL
	125	#define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a)
	126	#endif
	127	#ifndef REGISTER_CONVERT_TO_RAW
	128	#define REGISTER_CONVERT_TO_RAW(x, y, z, a)
	129	#endif
7a292a7a SS	130
7a292a7a SS	131
c906108c SS	132	/* Set the dynamic target-system-dependant parameters (architecture,
	133	byte-order, ...) using information found in the BFD */
	134
	135	extern void set_gdbarch_from_file PARAMS ((bfd *));
	136
	137
	138	/* Explicitly set the dynamic target-system-dependant parameters based
	139	on bfd_architecture and machine. */
	140
	141	extern void set_architecture_from_arch_mach PARAMS ((enum bfd_architecture, unsigned long));
	142
	143
	144	/* gdbarch trace variable */
	145	extern int gdbarch_debug;
	146
	147	#endif