[deliverable/binutils-gdb.git] / gdb / config / i386 / nm-fbsd.h

/* Native-dependent definitions for FreeBSD/i386.
   Copyright 1986, 1987, 1989, 1992, 1994, 1996, 1997, 2000, 2001
   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 NM_FBSD_H
#define NM_FBSD_H

#ifdef HAVE_PT_GETDBREGS
#define I386_USE_GENERIC_WATCHPOINTS
#endif

#include "i386/nm-i386.h"

/* Provide access to the i386 hardware debugging registers.  */

#define I386_DR_LOW_SET_CONTROL(control) \
  i386bsd_dr_set_control (control)
extern void i386bsd_dr_set_control (unsigned long control);

#define I386_DR_LOW_SET_ADDR(regnum, addr) \
  i386bsd_dr_set_addr (regnum, addr)
extern void i386bsd_dr_set_addr (int regnum, CORE_ADDR addr);

#define I386_DR_LOW_RESET_ADDR(regnum) \
  i386bsd_dr_reset_addr (regnum)
extern void i386bsd_dr_reset_addr (int regnum);

#define I386_DR_LOW_GET_STATUS() \
  i386bsd_dr_get_status ()
extern unsigned long i386bsd_dr_get_status (void);
\f

/* Type of the third argument to the `ptrace' system call.  */
#define PTRACE_ARG3_TYPE caddr_t

/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'.  */
#define FETCH_INFERIOR_REGISTERS

/* Override child_resume in `infptrace.c' to work around a kernel bug.  */
#define CHILD_RESUME

/* Override child_pid_to_exec_file in 'inftarg.c'.  */
#define CHILD_PID_TO_EXEC_FILE

/* We can attach and detach.  */
#define ATTACH_DETACH
\f

/* Support for the user struct.  */

/* Return the size of the user struct.  */

#define KERNEL_U_SIZE kernel_u_size ()
extern int kernel_u_size (void);

/* This is the amount to subtract from u.u_ar0
   to get the offset in the core file of the register values.  */

#include <machine/vmparam.h>
#define KERNEL_U_ADDR USRSTACK

#define REGISTER_U_ADDR(addr, blockend, regno) \
  (addr) = register_u_addr ((blockend), (regno))
extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regno);
\f

/* Shared library support.  */

/* The FreeBSD <link.h> uses the same condition to distinguish ELF
   from a.out.  ELF implies SVR4 shared libraries.  */
#if (defined (FREEBSD_ELF) || defined (__ELF__)) && !defined (FREEBSD_AOUT)
#define SVR4_SHARED_LIBS
#endif

#include "solib.h"		/* Support for shared libraries. */
#ifdef SVR4_SHARED_LIBS
#include "elf/common.h"		/* Additional ELF shared library info. */
#endif

#ifndef SVR4_SHARED_LIBS

/* Make structure definitions match up with those expected in `solib.c'.  */

#define link_object	sod
#define lo_name		sod_name
#define lo_library	sod_library
#define lo_unused	sod_reserved
#define lo_major	sod_major
#define lo_minor	sod_minor
#define lo_next		sod_next

#define link_map	so_map
#define lm_addr		som_addr
#define lm_name		som_path
#define lm_next		som_next
#define lm_lop		som_sod
#define lm_lob		som_sodbase
#define lm_rwt		som_write
#define lm_ld		som_dynamic
#define lm_lpd		som_spd

#define link_dynamic_2	section_dispatch_table
#define ld_loaded	sdt_loaded
#define ld_need		sdt_sods
#define ld_rules	sdt_filler1
#define ld_got		sdt_got
#define ld_plt		sdt_plt
#define ld_rel		sdt_rel
#define ld_hash		sdt_hash
#define ld_stab		sdt_nzlist
#define ld_stab_hash	sdt_filler2
#define ld_buckets	sdt_buckets
#define ld_symbols	sdt_strings
#define ld_symb_size	sdt_str_sz
#define ld_text		sdt_text_sz
#define ld_plt_sz	sdt_plt_sz

#define rtc_symb	rt_symbol
#define rtc_sp		rt_sp
#define rtc_next	rt_next

#define ld_debug	so_debug
#define ldd_version	dd_version
#define ldd_in_debugger	dd_in_debugger
#define ldd_sym_loaded	dd_sym_loaded
#define ldd_bp_addr	dd_bpt_addr
#define ldd_bp_inst	dd_bpt_shadow
#define ldd_cp		dd_cc

#define link_dynamic	_dynamic
#define ld_version	d_version
#define ldd		d_debug
#define ld_un		d_un
#define ld_2		d_sdt

#endif /* !SVR4_SHARED_LIBS */

#endif /* NM_FBSD_H */
Commit	Line	Data
e6031aeb	1	/* Native-dependent definitions for FreeBSD/i386.
0afdd437	2	Copyright 1986, 1987, 1989, 1992, 1994, 1996, 1997, 2000, 2001
b6ba6518	3	Free Software Foundation, Inc.
c906108c	4
c5aa993b JM	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 59 Temple Place - Suite 330,
	20	Boston, MA 02111-1307, USA. */
c906108c	21
e6031aeb MK	22	#ifndef NM_FBSD_H
e6031aeb MK	23	#define NM_FBSD_H
c906108c	24
0afdd437 MK	25	#ifdef HAVE_PT_GETDBREGS
	26	#define I386_USE_GENERIC_WATCHPOINTS
	27	#endif
	28
	29	#include "i386/nm-i386.h"
	30
	31	/* Provide access to the i386 hardware debugging registers. */
	32
	33	#define I386_DR_LOW_SET_CONTROL(control) \
	34	i386bsd_dr_set_control (control)
	35	extern void i386bsd_dr_set_control (unsigned long control);
	36
	37	#define I386_DR_LOW_SET_ADDR(regnum, addr) \
	38	i386bsd_dr_set_addr (regnum, addr)
	39	extern void i386bsd_dr_set_addr (int regnum, CORE_ADDR addr);
	40
	41	#define I386_DR_LOW_RESET_ADDR(regnum) \
	42	i386bsd_dr_reset_addr (regnum)
	43	extern void i386bsd_dr_reset_addr (int regnum);
	44
	45	#define I386_DR_LOW_GET_STATUS() \
	46	i386bsd_dr_get_status ()
	47	extern unsigned long i386bsd_dr_get_status (void);
	48	\f
	49
e6031aeb MK	50	/* Type of the third argument to the `ptrace' system call. */
	51	#define PTRACE_ARG3_TYPE caddr_t
	52
	53	/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
	54	#define FETCH_INFERIOR_REGISTERS
	55
25630444 MK	56	/* Override child_resume in `infptrace.c' to work around a kernel bug. */
	57	#define CHILD_RESUME
	58
a90cd31d MK	59	/* Override child_pid_to_exec_file in 'inftarg.c'. */
	60	#define CHILD_PID_TO_EXEC_FILE
	61
e6031aeb MK	62	/* We can attach and detach. */
	63	#define ATTACH_DETACH
	64	\f
	65
	66	/* Support for the user struct. */
	67
	68	/* Return the size of the user struct. */
	69
	70	#define KERNEL_U_SIZE kernel_u_size ()
	71	extern int kernel_u_size (void);
c906108c SS	72
	73	/* This is the amount to subtract from u.u_ar0
	74	to get the offset in the core file of the register values. */
	75
	76	#include <machine/vmparam.h>
	77	#define KERNEL_U_ADDR USRSTACK
	78
	79	#define REGISTER_U_ADDR(addr, blockend, regno) \
e6031aeb MK	80	(addr) = register_u_addr ((blockend), (regno))
	81	extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regno);
	82	\f
c906108c	83
e6031aeb	84	/* Shared library support. */
c906108c	85
e6031aeb MK	86	/* The FreeBSD <link.h> uses the same condition to distinguish ELF
	87	from a.out. ELF implies SVR4 shared libraries. */
	88	#if (defined (FREEBSD_ELF) \|\| defined (__ELF__)) && !defined (FREEBSD_AOUT)
	89	#define SVR4_SHARED_LIBS
	90	#endif
	91
	92	#include "solib.h" /* Support for shared libraries. */
	93	#ifdef SVR4_SHARED_LIBS
	94	#include "elf/common.h" /* Additional ELF shared library info. */
	95	#endif
	96
	97	#ifndef SVR4_SHARED_LIBS
	98
	99	/* Make structure definitions match up with those expected in `solib.c'. */
c906108c	100
c906108c SS	101	#define link_object sod
	102	#define lo_name sod_name
	103	#define lo_library sod_library
	104	#define lo_unused sod_reserved
	105	#define lo_major sod_major
	106	#define lo_minor sod_minor
	107	#define lo_next sod_next
	108
	109	#define link_map so_map
	110	#define lm_addr som_addr
	111	#define lm_name som_path
	112	#define lm_next som_next
	113	#define lm_lop som_sod
	114	#define lm_lob som_sodbase
	115	#define lm_rwt som_write
	116	#define lm_ld som_dynamic
	117	#define lm_lpd som_spd
	118
	119	#define link_dynamic_2 section_dispatch_table
	120	#define ld_loaded sdt_loaded
	121	#define ld_need sdt_sods
	122	#define ld_rules sdt_filler1
	123	#define ld_got sdt_got
	124	#define ld_plt sdt_plt
	125	#define ld_rel sdt_rel
	126	#define ld_hash sdt_hash
	127	#define ld_stab sdt_nzlist
	128	#define ld_stab_hash sdt_filler2
	129	#define ld_buckets sdt_buckets
	130	#define ld_symbols sdt_strings
	131	#define ld_symb_size sdt_str_sz
	132	#define ld_text sdt_text_sz
	133	#define ld_plt_sz sdt_plt_sz
	134
	135	#define rtc_symb rt_symbol
	136	#define rtc_sp rt_sp
	137	#define rtc_next rt_next
	138
	139	#define ld_debug so_debug
	140	#define ldd_version dd_version
	141	#define ldd_in_debugger dd_in_debugger
	142	#define ldd_sym_loaded dd_sym_loaded
	143	#define ldd_bp_addr dd_bpt_addr
	144	#define ldd_bp_inst dd_bpt_shadow
	145	#define ldd_cp dd_cc
	146
	147	#define link_dynamic _dynamic
	148	#define ld_version d_version
	149	#define ldd d_debug
	150	#define ld_un d_un
	151	#define ld_2 d_sdt
	152
e6031aeb	153	#endif /* !SVR4_SHARED_LIBS */
c906108c	154
e6031aeb	155	#endif /* NM_FBSD_H */