nm-fbsd.h revision 104990
1/* Native-dependent definitions for FreeBSD/i386.
2   Copyright 1986, 1987, 1989, 1992, 1994, 1996, 1997, 2000, 2001
3   Free Software Foundation, Inc.
4
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.  */
21
22#ifndef NM_FBSD_H
23#define NM_FBSD_H
24
25#ifdef HAVE_PT_GETDBREGS
26#define I386_USE_GENERIC_WATCHPOINTS
27#endif
28
29#include "i386/nm-i386.h"
30
31#ifdef HAVE_SYS_PARAM_H
32#include <sys/param.h>
33#endif
34
35/* Provide access to the i386 hardware debugging registers.  */
36
37#define I386_DR_LOW_SET_CONTROL(control) \
38  i386bsd_dr_set_control (control)
39extern void i386bsd_dr_set_control (unsigned long control);
40
41#define I386_DR_LOW_SET_ADDR(regnum, addr) \
42  i386bsd_dr_set_addr (regnum, addr)
43extern void i386bsd_dr_set_addr (int regnum, CORE_ADDR addr);
44
45#define I386_DR_LOW_RESET_ADDR(regnum) \
46  i386bsd_dr_reset_addr (regnum)
47extern void i386bsd_dr_reset_addr (int regnum);
48
49#define I386_DR_LOW_GET_STATUS() \
50  i386bsd_dr_get_status ()
51extern unsigned long i386bsd_dr_get_status (void);
52
53
54/* Type of the third argument to the `ptrace' system call.  */
55#define PTRACE_ARG3_TYPE caddr_t
56
57/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'.  */
58#define FETCH_INFERIOR_REGISTERS
59
60/* Override child_resume in `infptrace.c' to work around a kernel bug.  */
61#define CHILD_RESUME
62
63/* We can attach and detach.  */
64#define ATTACH_DETACH
65
66
67/* Support for the user struct.  */
68
69/* Return the size of the user struct.  */
70
71#define KERNEL_U_SIZE kernel_u_size ()
72extern int kernel_u_size (void);
73
74/* This is the amount to subtract from u.u_ar0
75   to get the offset in the core file of the register values.  */
76
77#include <machine/vmparam.h>
78#define KERNEL_U_ADDR USRSTACK
79
80#define REGISTER_U_ADDR(addr, blockend, regno) \
81  (addr) = register_u_addr ((blockend), (regno))
82extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regno);
83
84
85/* Shared library support.  */
86
87/* The FreeBSD <link.h> uses the same condition to distinguish ELF
88   from a.out.  ELF implies SVR4 shared libraries.  */
89#if (defined (FREEBSD_ELF) || defined (__ELF__)) && !defined (FREEBSD_AOUT)
90#define SVR4_SHARED_LIBS
91#endif
92
93#include "solib.h"		/* Support for shared libraries. */
94#ifdef SVR4_SHARED_LIBS
95#include "elf/common.h"		/* Additional ELF shared library info. */
96#endif
97
98#ifndef SVR4_SHARED_LIBS
99
100/* Make structure definitions match up with those expected in `solib.c'.  */
101
102#define link_object	sod
103#define lo_name		sod_name
104#define lo_library	sod_library
105#define lo_unused	sod_reserved
106#define lo_major	sod_major
107#define lo_minor	sod_minor
108#define lo_next		sod_next
109
110#define link_map	so_map
111#define lm_addr		som_addr
112#define lm_name		som_path
113#define lm_next		som_next
114#define lm_lop		som_sod
115#define lm_lob		som_sodbase
116#define lm_rwt		som_write
117#define lm_ld		som_dynamic
118#define lm_lpd		som_spd
119
120#define link_dynamic_2	section_dispatch_table
121#define ld_loaded	sdt_loaded
122#define ld_need		sdt_sods
123#define ld_rules	sdt_filler1
124#define ld_got		sdt_got
125#define ld_plt		sdt_plt
126#define ld_rel		sdt_rel
127#define ld_hash		sdt_hash
128#define ld_stab		sdt_nzlist
129#define ld_stab_hash	sdt_filler2
130#define ld_buckets	sdt_buckets
131#define ld_symbols	sdt_strings
132#define ld_symb_size	sdt_str_sz
133#define ld_text		sdt_text_sz
134#define ld_plt_sz	sdt_plt_sz
135
136#define rtc_symb	rt_symbol
137#define rtc_sp		rt_sp
138#define rtc_next	rt_next
139
140#define ld_debug	so_debug
141#define ldd_version	dd_version
142#define ldd_in_debugger	dd_in_debugger
143#define ldd_sym_loaded	dd_sym_loaded
144#define ldd_bp_addr	dd_bpt_addr
145#define ldd_bp_inst	dd_bpt_shadow
146#define ldd_cp		dd_cc
147
148#define link_dynamic	_dynamic
149#define ld_version	d_version
150#define ldd		d_debug
151#define ld_un		d_un
152#define ld_2		d_sdt
153
154#endif /* !SVR4_SHARED_LIBS */
155
156#endif /* NM_FBSD_H */
157