2 * $FreeBSD: src/gnu/usr.bin/binutils/gdb/i386/nm.h,v 1.9.4.1 2000/08/22 12:28:19 joerg Exp $
3 * $DragonFly: src/gnu/usr.bin/binutils214/gdb/i386/Attic/nm.h,v 1.1 2004/02/01 08:53:04 dillon Exp $
5 /* Native-dependent definitions for Intel 386 running BSD Unix, for GDB.
6 Copyright 1986, 1987, 1989, 1992, 1996 Free Software Foundation, Inc.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29 /* Be shared lib aware */
32 #define SVR4_SHARED_LIBS
35 /* This is the amount to subtract from u.u_ar0
36 to get the offset in the core file of the register values. */
38 #include <machine/vmparam.h>
39 #define KERNEL_U_ADDR USRSTACK
41 #define REGISTER_U_ADDR(addr, blockend, regno) \
42 (addr) = i386_register_u_addr ((blockend),(regno));
44 /* We define our own fetch/store methods */
45 #define FETCH_INFERIOR_REGISTERS
48 i386_register_u_addr PARAMS ((int, int));
50 #define PTRACE_ARG3_TYPE char*
54 /* make structure definitions match up with those expected in solib.c */
55 #define link_object sod
56 #define lo_name sod_name
57 #define lo_library sod_library
58 #define lo_unused sod_reserved
59 #define lo_major sod_major
60 #define lo_minor sod_minor
61 #define lo_next sod_next
63 #define link_map so_map
64 #define lm_addr som_addr
65 #define lm_name som_path
66 #define lm_next som_next
67 #define lm_lop som_sod
68 #define lm_lob som_sodbase
69 #define lm_rwt som_write
70 #define lm_ld som_dynamic
71 #define lm_lpd som_spd
73 #define link_dynamic_2 section_dispatch_table
74 #define ld_loaded sdt_loaded
75 #define ld_need sdt_sods
76 #define ld_rules sdt_filler1
77 #define ld_got sdt_got
78 #define ld_plt sdt_plt
79 #define ld_rel sdt_rel
80 #define ld_hash sdt_hash
81 #define ld_stab sdt_nzlist
82 #define ld_stab_hash sdt_filler2
83 #define ld_buckets sdt_buckets
84 #define ld_symbols sdt_strings
85 #define ld_symb_size sdt_str_sz
86 #define ld_text sdt_text_sz
87 #define ld_plt_sz sdt_plt_sz
89 #define rtc_symb rt_symbol
91 #define rtc_next rt_next
93 #define ld_debug so_debug
94 #define ldd_version dd_version
95 #define ldd_in_debugger dd_in_debugger
96 #define ldd_sym_loaded dd_sym_loaded
97 #define ldd_bp_addr dd_bpt_addr
98 #define ldd_bp_inst dd_bpt_shadow
101 #define link_dynamic _dynamic
102 #define ld_version d_version
109 /* Return sizeof user struct to callers in less machine dependent routines */
111 #define KERNEL_U_SIZE kernel_u_size()
112 extern int kernel_u_size PARAMS ((void));
114 #define ADDITIONAL_OPTIONS \
115 {"kernel", no_argument, &kernel_debugging, 1}, \
116 {"k", no_argument, &kernel_debugging, 1}, \
117 {"wcore", no_argument, &kernel_writablecore, 1}, \
118 {"w", no_argument, &kernel_writablecore, 1},
120 #define ADDITIONAL_OPTION_HELP \
122 --kernel Enable kernel debugging.\n\
123 --wcore Make core file writable (only works for /dev/mem).\n\
124 This option only works while debugging a kernel !!\n\
127 extern int kernel_debugging;
128 extern int kernel_writablecore;
130 #define DEFAULT_PROMPT kernel_debugging?"(kgdb) ":"(gdb) "
132 /* misuse START_PROGRESS to test whether we're running as kgdb */
133 /* START_PROGRESS is called at the top of main */
134 #undef START_PROGRESS
135 #define START_PROGRESS(STR,N) \
136 if (!strcmp(STR, "kgdb")) \
137 kernel_debugging = 1;
139 #include <sys/types.h>
140 #include <sys/ptrace.h>
143 #define TARGET_HAS_HARDWARE_WATCHPOINTS
145 extern int can_watch PARAMS((int type, int cnt, int othertype));
146 extern int stopped_by_watchpoint PARAMS((void));
147 extern int insert_watchpoint PARAMS((int addr, int len, int type));
148 extern int remove_watchpoint PARAMS((int addr, int len, int type));
150 #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) \
151 can_watch(type, cnt, ot)
153 /* After a watchpoint trap, the PC points to the instruction after
154 the one that caused the trap. Therefore we don't need to step over it.
155 But we do need to reset the status register to avoid another trap. */
156 #define HAVE_CONTINUABLE_WATCHPOINT
158 #define STOPPED_BY_WATCHPOINT(W) \
159 stopped_by_watchpoint()
161 /* Use these macros for watchpoint insertion/removal. */
163 #define target_insert_watchpoint(addr, len, type) \
164 insert_watchpoint(addr, len, type)
166 #define target_remove_watchpoint(addr, len, type) \
167 remove_watchpoint(addr, len, type)
169 #endif /* PT_GETDBREGS */
171 #endif /* NM_FREEBSD_H */