1 /* $FreeBSD: src/gnu/usr.bin/binutils/gdb/i386/nm.h,v 1.9.4.1 2000/08/22 12:28:19 joerg Exp $ */
2 /* Native-dependent definitions for Intel 386 running BSD Unix, for GDB.
3 Copyright 1986, 1987, 1989, 1992, 1996 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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, Boston, MA 02111-1307, USA. */
26 /* Be shared lib aware */
29 #define SVR4_SHARED_LIBS
32 /* This is the amount to subtract from u.u_ar0
33 to get the offset in the core file of the register values. */
35 #include <machine/vmparam.h>
36 #define KERNEL_U_ADDR USRSTACK
38 #define REGISTER_U_ADDR(addr, blockend, regno) \
39 (addr) = i386_register_u_addr ((blockend),(regno));
41 /* We define our own fetch/store methods */
42 #define FETCH_INFERIOR_REGISTERS
45 i386_register_u_addr PARAMS ((int, int));
47 #define PTRACE_ARG3_TYPE char*
51 /* make structure definitions match up with those expected in solib.c */
52 #define link_object sod
53 #define lo_name sod_name
54 #define lo_library sod_library
55 #define lo_unused sod_reserved
56 #define lo_major sod_major
57 #define lo_minor sod_minor
58 #define lo_next sod_next
60 #define link_map so_map
61 #define lm_addr som_addr
62 #define lm_name som_path
63 #define lm_next som_next
64 #define lm_lop som_sod
65 #define lm_lob som_sodbase
66 #define lm_rwt som_write
67 #define lm_ld som_dynamic
68 #define lm_lpd som_spd
70 #define link_dynamic_2 section_dispatch_table
71 #define ld_loaded sdt_loaded
72 #define ld_need sdt_sods
73 #define ld_rules sdt_filler1
74 #define ld_got sdt_got
75 #define ld_plt sdt_plt
76 #define ld_rel sdt_rel
77 #define ld_hash sdt_hash
78 #define ld_stab sdt_nzlist
79 #define ld_stab_hash sdt_filler2
80 #define ld_buckets sdt_buckets
81 #define ld_symbols sdt_strings
82 #define ld_symb_size sdt_str_sz
83 #define ld_text sdt_text_sz
84 #define ld_plt_sz sdt_plt_sz
86 #define rtc_symb rt_symbol
88 #define rtc_next rt_next
90 #define ld_debug so_debug
91 #define ldd_version dd_version
92 #define ldd_in_debugger dd_in_debugger
93 #define ldd_sym_loaded dd_sym_loaded
94 #define ldd_bp_addr dd_bpt_addr
95 #define ldd_bp_inst dd_bpt_shadow
98 #define link_dynamic _dynamic
99 #define ld_version d_version
106 /* Return sizeof user struct to callers in less machine dependent routines */
108 #define KERNEL_U_SIZE kernel_u_size()
109 extern int kernel_u_size PARAMS ((void));
111 #define ADDITIONAL_OPTIONS \
112 {"kernel", no_argument, &kernel_debugging, 1}, \
113 {"k", no_argument, &kernel_debugging, 1}, \
114 {"wcore", no_argument, &kernel_writablecore, 1}, \
115 {"w", no_argument, &kernel_writablecore, 1},
117 #define ADDITIONAL_OPTION_HELP \
119 --kernel Enable kernel debugging.\n\
120 --wcore Make core file writable (only works for /dev/mem).\n\
121 This option only works while debugging a kernel !!\n\
124 extern int kernel_debugging;
125 extern int kernel_writablecore;
127 #define DEFAULT_PROMPT kernel_debugging?"(kgdb) ":"(gdb) "
129 /* misuse START_PROGRESS to test whether we're running as kgdb */
130 /* START_PROGRESS is called at the top of main */
131 #undef START_PROGRESS
132 #define START_PROGRESS(STR,N) \
133 if (!strcmp(STR, "kgdb")) \
134 kernel_debugging = 1;
136 #include <sys/types.h>
137 #include <sys/ptrace.h>
140 #define TARGET_HAS_HARDWARE_WATCHPOINTS
142 extern int can_watch PARAMS((int type, int cnt, int othertype));
143 extern int stopped_by_watchpoint PARAMS((void));
144 extern int insert_watchpoint PARAMS((int addr, int len, int type));
145 extern int remove_watchpoint PARAMS((int addr, int len, int type));
147 #define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) \
148 can_watch(type, cnt, ot)
150 /* After a watchpoint trap, the PC points to the instruction after
151 the one that caused the trap. Therefore we don't need to step over it.
152 But we do need to reset the status register to avoid another trap. */
153 #define HAVE_CONTINUABLE_WATCHPOINT
155 #define STOPPED_BY_WATCHPOINT(W) \
156 stopped_by_watchpoint()
158 /* Use these macros for watchpoint insertion/removal. */
160 #define target_insert_watchpoint(addr, len, type) \
161 insert_watchpoint(addr, len, type)
163 #define target_remove_watchpoint(addr, len, type) \
164 remove_watchpoint(addr, len, type)
166 #endif /* PT_GETDBREGS */
168 #endif /* NM_FREEBSD_H */