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/* Native-dependent definitions for Intel 386 running BSD Unix, for GDB.
Copyright 1986, 1987, 1989, 1992, 1996 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. */
/* $FreeBSD$ */
#ifndef NM_FREEBSD_H
#define NM_FREEBSD_H
#define ATTACH_DETACH
/* Be shared lib aware */
#include "solib.h"
#ifdef FREEBSD_ELF
#define SVR4_SHARED_LIBS
#endif
/* 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) = i386_register_u_addr ((blockend),(regno));
/* We define our own fetch/store methods */
#define FETCH_INFERIOR_REGISTERS
extern int
i386_register_u_addr PARAMS ((int, int));
#define PTRACE_ARG3_TYPE char*
#ifndef FREEBSD_ELF
/* 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
/* Return sizeof user struct to callers in less machine dependent routines */
#define KERNEL_U_SIZE kernel_u_size()
extern int kernel_u_size PARAMS ((void));
#define ADDITIONAL_OPTIONS \
{"kernel", no_argument, &kernel_debugging, 1}, \
{"k", no_argument, &kernel_debugging, 1}, \
{"wcore", no_argument, &kernel_writablecore, 1}, \
{"w", no_argument, &kernel_writablecore, 1},
#define ADDITIONAL_OPTION_HELP \
"\
--kernel Enable kernel debugging.\n\
--wcore Make core file writable (only works for /dev/mem).\n\
This option only works while debugging a kernel !!\n\
"
extern int kernel_debugging;
extern int kernel_writablecore;
#define DEFAULT_PROMPT kernel_debugging?"(kgdb) ":"(gdb) "
/* misuse START_PROGRESS to test whether we're running as kgdb */
/* START_PROGRESS is called at the top of main */
#undef START_PROGRESS
#define START_PROGRESS(STR,N) \
if (!strcmp(STR, "kgdb")) \
kernel_debugging = 1;
#include <sys/types.h>
#include <sys/ptrace.h>
#ifdef PT_GETDBREGS
#define TARGET_HAS_HARDWARE_WATCHPOINTS
extern int can_watch PARAMS((int type, int cnt, int othertype));
extern int stopped_by_watchpoint PARAMS((void));
extern int insert_watchpoint PARAMS((int addr, int len, int type));
extern int remove_watchpoint PARAMS((int addr, int len, int type));
#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) \
can_watch(type, cnt, ot)
/* After a watchpoint trap, the PC points to the instruction after
the one that caused the trap. Therefore we don't need to step over it.
But we do need to reset the status register to avoid another trap. */
#define HAVE_CONTINUABLE_WATCHPOINT
#define STOPPED_BY_WATCHPOINT(W) \
stopped_by_watchpoint()
/* Use these macros for watchpoint insertion/removal. */
#define target_insert_watchpoint(addr, len, type) \
insert_watchpoint(addr, len, type)
#define target_remove_watchpoint(addr, len, type) \
remove_watchpoint(addr, len, type)
#endif /* PT_GETDBREGS */
#endif /* NM_FREEBSD_H */
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