gdb/config/i386/nm-fbsd.h

   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 /* 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
  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
  56 /* We can attach and detach.  */
  57 #define ATTACH_DETACH
  58 \f
  59
  60 /* Support for the user struct.  */
  61
  62 /* Return the size of the user struct.  */
  63
  64 #define KERNEL_U_SIZE kernel_u_size ()
  65 extern int kernel_u_size (void);
  66
  67 /* This is the amount to subtract from u.u_ar0
  68    to get the offset in the core file of the register values.  */
  69
  70 #include <machine/vmparam.h>
  71 #define KERNEL_U_ADDR USRSTACK
  72
  73 #define REGISTER_U_ADDR(addr, blockend, regno) \
  74   (addr) = register_u_addr ((blockend), (regno))
  75 extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regno);
  76 \f
  77
  78 /* Shared library support.  */
  79
  80 /* The FreeBSD <link.h> uses the same condition to distinguish ELF
  81    from a.out.  ELF implies SVR4 shared libraries.  */
  82 #if (defined (FREEBSD_ELF) || defined (__ELF__)) && !defined (FREEBSD_AOUT)
  83 #define SVR4_SHARED_LIBS
  84 #endif
  85
  86 #include "solib.h"              /* Support for shared libraries. */
  87 #ifdef SVR4_SHARED_LIBS
  88 #include "elf/common.h"         /* Additional ELF shared library info. */
  89 #endif
  90
  91 #ifndef SVR4_SHARED_LIBS
  92
  93 /* Make structure definitions match up with those expected in `solib.c'.  */
  94
  95 #define link_object     sod
  96 #define lo_name         sod_name
  97 #define lo_library      sod_library
  98 #define lo_unused       sod_reserved
  99 #define lo_major        sod_major
 100 #define lo_minor        sod_minor
 101 #define lo_next         sod_next
 102
 103 #define link_map        so_map
 104 #define lm_addr         som_addr
 105 #define lm_name         som_path
 106 #define lm_next         som_next
 107 #define lm_lop          som_sod
 108 #define lm_lob          som_sodbase
 109 #define lm_rwt          som_write
 110 #define lm_ld           som_dynamic
 111 #define lm_lpd          som_spd
 112
 113 #define link_dynamic_2  section_dispatch_table
 114 #define ld_loaded       sdt_loaded
 115 #define ld_need         sdt_sods
 116 #define ld_rules        sdt_filler1
 117 #define ld_got          sdt_got
 118 #define ld_plt          sdt_plt
 119 #define ld_rel          sdt_rel
 120 #define ld_hash         sdt_hash
 121 #define ld_stab         sdt_nzlist
 122 #define ld_stab_hash    sdt_filler2
 123 #define ld_buckets      sdt_buckets
 124 #define ld_symbols      sdt_strings
 125 #define ld_symb_size    sdt_str_sz
 126 #define ld_text         sdt_text_sz
 127 #define ld_plt_sz       sdt_plt_sz
 128
 129 #define rtc_symb        rt_symbol
 130 #define rtc_sp          rt_sp
 131 #define rtc_next        rt_next
 132
 133 #define ld_debug        so_debug
 134 #define ldd_version     dd_version
 135 #define ldd_in_debugger dd_in_debugger
 136 #define ldd_sym_loaded  dd_sym_loaded
 137 #define ldd_bp_addr     dd_bpt_addr
 138 #define ldd_bp_inst     dd_bpt_shadow
 139 #define ldd_cp          dd_cc
 140
 141 #define link_dynamic    _dynamic
 142 #define ld_version      d_version
 143 #define ldd             d_debug
 144 #define ld_un           d_un
 145 #define ld_2            d_sdt
 146
 147 #endif /* !SVR4_SHARED_LIBS */
 148
 149 #endif /* NM_FBSD_H */