gdb/config/m68k/tm-hp300bsd.h

   1 /* Parameters for target machine Hewlett-Packard 9000/300, running bsd.
   2    Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
   3
   4 This file is part of GDB.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 /* Configuration file for HP9000/300 series machine running BSD,
  21    including Utah, Mt. Xinu or Berkeley variants.  This is NOT for HP-UX.
  22    Problems to hpbsd-bugs@cs.utah.edu.  */
  23
  24 /* GCC is the only compiler used on this OS.  So get this right even if
  25    the code which detects gcc2_compiled. is still broken.  */
  26
  27 #define BELIEVE_PCC_PROMOTION 1
  28
  29 /* Define BPT_VECTOR if it is different than the default.
  30    This is the vector number used by traps to indicate a breakpoint.
  31
  32    For hp300bsd the normal breakpoint vector is 0x2 (for debugging via
  33    ptrace); for remote kernel debugging the breakpoint vector is 0xf.  */
  34
  35 #define BPT_VECTOR 0x2
  36 #define REMOTE_BPT_VECTOR 0xf
  37
  38 #define TARGET_NBPG 4096
  39
  40 /* For 4.4 this would be 2, but it is OK for us to detect an area a
  41    bit bigger than necessary.  This way the same gdb binary can target
  42    either 4.3 or 4.4.  */
  43
  44 #define TARGET_UPAGES 3
  45
  46 /* On the HP300, sigtramp is in the u area.  Gak!  User struct is not
  47    mapped to the same virtual address in user/kernel address space
  48    (hence STACK_END_ADDR as opposed to KERNEL_U_ADDR).  This tests
  49    for the whole u area, since we don't necessarily have hp300bsd
  50    include files around.  */
  51
  52 /* For 4.4, it is actually right 20 bytes *before* STACK_END_ADDR, so
  53    include that in the area we test for.  */
  54
  55 #define SIGTRAMP_START (STACK_END_ADDR - 20)
  56 #define SIGTRAMP_END (STACK_END_ADDR + TARGET_UPAGES * TARGET_NBPG)
  57
  58 /* Address of end of stack space.  */
  59
  60 #define STACK_END_ADDR 0xfff00000
  61
  62 #include "m68k/tm-m68k.h"