gdb/config/ns32k/tm-nbsd.h

   1 /* Macro definitions for ns32k running under NetBSD.
   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 /* Override number of expected traps from sysv. */
  21 #define START_INFERIOR_TRAPS_EXPECTED 2
  22
  23 /* Most definitions from umax could be used. */
  24
  25 #include "ns32k/tm-umax.h"
  26
  27 /* Generic NetBSD definitions.  */
  28
  29 #include "tm-nbsd.h"
  30
  31 /* Saved Pc.  Get it from sigcontext if within sigtramp.  */
  32
  33 /* Offset to saved PC in sigcontext, from <machine/signal.h>.  */
  34 #define SIGCONTEXT_PC_OFFSET 20
  35
  36 #undef FRAME_SAVED_PC(FRAME)
  37 #define FRAME_SAVED_PC(FRAME) \
  38   (((FRAME)->signal_handler_caller \
  39     ? sigtramp_saved_pc (FRAME) \
  40     : read_memory_integer ((FRAME)->frame + 4, 4)) \
  41    )
  42
  43
  44 /* tm-umax.h assumes a 32082 fpu. We have a 32382 fpu. */
  45 #undef REGISTER_NAMES
  46 #undef NUM_REGS
  47 #undef REGISTER_BYTES
  48 #undef  REGISTER_BYTE
  49 /* Initializer for an array of names of registers.
  50    There should be NUM_REGS strings in this initializer.  */
  51
  52 #define REGISTER_NAMES {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
  53                         "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
  54                         "sp", "fp", "pc", "ps",                         \
  55                         "fsr",                                          \
  56                         "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", "xx",                   \
  57                         }
  58
  59 #define NUM_REGS                29
  60
  61 /* Total amount of space needed to store our copies of the machine's
  62    register state, the array `registers'.  */
  63 #define REGISTER_BYTES \
  64   ((NUM_REGS - 4) * REGISTER_RAW_SIZE(R0_REGNUM) \
  65    + 8            * REGISTER_RAW_SIZE(LP0_REGNUM))
  66
  67 /* Index within `registers' of the first byte of the space for
  68    register N.  */
  69
  70 /* This is a bit yuck. The even numbered double precision floating
  71    point long registers occupy the same space as the even:odd numbered
  72    single precision floating point registers, but the extra 32381 fpu
  73    registers are at the end. Doing it this way is compatable for both
  74    32081 and 32381 equiped machines. */
  75
  76 #define REGISTER_BYTE(N) (((N) < LP0_REGNUM? (N)\
  77                            : ((N) - LP0_REGNUM) & 1? (N) - 1 \
  78                            : ((N) - LP0_REGNUM + FP0_REGNUM)) * 4)
  79