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