gdb/config/i960/tm-mon960.h

   1 /* Parameters for Intel 960 running MON960 monitor, for GDB, the GNU debugger.
   2    Copyright (C) 1990-1991 Free Software Foundation, Inc.
   3    Contributed by Intel Corporation and Cygnus Support.
   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 /*****************************************************************************
  23  * Definitions to target GDB to an i960 debugged over a serial line.
  24  ******************************************************************************/
  25
  26 #include "i960/tm-i960.h"
  27
  28 /* forward declarations */
  29 #ifdef __STDC__
  30 struct frame_info;
  31 #endif
  32
  33 /* redefined from tm-i960.h */
  34 /* Number of machine registers */
  35 #undef NUM_REGS
  36 #define NUM_REGS 40
  37
  38 /* Initializer for an array of names of registers.
  39    There should be NUM_REGS strings in this initializer.  */
  40 #undef REGISTER_NAMES
  41 #define REGISTER_NAMES { \
  42         /*  0 */ "pfp", "sp",  "rip", "r3",  "r4",  "r5",  "r6",  "r7", \
  43         /*  8 */ "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",\
  44         /* 16 */ "g0",  "g1",  "g2",  "g3",  "g4",  "g5",  "g6",  "g7", \
  45         /* 24 */ "g8",  "g9",  "g10", "g11", "g12", "g13", "g14", "fp", \
  46         /* 32 */ "pc",  "ac",  "tc",  "ip",  "fp0", "fp1", "fp2", "fp3",\
  47 }
  48
  49 /* Override the standard gdb prompt when compiled for this target.  */
  50
  51 #define DEFAULT_PROMPT  "(gdb960) "
  52
  53 /* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
  54    and has no caller.
  55
  56    On the i960, each various target system type defines FRAME_CHAIN_VALID,
  57    since it differs between Nindy, Mon960 and VxWorks, the currently supported
  58    target types.  */
  59
  60 extern int mon960_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
  61 #define FRAME_CHAIN_VALID(chain, thisframe) mon960_frame_chain_valid (chain, thisframe)
  62
  63 /* Sequence of bytes for breakpoint instruction */
  64
  65 #define BREAKPOINT {0x00, 0x3e, 0x00, 0x66}
  66
  67 /* Amount ip must be decremented by after a breakpoint.
  68  * This is often the number of bytes in BREAKPOINT but not always.
  69  */
  70
  71 #define DECR_PC_AFTER_BREAK 4