gdb/config/mips/tm-irix6.h

   1 /* Target machine description for SGI Iris under Irix 6.x, for GDB.
   2
   3    Copyright 2001, 2002, 2003 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 #include "mips/tm-mips.h"
  23 #include "solib.h"
  24
  25 /* Redefine register numbers for SGI. */
  26
  27 #undef MIPS_REGISTER_NAMES
  28
  29 /* Initializer for an array of names for registers 32 and above.
  30    There should be NUM_REGS-32 strings in this initializer.  */
  31
  32 #define MIPS_REGISTER_NAMES     \
  33     {   "f0",   "f1",   "f2",   "f3",   "f4",   "f5",   "f6",   "f7", \
  34         "f8",   "f9",   "f10",  "f11",  "f12",  "f13",  "f14",  "f15", \
  35         "f16",  "f17",  "f18",  "f19",  "f20",  "f21",  "f22",  "f23",\
  36         "f24",  "f25",  "f26",  "f27",  "f28",  "f29",  "f30",  "f31",\
  37         "pc",   "cause", "bad", "hi",   "lo",   "fsr",  "fir" \
  38     }
  39
  40 /* The signal handler trampoline is called _sigtramp.  */
  41 #undef IN_SIGTRAMP
  42 #define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigtramp", name))
  43
  44 /* Offsets for register values in _sigtramp frame.
  45    sigcontext is immediately above the _sigtramp frame on Irix.  */
  46 #undef SIGFRAME_BASE
  47 #define SIGFRAME_BASE           0
  48
  49 /* Irix 5 saves a full 64 bits for each register.  We skip 2 * 4 to
  50    get to the saved PC (the register mask and status register are both
  51    32 bits) and then another 4 to get to the lower 32 bits.  We skip
  52    the same 4 bytes, plus the 8 bytes for the PC to get to the
  53    registers, and add another 4 to get to the lower 32 bits.  We skip
  54    8 bytes per register.  */
  55 #undef SIGFRAME_PC_OFF
  56 #define SIGFRAME_PC_OFF         (SIGFRAME_BASE + 2 * 4 + 4)
  57 #undef SIGFRAME_REGSAVE_OFF
  58 #define SIGFRAME_REGSAVE_OFF    (SIGFRAME_BASE + 2 * 4 + 8 + 4)
  59 #undef SIGFRAME_FPREGSAVE_OFF
  60 #define SIGFRAME_FPREGSAVE_OFF  (SIGFRAME_BASE + 2 * 4 + 8 + 32 * 8 + 4)
  61 #define SIGFRAME_REG_SIZE       8