gdb/config/m68k/xm-sun3.h

   1 // OBSOLETE /* Parameters for execution on a Sun, for GDB, the GNU debugger.
   2 // OBSOLETE    Copyright 1986, 1987, 1989, 1996 Free Software Foundation, Inc.
   3 // OBSOLETE
   4 // OBSOLETE    This file is part of GDB.
   5 // OBSOLETE
   6 // OBSOLETE    This program is free software; you can redistribute it and/or modify
   7 // OBSOLETE    it under the terms of the GNU General Public License as published by
   8 // OBSOLETE    the Free Software Foundation; either version 2 of the License, or
   9 // OBSOLETE    (at your option) any later version.
  10 // OBSOLETE
  11 // OBSOLETE    This program is distributed in the hope that it will be useful,
  12 // OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // OBSOLETE    GNU General Public License for more details.
  15 // OBSOLETE
  16 // OBSOLETE    You should have received a copy of the GNU General Public License
  17 // OBSOLETE    along with this program; if not, write to the Free Software
  18 // OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
  19 // OBSOLETE    Boston, MA 02111-1307, USA.  */
  20 // OBSOLETE
  21 // OBSOLETE /* Interface definitions for kernel debugger KDB.  */
  22 // OBSOLETE
  23 // OBSOLETE /* Map machine fault codes into signal numbers.
  24 // OBSOLETE    First subtract 0, divide by 4, then index in a table.
  25 // OBSOLETE    Faults for which the entry in this table is 0
  26 // OBSOLETE    are not handled by KDB; the program's own trap handler
  27 // OBSOLETE    gets to handle then.  */
  28 // OBSOLETE
  29 // OBSOLETE #define FAULT_CODE_ORIGIN 0
  30 // OBSOLETE #define FAULT_CODE_UNITS 4
  31 // OBSOLETE #define FAULT_TABLE    \
  32 // OBSOLETE { 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
  33 // OBSOLETE   0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
  34 // OBSOLETE   0, 0, 0, 0, 0, 0, 0, 0, \
  35 // OBSOLETE   SIGILL }
  36 // OBSOLETE
  37 // OBSOLETE /* Start running with a stack stretching from BEG to END.
  38 // OBSOLETE    BEG and END should be symbols meaningful to the assembler.
  39 // OBSOLETE    This is used only for kdb.  */
  40 // OBSOLETE
  41 // OBSOLETE #define INIT_STACK(beg, end)  \
  42 // OBSOLETE { asm (".globl end");         \
  43 // OBSOLETE   asm ("movel #end, sp");      \
  44 // OBSOLETE   asm ("movel #0,a6"); }
  45 // OBSOLETE
  46 // OBSOLETE /* Push the frame pointer register on the stack.  */
  47 // OBSOLETE #define PUSH_FRAME_PTR        \
  48 // OBSOLETE   asm ("movel a6,sp@-");
  49 // OBSOLETE
  50 // OBSOLETE /* Copy the top-of-stack to the frame pointer register.  */
  51 // OBSOLETE #define POP_FRAME_PTR  \
  52 // OBSOLETE   asm ("movl sp@,a6");
  53 // OBSOLETE
  54 // OBSOLETE /* After KDB is entered by a fault, push all registers
  55 // OBSOLETE    that GDB thinks about (all NUM_REGS of them),
  56 // OBSOLETE    so that they appear in order of ascending GDB register number.
  57 // OBSOLETE    The fault code will be on the stack beyond the last register.  */
  58 // OBSOLETE
  59 // OBSOLETE #define PUSH_REGISTERS        \
  60 // OBSOLETE { asm ("clrw -(sp)");             \
  61 // OBSOLETE   asm ("pea sp@(10)");            \
  62 // OBSOLETE   asm ("movem #0xfffe,sp@-"); }
  63 // OBSOLETE
  64 // OBSOLETE /* Assuming the registers (including processor status) have been
  65 // OBSOLETE    pushed on the stack in order of ascending GDB register number,
  66 // OBSOLETE    restore them and return to the address in the saved PC register.  */
  67 // OBSOLETE
  68 // OBSOLETE #define POP_REGISTERS          \
  69 // OBSOLETE { asm ("subil #8,sp@(28)");     \
  70 // OBSOLETE   asm ("movem sp@,#0xffff"); \
  71 // OBSOLETE   asm ("rte"); }