gdb/config/m68k/xm-altos.h

   1 /* OBSOLETE /* Definitions to make GDB run on an Altos 3068 (m68k running SVR2) */
   2 /* OBSOLETE    Copyright (C) 1987,1989 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, Boston, MA 02111-1307, USA.  *x/ */
  19 /* OBSOLETE  */
  20 /* OBSOLETE #define HOST_BYTE_ORDER BIG_ENDIAN */
  21 /* OBSOLETE  */
  22 /* OBSOLETE /* The altos support would make a good base for a port to other USGR2 systems */
  23 /* OBSOLETE    (like the 3b1 and the Convergent miniframe).  *x/ */
  24 /* OBSOLETE  */
  25 /* OBSOLETE /* This is only needed in one file, but it's cleaner to put it here than */
  26 /* OBSOLETE    putting in more #ifdef's.  *x/ */
  27 /* OBSOLETE #include <sys/page.h> */
  28 /* OBSOLETE #include <sys/net.h> */
  29 /* OBSOLETE  */
  30 /* OBSOLETE #define USG */
  31 /* OBSOLETE  */
  32 /* OBSOLETE #define HAVE_TERMIO */
  33 /* OBSOLETE  */
  34 /* OBSOLETE #define CBREAK XTABS        /* It takes all kinds... *x/ */
  35 /* OBSOLETE  */
  36 /* OBSOLETE #ifndef R_OK */
  37 /* OBSOLETE #define R_OK 4 */
  38 /* OBSOLETE #define W_OK 2 */
  39 /* OBSOLETE #define X_OK 1 */
  40 /* OBSOLETE #define F_OK 0 */
  41 /* OBSOLETE #endif */
  42 /* OBSOLETE  */
  43 /* OBSOLETE /* Get sys/wait.h ie. from a Sun and edit it a little (mc68000 to m68k) *x/ */
  44 /* OBSOLETE /* Why bother?  *x/ */
  45 /* OBSOLETE #if 0 */
  46 /* OBSOLETE #define HAVE_WAIT_STRUCT */
  47 /* OBSOLETE #endif */
  48 /* OBSOLETE  */
  49 /* OBSOLETE /* This is the amount to subtract from u.u_ar0 */
  50 /* OBSOLETE    to get the offset in the core file of the register values. *x/ */
  51 /* OBSOLETE  */
  52 /* OBSOLETE #define KERNEL_U_ADDR 0x1fbf000 */
  53 /* OBSOLETE  */
  54 /* OBSOLETE #define REGISTER_U_ADDR(addr, blockend, regno)              \ */
  55 /* OBSOLETE {   if (regno <= SP_REGNUM) \ */
  56 /* OBSOLETE       addr = blockend + regno * 4; \ */
  57 /* OBSOLETE     else if (regno == PS_REGNUM) \ */
  58 /* OBSOLETE       addr = blockend + regno * 4 + 4; \ */
  59 /* OBSOLETE     else if (regno == PC_REGNUM) \ */
  60 /* OBSOLETE       addr = blockend + regno * 4 + 2; \ */
  61 /* OBSOLETE } */
  62 /* OBSOLETE  */
  63 /* OBSOLETE #define REGISTER_ADDR(u_ar0, regno)                                 \ */
  64 /* OBSOLETE   (((regno) < PS_REGNUM)                                            \ */
  65 /* OBSOLETE    ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)])  \ */
  66 /* OBSOLETE    : (((regno) == PS_REGNUM)                                                \ */
  67 /* OBSOLETE       ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS))             \ */
  68 /* OBSOLETE       : (&((struct exception_stack *) (u_ar0))->e_PC))) */
  69 /* OBSOLETE  */
  70 /* OBSOLETE #define FP_REGISTER_ADDR(u, regno)                                  \ */
  71 /* OBSOLETE   (((char *)                                                                \ */
  72 /* OBSOLETE     (((regno) < FPC_REGNUM)                                         \ */
  73 /* OBSOLETE      ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \ */
  74 /* OBSOLETE      : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)])))        \ */
  75 /* OBSOLETE    - ((char *) (& u))) */
  76 /* OBSOLETE  */
  77 /* OBSOLETE \f */
  78 /* OBSOLETE #ifndef __GNUC__ */
  79 /* OBSOLETE #undef USE_GAS */
  80 /* OBSOLETE #define ALTOS_AS */
  81 /* OBSOLETE #else */
  82 /* OBSOLETE #define USE_GAS */
  83 /* OBSOLETE #endif */
  84 /* OBSOLETE  */
  85 /* OBSOLETE /* Motorola assembly format *x/ */
  86 /* OBSOLETE #if !defined(USE_GAS) && !defined(ALTOS) */
  87 /* OBSOLETE #define MOTOROLA */
  88 /* OBSOLETE #endif */
  89 /* OBSOLETE  */
  90 /* OBSOLETE /* Interface definitions for kernel debugger KDB.  *x/ */
  91 /* OBSOLETE  */
  92 /* OBSOLETE /* Map machine fault codes into signal numbers. */
  93 /* OBSOLETE    First subtract 0, divide by 4, then index in a table. */
  94 /* OBSOLETE    Faults for which the entry in this table is 0 */
  95 /* OBSOLETE    are not handled by KDB; the program's own trap handler */
  96 /* OBSOLETE    gets to handle then.  *x/ */
  97 /* OBSOLETE  */
  98 /* OBSOLETE #define FAULT_CODE_ORIGIN 0 */
  99 /* OBSOLETE #define FAULT_CODE_UNITS 4 */
 100 /* OBSOLETE #define FAULT_TABLE    \ */
 101 /* OBSOLETE { 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ */
 102 /* OBSOLETE   0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ */
 103 /* OBSOLETE   0, 0, 0, 0, 0, 0, 0, 0, \ */
 104 /* OBSOLETE   SIGILL } */
 105 /* OBSOLETE  */
 106 /* OBSOLETE /* Start running with a stack stretching from BEG to END. */
 107 /* OBSOLETE    BEG and END should be symbols meaningful to the assembler. */
 108 /* OBSOLETE    This is used only for kdb.  *x/ */
 109 /* OBSOLETE  */
 110 /* OBSOLETE #ifdef MOTOROLA */
 111 /* OBSOLETE #define INIT_STACK(beg, end)  \ */
 112 /* OBSOLETE { asm (".globl end");         \ */
 113 /* OBSOLETE   asm ("move.l $ end, sp");      \ */
 114 /* OBSOLETE   asm ("clr.l fp"); } */
 115 /* OBSOLETE #else */
 116 /* OBSOLETE #ifdef ALTOS_AS */
 117 /* OBSOLETE #define INIT_STACK(beg, end)  \ */
 118 /* OBSOLETE { asm ("global end");         \ */
 119 /* OBSOLETE   asm ("mov.l &end,%sp");      \ */
 120 /* OBSOLETE   asm ("clr.l %fp"); } */
 121 /* OBSOLETE #else */
 122 /* OBSOLETE #define INIT_STACK(beg, end)  \ */
 123 /* OBSOLETE { asm (".globl end");         \ */
 124 /* OBSOLETE   asm ("movel $ end, sp");      \ */
 125 /* OBSOLETE   asm ("clrl fp"); } */
 126 /* OBSOLETE #endif */
 127 /* OBSOLETE #endif */
 128 /* OBSOLETE  */
 129 /* OBSOLETE /* Push the frame pointer register on the stack.  *x/ */
 130 /* OBSOLETE #ifdef MOTOROLA */
 131 /* OBSOLETE #define PUSH_FRAME_PTR        \ */
 132 /* OBSOLETE   asm ("move.l fp, -(sp)"); */
 133 /* OBSOLETE #else */
 134 /* OBSOLETE #ifdef ALTOS_AS */
 135 /* OBSOLETE #define PUSH_FRAME_PTR        \ */
 136 /* OBSOLETE   asm ("mov.l %fp, -(%sp)"); */
 137 /* OBSOLETE #else */
 138 /* OBSOLETE #define PUSH_FRAME_PTR        \ */
 139 /* OBSOLETE   asm ("movel fp, -(sp)"); */
 140 /* OBSOLETE #endif */
 141 /* OBSOLETE #endif */
 142 /* OBSOLETE  */
 143 /* OBSOLETE /* Copy the top-of-stack to the frame pointer register.  *x/ */
 144 /* OBSOLETE #ifdef MOTOROLA */
 145 /* OBSOLETE #define POP_FRAME_PTR  \ */
 146 /* OBSOLETE   asm ("move.l (sp), fp"); */
 147 /* OBSOLETE #else */
 148 /* OBSOLETE #ifdef ALTOS_AS */
 149 /* OBSOLETE #define POP_FRAME_PTR  \ */
 150 /* OBSOLETE   asm ("mov.l (%sp), %fp"); */
 151 /* OBSOLETE #else */
 152 /* OBSOLETE #define POP_FRAME_PTR  \ */
 153 /* OBSOLETE   asm ("movl (sp), fp"); */
 154 /* OBSOLETE #endif */
 155 /* OBSOLETE #endif */
 156 /* OBSOLETE  */
 157 /* OBSOLETE /* After KDB is entered by a fault, push all registers */
 158 /* OBSOLETE    that GDB thinks about (all NUM_REGS of them), */
 159 /* OBSOLETE    so that they appear in order of ascending GDB register number. */
 160 /* OBSOLETE    The fault code will be on the stack beyond the last register.  *x/ */
 161 /* OBSOLETE  */
 162 /* OBSOLETE #ifdef MOTOROLA */
 163 /* OBSOLETE #define PUSH_REGISTERS        \ */
 164 /* OBSOLETE { asm ("clr.w -(sp)");            \ */
 165 /* OBSOLETE   asm ("pea (10,sp)");            \ */
 166 /* OBSOLETE   asm ("movem $ 0xfffe,-(sp)"); } */
 167 /* OBSOLETE #else */
 168 /* OBSOLETE #ifdef ALTOS_AS */
 169 /* OBSOLETE #define PUSH_REGISTERS        \ */
 170 /* OBSOLETE { asm ("clr.w -(%sp)");           \ */
 171 /* OBSOLETE   asm ("pea (10,%sp)");           \ */
 172 /* OBSOLETE   asm ("movm.l &0xfffe,-(%sp)"); } */
 173 /* OBSOLETE #else */
 174 /* OBSOLETE #define PUSH_REGISTERS        \ */
 175 /* OBSOLETE { asm ("clrw -(sp)");             \ */
 176 /* OBSOLETE   asm ("pea 10(sp)");             \ */
 177 /* OBSOLETE   asm ("movem $ 0xfffe,-(sp)"); } */
 178 /* OBSOLETE #endif */
 179 /* OBSOLETE #endif */
 180 /* OBSOLETE  */
 181 /* OBSOLETE /* Assuming the registers (including processor status) have been */
 182 /* OBSOLETE    pushed on the stack in order of ascending GDB register number, */
 183 /* OBSOLETE    restore them and return to the address in the saved PC register.  *x/ */
 184 /* OBSOLETE  */
 185 /* OBSOLETE #ifdef MOTOROLA */
 186 /* OBSOLETE #define POP_REGISTERS          \ */
 187 /* OBSOLETE { asm ("subi.l $8,28(sp)");     \ */
 188 /* OBSOLETE   asm ("movem (sp),$ 0xffff"); \ */
 189 /* OBSOLETE   asm ("rte"); } */
 190 /* OBSOLETE #else */
 191 /* OBSOLETE #ifdef ALTOS_AS */
 192 /* OBSOLETE #define POP_REGISTERS          \ */
 193 /* OBSOLETE { asm ("sub.l &8,28(%sp)");     \ */
 194 /* OBSOLETE   asm ("movem (%sp),&0xffff"); \ */
 195 /* OBSOLETE   asm ("rte"); } */
 196 /* OBSOLETE #else */
 197 /* OBSOLETE #define POP_REGISTERS          \ */
 198 /* OBSOLETE { asm ("subil $8,28(sp)");     \ */
 199 /* OBSOLETE   asm ("movem (sp),$ 0xffff"); \ */
 200 /* OBSOLETE   asm ("rte"); } */
 201 /* OBSOLETE #endif */
 202 /* OBSOLETE #endif */