projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| c653bc6d JG |
1 | /* Target definitions for GDB on an Altos 3068 (m68k running SVR2) |
| 2 | Copyright 1987, 1989, 1991, 1993 Free Software Foundation, Inc. | |
| dd3b648e RP |
3 | |
| 4 | This file is part of GDB. | |
| 5 | ||
| 99a7de40 | 6 | This program is free software; you can redistribute it and/or modify |
| dd3b648e | 7 | it under the terms of the GNU General Public License as published by |
| 99a7de40 JG |
8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. | |
| dd3b648e | 10 | |
| 99a7de40 | 11 | This program is distributed in the hope that it will be useful, |
| dd3b648e RP |
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 | |
| 99a7de40 JG |
17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| dd3b648e | 19 | |
| 84d82b1c FF |
20 | /* Define BPT_VECTOR if it is different than the default. |
| 21 | This is the vector number used by traps to indicate a breakpoint. */ | |
| dd3b648e | 22 | |
| 84d82b1c | 23 | #define BPT_VECTOR 0xe |
| dd3b648e | 24 | |
| dd3b648e RP |
25 | /* Address of end of stack space. */ |
| 26 | ||
| 27 | /*#define STACK_END_ADDR (0xffffff)*/ | |
| 28 | #define STACK_END_ADDR (0x1000000) | |
| 29 | ||
| 30 | /* Amount PC must be decremented by after a breakpoint. | |
| dd3b648e RP |
31 | On the Altos, the kernel resets the pc to the trap instr */ |
| 32 | ||
| 33 | #define DECR_PC_AFTER_BREAK 0 | |
| 34 | ||
| b6666a5d FF |
35 | /* The only reason this is here is the tm-altos.h reference below. It |
| 36 | was moved back here from tm-68k.h. FIXME? */ | |
| 37 | ||
| 38 | #define SKIP_PROLOGUE(pc) \ | |
| 39 | { register int op = read_memory_integer (pc, 2); \ | |
| 40 | if (op == 0047126) \ | |
| 41 | pc += 4; /* Skip link #word */ \ | |
| 42 | else if (op == 0044016) \ | |
| 43 | pc += 6; /* Skip link #long */ \ | |
| 44 | /* Not sure why branches are here. */ \ | |
| 45 | /* From tm-isi.h, tm-altos.h */ \ | |
| 46 | else if (op == 0060000) \ | |
| 47 | pc += 4; /* Skip bra #word */ \ | |
| 48 | else if (op == 00600377) \ | |
| 49 | pc += 6; /* skip bra #long */ \ | |
| 50 | else if ((op & 0177400) == 0060000) \ | |
| 51 | pc += 2; /* skip bra #char */ \ | |
| 52 | } | |
| 53 | ||
| dd3b648e | 54 | #include "tm-68k.h" |