| 1 | /* Parameters for VxWorks Intel 960's, for GDB, the GNU debugger. |
| 2 | Copyright (C) 1986-1991 Free Software Foundation, Inc. |
| 3 | Contributed by 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 20 | |
| 21 | #include "tm-i960.h" |
| 22 | |
| 23 | /* Under VxWorks the IP isn't filled in. Skip it, go with RIP, which has |
| 24 | the real value. */ |
| 25 | #undef PC_REGNUM |
| 26 | #define PC_REGNUM RIP_REGNUM |
| 27 | |
| 28 | #define GDBINIT_FILENAME ".vxgdbinit" |
| 29 | |
| 30 | #define DEFAULT_PROMPT "(vxgdb) " |
| 31 | |
| 32 | /* We have more complex, useful breakpoints on the target. |
| 33 | Amount ip must be decremented by after a breakpoint. */ |
| 34 | |
| 35 | #define DECR_PC_AFTER_BREAK 0 |
| 36 | |
| 37 | /* We are guaranteed to have a zero frame pointer at bottom of stack, too. */ |
| 38 | |
| 39 | #define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0) |
| 40 | |
| 41 | /* Breakpoint patching is handled at the target end in VxWorks. */ |
| 42 | /* #define BREAKPOINT {0x00, 0x3e, 0x00, 0x66} */ |