| 1 | /* Definitions to make GDB run on a mips box under 4.3bsd. |
| 2 | Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. |
| 3 | Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin |
| 4 | and by Alessandro Forin(af@cs.cmu.edu) at CMU |
| 5 | |
| 6 | This file is part of GDB. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 21 | |
| 22 | #if !defined (HOST_BYTE_ORDER) |
| 23 | #define HOST_BYTE_ORDER LITTLE_ENDIAN |
| 24 | #endif |
| 25 | |
| 26 | /* Get rid of any system-imposed stack limit if possible */ |
| 27 | |
| 28 | #define SET_STACK_LIMIT_HUGE |
| 29 | |
| 30 | #ifdef ultrix |
| 31 | /* Needed for DECstation core files. */ |
| 32 | #include <machine/param.h> |
| 33 | #define KERNEL_U_ADDR UADDR |
| 34 | #endif |
| 35 | |
| 36 | #ifdef ultrix |
| 37 | extern char *strdup(); |
| 38 | #endif |
| 39 | |
| 40 | /* DECstation memcpy and memset return void *, not char *. */ |
| 41 | |
| 42 | extern void *memcpy(); |
| 43 | extern void *memset(); |
| 44 | #define MEM_FNS_DECLARED |
| 45 | |
| 46 | #if !defined (offsetof) |
| 47 | # define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) |
| 48 | #endif |
| 49 | |
| 50 | /* Only used for core files on DECstations. |
| 51 | First four registers at u.u_ar0 are saved arguments, and |
| 52 | there is no r0 saved. Float registers are saved |
| 53 | in u_pcb.pcb_fpregs, not relative to u.u_ar0. */ |
| 54 | |
| 55 | #define REGISTER_U_ADDR(addr, blockend, regno) \ |
| 56 | { \ |
| 57 | if (regno < FP0_REGNUM) \ |
| 58 | addr = blockend + sizeof(int) * (4 + regno - 1); \ |
| 59 | else \ |
| 60 | addr = offsetof (struct user, u_pcb.pcb_fpregs[0]) + \ |
| 61 | sizeof (int) * (regno - FP0_REGNUM); \ |
| 62 | } |
| 63 | |
| 64 | /* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */ |
| 65 | #define ONE_PROCESS_WRITETEXT |