1 /* Definitions to make GDB run on a mips box under 4.3bsd.
2 Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
6 This file is part of GDB.
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.
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.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 #if !defined (HOST_BYTE_ORDER)
23 #define HOST_BYTE_ORDER LITTLE_ENDIAN
27 /* Needed for DECstation core files. */
28 #include <machine/param.h>
29 #define KERNEL_U_ADDR UADDR
31 /* Native Ultrix cc has broken long long support. */
33 #undef CC_HAS_LONG_LONG
37 #if ! defined (__STDC__) && ! defined (offsetof)
38 # define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
41 /* Only used for core files on DECstations.
42 First four registers at u.u_ar0 are saved arguments, and
43 there is no r0 saved. Float registers are saved
44 in u_pcb.pcb_fpregs, not relative to u.u_ar0. */
46 #define REGISTER_U_ADDR(addr, blockend, regno) \
48 if (regno < FP0_REGNUM) \
49 addr = blockend + sizeof(int) * (4 + regno - 1); \
51 addr = offsetof (struct user, u_pcb.pcb_fpregs[0]) + \
52 sizeof (int) * (regno - FP0_REGNUM); \
55 /* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */
56 #define ONE_PROCESS_WRITETEXT
58 /* HAVE_SGTTY also works, last we tried.
60 But we have termios, at least as of Ultrix 4.2A, so use it. */