HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 5c3c0887 | 1 | /* machine description file for Iris-4D machines. Use with s/irix*.h. |
| 6a321bbc GM |
2 | |
| 3 | Copyright (C) 1987, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, | |
| 4 | 2009, 2010 Free Software Foundation, Inc. | |
| 20c428fd JB |
5 | |
| 6 | This file is part of GNU Emacs. | |
| 7 | ||
| eb3d11ef | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
| 20c428fd | 9 | it under the terms of the GNU General Public License as published by |
| eb3d11ef GM |
10 | the Free Software Foundation, either version 3 of the License, or |
| 11 | (at your option) any later version. | |
| 20c428fd JB |
12 | |
| 13 | GNU Emacs 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 | |
| eb3d11ef | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 20c428fd JB |
20 | |
| 21 | ||
| 22e9fe24 | 22 | /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word |
| 74d3f806 | 23 | is the most significant byte. */ |
| 74d3f806 KH |
24 | #define WORDS_BIG_ENDIAN |
| 25 | ||
| 20c428fd | 26 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend |
| aa24c41b | 27 | the bit field into an int. In other words, if bit fields |
| 20c428fd JB |
28 | are always unsigned. |
| 29 | ||
| 6e5cb96f | 30 | This flag only matters if you use USE_LISP_UNION_TYPE. */ |
| 20c428fd JB |
31 | #define EXPLICIT_SIGN_EXTEND |
| 32 | ||
| 20c428fd JB |
33 | #define TEXT_START 0x400000 |
| 34 | ||
| 6a321bbc GM |
35 | /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers which |
| 36 | were stored in a Lisp_Object (as Emacs uses fewer than 32 bits for | |
| 37 | the value field of a LISP_OBJECT). */ | |
| 20c428fd JB |
38 | #define DATA_START 0x10000000 |
| 39 | #define DATA_SEG_BITS 0x10000000 | |
| 40 | ||
| 20c428fd | 41 | \f |
| 149f3ffd | 42 | #if _MIPS_SZLONG != 64 |
| 723f3a23 | 43 | /* fixme: should there be 64-bit definitions? (The ones below aren't OK.) */ |
| 149f3ffd | 44 | |
| 20c428fd JB |
45 | /* The standard definitions of these macros would work ok, |
| 46 | but these are faster because the constants are short. */ | |
| 5964b664 | 47 | #define XUINT(a) (((unsigned)(a) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS) |
| 20c428fd JB |
48 | |
| 49 | #define XSET(var, type, ptr) \ | |
| 5964b664 | 50 | ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS)) |
| a6616745 | 51 | #endif /* _LP64 */ |
| 23b0668c | 52 | |
| ab5796a9 MB |
53 | /* arch-tag: fff5e139-9ae0-465d-afec-837c41ea0aa6 |
| 54 | (do not change this comment) */ |