HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| d36c097a | 1 | /* Machine description file for the alpha chip. |
| 6a321bbc GM |
2 | |
| 3 | Copyright (C) 1994, 1997, 1999, 2001, 2002, 2003, 2004, 2005, 2006, | |
| 4 | 2007, 2008, 2009, 2010 Free Software Foundation, Inc. | |
| b061d5f1 | 5 | |
| d36c097a GM |
6 | Author: Rainer Schoepf |
| 7 | (according to authors.el) | |
| 8 | ||
| b061d5f1 RS |
9 | This file is part of GNU Emacs. |
| 10 | ||
| eb3d11ef | 11 | GNU Emacs is free software: you can redistribute it and/or modify |
| b061d5f1 | 12 | it under the terms of the GNU General Public License as published by |
| eb3d11ef GM |
13 | the Free Software Foundation, either version 3 of the License, or |
| 14 | (at your option) any later version. | |
| b061d5f1 RS |
15 | |
| 16 | GNU Emacs is distributed in the hope that it will be useful, | |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 | GNU General Public License for more details. | |
| 20 | ||
| 21 | You should have received a copy of the GNU General Public License | |
| eb3d11ef | 22 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| b061d5f1 | 23 | |
| 2eca7f4d | 24 | #ifndef _LP64 |
| 0c99c597 | 25 | #define _LP64 /* This doesn't appear to be necessary on OSF 4/5 -- fx. */ |
| 2eca7f4d | 26 | #endif |
| b061d5f1 | 27 | |
| b061d5f1 | 28 | /* Now define a symbol for the cpu type, if your compiler |
| 132d0475 | 29 | does not define it automatically. */ |
| b061d5f1 RS |
30 | /* __alpha defined automatically */ |
| 31 | ||
| 32 | ||
| b061d5f1 | 33 | /* Data type of load average, as read out of kmem. */ |
| b061d5f1 RS |
34 | #define LOAD_AVE_TYPE long |
| 35 | ||
| 36 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
| b061d5f1 RS |
37 | #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) |
| 38 | ||
| 821f376d | 39 | #ifdef __ELF__ |
| 821f376d | 40 | |
| ca0eb708 | 41 | #if !defined(GNU_LINUX) && !defined(__NetBSD__) |
| d5e406c3 | 42 | #define DATA_START 0x140000000 |
| bcd4fb44 | 43 | #endif |
| bdee2ef3 | 44 | |
| bdee2ef3 | 45 | #else /* not __ELF__ */ |
| 821f376d | 46 | |
| b061d5f1 | 47 | /* Describe layout of the address space in an executing process. */ |
| b061d5f1 RS |
48 | #define DATA_START 0x140000000 |
| 49 | ||
| bdee2ef3 | 50 | #endif /* __ELF__ */ |
| 821f376d | 51 | |
| 821f376d RS |
52 | /* On the Alpha it's best to avoid including TERMIO since struct |
| 53 | termio and struct termios are mutually incompatible. */ | |
| ee803128 RS |
54 | #define NO_TERMIO |
| 55 | ||
| 13d603a9 PE |
56 | /* Many Alpha implementations (e.g. gas 2.8) can't handle DBL_MIN: |
| 57 | they generate code that uses a signaling NaN instead of DBL_MIN. | |
| 58 | Define DBL_MIN_REPLACEMENT to be the next value larger than DBL_MIN: | |
| 59 | this avoids the assembler bug. */ | |
| 60 | #define DBL_MIN_REPLACEMENT 2.2250738585072019e-308 | |
| ab5796a9 MB |
61 | |
| 62 | /* arch-tag: 978cb578-1e25-4a60-819b-adae0972aa78 | |
| 63 | (do not change this comment) */ |