HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| d36c097a | 1 | /* Machine description file for the alpha chip. |
| 6a321bbc | 2 | |
| 73b0cd50 | 3 | Copyright (C) 1994, 1997, 1999, 2001-2011 Free Software Foundation, Inc. |
| b061d5f1 | 4 | |
| d36c097a GM |
5 | Author: Rainer Schoepf |
| 6 | (according to authors.el) | |
| 7 | ||
| b061d5f1 RS |
8 | This file is part of GNU Emacs. |
| 9 | ||
| eb3d11ef | 10 | GNU Emacs is free software: you can redistribute it and/or modify |
| b061d5f1 | 11 | it under the terms of the GNU General Public License as published by |
| eb3d11ef GM |
12 | the Free Software Foundation, either version 3 of the License, or |
| 13 | (at your option) any later version. | |
| b061d5f1 RS |
14 | |
| 15 | GNU Emacs is distributed in the hope that it will be useful, | |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | GNU General Public License for more details. | |
| 19 | ||
| 20 | You should have received a copy of the GNU General Public License | |
| eb3d11ef | 21 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| b061d5f1 | 22 | |
| 2eca7f4d | 23 | #ifndef _LP64 |
| 0c99c597 | 24 | #define _LP64 /* This doesn't appear to be necessary on OSF 4/5 -- fx. */ |
| 2eca7f4d | 25 | #endif |
| b061d5f1 | 26 | |
| b061d5f1 | 27 | /* Now define a symbol for the cpu type, if your compiler |
| 132d0475 | 28 | does not define it automatically. */ |
| b061d5f1 RS |
29 | /* __alpha defined automatically */ |
| 30 | ||
| 31 | ||
| b061d5f1 | 32 | /* Data type of load average, as read out of kmem. */ |
| b061d5f1 RS |
33 | #define LOAD_AVE_TYPE long |
| 34 | ||
| 35 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
| b061d5f1 RS |
36 | #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) |
| 37 | ||
| 821f376d | 38 | #ifdef __ELF__ |
| 821f376d | 39 | |
| ca0eb708 | 40 | #if !defined(GNU_LINUX) && !defined(__NetBSD__) |
| d5e406c3 | 41 | #define DATA_START 0x140000000 |
| bcd4fb44 | 42 | #endif |
| bdee2ef3 | 43 | |
| bdee2ef3 | 44 | #else /* not __ELF__ */ |
| 821f376d | 45 | |
| b061d5f1 | 46 | /* Describe layout of the address space in an executing process. */ |
| b061d5f1 RS |
47 | #define DATA_START 0x140000000 |
| 48 | ||
| bdee2ef3 | 49 | #endif /* __ELF__ */ |
| 821f376d | 50 | |
| 821f376d RS |
51 | /* On the Alpha it's best to avoid including TERMIO since struct |
| 52 | termio and struct termios are mutually incompatible. */ | |
| ee803128 RS |
53 | #define NO_TERMIO |
| 54 | ||
| 13d603a9 PE |
55 | /* Many Alpha implementations (e.g. gas 2.8) can't handle DBL_MIN: |
| 56 | they generate code that uses a signaling NaN instead of DBL_MIN. | |
| 57 | Define DBL_MIN_REPLACEMENT to be the next value larger than DBL_MIN: | |
| 58 | this avoids the assembler bug. */ | |
| 59 | #define DBL_MIN_REPLACEMENT 2.2250738585072019e-308 | |
| ab5796a9 | 60 |