Mercurial > hg > xemacs-beta
annotate src/m/sparc.h @ 5927:b58b74274fa2 cygwin
changes from long ago, never committed...
| author | Henry Thompson <ht@markup.co.uk> |
|---|---|
| date | Wed, 15 Dec 2021 19:02:33 +0000 |
| parents | 1f0b15040456 |
| children |
| rev | line source |
|---|---|
| 428 | 1 /* machine description file for Sun 4 SPARC. |
| 2 Copyright (C) 1987, 1994 Free Software Foundation, Inc. | |
| 3 | |
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4 This file is part of XEmacs. |
| 428 | 5 |
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6 XEmacs is free software: you can redistribute it and/or modify it |
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7 under the terms of the GNU General Public License as published by the |
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8 Free Software Foundation, either version 3 of the License, or (at your |
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9 option) any later version. |
| 428 | 10 |
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT |
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 for more details. |
| 428 | 15 |
| 16 You should have received a copy of the GNU General Public License | |
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17 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 18 |
| 19 /* Synched up with: FSF 19.31. */ | |
| 20 | |
| 21 /* The following line tells the configuration script what sort of | |
| 22 operating system this machine is likely to run. | |
| 23 USUAL-OPSYS="note" | |
| 24 | |
| 25 NOTE-START | |
| 26 Use -opsystem=sunos4 for operating system version 4, and | |
| 27 -opsystem=bsd4-2 for earlier versions. | |
| 28 NOTE-END */ | |
| 29 | |
| 30 /* XEmacs change */ | |
| 31 /* Say this machine is a sparc if we are not generating the Makefiles. | |
| 32 In that case say we are a SPARC. Otherwise people who have sparc | |
| 33 in a path will not be happy. */ | |
| 34 | |
| 35 #ifdef NOT_C_CODE | |
| 36 # define SPARC | |
| 37 #else | |
| 38 # ifndef sparc | |
| 39 # define sparc | |
| 40 # endif | |
| 41 #endif | |
| 42 | |
| 43 /* Mask for address bits within a memory segment */ | |
| 44 | |
| 45 #define SEGMENT_MASK (SEGSIZ - 1) | |
| 46 | |
| 47 #if ! defined (__NetBSD__) && ! defined (__linux__) && !defined (__OpenBSD__) | |
| 48 /* This really belongs in s/sun.h. */ | |
| 49 | |
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50 #ifdef ENABLE_SM_FILE_DECLS_OF_LOADAVG_STUFF |
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51 |
| 428 | 52 /* Data type of load average, as read out of kmem. */ |
| 53 | |
| 54 #define LOAD_AVE_TYPE long | |
| 55 | |
| 56 /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
| 57 | |
| 58 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) | |
| 59 | |
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60 #endif /* ENABLE_SM_FILE_DECLS_OF_LOADAVG_STUFF */ |
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61 |
| 428 | 62 /* Say that the text segment of a.out includes the header; |
| 63 the header actually occupies the first few bytes of the text segment | |
| 64 and is counted in hdr.a_text. */ | |
| 65 | |
| 66 #define A_TEXT_OFFSET(HDR) sizeof (HDR) | |
| 67 | |
| 68 /* This is the offset of the executable's text, from the start of the file. */ | |
| 69 | |
| 70 #define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr)) | |
| 71 | |
| 72 #endif /* not Linux or NetBSD or OpenBSD */ |