Mercurial > hg > xemacs-beta
comparison src/m/mips-siemens.h @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 08:45:50 +0200 |
| parents | |
| children | 0132846995bd |
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| -1:000000000000 | 0:376386a54a3c |
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| 1 /* m- file for Mips machines. | |
| 2 Copyright (C) 1987, 1992, 1993, 1995 Free Software Foundation, Inc. | |
| 3 | |
| 4 This file contains some changes for our SVR4 based SINIX-Mips 5.4. | |
| 5 I hope this is helpful to port the emacs to our RM?00 series and | |
| 6 maybe to the DC/OSx (Mips-based) machines of Pyramid Inc. | |
| 7 (Marco.Walther@mch.sni.de) | |
| 8 | |
| 9 This file is part of GNU Emacs. | |
| 10 | |
| 11 GNU Emacs is free software; you can redistribute it and/or modify | |
| 12 it under the terms of the GNU General Public License as published by | |
| 13 the Free Software Foundation; either version 2, or (at your option) | |
| 14 any later version. | |
| 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 | |
| 22 along with XEmacs; see the file COPYING. If not, write to | |
| 23 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 24 Boston, MA 02111-1307, USA. */ | |
| 25 | |
| 26 /* Synched up with: FSF 19.31. */ | |
| 27 | |
| 28 /* The following line tells the configuration script what sort of | |
| 29 operating system this machine is likely to run. | |
| 30 USUAL-OPSYS="note" | |
| 31 | |
| 32 NOTE-START | |
| 33 Use m-mips4.h for RISCOS version 4; use s-bsd4-3.h with the BSD world. | |
| 34 Note that the proper m- file for the Decstation is m-pmax.h. | |
| 35 This is the m- file for SNI RM*00 machines. Use s- sinix5-4.h file! | |
| 36 With this the file mips-siemens.h is obsolete. | |
| 37 NOTE-END */ | |
| 38 | |
| 39 /* Define WORD_MACHINE if addresses and such have | |
| 40 * to be corrected before they can be used as byte counts. */ | |
| 41 | |
| 42 #undef WORD_MACHINE | |
| 43 | |
| 44 /* Define how to take a char and sign-extend into an int. | |
| 45 On machines where char is signed, this is a no-op. */ | |
| 46 | |
| 47 #define SIGN_EXTEND_CHAR(c) ((signed char)(c)) | |
| 48 | |
| 49 /* Now define a symbol for the cpu type, if your compiler | |
| 50 does not define it automatically: | |
| 51 Ones defined so far include vax, m68000, ns16000, pyramid, | |
| 52 orion, tahoe, APOLLO and many others */ | |
| 53 #ifndef mips | |
| 54 # define mips | |
| 55 #endif | |
| 56 | |
| 57 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
| 58 the 24-bit bit field into an int. In other words, if bit fields | |
| 59 are always unsigned. | |
| 60 | |
| 61 If you use NO_UNION_TYPE, this flag does not matter. */ | |
| 62 | |
| 63 #define EXPLICIT_SIGN_EXTEND | |
| 64 | |
| 65 /* Data type of load average, as read out of kmem. */ | |
| 66 | |
| 67 #define LOAD_AVE_TYPE long | |
| 68 | |
| 69 /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
| 70 | |
| 71 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / 256.0) | |
| 72 | |
| 73 /* CDC EP/IX 1.4.3 uses /unix */ | |
| 74 | |
| 75 #undef KERNEL_FILE | |
| 76 #define KERNEL_FILE "/unix" | |
| 77 | |
| 78 /* Define CANNOT_DUMP on machines where unexec does not work. | |
| 79 Then the function dump-emacs will not be defined | |
| 80 and temacs will do (load "loadup") automatically unless told otherwise. */ | |
| 81 | |
| 82 #undef CANNOT_DUMP | |
| 83 | |
| 84 /* Define VIRT_ADDR_VARIES if the virtual addresses of | |
| 85 pure and impure space as loaded can vary, and even their | |
| 86 relative order cannot be relied on. | |
| 87 | |
| 88 Otherwise Emacs assumes that text space precedes data space, | |
| 89 numerically. */ | |
| 90 | |
| 91 /* #define VIRT_ADDR_VARIES */ | |
| 92 | |
| 93 /* Define C_ALLOCA if this machine does not support a true alloca | |
| 94 and the one written in C should be used instead. | |
| 95 Define HAVE_ALLOCA to say that the system provides a properly | |
| 96 working alloca function and it should be used. | |
| 97 Define neither one if an assembler-language alloca | |
| 98 in the file alloca.s should be used. */ | |
| 99 | |
| 100 #ifdef __GNUC__ | |
| 101 #define HAVE_ALLOCA | |
| 102 #else | |
| 103 #define C_ALLOCA | |
| 104 #endif | |
| 105 | |
| 106 /* Define NO_REMAP if memory segmentation makes it not work well | |
| 107 to change the boundary between the text section and data section | |
| 108 when Emacs is dumped. If you define this, the preloaded Lisp | |
| 109 code will not be sharable; but that's better than failing completely. */ | |
| 110 | |
| 111 #define NO_REMAP | |
| 112 | |
| 113 /* Describe layout of the address space in an executing process. */ | |
| 114 /* MARCO ??? | |
| 115 */ | |
| 116 #define TEXT_START 0x400000 | |
| 117 /* | |
| 118 #define DATA_START 0x10000000 | |
| 119 #define DATA_SEG_BITS 0x10000000 | |
| 120 */ | |
| 121 #ifdef UNEXEC | |
| 122 #undef UNEXEC | |
| 123 #endif | |
| 124 #define UNEXEC unexsni.o | |
| 125 | |
| 126 #undef ORDINARY_LINK | |
| 127 | |
| 128 #undef LIBS_DEBUG | |
| 129 | |
| 130 /* Alter some of the options used when linking. */ | |
| 131 | |
| 132 #define LIBS_MACHINE -lmld | |
| 133 #define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o | |
| 134 | |
| 135 #ifdef LIB_STANDARD | |
| 136 #undef LIB_STANDARD | |
| 137 #endif | |
| 138 #define LIB_STANDARD -lc /usr/ccs/lib/crtn.o | |
| 139 | |
| 140 #ifdef __GNUC__ | |
| 141 #define C_DEBUG_SWITCH | |
| 142 #define C_OPTIMIZE_SWITCH -O | |
| 143 #define LD_SWITCH_MACHINE | |
| 144 #else | |
| 145 #define C_DEBUG_SWITCH -DSYSV | |
| 146 #define C_OPTIMIZE_SWITCH -DSYSV | |
| 147 #define LD_SWITCH_MACHINE | |
| 148 #endif |