| 1 | /* machine description file for hp9000 series 800 machines. |
| 2 | Copyright (C) 1987, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
| 3 | 2008, 2009 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Emacs. |
| 6 | |
| 7 | GNU Emacs is free software: you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation, either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | GNU Emacs is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | |
| 21 | /* The following line tells the configuration script what sort of |
| 22 | operating system this machine is likely to run. |
| 23 | USUAL-OPSYS="hpux" */ |
| 24 | |
| 25 | /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word |
| 26 | is the most significant byte. */ |
| 27 | |
| 28 | #define WORDS_BIG_ENDIAN |
| 29 | |
| 30 | /* Define NO_ARG_ARRAY if you cannot take the address of the first of a |
| 31 | * group of arguments and treat it as an array of the arguments. */ |
| 32 | |
| 33 | #define NO_ARG_ARRAY |
| 34 | |
| 35 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend |
| 36 | the bit field into an int. In other words, if bit fields |
| 37 | are always unsigned. |
| 38 | |
| 39 | This flag only matters if you use USE_LISP_UNION_TYPE. */ |
| 40 | |
| 41 | #define EXPLICIT_SIGN_EXTEND |
| 42 | |
| 43 | \f |
| 44 | /* Common definitions for HPUX and GNU/Linux. */ |
| 45 | |
| 46 | #if defined (__hpux) || defined (GNU_LINUX) |
| 47 | |
| 48 | /* Define NO_REMAP if memory segmentation makes it not work well |
| 49 | to change the boundary between the text section and data section |
| 50 | when Emacs is dumped. If you define this, the preloaded Lisp |
| 51 | code will not be sharable; but that's better than failing completely. */ |
| 52 | |
| 53 | #define NO_REMAP |
| 54 | |
| 55 | #endif /* __hpux or GNU_LINUX */ |
| 56 | \f |
| 57 | /* Stuff for just GNU/Linux. */ |
| 58 | |
| 59 | #ifdef GNU_LINUX |
| 60 | |
| 61 | /* Data type of load average, as read out of kmem. */ |
| 62 | |
| 63 | #define LOAD_AVE_TYPE long |
| 64 | |
| 65 | /* Convert that into an integer that is 100 for a load average of 1.0 */ |
| 66 | |
| 67 | #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) |
| 68 | |
| 69 | #endif /* GNU_LINUX */ |
| 70 | \f |
| 71 | /* Stuff for just HPUX. */ |
| 72 | |
| 73 | #ifdef __hpux |
| 74 | |
| 75 | /* Define VIRT_ADDR_VARIES if the virtual addresses of |
| 76 | pure and impure space as loaded can vary, and even their |
| 77 | relative order cannot be relied on. |
| 78 | |
| 79 | Otherwise Emacs assumes that text space precedes data space, |
| 80 | numerically. */ |
| 81 | |
| 82 | #define VIRT_ADDR_VARIES |
| 83 | \f |
| 84 | /* the data segment on this machine always starts at address 0x40000000. */ |
| 85 | |
| 86 | #define DATA_SEG_BITS 0x40000000 |
| 87 | |
| 88 | #define DATA_START 0x40000000 |
| 89 | #define TEXT_START 0x00000000 |
| 90 | |
| 91 | /* This machine requires completely different unexec code |
| 92 | which lives in a separate file. Specify the file name. */ |
| 93 | |
| 94 | #define UNEXEC unexhp9k800.o |
| 95 | |
| 96 | #define LIBS_MACHINE |
| 97 | #define LIBS_DEBUG |
| 98 | |
| 99 | /* Include the file bsdtty.h, since this machine has job control. */ |
| 100 | #define NEED_BSDTTY |
| 101 | |
| 102 | /* Data type of load average, as read out of kmem. */ |
| 103 | |
| 104 | #define LOAD_AVE_TYPE double |
| 105 | |
| 106 | /* Convert that into an integer that is 100 for a load average of 1.0 */ |
| 107 | |
| 108 | #define LOAD_AVE_CVT(x) ((int) (x * 100.0)) |
| 109 | |
| 110 | /* The symbol in the kernel where the load average is found |
| 111 | is named _avenrun. At this time there are two major flavors |
| 112 | of hp-ux (there is the s800 and s300 (s200) flavors). The |
| 113 | differences are thusly moved to the corresponding machine description file. |
| 114 | */ |
| 115 | |
| 116 | /* no underscore please */ |
| 117 | #define LDAV_SYMBOL "avenrun" |
| 118 | |
| 119 | /* On USG systems these have different names. */ |
| 120 | |
| 121 | #define index strchr |
| 122 | #define rindex strrchr |
| 123 | |
| 124 | #endif /* __hpux */ |
| 125 | \f |
| 126 | /* Systems with GCC don't need to lose. */ |
| 127 | #ifdef __NetBSD__ |
| 128 | # ifdef __GNUC__ |
| 129 | # define alloca __builtin_alloca |
| 130 | # define HAVE_ALLOCA |
| 131 | # endif /* __GNUC__ */ |
| 132 | #endif /* __NetBSD__ */ |
| 133 | |
| 134 | /* arch-tag: 809436e6-1645-4b92-b40d-2de5d6e7227c |
| 135 | (do not change this comment) */ |