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cf1aff89 | 1 | /* machine description file for hp9000 series 800 machines. |
eb3d11ef | 2 | Copyright (C) 1987, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
76b6f707 | 3 | 2008, 2009 Free Software Foundation, Inc. |
cf1aff89 CY |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
eb3d11ef | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
cf1aff89 | 8 | it under the terms of the GNU General Public License as published by |
eb3d11ef GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
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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 | |
eb3d11ef | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
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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 | ||
22e9fe24 | 25 | /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word |
cf1aff89 CY |
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 | ||
cf1aff89 CY |
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 | ||
6e5cb96f | 39 | This flag only matters if you use USE_LISP_UNION_TYPE. */ |
cf1aff89 CY |
40 | |
41 | #define EXPLICIT_SIGN_EXTEND | |
42 | ||
cf1aff89 | 43 | \f |
e3fbc89b | 44 | /* Common definitions for HPUX and GNU/Linux. */ |
cf1aff89 | 45 | |
e3fbc89b | 46 | #if defined (__hpux) || defined (GNU_LINUX) |
cf1aff89 | 47 | |
cf1aff89 CY |
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 | ||
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55 | #endif /* __hpux or GNU_LINUX */ |
56 | \f | |
57 | /* Stuff for just GNU/Linux. */ | |
58 | ||
59 | #ifdef GNU_LINUX | |
60 | ||
cf1aff89 CY |
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 | |
e3fbc89b GM |
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 | ||
e3fbc89b GM |
119 | /* On USG systems these have different names. */ |
120 | ||
121 | #define index strchr | |
122 | #define rindex strrchr | |
123 | ||
124 | #endif /* __hpux */ | |
125 | \f | |
cf1aff89 CY |
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) */ |