1 /* m- file for hp9000 series 200 or 300
2    Copyright (C) 1985 Free Software Foundation, Inc.
3 
4 This file is part of GNU Emacs.
5 
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 1, or (at your option)
9 any later version.
10 
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 GNU General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING.  If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
19 
20 
21 
22 /* Define NOMULTIPLEJOBS on versions of HPUX before 6.5.  */
23 
24 /* #define NOMULTIPLEJOBS */
25 
26 /* Define this symbol if you are running a version of HP-UX
27    which predates version 6.01 */
28 
29 /* #define HPUX_5 */
30 
31 /* The following three symbols give information on
32  the size of various data types.  */
33 
34 #define SHORTBITS 16		/* Number of bits in a short */
35 
36 #define INTBITS 32		/* Number of bits in an int */
37 
38 #define LONGBITS 32		/* Number of bits in a long */
39 
40 /* Define BIG_ENDIAN iff lowest-numbered byte in a word
41    is the most significant byte.  */
42 
43 #ifndef BIG_ENDIAN
44 #define BIG_ENDIAN
45 #endif
46 
47 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
48  * group of arguments and treat it as an array of the arguments.  */
49 
50 /* #define NO_ARG_ARRAY */
51 
52 /* Define WORD_MACHINE if addresses and such have
53  * to be corrected before they can be used as byte counts.  */
54 
55 /* #define WORD_MACHINE */
56 
57 /* Define how to take a char and sign-extend into an int.
58    On machines where char is signed, this is a no-op.  */
59 
60 #define SIGN_EXTEND_CHAR(c) (c)
61 
62 /* Now define a symbol for the cpu type, if your compiler
63    does not define it automatically.  */
64 
65 #ifndef hp9000s300
66 #define hp9000s300
67 #endif
68 
69 /* Use type int rather than a union, to represent Lisp_Object */
70 /* This is desirable for most machines.  */
71 
72 #define NO_UNION_TYPE
73 
74 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
75    the 24-bit bit field into an int.  In other words, if bit fields
76    are always unsigned.
77 
78    If you use NO_UNION_TYPE, this flag does not matter.  */
79 
80 #define EXPLICIT_SIGN_EXTEND
81 
82 /* Data type of load average, as read out of kmem.  */
83 
84 #define LOAD_AVE_TYPE double
85 
86 /* Convert that into an integer that is 100 for a load average of 1.0  */
87 
88 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
89 
90 /* Define CANNOT_DUMP on machines where unexec does not work.
91    Then the function dump-emacs will not be defined
92    and temacs will do (load "loadup") automatically unless told otherwise.  */
93 
94 /* #define CANNOT_DUMP */
95 
96 /* Define VIRT_ADDR_VARIES if the virtual addresses of
97    pure and impure space as loaded can vary, and even their
98    relative order cannot be relied on.
99 
100    Otherwise Emacs assumes that text space precedes data space,
101    numerically.  */
102 
103 /* #define VIRT_ADDR_VARIES */
104 
105 /* For University of Utah 4.3bsd and standard 4.4bsd on HP300s.  */
106 
107 #ifdef BSD4_3
108 /* Tell crt0.c that this is an ordinary 68020.  */
109 #undef hp9000s300
110 #define CRT0_DUMMIES		bogus_a6,
111 
112 #define HAVE_ALLOCA
113 
114 #ifndef HAVE_GETLOADAVG
115 #undef LOAD_AVE_TYPE
116 #undef LOAD_AVE_CVT
117 #define LOAD_AVE_TYPE long
118 #define LOAD_AVE_CVT(x) ((int) (((double) (x)) / 2048.0 * 100.0))
119 #endif
120 
121 #endif /* BSD4_3 */
122 
123 #ifndef BSD4_3
124 /* The following definitions are for HPUX only.  */
125 
126 /* The symbol in the kernel where the load average is found
127    is named _avenrun on this machine.  */
128 
129 #define LDAV_SYMBOL "_avenrun"
130 
131 /* This library is needed with -g, on the 200/300 only.  */
132 
133 #if !defined(__GNUC__) || defined(__HPUX_ASM__)
134 #define LIBS_DEBUG /usr/lib/end.o
135 #endif
136 
137 /* The symbol FIONREAD is defined, but the feature does not work
138    on the 200/300.  */
139 
140 #define BROKEN_FIONREAD
141 
142 /* In older versions of hpux, for unknown reasons, S_IFLNK is defined
143    even though symbolic links do not exist.
144    Make sure our conditionals based on S_IFLNK are not confused.
145 
146    Here we assume that stat.h is included before config.h
147    so that we can override it here.
148 
149    Version 6 of HP-UX has symbolic links.  */
150 
151 #ifdef HPUX_5
152 #undef S_IFLNK
153 #endif
154 
155 /* Define the BSTRING functions in terms of the sysV functions.
156    Version 6 of HP-UX supplies these in the BSD library,
157    but that library has reported bugs in `signal'.  */
158 
159 /* #ifdef HPUX_5 */
160 #define bcopy(a,b,s)	memcpy (b,a,s)
161 #define bzero(a,s)	memset (a,0,s)
162 #define bcmp		memcmp
163 /* #endif */
164 
165 /* On USG systems these have different names.
166    Version 6 of HP-UX supplies these in the BSD library,
167    which we currently want to avoid using.  */
168 
169 /* #ifdef HPUX_5 */
170 #define index strchr
171 #define rindex strrchr
172 /* #endif */
173 
174 /* Define C_SWITCH_MACHINE to be +X if you want the s200/300
175  * Emacs to run on both 68010 and 68020 based hp-ux's.
176  *
177  * Define OLD_HP_ASSEMBLER if you have an ancient assembler
178  *
179  * Define HPUX_68010 if you are using the new assembler but
180  * compiling for a s200 (upgraded) or s310.  68010 based
181  * processor without 68881.
182  */
183 
184 /* These switches increase the size of some internal C compiler tables.
185    They are required for compiling the X11 interface files. */
186 
187 #ifndef HPUX_5
188 #ifndef __GNUC__
189 #define C_SWITCH_MACHINE -Wc,-Nd4000,-Ns3000
190 #endif
191 #endif
192 
193 /* Define NEED_BSDTTY if you have such. */
194 
195 #ifndef NOMULTIPLEJOBS
196 #define NEED_BSDTTY
197 #endif
198 
199 #endif /* not BSD4_3 */
200