Use -gcoff instead of -g in CFLAGS, for those who
[emacs.git] / src / m / sr2k.h
blobe735668679a57a961514bfc79b4d2745213f6b7e
1 /* machine description file for Hitachi SR2001/SR2201 machines.
2 Copyright (C) 1996 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
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 2, or (at your option)
9 any later version.
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.
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, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
22 /* The following line tells the configuration script what sort of
23 operating system this machine is likely to run.
24 USUAL-OPSYS="hpux" */
26 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
27 is the most significant byte. */
29 #define WORDS_BIG_ENDIAN
31 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
32 * group of arguments and treat it as an array of the arguments. */
34 #define NO_ARG_ARRAY
36 /* Define WORD_MACHINE if addresses and such have
37 * to be corrected before they can be used as byte counts. */
39 #undef WORD_MACHINE
41 /* Now define a symbol for the cpu type, if your compiler
42 does not define it automatically:
43 Ones defined so far include vax, m68000, ns16000, pyramid,
44 orion, tahoe, APOLLO and many others */
45 #ifndef hp9000s800
46 # define hp9000s800
47 #endif
49 /* Use type int rather than a union, to represent Lisp_Object */
50 /* This is desirable for most machines. */
52 #define NO_UNION_TYPE
54 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
55 the bit field into an int. In other words, if bit fields
56 are always unsigned.
58 If you use NO_UNION_TYPE, this flag does not matter. */
60 #define EXPLICIT_SIGN_EXTEND
62 /* The standard definitions of these macros would work ok,
63 but these are faster because the constants are short. */
66 #define XUINT(a) (((unsigned)(a) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS)
68 #define XSET(var, type, ptr) \
69 ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS))
71 #define XMARKBIT(a) ((a) < 0)
72 #define XSETMARKBIT(a,b) ((a) = ((b) ? (a)|MARKBIT : (a) & ~MARKBIT))
74 #if 0 /* Loses when sign bit of type field is set. */
75 #define XUNMARK(a) ((a) = (((a) << BITS_PER_INT-GCTYPEBITS-VALBITS) >> BITS_PER_INT-GCTYPEBITS-VALBITS))
76 #endif
78 /* Define the BSTRING functions in terms of the sysV functions. */
79 /* On HPUX 8.05, including types.h can include strings.h
80 which declares these as functions. Hence the #ifndef. */
82 #ifndef HAVE_BCOPY
83 #define bcopy(a,b,s) memcpy (b,a,s)
84 #define bzero(a,s) memset (a,0,s)
85 #define bcmp memcmp
86 #endif
88 /* #ifdef __hpux */
89 /* Now define a symbol for the cpu type, if your compiler
90 does not define it automatically:
91 Ones defined so far include vax, m68000, ns16000, pyramid,
92 orion, tahoe, APOLLO and many others */
94 #ifndef hp9000s800
95 # define hp9000s800
96 #endif
99 /* Data type of load average, as read out of kmem. */
101 #define LOAD_AVE_TYPE double
103 /* Convert that into an integer that is 100 for a load average of 1.0 */
105 #define LOAD_AVE_CVT(x) ((int) (x * 100.0))
108 /* Define CANNOT_DUMP on machines where unexec does not work.
109 Then the function dump-emacs will not be defined
110 and temacs will do (load "loadup") automatically unless told otherwise. */
112 #undef CANNOT_DUMP
114 /* Define VIRT_ADDR_VARIES if the virtual addresses of
115 pure and impure space as loaded can vary, and even their
116 relative order cannot be relied on.
118 Otherwise Emacs assumes that text space precedes data space,
119 numerically. */
121 #define VIRT_ADDR_VARIES
123 /* Define C_ALLOCA if this machine does not support a true alloca
124 and the one written in C should be used instead.
125 Define HAVE_ALLOCA to say that the system provides a properly
126 working alloca function and it should be used.
127 Define neither one if an assembler-language alloca
128 in the file alloca.s should be used. */
130 #define C_ALLOCA
131 /* #define HAVE_ALLOCA */
133 /* the data segment on this machine always starts at address 0x40000000. */
135 #define DATA_SEG_BITS 0x40000000
137 #define DATA_START 0x40000000
138 #define TEXT_START 0x00000000
140 #define STACK_DIRECTION 1
142 /* Define NO_REMAP if memory segmentation makes it not work well
143 to change the boundary between the text section and data section
144 when Emacs is dumped. If you define this, the preloaded Lisp
145 code will not be sharable; but that's better than failing completely. */
147 #define NO_REMAP
149 /* This machine requires completely different unexec code
150 which lives in a separate file. Specify the file name. */
152 #define UNEXEC unexhp9k800.o
154 #define LIBS_MACHINE
155 #define LIBS_DEBUG
157 /* Include the file bsdtty.h, since this machine has job control. */
158 /* #define NEED_BSDTTY */
160 /* The symbol in the kernel where the load average is found
161 is named _avenrun. At this time there are two major flavors
162 of hp-ux (there is the s800 and s300 (s200) flavors). The
163 differences are thusly moved to the corresponding machine description file.
166 /* no underscore please */
167 #define LDAV_SYMBOL "avenrun"
169 #if 0 /* Supposedly no longer true. */
170 /* In hpux, for unknown reasons, S_IFLNK is defined even though
171 symbolic links do not exist.
172 Make sure our conditionals based on S_IFLNK are not confused.
174 Here we assume that stat.h is included before config.h
175 so that we can override it here. */
177 #undef S_IFLNK
178 #endif
180 /* On USG systems these have different names. */
182 #define index strchr
183 #define rindex strrchr
185 /* #endif */