|
0
|
1 /* machine description file for Convex (all models).
|
|
|
2 Copyright (C) 1987, 1994 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 2, 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 XEmacs; 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. */
|
|
|
20
|
|
|
21 /* Synched up with: FSF 19.31. */
|
|
|
22
|
|
|
23 /* The following line tells the configuration script what sort of
|
|
|
24 operating system this machine is likely to run.
|
|
|
25 USUAL-OPSYS="bsd4-3" */
|
|
|
26
|
|
|
27 /* Define WORD_MACHINE if addresses and such have
|
|
|
28 * to be corrected before they can be used as byte counts. */
|
|
|
29
|
|
|
30 /* #define WORD_MACHINE */
|
|
|
31
|
|
|
32 /* Now define a symbol for the cpu type, if your compiler
|
|
|
33 does not define it automatically. */
|
|
|
34 #ifndef convex /* The compiler doesn't always do this. */
|
|
|
35 #define convex
|
|
|
36 #endif
|
|
|
37
|
|
|
38 #ifndef __GNUC__ /* David M. Cooke <dcooke@haven.larc.nasa.gov>
|
|
|
39 and Ralph Sobek <Ralph.Sobek@cerfacs.fr> agree
|
|
|
40 must ignore one arg when compiled with convex compiler. */
|
|
|
41 #define CRT0_DUMMIES ignore,
|
|
|
42 #else
|
|
|
43 #define CRT0_DUMMIES
|
|
|
44 #endif
|
|
|
45
|
|
|
46 /* crt0.c should define a symbol `start' and do .globl with a dot. */
|
|
|
47
|
|
|
48 #define DOT_GLOBAL_START
|
|
|
49
|
|
|
50 /* Data type of load average, as read out of kmem. */
|
|
|
51
|
|
|
52 #define LOAD_AVE_TYPE double
|
|
|
53
|
|
|
54 /* Convert that into an integer that is 100 for a load average of 1.0 */
|
|
|
55
|
|
|
56 #define LOAD_AVE_CVT(x) (int) ((x) * 100.0)
|
|
|
57
|
|
|
58 /* Define CANNOT_DUMP on machines where unexec does not work.
|
|
|
59 Then the function dump-emacs will not be defined
|
|
|
60 and temacs will do (load "loadup") automatically unless told otherwise. */
|
|
|
61
|
|
|
62 /* #define CANNOT_DUMP */
|
|
|
63
|
|
|
64 /* Define VIRT_ADDR_VARIES if the virtual addresses of
|
|
|
65 pure and impure space as loaded can vary, and even their
|
|
|
66 relative order cannot be relied on.
|
|
|
67
|
|
|
68 Otherwise Emacs assumes that text space precedes data space,
|
|
|
69 numerically. */
|
|
|
70
|
|
|
71 /*#define VIRT_ADDR_VARIES*/
|
|
|
72
|
|
|
73 /* Define C_ALLOCA if this machine does not support a true alloca
|
|
|
74 and the one written in C should be used instead.
|
|
|
75 Define HAVE_ALLOCA to say that the system provides a properly
|
|
|
76 working alloca function and it should be used.
|
|
|
77 Define neither one if an assembler-language alloca
|
|
|
78 in the file alloca.s should be used. */
|
|
|
79
|
|
|
80 /* #define C_ALLOCA */
|
|
|
81 #define HAVE_ALLOCA
|
|
|
82
|
|
|
83 /* Must use the system's termcap. It does special things. */
|
|
|
84
|
|
163
|
85 #define LIBS_TERMCAP "-ltermcap"
|
|
0
|
86
|
|
|
87 /* Define NO_REMAP if memory segmentation makes it not work well
|
|
|
88 to change the boundary between the text section and data section
|
|
|
89 when Emacs is dumped. If you define this, the preloaded Lisp
|
|
|
90 code will not be sharable; but that's better than failing completely. */
|
|
|
91
|
|
|
92 /* #define NO_REMAP */
|
|
|
93
|
|
|
94 /* Addresses on the Convex have the high bit set. */
|
|
|
95 #define DATA_SEG_BITS (1 << (INTBITS-1))
|
|
|
96
|
|
|
97 /* Right shift is logical shift.
|
|
|
98 And the usual way of handling such machines, which involves
|
|
|
99 copying the number into sign_extend_temp, does not work
|
|
|
100 for reasons as yet unknown. */
|
|
|
101
|
|
|
102 #define XREALINT(a) sign_extend_lisp_int (a)
|
|
|
103
|
|
|
104 /* Convex uses a special version of unexec. */
|
|
|
105
|
|
163
|
106 #define UNEXEC "unexconvex.o"
|
|
0
|
107
|
|
|
108 /* you gotta define 'COFF' for post 6.1 unexec. */
|
|
|
109
|
|
|
110 #define COFF
|
|
|
111 #define TEXT_START 0x80001000
|
|
|
112
|
|
|
113 /* Posix stuff for Convex OS 8.1 and up. */
|
|
|
114
|
|
163
|
115 #define LD_SWITCH_MACHINE "-e__start -L /usr/lib '-A__iob=___ap$$iob' '-A_use_libc_sema=___ap$$use_libc_sema'"
|
|
0
|
116
|
|
|
117 #ifdef _POSIX_SOURCE
|
|
|
118
|
|
|
119 /* These symbols have been undefined to advance the state of the art. */
|
|
|
120
|
|
|
121 #define S_IFMT _S_IFMT
|
|
|
122 #define S_IFDIR _S_IFDIR
|
|
|
123
|
|
|
124 #define S_IREAD _S_IREAD
|
|
|
125 #define S_IWRITE _S_IWRITE
|
|
|
126 #define S_IEXEC _S_IEXEC
|
|
|
127
|
|
|
128 #endif
|
|
|
129
|
|
|
130 /* Ptys may start below ptyp0; call a routine to hunt for where. */
|
|
|
131
|
|
|
132 #undef FIRST_PTY_LETTER
|
|
|
133 #define FIRST_PTY_LETTER first_pty_letter()
|
|
|
134
|
|
|
135 #if 0
|
|
|
136 /*
|
|
|
137 * Force a K&R compilation and libraries with the Convex V 4.0 C compiler
|
|
|
138 */
|
|
163
|
139 #define C_SWITCH_MACHINE "-pcc"
|
|
|
140 #define LIB_STANDARD "-lc_old"
|
|
|
141 #define LIBS_MACHINE "-lC2_old"
|
|
|
142 #define LD_SWITCH_MACHINE "-X -NL -fn -Enoposix -A__iob=___ap\$$iob -A_use_libc_sema=___ap\$$use_libc_sema -L /usr/lib"
|
|
0
|
143 #endif
|
|
|
144
|
|
|
145 /* Avoid error in xrdb.c - d.m.cooke@larc.nasa.gov. */
|
|
|
146 #define DECLARE_GETPWUID_WITH_UID_T
|
|
|
147
|
|
|
148 /* Tested for both Convex C and GNUC by d.m.cooke@larc.nasa.gov. */
|
|
163
|
149 #define LIBS_MACHINE "-lC2"
|
|
0
|
150
|
|
|
151 /* Avoid error in getloadavg.c. */
|
|
|
152 #define NLIST_NAME_UNION 1
|
|
|
153
|
|
|
154 #if 0 /* This is supposed to be an improvement.
|
|
|
155 It would be good for people to try enabling this code
|
|
|
156 and report the results. */
|
|
|
157 /* gcc -nostdlib prevents some math symbols from being included.
|
|
|
158 So we have to use -nostartfiles instead. */
|
|
163
|
159 #define LINKER "$(CC) -nostartfiles"
|
|
0
|
160
|
|
|
161 #define ORDINARY_LINK
|
|
|
162
|
|
|
163 #undef LD_SWITCH_MACHINE
|
|
163
|
164 #define LD_SWITCH_MACHINE "-L /usr/lib '-A__iob=___ap$$iob' '-A_use_libc_sema=___ap$$use_libc_sema'"
|
|
0
|
165 #endif
|
