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comparison src/m/ibmrs6000.h @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children abe6d1db359e
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427:0a0253eac470 428:3ecd8885ac67
1 /* R2 AIX machine/system dependent defines
2 Copyright (C) 1988 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="aix3-1" */
26
27 /* Now define a symbol for the cpu type, if your compiler
28 does not define it automatically. */
29
30 #define IBMR2AIX
31
32 /* Define CANNOT_DUMP on machines where unexec does not work.
33 Then the function dump-emacs will not be defined
34 and temacs will do (load "loadup") automatically unless told otherwise. */
35 #ifdef USG5_4
36 #define CANNOT_DUMP
37 #endif
38
39 #ifndef UNEXEC
40 #define UNEXEC "unexaix.o"
41 #endif
42
43 /* Define addresses, macros, change some setup for dump */
44
45 #define NO_REMAP
46
47 #ifndef USG5_4
48 #define TEXT_START 0x10000000
49 #define TEXT_END 0
50 #define DATA_START 0x20000000
51 #define DATA_END 0
52 #endif
53
54 /* The data segment in this machine always starts at address 0x20000000.
55 An address of data cannot be stored correctly in a Lisp object;
56 we always lose the high bits. We must tell XPNTR to add them back. */
57
58 #ifndef USG5_4
59 #define DATA_SEG_BITS 0x20000000
60 #else
61 #define DATA_SEG_BITS 0
62 #endif
63
64 #ifdef CANNOT_DUMP
65 /* Define shared memory segment symbols */
66
67 #define PURE_SEG_BITS 0x30000000
68
69 /* Use shared memory. */
70 /* This is turned off because it does not always work. See etc/AIX.DUMP. */
71 /* #define HAVE_SHM */
72 #define SHMKEY 5305035 /* used for shared memory code segments */
73 #endif /* CANNOT_DUMP */
74
75 #define N_BADMAG(x) BADMAG(x)
76 #define N_TXTOFF(x) A_TEXTPOS(x)
77 #define N_SYMOFF(x) A_SYMPOS(x)
78 #define A_TEXT_OFFSET(HDR) sizeof(HDR)
79 /* #define ADJUST_EXEC_HEADER \
80 unexec_text_start += sizeof(hdr); \
81 unexec_data_start = ohdr.a_dbase
82 */
83 #undef ADDR_CORRECT
84 #define ADDR_CORRECT(x) ((int)(x))
85
86 /* Define C_ALLOCA if this machine does not support a true alloca
87 and the one written in C should be used instead.
88 Define HAVE_ALLOCA to say that the system provides a properly
89 working alloca function and it should be used.
90 Define neither one if an assembler-language alloca
91 in the file alloca.s should be used. */
92
93 /* Note: aix3-2.h defines HAVE_ALLOCA; aix3-1.h doesn't. */
94 #ifndef HAVE_ALLOCA
95 #define C_ALLOCA
96 #define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
97 #endif
98
99 /* Specify the font for X to use.
100 This used to be Rom14.500; that's nice on the X server shipped with
101 the RS/6000, but it's not available on other servers. */
102 #define X_DEFAULT_FONT "fixed"
103
104 /* Here override various assumptions in ymakefile */
105
106 #ifdef AIXHFT
107 #define OBJECTS_MACHINE "hftctl.o"
108 #endif
109
110 #ifndef USG5_4
111 /* XEmacs change -- commented out: dkeller@vnet.ibm.com */
112 /* #define C_SWITCH_MACHINE -D_BSD */
113 #endif
114
115 #ifdef AIX3_2
116 /* -lpthreads seems to be necessary for Xlib in X11R6, and should be harmless
117 on older versions of X where it happens to exist. */
118 #ifdef HAVE_LIBPTHREADS
119 #define LIBS_MACHINE "-lrts -lIM -liconv -lpthreads"
120 #else
121 /* IBM's X11R5 use -lIM and -liconv in AIX 3.2.2. */
122 #define LIBS_MACHINE "-lrts -lIM -liconv"
123 #endif
124 #else
125 #ifdef USG5_4
126 #define LIBS_MACHINE
127 #else
128 #define LIBS_MACHINE "-lIM"
129 #endif
130 #endif
131
132 #define START_FILES
133
134 /* Don't try to include sioctl.h or ptem.h. */
135 #undef NEED_SIOCTL
136 #undef NEED_PTEM_H
137
138 #define ORDINARY_LINK