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1 /* machine description file for ibm ps/2 aix386.
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2 Copyright (C) 1989 Free Software Foundation, Inc.
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3
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4 This file is part of GNU Emacs.
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5
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6 GNU Emacs is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2, or (at your option)
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9 any later version.
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10
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11 GNU Emacs is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 19.31. */
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22
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23 /* The following line tells the configuration script what sort of
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24 operating system this machine is likely to run.
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25 USUAL-OPSYS="note"
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26
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27 NOTE-START
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28 Use -opsystem=usg5-3 on AIX 1.2.
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29 -opsystem=usg5-2-2 should work on either AIX 1.1 or 1.2, but may not
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30 work with certain new X window managers, and may be suboptimal.
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31 NOTE-END */
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32
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33 /* Define WORD_MACHINE if addresses and such have
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34 * to be corrected before they can be used as byte counts. */
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35
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36 /* #define WORD_MACHINE */
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37
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38 /* Now define a symbol for the cpu type, if your compiler
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39 does not define it automatically:
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40 Ones defined so far include vax, m68000, ns16000, pyramid,
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41 orion, tahoe, APOLLO and many others */
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42
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43 #define INTEL386
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44 #define aix386
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45
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46 #define IBMAIX
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47
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48 /* crt0.c, if it is used, should use the i386-bsd style of entry.
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49 with no extra dummy args. On USG and XENIX,
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50 NO_REMAP says this isn't used. */
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51
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52 #define CRT0_DUMMIES bogus_fp,
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53
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54 /* crt0.c should define a symbol `start' and do .globl with a dot. */
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55
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56 #define DOT_GLOBAL_START
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57
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58 /* USG systems do not actually support the load average,
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59 so disable it for them. */
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60
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61 /* Define CANNOT_DUMP on machines where unexec does not work.
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62 Then the function dump-emacs will not be defined
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63 and temacs will do (load "loadup") automatically unless told otherwise. */
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64
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65 /* #define CANNOT_DUMP */
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66
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67 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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68 pure and impure space as loaded can vary, and even their
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69 relative order cannot be relied on.
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70
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71 Otherwise Emacs assumes that text space precedes data space,
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72 numerically. */
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73
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74 /* #define VIRT_ADDR_VARIES */
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75
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76 /* Define addresses, macros, change some setup for dump */
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77
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78 #define NO_REMAP
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79
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80 #ifdef USG5_3
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81 #define TEXT_START 0x00000000
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82 #else
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83 #define TEXT_START 0x00400000
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84 #define TEXT_END 0
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85 #define DATA_START 0x00800000
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86 #define DATA_END 0
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87
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88 /* The data segment in this machine always starts at address 0x00800000.
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89 An address of data cannot be stored correctly in a Lisp object;
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90 we always lose the high bits. We must tell XPNTR to add them back. */
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91
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92 #define DATA_SEG_BITS 0x00800000
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93 #endif
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94
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95 #if 0 /* I refuse to promulgate a recommendation that would make
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96 users unable to debug - RMS. */
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97 /* delete the following line to foil optimization, enable debugging */
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163
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98 #define C_DEBUG_SWITCH "-O"
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0
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99 #endif
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100
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101 /* Send signals to subprocesses by "typing" special chars at them. */
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102
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103 #define SIGNALS_VIA_CHARACTERS
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104
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105 /* AIX utimes allegedly causes SIGSEGV. */
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106 #undef HAVE_UTIMES /* override configuration decision */
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107
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108 /* Data type of load average, as read out of kmem. */
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109
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110 #define LOAD_AVE_TYPE long /* For AIX (sysV) */
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111
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112 /* Convert that into an integer that is 100 for a load average of 1.0 */
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113
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114 #define LOAD_AVE_CVT(x) (int) (((double) (x)/65535.0) * 100.0)
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115
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116 /* This page was added in June 1990. It may be incorrect for some versions
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117 of aix, so delete it if it causes trouble. */
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118
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119 /* AIX386 has BSD4.3 PTYs */
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120
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121 #define HAVE_PTYS
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122
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123 /* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */
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124
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125 /* Specify the font for X to use. */
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126
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127 #define X_DEFAULT_FONT "8x13"
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128
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129
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130 /* sioctl.h should not be included, says bytheway@cs.utah.edu. */
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131 #undef NEED_SIOCTL
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132 /* I'm guessing that that means it doesn't want ptem.h either. */
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133 #undef NEED_PTEM_H
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134
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135 /* Here override various assumptions in ymakefile */
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136
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137 /* Define C_ALLOCA if this machine does not support a true alloca
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138 and the one written in C should be used instead.
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139 Define HAVE_ALLOCA to say that the system provides a properly
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140 working alloca function and it should be used.
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141 Define neither one if an assembler-language alloca
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142 in the file alloca.s should be used. */
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143
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144 #ifdef __GNUC__
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145 #define HAVE_ALLOCA
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146 #define alloca(n) __builtin_alloca(n)
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147 #if __GNUC__ < 2
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163
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148 #define LIB_STANDARD "/usr/local/lib/gcc-gnulib -lbsd -lrts -lc "
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149 #endif
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150 /* -g fails to work, so it is omitted. */
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151 /* tranle says that -fstrength-reduce does not help. */
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152 #define C_DEBUG_SWITCH
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153 #else
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154 #define C_ALLOCA
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155 #define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
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163
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156 #define LIBS_MACHINE "-lbsd -lrts"
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0
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157 #endif
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158
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163
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159 #define OBJECTS_MACHINE "hftctl.o"
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160 #define LD_SWITCH_MACHINE "-T0x00400000 -K -e start"
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161 #define LIBS_DEBUG /* no -lg on aix ps/2 */
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162
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163 #ifdef USG5_3
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164 #define XICCC
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165 #undef LD_SWITCH_MACHINE
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163
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166 #define LD_SWITCH_MACHINE "-T0x0 -K -e start"
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0
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167
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168 /* Things defined in s-usg5-3.h that need to be overridden. */
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169 #undef BROKEN_TIOCGETC
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170 #undef BROKEN_TIOCGWINSZ
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171 #undef LIBX10_SYSTEM
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172 #undef LIBX11_SYSTEM
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173 #undef LIB_X11_LIB
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174 #endif
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175
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176 /* Shared libraries are supported in a patch release of ps/2 1.2.1.
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177 If the system has them, the user can turn them on, and this code
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178 will make them work. */
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179 #define USG_SHARED_LIBRARIES /* Assume that by 19's release everyone has this. */
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180
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181 #ifdef USG_SHARED_LIBRARIES
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182 #define ORDINARY_LINK
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183 #undef LIB_STANDARD
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184 #undef LD_SWITCH_MACHINE
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185 #if __GNUC__ > 1
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163
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186 #define LD_SWITCH_MACHINE "-shlib"
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187 #endif
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188 #endif
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