428
+ − 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 /* Now define a symbol for the cpu type, if your compiler
+ − 28 does not define it automatically. */
+ − 29 #ifndef convex /* The compiler doesn't always do this. */
+ − 30 #define convex
+ − 31 #endif
+ − 32
+ − 33 #ifndef __GNUC__ /* David M. Cooke <dcooke@haven.larc.nasa.gov>
+ − 34 and Ralph Sobek <Ralph.Sobek@cerfacs.fr> agree
+ − 35 must ignore one arg when compiled with convex compiler. */
+ − 36 #define CRT0_DUMMIES ignore,
+ − 37 #else
+ − 38 #define CRT0_DUMMIES
+ − 39 #endif
+ − 40
+ − 41 /* crt0.c should define a symbol `start' and do .globl with a dot. */
+ − 42
+ − 43 #define DOT_GLOBAL_START
+ − 44
+ − 45 /* Data type of load average, as read out of kmem. */
+ − 46
+ − 47 #define LOAD_AVE_TYPE double
+ − 48
+ − 49 /* Convert that into an integer that is 100 for a load average of 1.0 */
+ − 50
+ − 51 #define LOAD_AVE_CVT(x) (int) ((x) * 100.0)
+ − 52
+ − 53 /* Define CANNOT_DUMP on machines where unexec does not work.
+ − 54 Then the function dump-emacs will not be defined
+ − 55 and temacs will do (load "loadup") automatically unless told otherwise. */
+ − 56
+ − 57 /* #define CANNOT_DUMP */
+ − 58
+ − 59 /* Define C_ALLOCA if this machine does not support a true alloca
+ − 60 and the one written in C should be used instead.
+ − 61 Define HAVE_ALLOCA to say that the system provides a properly
+ − 62 working alloca function and it should be used.
+ − 63 Define neither one if an assembler-language alloca
+ − 64 in the file alloca.s should be used. */
+ − 65
+ − 66 /* #define C_ALLOCA */
+ − 67 #define HAVE_ALLOCA
+ − 68
+ − 69 /* Must use the system's termcap. It does special things. */
+ − 70
+ − 71 #define LIBS_TERMCAP "-ltermcap"
+ − 72
+ − 73 /* Define NO_REMAP if memory segmentation makes it not work well
+ − 74 to change the boundary between the text section and data section
+ − 75 when Emacs is dumped. If you define this, the preloaded Lisp
+ − 76 code will not be sharable; but that's better than failing completely. */
+ − 77
+ − 78 /* #define NO_REMAP */
+ − 79
+ − 80 /* Right shift is logical shift.
+ − 81 And the usual way of handling such machines, which involves
+ − 82 copying the number into sign_extend_temp, does not work
+ − 83 for reasons as yet unknown. */
+ − 84
+ − 85 #define XREALINT(a) sign_extend_lisp_int (a)
+ − 86
+ − 87 /* Convex uses a special version of unexec. */
+ − 88
+ − 89 #define UNEXEC "unexconvex.o"
+ − 90
+ − 91 /* you gotta define 'COFF' for post 6.1 unexec. */
+ − 92
+ − 93 #define COFF
+ − 94 #define TEXT_START 0x80001000
+ − 95
+ − 96 /* Posix stuff for Convex OS 8.1 and up. */
+ − 97
+ − 98 #define LD_SWITCH_MACHINE "-e__start -L /usr/lib '-A__iob=___ap$$iob' '-A_use_libc_sema=___ap$$use_libc_sema'"
+ − 99
+ − 100 #ifdef _POSIX_SOURCE
+ − 101
+ − 102 /* These symbols have been undefined to advance the state of the art. */
+ − 103
+ − 104 #define S_IFMT _S_IFMT
+ − 105 #define S_IFDIR _S_IFDIR
+ − 106
+ − 107 #define S_IREAD _S_IREAD
+ − 108 #define S_IWRITE _S_IWRITE
+ − 109 #define S_IEXEC _S_IEXEC
+ − 110
+ − 111 #endif
+ − 112
+ − 113 /* Ptys may start below ptyp0; call a routine to hunt for where. */
+ − 114
+ − 115 #undef FIRST_PTY_LETTER
+ − 116 #define FIRST_PTY_LETTER first_pty_letter()
+ − 117
+ − 118 #if 0
+ − 119 /*
+ − 120 * Force a K&R compilation and libraries with the Convex V 4.0 C compiler
+ − 121 */
+ − 122 #define C_SWITCH_MACHINE "-pcc"
+ − 123 #define LIB_STANDARD "-lc_old"
+ − 124 #define LIBS_MACHINE "-lC2_old"
+ − 125 #define LD_SWITCH_MACHINE "-X -NL -fn -Enoposix -A__iob=___ap\$$iob -A_use_libc_sema=___ap\$$use_libc_sema -L /usr/lib"
+ − 126 #endif
+ − 127
+ − 128 /* Avoid error in xrdb.c - d.m.cooke@larc.nasa.gov. */
+ − 129 #define DECLARE_GETPWUID_WITH_UID_T
+ − 130
+ − 131 /* Tested for both Convex C and GNUC by d.m.cooke@larc.nasa.gov. */
+ − 132 #define LIBS_MACHINE "-lC2"
+ − 133
+ − 134 /* Avoid error in getloadavg.c. */
+ − 135 #define NLIST_NAME_UNION 1
+ − 136
+ − 137 #if 0 /* This is supposed to be an improvement.
+ − 138 It would be good for people to try enabling this code
+ − 139 and report the results. */
+ − 140 /* gcc -nostdlib prevents some math symbols from being included.
+ − 141 So we have to use -nostartfiles instead. */
+ − 142 #define LINKER "$(CC) -nostartfiles"
+ − 143
+ − 144 #define ORDINARY_LINK
+ − 145
+ − 146 #undef LD_SWITCH_MACHINE
+ − 147 #define LD_SWITCH_MACHINE "-L /usr/lib '-A__iob=___ap$$iob' '-A_use_libc_sema=___ap$$use_libc_sema'"
+ − 148 #endif
