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Annotation of GNUtools/emacs/src/m-ibmps2-aix.h, revision 1.1

1.1     ! root        1: /* m- file for ibm ps/2 aix386.
        !             2:    Copyright (C) 1989 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 1, 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 GNU Emacs; see the file COPYING.  If not, write to
        !            18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: 
        !            21: /* The following three symbols give information on
        !            22:  the size of various data types.  */
        !            23: 
        !            24: #define SHORTBITS 16           /* Number of bits in a short */
        !            25: 
        !            26: #define INTBITS 32             /* Number of bits in an int */
        !            27: 
        !            28: #define LONGBITS 32            /* Number of bits in a long */
        !            29: 
        !            30: /* i386 is not big-endian: lowest numbered byte is least significant. */
        !            31: 
        !            32: /* #undef BIG_ENDIAN */
        !            33: 
        !            34: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            35:  * group of arguments and treat it as an array of the arguments.  */
        !            36: 
        !            37: /* #define NO_ARG_ARRAY */
        !            38: 
        !            39: /* Define WORD_MACHINE if addresses and such have
        !            40:  * to be corrected before they can be used as byte counts.  */
        !            41: 
        !            42: /* #define WORD_MACHINE */
        !            43: 
        !            44: /* Define how to take a char and sign-extend into an int.
        !            45:    On machines where char is signed, this is a no-op.  */
        !            46: 
        !            47: #define SIGN_EXTEND_CHAR(c) ((signed char)(c))
        !            48: 
        !            49: /* Now define a symbol for the cpu type, if your compiler
        !            50:    does not define it automatically:
        !            51:    Ones defined so far include vax, m68000, ns16000, pyramid,
        !            52:    orion, tahoe, APOLLO and many others */
        !            53: 
        !            54: #define INTEL386
        !            55: #define aix386
        !            56: #undef  SYSTEM_TYPE
        !            57: #define SYSTEM_TYPE "ibm-aix-386"
        !            58: 
        !            59: /* Use type int rather than a union, to represent Lisp_Object */
        !            60: 
        !            61: #define NO_UNION_TYPE
        !            62: 
        !            63: /* crt0.c, if it is used, should use the i386-bsd style of entry.
        !            64:    with no extra dummy args.  On USG and XENIX,
        !            65:    NO_REMAP says this isn't used. */
        !            66: 
        !            67: #define CRT0_DUMMIES bogus_fp,
        !            68: 
        !            69: /* crt0.c should define a symbol `start' and do .globl with a dot.  */
        !            70: 
        !            71: #define DOT_GLOBAL_START
        !            72: 
        !            73: /* USG systems do not actually support the load average,
        !            74: so disable it for them.  */
        !            75: 
        !            76: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            77:    Then the function dump-emacs will not be defined
        !            78:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            79: 
        !            80: /* #define CANNOT_DUMP */
        !            81: 
        !            82: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !            83:    pure and impure space as loaded can vary, and even their
        !            84:    relative order cannot be relied on.
        !            85: 
        !            86:    Otherwise Emacs assumes that text space precedes data space,
        !            87:    numerically.  */
        !            88: 
        !            89: /* #define VIRT_ADDR_VARIES */
        !            90: 
        !            91: /* Define addresses, macros, change some setup for dump */
        !            92: 
        !            93: #define NO_REMAP
        !            94: #undef static
        !            95:   /* Since NO_REMAP, problem with statics doesn't exist */
        !            96: 
        !            97: #ifdef USG5_3
        !            98: #define TEXT_START 0x00000000
        !            99: #else
        !           100: #define TEXT_START 0x00400000
        !           101: #define TEXT_END 0
        !           102: #define DATA_START 0x00800000
        !           103: #define DATA_END 0
        !           104: 
        !           105: /* The data segment in this machine always starts at address 0x00800000.
        !           106:    An address of data cannot be stored correctly in a Lisp object;
        !           107:    we always lose the high bits.  We must tell XPNTR to add them back.  */
        !           108: 
        !           109: #define DATA_SEG_BITS 0x00800000
        !           110: #endif
        !           111: 
        !           112: #if 0 /* I refuse to promulgate a recommendation that would make
        !           113:          users unable to debug - RMS.  */
        !           114: /* delete the following line to foil optimization, enable debugging */
        !           115: #define C_DEBUG_SWITCH -O
        !           116: #endif
        !           117: 
        !           118: #define BSTRING
        !           119: #define HAVE_DUP2
        !           120: #define HAVE_GETTIMEOFDAY
        !           121: #define HAVE_SELECT
        !           122: #define HAVE_TIMEVAL
        !           123: #define HAVE_VFORK
        !           124: #define HAVE_SETSID
        !           125: #define HAVE_TCATTR
        !           126: 
        !           127: /*
        !           128:  *     Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
        !           129:  *     library functions.  Almost, but not quite the same as
        !           130:  *     the 4.2 functions
        !           131:  */
        !           132: #define SYSV_SYSTEM_DIR
        !           133: #define HAVE_CLOSEDIR  /* This system, unlike ordinary SYSV, has closedir.  */
        !           134: 
        !           135: /*
        !           136:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !           137:  *      The 4.2 opendir, etc., library functions.
        !           138:  */
        !           139: #undef  NONSYSTEM_DIR_LIBRARY
        !           140: 
        !           141: /* But don't use utimes() -- it causes SIGSEGV!  Use utime() instead. */
        !           142: #define USE_UTIME
        !           143: 
        !           144: /* AIX defines FIONREAD, but it does not work.  */
        !           145: #define BROKEN_FIONREAD
        !           146: 
        !           147: /* This page was added in June 1990.  It may be incorrect for some versions
        !           148:    of aix, so delete it if it causes trouble.  */
        !           149: 
        !           150: /* AIX has sigsetmask() */
        !           151: #undef sigsetmask
        !           152: 
        !           153: /* AIX386 has BSD4.3 PTYs */
        !           154: 
        !           155: #define HAVE_PTYS
        !           156: 
        !           157: /* AIX has IPC. It also has sockets, and either can be used for client/server.
        !           158:    I would suggest the client/server code be changed to use HAVE_SOCKETS rather
        !           159:    than BSD as the conditional if sockets provide any advantages. */
        !           160: 
        !           161: #define HAVE_SYSVIPC
        !           162: 
        !           163: /* AIX has sockets */
        !           164: 
        !           165: #define HAVE_SOCKETS
        !           166: /* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */
        !           167: 
        !           168: /* Specify the font for X to use.  */
        !           169: 
        !           170: #define X_DEFAULT_FONT "8x13"
        !           171: 
        !           172: /* AIX has a wait.h.  */
        !           173: 
        !           174: #define HAVE_WAIT_HEADER
        !           175: 
        !           176: /* Data type of load average, as read out of kmem.  */
        !           177: 
        !           178: #define LOAD_AVE_TYPE long     /* For AIX (sysV) */
        !           179: 
        !           180: /* Convert that into an integer that is 100 for a load average of 1.0  */
        !           181: 
        !           182: #define LOAD_AVE_CVT(x) (int) (((double) (x)/65535.0) * 100.0)
        !           183: 
        !           184: /* Here override various assumptions in ymakefile */
        !           185: 
        !           186: /* Define C_ALLOCA if this machine does not support a true alloca
        !           187:    and the one written in C should be used instead.
        !           188:    Define HAVE_ALLOCA to say that the system provides a properly
        !           189:    working alloca function and it should be used.
        !           190:    Define neither one if an assembler-language alloca
        !           191:    in the file alloca.s should be used.  */
        !           192: 
        !           193: #ifdef __GNUC__
        !           194: #define HAVE_ALLOCA
        !           195: #define alloca(n) __builtin_alloca(n)
        !           196: #if __GNUC__ < 2
        !           197: #define LIB_STANDARD /usr/local/lib/gcc-gnulib -lc 
        !           198: #endif
        !           199: /* -g fails to work, so it is omitted.  */
        !           200: /* tranle says that -fstrength-reduce does not help.  */
        !           201: #define C_DEBUG_SWITCH -O
        !           202: #else
        !           203: #define C_ALLOCA
        !           204: #define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
        !           205: #define LIBS_MACHINE -lbsd -lrts
        !           206: #endif
        !           207: 
        !           208: #define OBJECTS_MACHINE hftctl.o
        !           209: #define LD_SWITCH_MACHINE -T0x00400000 -K -e start
        !           210: 
        !           211: #ifdef USG5_3
        !           212: #define XICCC
        !           213: #define HAVE_GETWD
        !           214: #define HAVE_RENAME
        !           215: #undef LD_SWITCH_MACHINE
        !           216: #define LD_SWITCH_MACHINE -T0x0 -K -e start
        !           217: 
        !           218: /* Things defined in s-usg5-3.h that need to be overridden.  */
        !           219: #undef NOMULTIPLEJOBS
        !           220: #undef BROKEN_TIOCGETC
        !           221: #undef LIBX10_SYSTEM
        !           222: #undef LIBX11_SYSTEM
        !           223: #endif
        !           224: 
        !           225: /* Shared libraries are supported in a patch release of ps/2 1.2.1.
        !           226:    If the system has them, the user can turn them on, and this code
        !           227:    will make them work.  */
        !           228: #ifdef USG_SHARED_LIBRARIES
        !           229: #define ORDINARY_LINK
        !           230: #undef LIB_STANDARD
        !           231: #undef LD_SWITCH_MACHINE
        !           232: #if __GNUC__ > 1
        !           233: #define LD_SWITCH_MACHINE -shlib
        !           234: #endif
        !           235: #endif

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