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Annotation of 43BSDReno/contrib/emacs-18.55/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 distributed in the hope that it will be useful,
        !             7: but WITHOUT ANY WARRANTY.  No author or distributor
        !             8: accepts responsibility to anyone for the consequences of using it
        !             9: or for whether it serves any particular purpose or works at all,
        !            10: unless he says so in writing.  Refer to the GNU Emacs General Public
        !            11: License for full details.
        !            12: 
        !            13: Everyone is granted permission to copy, modify and redistribute
        !            14: GNU Emacs, but only under the conditions described in the
        !            15: GNU Emacs General Public License.   A copy of this license is
        !            16: supposed to have been given to you along with GNU Emacs so you
        !            17: can know your rights and responsibilities.  It should be in a
        !            18: file named COPYING.  Among other things, the copyright notice
        !            19: and this notice must be preserved on all copies.  */
        !            20: 
        !            21: 
        !            22: /* The following three symbols give information on
        !            23:  the size of various data types.  */
        !            24: 
        !            25: #define SHORTBITS 16           /* Number of bits in a short */
        !            26: 
        !            27: #define INTBITS 32             /* Number of bits in an int */
        !            28: 
        !            29: #define LONGBITS 32            /* Number of bits in a long */
        !            30: 
        !            31: /* i386 is not big-endian: lowest numbered byte is least significant. */
        !            32: 
        !            33: /* #undef BIG_ENDIAN */
        !            34: 
        !            35: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
        !            36:  * group of arguments and treat it as an array of the arguments.  */
        !            37: 
        !            38: /* #define NO_ARG_ARRAY */
        !            39: 
        !            40: /* Define WORD_MACHINE if addresses and such have
        !            41:  * to be corrected before they can be used as byte counts.  */
        !            42: 
        !            43: /* #define WORD_MACHINE */
        !            44: 
        !            45: /* Define how to take a char and sign-extend into an int.
        !            46:    On machines where char is signed, this is a no-op.  */
        !            47: 
        !            48: #define SIGN_EXTEND_CHAR(c) (c)
        !            49: 
        !            50: /* Now define a symbol for the cpu type, if your compiler
        !            51:    does not define it automatically:
        !            52:    Ones defined so far include vax, m68000, ns16000, pyramid,
        !            53:    orion, tahoe, APOLLO and many others */
        !            54: 
        !            55: #define INTEL386
        !            56: #define aix386
        !            57: #undef  SYSTEM_TYPE
        !            58: #define SYSTEM_TYPE "ibm-aix-386"
        !            59: 
        !            60: /* Use type int rather than a union, to represent Lisp_Object */
        !            61: 
        !            62: #define NO_UNION_TYPE
        !            63: 
        !            64: /* crt0.c, if it is used, should use the i386-bsd style of entry.
        !            65:    with no extra dummy args.  On USG and XENIX,
        !            66:    NO_REMAP says this isn't used. */
        !            67: 
        !            68: #define CRT0_DUMMIES bogus_fp,
        !            69: 
        !            70: /* crt0.c should define a symbol `start' and do .globl with a dot.  */
        !            71: 
        !            72: #define DOT_GLOBAL_START
        !            73: 
        !            74: /* USG systems do not actually support the load average,
        !            75: so disable it for them.  */
        !            76: 
        !            77: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            78:    Then the function dump-emacs will not be defined
        !            79:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            80: 
        !            81: /* #define CANNOT_DUMP */
        !            82: 
        !            83: /* Define VIRT_ADDR_VARIES if the virtual addresses of
        !            84:    pure and impure space as loaded can vary, and even their
        !            85:    relative order cannot be relied on.
        !            86: 
        !            87:    Otherwise Emacs assumes that text space precedes data space,
        !            88:    numerically.  */
        !            89: 
        !            90: /* #define VIRT_ADDR_VARIES */
        !            91: 
        !            92: /* Define addresses, macros, change some setup for dump */
        !            93: 
        !            94: #define NO_REMAP
        !            95: #undef static
        !            96:   /* Since NO_REMAP, problem with statics doesn't exist */
        !            97: 
        !            98: #define TEXT_START 0x00400000
        !            99: #define TEXT_END 0
        !           100: #define DATA_START 0x00800000
        !           101: #define DATA_END 0
        !           102: 
        !           103: /* The data segment in this machine always starts at address 0x00800000.
        !           104:    An address of data cannot be stored correctly in a Lisp object;
        !           105:    we always lose the high bits.  We must tell XPNTR to add them back.  */
        !           106: 
        !           107: #define DATA_SEG_BITS 0x00800000
        !           108: 
        !           109: #if 0 /* I refuse to promulgate a recommendation that would make
        !           110:          users unable to debug - RMS.  */
        !           111: /* delete the following line to foil optimization, enable debugging */
        !           112: #define C_DEBUG_SWITCH -O
        !           113: #endif
        !           114: 
        !           115: #define BSTRING
        !           116: #define HAVE_DUP2
        !           117: #define HAVE_GETTIMEOFDAY
        !           118: #define HAVE_SELECT
        !           119: #define HAVE_TIMEVAL
        !           120: #define HAVE_VFORK
        !           121: 
        !           122: /*
        !           123:  *     Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
        !           124:  *     library functions.  Almost, but not quite the same as
        !           125:  *     the 4.2 functions
        !           126:  */
        !           127: #define SYSV_SYSTEM_DIR
        !           128: #define HAVE_CLOSEDIR  /* This system, unlike ordinary SYSV, has closedir.  */
        !           129: 
        !           130: /*
        !           131:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !           132:  *      The 4.2 opendir, etc., library functions.
        !           133:  */
        !           134: #undef  NONSYSTEM_DIR_LIBRARY
        !           135: 
        !           136: /* But don't use utimes() -- it causes SIGSEGV!  Use utime() instead. */
        !           137: #define USE_UTIME
        !           138: 
        !           139: /* AIX defines FIONREAD, but it does not work.  */
        !           140: #define BROKEN_FIONREAD
        !           141: 
        !           142: /* Define C_ALLOCA if this machine does not support a true alloca
        !           143:    and the one written in C should be used instead.
        !           144:    Define HAVE_ALLOCA to say that the system provides a properly
        !           145:    working alloca function and it should be used.
        !           146:    Define neither one if an assembler-language alloca
        !           147:    in the file alloca.s should be used.  */
        !           148: 
        !           149: #ifdef __GNUC__
        !           150: #define HAVE_ALLOCA
        !           151: #define alloca(n) __builtin_alloca(n)
        !           152: #define LIBS_MACHINE /usr/local/lib/gcc-gnulib -lbsd -lrts
        !           153: #else
        !           154: #define C_ALLOCA
        !           155: #define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
        !           156: #define LIBS_MACHINE -lbsd -lrts
        !           157: #endif
        !           158: 
        !           159: #define OBJECTS_MACHINE hftctl.o
        !           160: #define LD_SWITCH_MACHINE -T0x00400000 -K -e start

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