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Annotation of GNUtools/emacs/src/m-ibmrs6000.h, revision 1.1

1.1     ! root        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 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: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
        !            31:    is the most significant byte.  */
        !            32: 
        !            33: #define BIG_ENDIAN 4321
        !            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 how to take a char and sign-extend into an int.
        !            41:    On machines where char is signed, this is a no-op.  */
        !            42: 
        !            43: #define SIGN_EXTEND_CHAR(c) ((((int) (c)) << 24) >> 24)
        !            44: 
        !            45: /* Now define a symbol for the cpu type, if your compiler
        !            46:    does not define it automatically.  */
        !            47: 
        !            48: #define IBMR2AIX
        !            49: 
        !            50: /* Use type int rather than a union, to represent Lisp_Object */
        !            51: /* This is desirable for most machines.         */
        !            52: 
        !            53: #define NO_UNION_TYPE
        !            54: 
        !            55: /* Define CANNOT_DUMP on machines where unexec does not work.
        !            56:    Then the function dump-emacs will not be defined
        !            57:    and temacs will do (load "loadup") automatically unless told otherwise.  */
        !            58: /* #define CANNOT_DUMP */
        !            59: 
        !            60: #define UNEXEC unexaix.o
        !            61: 
        !            62: /* Define addresses, macros, change some setup for dump */
        !            63: 
        !            64: #define NO_REMAP
        !            65: 
        !            66: #define TEXT_START 0x10000000
        !            67: #define TEXT_END 0
        !            68: #define DATA_START 0x20000000
        !            69: #define DATA_END 0
        !            70: 
        !            71: /* The data segment in this machine always starts at address 0x20000000.
        !            72:    An address of data cannot be stored correctly in a Lisp object;
        !            73:    we always lose the high bits.  We must tell XPNTR to add them back. */
        !            74: 
        !            75: #define DATA_SEG_BITS 0x20000000
        !            76: 
        !            77: #ifdef CANNOT_DUMP
        !            78: /* Define shared memory segment symbols */
        !            79: 
        !            80: #define PURE_SEG_BITS 0x30000000
        !            81: 
        !            82: /* Use shared memory.  */
        !            83: /* This is turned off because it does not always work. See etc/AIX.DUMP.  */
        !            84: /* #define HAVE_SHM */
        !            85: #define SHMKEY 5305035         /* used for shared memory code segments */
        !            86: #endif /* CANNOT_DUMP */
        !            87: 
        !            88: #define N_BADMAG(x) BADMAG(x)
        !            89: #define N_TXTOFF(x) A_TEXTPOS(x)
        !            90: #define N_SYMOFF(x) A_SYMPOS(x)
        !            91: #define A_TEXT_OFFSET(HDR) sizeof(HDR)
        !            92: /* #define ADJUST_EXEC_HEADER \
        !            93:     unexec_text_start += sizeof(hdr); \
        !            94:     unexec_data_start = ohdr.a_dbase
        !            95: */
        !            96: #undef ADDR_CORRECT
        !            97: #define ADDR_CORRECT(x) ((int)(x))
        !            98: 
        !            99: /* Define C_ALLOCA if this machine does not support a true alloca
        !           100:    and the one written in C should be used instead.
        !           101:    Define HAVE_ALLOCA to say that the system provides a properly
        !           102:    working alloca function and it should be used.
        !           103:    Define neither one if an assembler-language alloca
        !           104:    in the file alloca.s should be used.         */
        !           105: 
        !           106: #define C_ALLOCA
        !           107: #define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
        !           108: 
        !           109: /* Specify the font for X to use.  */
        !           110: 
        !           111: #define X_DEFAULT_FONT "Rom14.500"
        !           112: 
        !           113: /* Here override various assumptions in ymakefile */
        !           114: 
        !           115: #define OBJECTS_MACHINE hftctl.o
        !           116: /* C_SWITCH_MACHINE used to have -D_BSD, but [email protected] says no need.  */
        !           117: #define C_SWITCH_MACHINE
        !           118: #define LIBS_MACHINE -lrts
        !           119: #define START_FILES
        !           120: #define HAVE_DUP2
        !           121: #define HAVE_GETTIMEOFDAY
        !           122: #define HAVE_SYSVIPC
        !           123: #define HAVE_SETSID
        !           124: #define HAVE_GETWD
        !           125: /*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
        !           126: #define BROKEN_FIONREAD
        !           127: #define NO_SIOCTL_H
        !           128: 
        !           129: #undef LINKER
        !           130: #define LINKER cc -Wl,-bnso,-bnodelcsect,-bI:/lib/syscalls.exp
        !           131: 
        !           132: /* The header files seem to be from X11R4, but the library is not.
        !           133:    So don don't use the r4 library features.  */
        !           134: 
        !           135: #ifndef SPECIFY_X11R4
        !           136: #define SPECIFY_X11R4 0
        !           137: #endif
        !           138: 
        !           139: #ifdef __STDC__
        !           140: #ifndef DONT_DEFINE_SIGNAL
        !           141: /* Cast the function argument to avoid warnings.  */
        !           142: #define signal(sig, func) (signal (sig, (void (*) (int)) (func)))
        !           143: #endif
        !           144: #endif
        !           145: 
        !           146: #if 0 /* s-aix3-1.h seems to do this.  */
        !           147: /* Special way to find a pty.  */
        !           148: #define PTY_ITERATION        for (i = 0; i < 4; ++i)
        !           149: #define PTY_NAME_SPRINTF     strcpy (pty_name, "/dev/ptc");
        !           150: #define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));
        !           151: #endif

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