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/* R2 AIX machine/system dependent defines
Copyright (C) 1988 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* The following three symbols give information on
the size of various data types. */
#define SHORTBITS 16 /* Number of bits in a short */
#define INTBITS 32 /* Number of bits in an int */
#define LONGBITS 32 /* Number of bits in a long */
/* Define BIG_ENDIAN iff lowest-numbered byte in a word
is the most significant byte. */
#define BIG_ENDIAN 4321
/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
* group of arguments and treat it as an array of the arguments. */
#define NO_ARG_ARRAY
/* Define how to take a char and sign-extend into an int.
On machines where char is signed, this is a no-op. */
#define SIGN_EXTEND_CHAR(c) ((((int) (c)) << 24) >> 24)
/* Now define a symbol for the cpu type, if your compiler
does not define it automatically. */
#define IBMR2AIX
/* Use type int rather than a union, to represent Lisp_Object */
/* This is desirable for most machines. */
#define NO_UNION_TYPE
/* Define CANNOT_DUMP on machines where unexec does not work.
Then the function dump-emacs will not be defined
and temacs will do (load "loadup") automatically unless told otherwise. */
/* #define CANNOT_DUMP */
#define UNEXEC unexaix.o
/* Define addresses, macros, change some setup for dump */
#define NO_REMAP
#define TEXT_START 0x10000000
#define TEXT_END 0
#define DATA_START 0x20000000
#define DATA_END 0
/* The data segment in this machine always starts at address 0x20000000.
An address of data cannot be stored correctly in a Lisp object;
we always lose the high bits. We must tell XPNTR to add them back. */
#define DATA_SEG_BITS 0x20000000
#ifdef CANNOT_DUMP
/* Define shared memory segment symbols */
#define PURE_SEG_BITS 0x30000000
/* Use shared memory. */
/* This is turned off because it does not always work. See etc/AIX.DUMP. */
/* #define HAVE_SHM */
#define SHMKEY 5305035 /* used for shared memory code segments */
#endif /* CANNOT_DUMP */
#define N_BADMAG(x) BADMAG(x)
#define N_TXTOFF(x) A_TEXTPOS(x)
#define N_SYMOFF(x) A_SYMPOS(x)
#define A_TEXT_OFFSET(HDR) sizeof(HDR)
/* #define ADJUST_EXEC_HEADER \
unexec_text_start += sizeof(hdr); \
unexec_data_start = ohdr.a_dbase
*/
#undef ADDR_CORRECT
#define ADDR_CORRECT(x) ((int)(x))
/* Define C_ALLOCA if this machine does not support a true alloca
and the one written in C should be used instead.
Define HAVE_ALLOCA to say that the system provides a properly
working alloca function and it should be used.
Define neither one if an assembler-language alloca
in the file alloca.s should be used. */
#define C_ALLOCA
#define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
/* Specify the font for X to use. */
#define X_DEFAULT_FONT "Rom14.500"
/* Here override various assumptions in ymakefile */
#define OBJECTS_MACHINE hftctl.o
/* C_SWITCH_MACHINE used to have -D_BSD, but chip@tct.com says no need. */
#define C_SWITCH_MACHINE
#define LIBS_MACHINE -lrts
#define START_FILES
#define HAVE_DUP2
#define HAVE_GETTIMEOFDAY
#define HAVE_SYSVIPC
#define HAVE_SETSID
#define HAVE_GETWD
/*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
#define BROKEN_FIONREAD
#define NO_SIOCTL_H
#undef LINKER
#define LINKER cc -Wl,-bnso,-bnodelcsect,-bI:/lib/syscalls.exp
/* The header files seem to be from X11R4, but the library is not.
So don don't use the r4 library features. */
#ifndef SPECIFY_X11R4
#define SPECIFY_X11R4 0
#endif
#ifdef __STDC__
#ifndef DONT_DEFINE_SIGNAL
/* Cast the function argument to avoid warnings. */
#define signal(sig, func) (signal (sig, (void (*) (int)) (func)))
#endif
#endif
#if 0 /* s-aix3-1.h seems to do this. */
/* Special way to find a pty. */
#define PTY_ITERATION for (i = 0; i < 4; ++i)
#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptc");
#define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));
#endif
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