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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
-