1/* RTPC AIX machine/system dependent defines 2 Copyright (C) 1988, 1999, 2001, 2002, 2003, 2004, 3 2005, 2006, 2007 Free Software Foundation, Inc. 4 5This file is part of GNU Emacs. 6 7GNU Emacs is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GNU Emacs is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GNU Emacs; see the file COPYING. If not, write to 19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20Boston, MA 02110-1301, USA. */ 21 22 23/* The following line tells the configuration script what sort of 24 operating system this machine is likely to run. 25 USUAL-OPSYS="usg5-2-2" */ 26 27/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word 28 is the most significant byte. */ 29 30#define WORDS_BIG_ENDIAN 31 32/* Define NO_ARG_ARRAY if you cannot take the address of the first of a 33 * group of arguments and treat it as an array of the arguments. */ 34 35#define NO_ARG_ARRAY 36 37/* Now define a symbol for the cpu type, if your compiler 38 does not define it automatically. */ 39 40#ifndef IBMAIX 41#define IBMAIX 42#endif 43 44/* Use type int rather than a union, to represent Lisp_Object */ 45/* This is desirable for most machines. */ 46 47#define NO_UNION_TYPE 48 49/* No load average information appears in the AIX kernel. VRM has this 50 info, and if anyone desires they should fix fns.c to get it out of VRM */ 51 52/* Define CANNOT_DUMP on machines where unexec does not work. 53 Then the function dump-emacs will not be defined 54 and temacs will do (load "loadup") automatically unless told otherwise. */ 55 56/* #define CANNOT_DUMP */ 57 58/* Define addresses, macros, change some setup for dump */ 59 60#undef COFF 61#define NO_REMAP 62#undef static 63 /* Since NO_REMAP, problem with statics doesn't exist */ 64 65#define TEXT_START 0x10000000 66#define TEXT_END 0 67#define DATA_START 0x20000000 68#define DATA_END 0 69 70/* The data segment in this machine always starts at address 0x20000000. 71 An address of data cannot be stored correctly in a Lisp object; 72 we always lose the high bits. We must tell XPNTR to add them back. */ 73 74#define DATA_SEG_BITS 0x20000000 75 76#define N_BADMAG(x) BADMAG(x) 77#define N_TXTOFF(x) A_TEXTPOS(x) 78#define N_SYMOFF(x) A_SYMPOS(x) 79#define A_TEXT_OFFSET(HDR) sizeof(HDR) 80#define ADJUST_EXEC_HEADER \ 81 unexec_text_start += sizeof(hdr); \ 82 unexec_data_start = ohdr.a_dbase 83#undef ADDR_CORRECT 84#define ADDR_CORRECT(x) ((int)(x)) 85 86/* This is the offset of the executable's text, from the start of the file. */ 87 88#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr)) 89 90/* AIX has PTYs, so define here, along with macros needed to make them work. */ 91 92#define HAVE_PTYS 93#define PTY_ITERATION for (i=0; i<256; i++) 94#define PTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptc%d", i); 95 96#define PTY_TTY_NAME_SPRINTF \ 97{ /* Check that server side not already open */ \ 98 if ((ioctl (*ptyv, PTYSTATUS, 0) & 0xFFFF) != 0) \ 99 { \ 100 emacs_close (*ptyv); \ 101 continue; \ 102 } \ 103 /* And finally to be sure we can open it later */ \ 104 sprintf (ptyname, "/dev/pts%d", i); \ 105 signal (SIGHUP,SIG_IGN); \ 106} /* ignore hangup at process end */ 107 108/* TIOCNOTTY doesn't occur on AIX, but the rest 109 of the conditionalized code in process.c does 110 the right thing if we fake this out. */ 111#define TIOCNOTTY IOCTYPE 112 113/* AIX has IPC. It also has sockets, and either can be used for client/server. 114 I would suggest the client/server code be changed to use HAVE_SOCKETS rather 115 than BSD_SYSTEM as the conditional if sockets provide any advantages. */ 116 117#define HAVE_SYSVIPC 118 119/* AIX has sockets */ 120 121#define HAVE_SOCKETS 122/* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */ 123 124/* Specify the font for X to use. */ 125 126#define X_DEFAULT_FONT "Rom14.500" 127 128/* Here override various assumptions in ymakefile */ 129 130/* On AIX 2.2.1, use these definitions instead 131#define C_SWITCH_MACHINE -I/usr/include -Nn2000 132#define LIBS_MACHINE -lX -lrts 133*/ 134 135#define C_SWITCH_MACHINE -I/usr/include -I/usr/include/bsd -Nn2000 136#define LIBS_MACHINE -lXMenu -lX -lsock -lbsd -lrts 137 138#define OBJECTS_MACHINE hftctl.o 139#define START_FILES /lib/crt0.o 140/* -lXMenu, -lX must precede -lsock, -lbsd */ 141#define LD_SWITCH_MACHINE -n -T0x10000000 -K -e start 142 143#if 0 /* I refuse to promulgate a recommendation that would make 144 users unable to debug - RMS. */ 145/* delete the following line to foil optimization, enable debugging */ 146#define C_DEBUG_SWITCH -O 147#endif 148 149 150/* Setup to do some things BSD way - these won't work previous to AIX 2.1.2 */ 151 152#include </usr/include/bsd/BSDtoAIX.h> 153#define BSTRING 154 155/* AIX utimes allegedly causes SIGSEGV. */ 156#undef HAVE_UTIMES /* override configuration decision */ 157 158/* AIX defines FIONREAD, but it does not work. */ 159#define BROKEN_FIONREAD 160 161/* rocky@watson.ibm.com says this is needed. */ 162#define HAVE_FTIME 163 164/* arch-tag: eea85307-0ca9-4a9c-a4f6-89fad7591d28 165 (do not change this comment) */ 166