1 /* RTPC AIX machine/system dependent defines
2 Copyright (C) 1988 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
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 2, or (at your option)
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.
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Synched up with: FSF 19.31. */
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" */
27 /* Now define a symbol for the cpu type, if your compiler
28 does not define it automatically. */
34 /* No load average information appears in the AIX kernel. VRM has this
35 info, and if anyone desires they should fix fns.c to get it out of VRM */
37 /* Define CANNOT_DUMP on machines where unexec does not work.
38 Then the function dump-emacs will not be defined
39 and temacs will do (load "loadup") automatically unless told otherwise. */
41 /* #define CANNOT_DUMP */
43 /* Define addresses, macros, change some setup for dump */
48 #define TEXT_START 0x10000000
50 #define DATA_START 0x20000000
53 #define N_BADMAG(x) BADMAG(x)
54 #define N_TXTOFF(x) A_TEXTPOS(x)
55 #define N_SYMOFF(x) A_SYMPOS(x)
56 #define A_TEXT_OFFSET(HDR) sizeof(HDR)
57 #define ADJUST_EXEC_HEADER \
58 unexec_text_start += sizeof(hdr); \
59 unexec_data_start = ohdr.a_dbase
61 #define ADDR_CORRECT(x) ((int)(x))
63 /* This is the offset of the executable's text, from the start of the file. */
65 #define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
67 /* Define C_ALLOCA if this machine does not support a true alloca
68 and the one written in C should be used instead.
69 Define HAVE_ALLOCA to say that the system provides a properly
70 working alloca function and it should be used.
71 Define neither one if an assembler-language alloca
72 in the file alloca.s should be used. */
75 #define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
77 /* AIX has PTYs, so define here, along with macros needed to make them work. */
80 #define PTY_ITERATION for (i=0; i<256; i++)
81 #define PTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptc%d", i);
83 #define PTY_TTY_NAME_SPRINTF \
84 { /* Check that server side not already open */ \
85 if ((ioctl (*ptyv, PTYSTATUS, 0) & 0xFFFF) != 0) \
90 /* And finally to be sure we can open it later */ \
91 sprintf (ptyname, "/dev/pts%d", i); \
92 signal (SIGHUP,SIG_IGN); \
93 } /* ignore hangup at process end */
95 /* TIOCNOTTY doesn't occur on AIX, but the rest
96 of the conditionalized code in process.c does
97 the right thing if we fake this out. */
98 #define TIOCNOTTY IOCTYPE
100 /* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */
102 /* Specify the font for X to use. */
104 #define X_DEFAULT_FONT "Rom14.500"
106 /* Here override various assumptions in ymakefile */
108 /* On AIX 2.2.1, use these definitions instead
109 #define C_SWITCH_MACHINE "-I/usr/include -Nn2000"
110 #define LIBS_MACHINE "-lX -lrts"
113 #define C_SWITCH_MACHINE "-I/usr/include -I/usr/include/bsd -Nn2000"
114 #define LIBS_MACHINE "-lXMenu -lX -lsock -lbsd -lrts"
116 #define OBJECTS_MACHINE "hftctl.o"
117 #define START_FILES "/lib/crt0.o"
118 /* -lXMenu, -lX must precede -lsock, -lbsd */
119 #define LD_SWITCH_MACHINE "-n -T0x10000000 -K -e start"
121 #if 0 /* I refuse to promulgate a recommendation that would make
122 users unable to debug - RMS. */
123 /* delete the following line to foil optimization, enable debugging */
124 #define C_DEBUG_SWITCH "-O"
128 /* Setup to do some things BSD way - these won't work previous to AIX 2.1.2 */
130 #include </usr/include/bsd/BSDtoAIX.h>
132 /* AIX utimes allegedly causes SIGSEGV. */
133 #undef HAVE_UTIMES /* override configuration decision */
135 /* rocky@watson.ibm.com says this is needed. */