1 /* machine description file for Power PC
2 Copyright (C) 1987, 1994 Free Software Foundation, Inc.
3 Copyright (C) 1995 Board of Trustees, University of Illinois
5 This file is part of XEmacs.
7 XEmacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 XEmacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with XEmacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* The following line tells the configuration script what sort of
23 operating system this machine is likely to run.
24 USUAL-OPSYS="solaris2-5" */
35 # define C_OPTIMIZE_SWITCH "-O"
39 # define C_OPTIMIZE_SWITCH "-O4 -Oi"
41 /* This level of optimization is reported to work. */
42 # define C_OPTIMIZE_SWITCH "-O2"
46 /* XINT must explicitly sign-extend */
48 #define EXPLICIT_SIGN_EXTEND
51 /* Data type of load average, as read out of kmem. */
53 #define LOAD_AVE_TYPE long
55 /* Convert that into an integer that is 100 for a load average of 1.0 */
57 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
60 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
61 * group of arguments and treat it as an array of the arguments. */
65 /* Define addresses, macros, change some setup for dump */
70 #define TEXT_START 0x00001000
72 #define DATA_START 0x01000000
75 /* The data segment in this machine always starts at address 0x10000000.
76 An address of data cannot be stored correctly in a Lisp object;
77 we always lose the high bits. We must tell XPNTR to add them back. */
79 #define DATA_SEG_BITS 0x10000000
82 /* Use type int rather than a union, to represent Lisp_Object */
84 /* #define NO_UNION_TYPE */
87 /* Define shared memory segment symbols */
89 #define PURE_SEG_BITS 0x30000000
91 /* Use shared memory. */
92 /* This is turned off because it does not always work. See etc/AIX.DUMP. */
93 /* #define HAVE_SHM */
94 #define SHMKEY 5305035 /* used for shared memory code segments */
95 #endif /* CANNOT_DUMP */
97 #define N_BADMAG(x) BADMAG(x)
98 #define N_TXTOFF(x) A_TEXTPOS(x)
99 #define N_SYMOFF(x) A_SYMPOS(x)
100 /* #define A_TEXT_OFFSET(HDR) sizeof(HDR) */
101 /* #define ADJUST_EXEC_HEADER \
102 unexec_text_start += sizeof(hdr); \
103 unexec_data_start = ohdr.a_dbase
106 #define ADDR_CORRECT(x) ((int)(x))
108 /* Define C_ALLOCA if this machine does not support a true alloca
109 and the one written in C should be used instead.
110 Define HAVE_ALLOCA to say that the system provides a properly
111 working alloca function and it should be used.
112 Define neither one if an assembler-language alloca
113 in the file alloca.s should be used. */
117 /* Specify the font for X to use.
118 This used to be Rom14.500; that's nice on the X server shipped with
119 the RS/6000, but it's not available on other servers. */
120 #define X_DEFAULT_FONT "fixed"
122 /* Here override various assumptions in ymakefile */
124 /* #undef START_FILES */
125 /* #define HAVE_SYSVIPC */
126 /* #define HAVE_GETWD */
128 /* Don't try to include sioctl.h or ptem.h. */
132 #define ORDINARY_LINK
133 /*#define LD_SWITCH_MACHINE -T ${srcdir}/src/ppc.ldscript*/