--- /dev/null Tue May 5 13:32:27 1998 +++ emacs-20.4/src/m/powerpc.h Tue Oct 12 13:10:27 1999 @@ -0,0 +1,84 @@ +/* machine description file for PowerPC. + Copyright (C) 1987 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 2, 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 line tells the configuration script what sort of + operating system this machine is likely to run. + USUAL-OPSYS="Solaris2.5.1 Windows/NT AIX 4.1.2" + +/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word + is the most significant byte. */ + +#define WORDS_BIG_ENDIAN + +/* 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 + +#if defined(__linux__) && (__GNUC__ - 0 == 2) && (__GNUC_MINOR__ >= 95) +/* gcc-2.95 on Linux/PPC changed the load address to 0x10000000 */ +#define DATA_SEG_BITS 0x10000000 +#endif + + +/* Say this machine is a PowerPC Refernce Platform */ + +#ifndef prep +#define prep +#endif + +/* This level of optimization is reported to work. */ +# define C_OPTIMIZE_SWITCH -O2 + +/* Use type int rather than a union, to represent Lisp_Object */ + +#define NO_UNION_TYPE + +/* XINT must explicitly sign-extend */ + +#define EXPLICIT_SIGN_EXTEND + +/* Data type of load average, as read out of kmem. */ + +#define LOAD_AVE_TYPE long + +/* Convert that into an integer that is 100 for a load average of 1.0 */ + +#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) + +/* 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 HAVE_ALLOCA +#ifndef NOT_C_CODE +#if __GNUC__ < 2 /* Modern versions of GCC handle alloca directly. */ +#include <alloca.h> +#endif +#endif + +/* Control a conditional in unexelf.c. */ +#define SOLARIS_POWERPC + +/* Avoid .sbss, which causes undump to fail for some reason. */ +#define LD_SWITCH_MACHINE -G0 +