src/m/macppc.h

   1 /* machine description file For the powerpc Macintosh.
   2    Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   3                  2008, 2009, 2010, 2011  Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs 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 3 of the License, or
  10 (at your option) any later version.
  11
  12 GNU Emacs 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.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
  21    is the most significant byte.  */
  22
  23 #define WORDS_BIG_ENDIAN
  24
  25 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  26  * group of arguments and treat it as an array of the arguments.  */
  27
  28 #define NO_ARG_ARRAY
  29
  30 /* Data type of load average, as read out of kmem.  */
  31
  32 #define LOAD_AVE_TYPE long
  33
  34 /* Convert that into an integer that is 100 for a load average of 1.0  */
  35
  36 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  37
  38 #if (defined (__NetBSD__) || defined (__OpenBSD__)) && defined (__ELF__)
  39 #define HAVE_TEXT_START
  40 #endif
  41
  42 /* NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says this is needed
  43    For MkLinux/LinuxPPC.  */
  44
  45 #ifdef GNU_LINUX
  46 #define LINKER $(CC) -nostdlib
  47 /* s/gnu-linux.h defines this to `-z nocombreloc' which does not work here
  48    because prefix-args is not used.  */
  49 #undef LD_SWITCH_SYSTEM_TEMACS
  50 #define LD_SWITCH_MACHINE_TEMACS -Xlinker -znocombreloc
  51 #ifdef _ARCH_PPC64
  52 #undef START_FILES
  53 #define START_FILES pre-crt0.o /usr/lib64/crt1.o /usr/lib64/crti.o
  54 #undef LIB_STANDARD
  55 #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib64/crtn.o
  56 #endif
  57 #endif
  58
  59 #ifdef _ARCH_PPC64
  60 #ifndef _LP64
  61 #define _LP64
  62 #endif
  63 #endif
  64
  65 /* arch-tag: 41913e4e-e7d1-4023-aadb-210cc31712ed
  66    (do not change this comment) */