1 /* Definitions of target machine for GNU compiler. Sun 68010 version. 2 Copyright (C) 1987, 1988, 1995 Free Software Foundation, Inc. 3 4 This file is part of GNU CC. 5 6 GNU CC 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) 9 any later version. 10 11 GNU CC 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. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU CC; see the file COPYING. If not, write to 18 the Free Software Foundation, 59 Temple Place - Suite 330, 19 Boston, MA 02111-1307, USA. */ 20 21 22 #include "m68k/m68k.h" 23 24 /* See m68k.h. 0 means 68000 with no 68881. */ 25 26 #define TARGET_DEFAULT 0 27 28 /* Don't try using XFmode. */ 29 #undef LONG_DOUBLE_TYPE_SIZE 30 #define LONG_DOUBLE_TYPE_SIZE 64 31 32 /* Define __HAVE_68881 in preprocessor only if -m68881 is specified. 33 This will control the use of inline 68881 insns in certain macros. 34 Also inform the program which CPU this is for. */ 35 36 #define CPP_SPEC "%{m68881:-D__HAVE_68881__} \ 37 %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}" 38 39 /* -m68020 requires special flags to the assembler. */ 40 41 #define ASM_SPEC \ 42 "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!m68020:-mc68010}} \ 43 %{fpic:-k} %{fPIC:-k} %{R} %{j} %{J} %{h} %{d2} %{keep-local-as-symbols:-L}" 44 45 /* Names to predefine in the preprocessor for this target machine. */ 46 47 #define CPP_PREDEFINES "-Dmc68000 -Dsun -Dunix -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k" 48 49 /* Prevent error on `-sun2' and `-target sun2' options. */ 50 51 #define CC1_SPEC "%{sun2:} %{target:}" 52 53 /* These compiler options take an argument. We ignore -target for now. */ 54 55 #define WORD_SWITCH_TAKES_ARG(STR) \ 56 (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \ 57 || !strcmp (STR, "target") || !strcmp (STR, "assert")) 58 59 /* Specify what to link with. */ 60 61 /* Link with libg.a when debugging, for dbx's sake. */ 62 /* Include the support for -a when appropriate. */ 63 #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \ 64 %{a:/usr/lib/bb_link.o -lc} " 65 66 /* Alignment of field after `int : 0' in a structure. */ 67 68 #undef EMPTY_FIELD_BOUNDARY 69 #define EMPTY_FIELD_BOUNDARY 16 70 71 /* Every structure or union's size must be a multiple of 2 bytes. */ 72 73 #define STRUCTURE_SIZE_BOUNDARY 16 74 75 /* This is BSD, so it wants DBX format. */ 76 77 #define DBX_DEBUGGING_INFO 1 78