/* Configuration file for an m68k OpenBSD target.   Copyright (C) 1999 Free Software Foundation, Inc.This file is part of GNU CC.GNU CC is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 2, or (at your option)any later version.GNU CC is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with GNU CC; see the file COPYING.  If not, write tothe Free Software Foundation, 59 Temple Place - Suite 330,Boston, MA 02111-1307, USA.  *//* m68k is an old configuration that does not yet use the TARGET_CPU_DEFAULT   framework.  */#define TARGET_DEFAULT (MASK_BITFIELD | MASK_68881 | MASK_68020)#include <m68k/m68k.h>/* Get generic OpenBSD definitions.  */#define OBSD_OLD_GAS#include <openbsd.h>/* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.   This will control the use of inline 68881 insns in certain macros.  */#undef CPP_SPEC#define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"/* Run-time target specifications */#define CPP_PREDEFINES "-D__unix__ -D__m68k__ -D__mc68000__ -D__mc68020__ -D__OpenBSD__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(m68k) -Amachine(m68k)"/* TODO: activate subtarget types when gas is updated.#define ASM_SPEC "%| %{m68030} %{m68040} %{m68060} %{fpic:-k} %{fPIC:-k -K}" *//* Layout of source language data types.  *//* This must agree with <machine/ansi.h> */#undef SIZE_TYPE#define SIZE_TYPE "unsigned int"#undef PTRDIFF_TYPE#define PTRDIFF_TYPE "int"#undef WCHAR_TYPE#define WCHAR_TYPE "int"#undef WCHAR_TYPE_SIZE#define WCHAR_TYPE_SIZE 32/* Storage layout.  *//* Every structure or union's size must be a multiple of 2 bytes.  */#define STRUCTURE_SIZE_BOUNDARY 16/* Specific options for DBX Output.  *//* This is BSD, so it wants DBX format.  */#define DBX_DEBUGGING_INFO/* Do not break .stabs pseudos into continuations.  */#define DBX_CONTIN_LENGTH 0/* This is the char to use for continuation (in case we need to turn   continuation back on).  */#define DBX_CONTIN_CHAR '?'/* Stack & calling: aggregate returns.  *//* Don't default to pcc-struct-return, because gcc is the only compiler, and   we want to retain compatibility with older gcc versions.  */#define DEFAULT_PCC_STRUCT_RETURN 0/* Assembler format: exception region output.  *//* All configurations that don't use elf must be explicit about not using   dwarf unwind information. egcs doesn't try too hard to check internal   configuration files...  */#define DWARF2_UNWIND_INFO 0/* TODO: ASM_OUTPUT_MI_THUNK is busted. I need to figure out    what bra func@PLTPC means under linux, and find the corresponding    construction for our gas/pic setup.  */#if 0/* Taken from linux.h. Processor dependent optimized code to handle C++   multiple inheritance vtable lookup.  *//* Output code to add DELTA to the first argument, and then jump to FUNCTION.   Used for C++ multiple inheritance.  */#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION)	\do {									\  if (DELTA > 0 && DELTA <= 8)						\    asm_fprintf (FILE, "\taddq.l %I%d,4(%Rsp)\n", DELTA);		\  else if (DELTA < 0 && DELTA >= -8)					\    asm_fprintf (FILE, "\tsubq.l %I%d,4(%Rsp)\n", -DELTA);		\  else									\    asm_fprintf (FILE, "\tadd.l %I%d,4(%Rsp)\n", DELTA);		\									\  if (flag_pic)								\    {									\      fprintf (FILE, "\tbra.l ");					\      assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0));	\      fprintf (FILE, "@PLTPC\n");					\    }									\  else									\    {									\      fprintf (FILE, "\tjmp ");						\      assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0));	\      fprintf (FILE, "\n");						\    }									\} while (0)#endif