/* Definitions for Intel 386 running system V with gnu tools
   Except that that really seems to use i386gas.h.  So it's
   not clear what, if anything, this file is good for.
   Copyright (C) 1988 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC 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 CC 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 CC; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */


#include "i386.h"
/* Use the bsd assembler syntax.  */
/* we need to do this because gas is really a bsd style assembler,
 * and so doesn't work well this these att-isms:
 *
 *  ASM_OUTPUT_SKIP is .set .,.+N, which isn't implemented in gas
 *  ASM_OUTPUT_LOCAL is done with .set .,.+N, but that can't be
 *   used to define bss static space
 *
 * Next is the question of whether to uses underscores.  RMS didn't
 * like this idea at first, but since it is now obvious that we
 * need this separate tm file for use with gas, at least to get
 * dbx debugging info.  */

#include "bsd386.h"

/* these come from bsd386.h, but are specific to sequent */
#undef DBX_NO_XREFS
#undef DBX_CONTIN_LENGTH

/* By default, target has a 80387.  */

#define TARGET_DEFAULT 1

#if 0 /* These aren't right for GNU ld.  */
/* Use crt1.o as a startup file and crtn.o as a closing file.  */

#define STARTFILE_SPEC  \
  "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"

#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc crtn.o%s"
#endif

/* Specify predefined symbols in preprocessor.  */

#define CPP_PREDEFINES "-Dunix -Di386"

/* Allow #sccs in preprocessor.  */

#define SCCS_DIRECTIVE

/* Output #ident as a .ident.  */

#define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);

/* We do not want to output SDB debugging information.  */

#undef SDB_DEBUGGING_INFO

/* We want to output DBX debugging information.  */

#define DBX_DEBUGGING_INFO

/* Implicit library calls should use memcpy, not bcopy, etc.  */

#define TARGET_MEM_FUNCTIONS

/* Writing `int' for a bitfield forces int alignment for the structure.  */

#define PCC_BITFIELD_TYPE_MATTERS 1

#undef ASM_FILE_START
#define ASM_FILE_START(FILE) \
  fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);

/* This is how to output a reference to a user-level label named NAME.  */
#undef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(FILE,NAME)	\
  fprintf (FILE, "_%s", NAME)

#if 0  /* People say gas uses the log as the arg to .align.  */
/* When using gas, .align N aligns to an N-byte boundary.  */

#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(FILE,LOG)	\
     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
#endif

/* Align labels, etc. at 4-byte boundaries.  */

#undef ASM_OUTPUT_ALIGN_CODE
#define ASM_OUTPUT_ALIGN_CODE(FILE) \
     fprintf ((FILE), "\t.align 2,0x90\n");  /* Use log of 4 as arg.  */

/* Machines that use the AT&T assembler syntax
   also return floating point values in an FP register.  */
/* Define how to find the value returned by a function.
   VALTYPE is the data type of the value (as a tree).
   If the precise function being called is known, FUNC is its FUNCTION_DECL;
   otherwise, FUNC is 0.  */

#define VALUE_REGNO(MODE) \
  (((MODE)==SFmode || (MODE)==DFmode) ? FIRST_FLOAT_REG : 0)

/* 1 if N is a possible register number for a function value. */

#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)

#if 0 /* This symbol is expected to exist only on BSD,
	 and besides, it describes the host rather than the target.
	 It certainly does not belong here.  */
#ifndef MAXPATHLEN
#define MAXPATHLEN 1024
#endif
#endif
