[thirdparty/gcc.git] / gcc / config / mips / xm-mips.h

/* Configuration for GNU C-compiler for MIPS Rx000 family
   Copyright (C) 1989, 1990, 1991, 1993, 1997 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, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */


/* #defines that need visibility everywhere.  */
#define FALSE 0
#define TRUE 1

/* This describes the machine the compiler is hosted on.  */
#define HOST_BITS_PER_CHAR 8
#define HOST_BITS_PER_SHORT 16
#define HOST_BITS_PER_INT 32
#define HOST_BITS_PER_LONG 32
#define HOST_BITS_PER_LONGLONG 64

#if !defined(MIPSEL) && !defined(__MIPSEL__)
#define HOST_WORDS_BIG_ENDIAN
#endif

/* Enable host-conditionals for MIPS machines.  */
#ifndef MIPS
#define MIPS 1
#endif

/* A code distinguishing the floating point format of the host
   machine.  There are three defined values: IEEE_FLOAT_FORMAT,
   VAX_FLOAT_FORMAT, and UNKNOWN_FLOAT_FORMAT.  */

#define HOST_FLOAT_FORMAT IEEE_FLOAT_FORMAT

/* target machine dependencies.
   tm.h is a symbolic link to the actual target specific file.   */
#include "tm.h"

/* Arguments to use with `exit'.  */
#define SUCCESS_EXIT_CODE 0
#define FATAL_EXIT_CODE 33

#ifndef __GNUC__
/* The MIPS compiler gets it wrong, and treats enumerated bitfields
   as signed quantities, making it impossible to use an 8-bit enum
   for compiling GNU C++.  */
#define ONLY_INT_FIELDS 1
#endif

#ifndef MIPS_OVERRIDE_ALLOCA
#ifndef __GNUC__
#define USE_C_ALLOCA

#ifdef __STDC__
extern void * alloca ();
#else
extern char * alloca ();
#endif

/* for the emacs version of alloca */
#define STACK_DIRECTION	-1
#endif
#endif /* not MIPS_OVERRIDE_ALLOCA */

/* Say if we have vprintf.  BSD Mips targets probably don't have vfprintf.  */
#if defined(__OSF1__) || defined(__OSF__) || defined(__osf__) || defined(bsd4_4)

#else
#define NO_STAB_H		/* mips doesn't typically have stab.h */
#endif
Commit	Line	Data
48f50d01	1	/* Configuration for GNU C-compiler for MIPS Rx000 family
956d6950	2	Copyright (C) 1989, 1990, 1991, 1993, 1997 Free Software Foundation, Inc.
48f50d01 MM	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
0e29e3c9 RK	18	the Free Software Foundation, 59 Temple Place - Suite 330,
0e29e3c9 RK	19	Boston, MA 02111-1307, USA. */
48f50d01 MM	20
	21
	22	/* #defines that need visibility everywhere. */
	23	#define FALSE 0
	24	#define TRUE 1
	25
	26	/* This describes the machine the compiler is hosted on. */
	27	#define HOST_BITS_PER_CHAR 8
	28	#define HOST_BITS_PER_SHORT 16
	29	#define HOST_BITS_PER_INT 32
	30	#define HOST_BITS_PER_LONG 32
	31	#define HOST_BITS_PER_LONGLONG 64
	32
	33	#if !defined(MIPSEL) && !defined(__MIPSEL__)
	34	#define HOST_WORDS_BIG_ENDIAN
	35	#endif
	36
	37	/* Enable host-conditionals for MIPS machines. */
	38	#ifndef MIPS
	39	#define MIPS 1
	40	#endif
	41
	42	/* A code distinguishing the floating point format of the host
	43	machine. There are three defined values: IEEE_FLOAT_FORMAT,
	44	VAX_FLOAT_FORMAT, and UNKNOWN_FLOAT_FORMAT. */
	45
	46	#define HOST_FLOAT_FORMAT IEEE_FLOAT_FORMAT
	47
	48	/* target machine dependencies.
	49	tm.h is a symbolic link to the actual target specific file. */
	50	#include "tm.h"
	51
	52	/* Arguments to use with `exit'. */
	53	#define SUCCESS_EXIT_CODE 0
	54	#define FATAL_EXIT_CODE 33
	55
	56	#ifndef __GNUC__
	57	/* The MIPS compiler gets it wrong, and treats enumerated bitfields
	58	as signed quantities, making it impossible to use an 8-bit enum
	59	for compiling GNU C++. */
	60	#define ONLY_INT_FIELDS 1
	61	#endif
	62
	63	#ifndef MIPS_OVERRIDE_ALLOCA
f62f398a	64	#ifndef __GNUC__
48f50d01	65	#define USE_C_ALLOCA
f62f398a	66
c52c47b4 JL	67	#ifdef __STDC__
	68	extern void * alloca ();
	69	#else
48f50d01	70	extern char * alloca ();
c52c47b4	71	#endif
48f50d01 MM	72
	73	/* for the emacs version of alloca */
	74	#define STACK_DIRECTION -1
	75	#endif
	76	#endif /* not MIPS_OVERRIDE_ALLOCA */
	77
	78	/* Say if we have vprintf. BSD Mips targets probably don't have vfprintf. */
0a1f8ce2	79	#if defined(__OSF1__) \|\| defined(__OSF__) \|\| defined(__osf__) \|\| defined(bsd4_4)
11051217 RS	80
	81	#else
	82	#define NO_STAB_H /* mips doesn't typically have stab.h */
48f50d01	83	#endif