[gcc.git] / gcc / config / ns32k / netbsd.h

/* Configuration for a ns32532 running NetBSD as the target machine.
   Copyright (C) 1988, 1994, 1995, 1996, 1998, 2002
   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.  */


#define TARGET_OS_CPP_BUILTINS()			\
  do							\
    {							\
      NETBSD_OS_CPP_BUILTINS_AOUT();			\
      builtin_define ("__ns32k__");			\
    }							\
  while (0)

/* Compile for the floating point unit & 32532 by default;
   Don't assume SB is zero;
   Don't use bitfield instructions;
   FPU is 32381;
   Use multiply-add instructions */

#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
  (MASK_32532 | MASK_NO_SB | MASK_NO_BITFIELD | \
   MASK_32381 | MASK_IEEE_COMPARE | MASK_MULT_ADD)

/* 32-bit alignment for efficiency */

#undef POINTER_BOUNDARY
#define POINTER_BOUNDARY 32

/* 32-bit alignment for efficiency */

#undef FUNCTION_BOUNDARY
#define FUNCTION_BOUNDARY 32

/* 32532 spec says it can handle any alignment.  Rumor from tm-ns32k.h
   tells this might not be actually true (but it's for 32032, perhaps
   National has fixed the bug for 32532).  You might have to change this
   if the bug still exists. */

#undef STRICT_ALIGNMENT
#define STRICT_ALIGNMENT 0

/* Use pc relative addressing whenever possible,
   it's more efficient than absolute (ns32k.c)
   You have to fix a bug in gas 1.38.1 to make this work with gas,
   patch available from jkp@cs.hut.fi.
   (NetBSD's gas version has this patch already applied) */

#define PC_RELATIVE

/* Operand of bsr or jsr should be just the address.  */

#define CALL_MEMREF_IMPLICIT

/* movd insns may have floating point constant operands.  */

#define MOVD_FLOAT_OK

/* Define a CPP_SPEC appropriate for NetBSD.  */

#undef CPP_SPEC
#define CPP_SPEC NETBSD_CPP_SPEC

/* Make gcc agree with <machine/ansi.h> */

#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"

#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"

/* This is BSD, so it wants DBX format.  */

#define DBX_DEBUGGING_INFO 1

/* 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 '?'

/* Don't default to pcc-struct-return, because gcc is the only compiler, and
   we want to retain compatibility with older gcc versions.  */

#undef PCC_STATIC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0

/* Until they use ELF or something that handles dwarf2 unwinds
   and initialization stuff better.  */
#define DWARF2_UNWIND_INFO 0
Commit	Line	Data
2f7a07c2	1	/* Configuration for a ns32532 running NetBSD as the target machine.
a782515b JT	2	Copyright (C) 1988, 1994, 1995, 1996, 1998, 2002
a782515b JT	3	Free Software Foundation, Inc.
2f7a07c2 MM	4
	5	This file is part of GNU CC.
	6
	7	GNU CC 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 2, or (at your option)
	10	any later version.
	11
	12	GNU CC 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 CC; see the file COPYING. If not, write to
0e29e3c9	19	the Free Software Foundation, 59 Temple Place - Suite 330,
c8eb9785	20	Boston, MA 02111-1307, USA. */
2f7a07c2	21
a782515b JT	22
	23	#define TARGET_OS_CPP_BUILTINS() \
	24	do \
	25	{ \
	26	NETBSD_OS_CPP_BUILTINS_AOUT(); \
	27	builtin_define ("__ns32k__"); \
	28	} \
	29	while (0)
	30
2f7a07c2 MM	31	/* Compile for the floating point unit & 32532 by default;
2f7a07c2 MM	32	Don't assume SB is zero;
83575957	33	Don't use bitfield instructions;
4c54e4e4 ID	34	FPU is 32381;
4c54e4e4 ID	35	Use multiply-add instructions */
2f7a07c2	36
5d7c2819	37	#undef TARGET_DEFAULT
2eb2901a	38	#define TARGET_DEFAULT \
5d7c2819 ID	39	(MASK_32532 \| MASK_NO_SB \| MASK_NO_BITFIELD \| \
5d7c2819 ID	40	MASK_32381 \| MASK_IEEE_COMPARE \| MASK_MULT_ADD)
2f7a07c2 MM	41
	42	/* 32-bit alignment for efficiency */
	43
	44	#undef POINTER_BOUNDARY
	45	#define POINTER_BOUNDARY 32
	46
	47	/* 32-bit alignment for efficiency */
	48
	49	#undef FUNCTION_BOUNDARY
	50	#define FUNCTION_BOUNDARY 32
	51
	52	/* 32532 spec says it can handle any alignment. Rumor from tm-ns32k.h
	53	tells this might not be actually true (but it's for 32032, perhaps
	54	National has fixed the bug for 32532). You might have to change this
	55	if the bug still exists. */
	56
	57	#undef STRICT_ALIGNMENT
	58	#define STRICT_ALIGNMENT 0
	59
	60	/* Use pc relative addressing whenever possible,
	61	it's more efficient than absolute (ns32k.c)
	62	You have to fix a bug in gas 1.38.1 to make this work with gas,
	63	patch available from jkp@cs.hut.fi.
	64	(NetBSD's gas version has this patch already applied) */
	65
	66	#define PC_RELATIVE
	67
	68	/* Operand of bsr or jsr should be just the address. */
	69
	70	#define CALL_MEMREF_IMPLICIT
	71
	72	/* movd insns may have floating point constant operands. */
	73
	74	#define MOVD_FLOAT_OK
	75
a782515b	76	/* Define a CPP_SPEC appropriate for NetBSD. */
2f7a07c2	77
f979570e	78	#undef CPP_SPEC
a782515b	79	#define CPP_SPEC NETBSD_CPP_SPEC
f979570e	80
2f7a07c2 MM	81	/* Make gcc agree with <machine/ansi.h> */
	82
	83	#undef SIZE_TYPE
	84	#define SIZE_TYPE "unsigned int"
	85
	86	#undef PTRDIFF_TYPE
	87	#define PTRDIFF_TYPE "int"
	88
2f7a07c2 MM	89	/* This is BSD, so it wants DBX format. */
2f7a07c2 MM	90
23532de9	91	#define DBX_DEBUGGING_INFO 1
2f7a07c2 MM	92
	93	/* Do not break .stabs pseudos into continuations. */
	94
	95	#define DBX_CONTIN_LENGTH 0
	96
	97	/* This is the char to use for continuation (in case we need to turn
	98	continuation back on). */
	99
	100	#define DBX_CONTIN_CHAR '?'
	101
2f7a07c2 MM	102	/* Don't default to pcc-struct-return, because gcc is the only compiler, and
	103	we want to retain compatibility with older gcc versions. */
	104
	105	#undef PCC_STATIC_STRUCT_RETURN
	106	#define DEFAULT_PCC_STRUCT_RETURN 0
e4c4f8df JL	107
	108	/* Until they use ELF or something that handles dwarf2 unwinds
	109	and initialization stuff better. */
47a0e5a8	110	#define DWARF2_UNWIND_INFO 0