gcc/config/ns32k/netbsd.h

   1 /* Configuration for a ns32532 running NetBSD as the target machine.
   2    Copyright (C) 1988, 1994, 1995, 1996, 1998 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
  23 #include <ns32k/ns32k.h>
  24
  25 /* Compile for the floating point unit & 32532 by default;
  26    Don't assume SB is zero;
  27    Don't use bitfield instructions;
  28    FPU is 32381;
  29    Use multiply-add instructions */
  30
  31 #define TARGET_DEFAULT (1 + 24 + 32 + 64 + 256 + 512)
  32
  33 /* 32-bit alignment for efficiency */
  34
  35 #undef POINTER_BOUNDARY
  36 #define POINTER_BOUNDARY 32
  37
  38 /* 32-bit alignment for efficiency */
  39
  40 #undef FUNCTION_BOUNDARY
  41 #define FUNCTION_BOUNDARY 32
  42
  43 /* 32532 spec says it can handle any alignment.  Rumor from tm-ns32k.h
  44    tells this might not be actually true (but it's for 32032, perhaps
  45    National has fixed the bug for 32532).  You might have to change this
  46    if the bug still exists. */
  47
  48 #undef STRICT_ALIGNMENT
  49 #define STRICT_ALIGNMENT 0
  50
  51 /* Use pc relative addressing whenever possible,
  52    it's more efficient than absolute (ns32k.c)
  53    You have to fix a bug in gas 1.38.1 to make this work with gas,
  54    patch available from jkp@cs.hut.fi.
  55    (NetBSD's gas version has this patch already applied) */
  56
  57 #define PC_RELATIVE
  58
  59 /* Operand of bsr or jsr should be just the address.  */
  60
  61 #define CALL_MEMREF_IMPLICIT
  62
  63 /* movd insns may have floating point constant operands.  */
  64
  65 #define MOVD_FLOAT_OK
  66
  67 /* Get generic NetBSD definitions. */
  68 #include <netbsd.h>
  69 #include <netbsd-aout.h>
  70
  71 /* Names to predefine in the preprocessor for this target machine.  */
  72
  73 #undef CPP_PREDEFINES
  74 #define CPP_PREDEFINES "-Dns32k -Dns32000 -Dns32532 -D__NetBSD__ -Dpc532 -D__ns32k__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=NetBSD -Acpu=ns32k -Amachine=ns32k"
  75
  76 /* Make gcc agree with <machine/ansi.h> */
  77
  78 #undef SIZE_TYPE
  79 #define SIZE_TYPE "unsigned int"
  80
  81 #undef PTRDIFF_TYPE
  82 #define PTRDIFF_TYPE "int"
  83
  84 /* This is BSD, so it wants DBX format.  */
  85
  86 #define DBX_DEBUGGING_INFO
  87
  88 /* Do not break .stabs pseudos into continuations.  */
  89
  90 #define DBX_CONTIN_LENGTH 0
  91
  92 /* This is the char to use for continuation (in case we need to turn
  93    continuation back on).  */
  94
  95 #define DBX_CONTIN_CHAR '?'
  96
  97 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
  98    we want to retain compatibility with older gcc versions.  */
  99
 100 #undef PCC_STATIC_STRUCT_RETURN
 101 #define DEFAULT_PCC_STRUCT_RETURN 0
 102
 103 /* Until they use ELF or something that handles dwarf2 unwinds
 104    and initialization stuff better.  */
 105 #define DWARF2_UNWIND_INFO 0