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Annotation of gcc/config/ns32k/netbsd.h, revision 1.1.1.2

1.1       root        1: /* Configuration for a ns32532 running NetBSD as the target machine.
1.1.1.2 ! root        2:    Copyright (C) 1988, 1994, 1995 Free Software Foundation, Inc.
1.1       root        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
1.1.1.2 ! root       18: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            19: Boston, MA 02111-1307, USA.
1.1       root       20: 
                     21: */
                     22: 
1.1.1.2 ! root       23: #include <ns32k/ns32k.h>
1.1       root       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: 
1.1.1.2 ! root       29: #define TARGET_DEFAULT (1 + 24 + 32 + 64)
1.1       root       30: 
                     31: /* 32-bit alignment for efficiency */
                     32: 
                     33: #undef POINTER_BOUNDARY
                     34: #define POINTER_BOUNDARY 32
                     35: 
                     36: /* 32-bit alignment for efficiency */
                     37: 
                     38: #undef FUNCTION_BOUNDARY
                     39: #define FUNCTION_BOUNDARY 32
                     40: 
                     41: /* 32532 spec says it can handle any alignment.  Rumor from tm-ns32k.h
                     42:    tells this might not be actually true (but it's for 32032, perhaps
                     43:    National has fixed the bug for 32532).  You might have to change this
                     44:    if the bug still exists. */
                     45: 
                     46: #undef STRICT_ALIGNMENT
                     47: #define STRICT_ALIGNMENT 0
                     48: 
                     49: /* Use pc relative addressing whenever possible,
                     50:    it's more efficient than absolute (ns32k.c)
                     51:    You have to fix a bug in gas 1.38.1 to make this work with gas,
                     52:    patch available from [email protected].
                     53:    (NetBSD's gas version has this patch already applied) */
                     54: 
                     55: #define PC_RELATIVE
                     56: 
                     57: /* Operand of bsr or jsr should be just the address.  */
                     58: 
                     59: #define CALL_MEMREF_IMPLICIT
                     60: 
                     61: /* movd insns may have floating point constant operands.  */
                     62: 
                     63: #define MOVD_FLOAT_OK
                     64: 
1.1.1.2 ! root       65: /* Get generic NetBSD definitions. */
        !            66: #include <netbsd.h>
        !            67: 
1.1       root       68: /* Names to predefine in the preprocessor for this target machine.  */
                     69: 
                     70: #undef CPP_PREDEFINES
1.1.1.2 ! root       71: #define CPP_PREDEFINES "-Dunix -Dns32k -Dns32000 -Dns32532 -D__NetBSD__ -Dpc532 -D__ns32k__ -Asystem(unix) -Asystem(NetBSD) -Acpu(ns32k) -Amachine(ns32k)"
1.1       root       72: 
                     73: /* Make gcc agree with <machine/ansi.h> */
                     74: 
                     75: #undef SIZE_TYPE
                     76: #define SIZE_TYPE "unsigned int"
                     77: 
                     78: #undef PTRDIFF_TYPE
                     79: #define PTRDIFF_TYPE "int"
                     80: 
                     81: #undef WCHAR_TYPE
                     82: #define WCHAR_TYPE     "int"
                     83: 
1.1.1.2 ! root       84: #undef WCHAR_UNSIGNED
1.1       root       85: #define WCHAR_UNSIGNED 0
                     86: 
                     87: #undef WCHAR_TYPE_SIZE
                     88: #define WCHAR_TYPE_SIZE        32
                     89: 
                     90: /* This is BSD, so it wants DBX format.  */
                     91: 
                     92: #define DBX_DEBUGGING_INFO
                     93: 
                     94: /* Do not break .stabs pseudos into continuations.  */
                     95: 
                     96: #define DBX_CONTIN_LENGTH 0
                     97: 
                     98: /* This is the char to use for continuation (in case we need to turn
                     99:    continuation back on).  */
                    100: 
                    101: #define DBX_CONTIN_CHAR '?'
                    102: 
                    103: /* Don't use the `xsfoo;' construct in DBX output; this system
                    104:    doesn't support it.  */
                    105: 
                    106: #define DBX_NO_XREFS
                    107: 
                    108: /* Don't default to pcc-struct-return, because gcc is the only compiler, and
                    109:    we want to retain compatibility with older gcc versions.  */
                    110: 
                    111: #undef PCC_STATIC_STRUCT_RETURN
                    112: #define DEFAULT_PCC_STRUCT_RETURN 0

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